本發(fa)明涉及高(gao)功(gong)率(lv)微波通道功(gong)率(lv)合(he)(he)成的，具體(ti)提供一(yi)種緊湊型高(gao)功(gong)率(lv)圓波導徑向功(gong)率(lv)分(fen)配/合(he)(he)成器(qi)(“/”表示兼具分(fen)配與合(he)(he)成功(gong)能)。

背景技術：

1、高功(gong)(gong)率(lv)(lv)(lv)(lv)(lv)(lv)微(wei)波(bo)(bo)(bo)(bo)(high-power-microwave，縮寫為(wei)hpm)通(tong)道功(gong)(gong)率(lv)(lv)(lv)(lv)(lv)(lv)合(he)(he)(he)成(cheng)(cheng)技(ji)術利用相(xiang)位調控和電(dian)磁場耦合(he)(he)(he)等手段，能(neng)夠在波(bo)(bo)(bo)(bo)導(dao)(dao)(dao)(dao)(dao)功(gong)(gong)率(lv)(lv)(lv)(lv)(lv)(lv)合(he)(he)(he)成(cheng)(cheng)器(qi)(qi)(qi)(qi)內部(bu)將多個獨(du)立的(de)(de)(de)hpm系(xi)統單元(yuan)產生的(de)(de)(de)微(wei)波(bo)(bo)(bo)(bo)信號(hao)進行相(xiang)干合(he)(he)(he)成(cheng)(cheng)，是(shi)實現(xian)微(wei)波(bo)(bo)(bo)(bo)功(gong)(gong)率(lv)(lv)(lv)(lv)(lv)(lv)達到吉(ji)瓦(gw)量(liang)級輸(shu)(shu)出的(de)(de)(de)關鍵技(ji)術途徑之(zhi)一(yi)(yi)(yi)。因此，研究具有(you)工(gong)作(zuo)頻帶(dai)寬、功(gong)(gong)率(lv)(lv)(lv)(lv)(lv)(lv)容量(liang)和合(he)(he)(he)成(cheng)(cheng)效率(lv)(lv)(lv)(lv)(lv)(lv)高的(de)(de)(de)波(bo)(bo)(bo)(bo)導(dao)(dao)(dao)(dao)(dao)功(gong)(gong)率(lv)(lv)(lv)(lv)(lv)(lv)分(fen)(fen)(fen)(fen)(fen)配(pei)/合(he)(he)(he)成(cheng)(cheng)器(qi)(qi)(qi)(qi)具有(you)重要(yao)(yao)(yao)意義。目前，hpm領域(yu)(yu)的(de)(de)(de)波(bo)(bo)(bo)(bo)導(dao)(dao)(dao)(dao)(dao)功(gong)(gong)率(lv)(lv)(lv)(lv)(lv)(lv)分(fen)(fen)(fen)(fen)(fen)配(pei)/合(he)(he)(he)成(cheng)(cheng)器(qi)(qi)(qi)(qi)主(zhu)(zhu)要(yao)(yao)(yao)分(fen)(fen)(fen)(fen)(fen)為(wei)兩大(da)類：一(yi)(yi)(yi)是(shi)基于(yu)(yu)矩形波(bo)(bo)(bo)(bo)導(dao)(dao)(dao)(dao)(dao)t型結構(gou)的(de)(de)(de)多級級聯(lian)功(gong)(gong)率(lv)(lv)(lv)(lv)(lv)(lv)分(fen)(fen)(fen)(fen)(fen)配(pei)/合(he)(he)(he)成(cheng)(cheng)器(qi)(qi)(qi)(qi)。二是(shi)結合(he)(he)(he)圓波(bo)(bo)(bo)(bo)導(dao)(dao)(dao)(dao)(dao)或同(tong)軸(zhou)波(bo)(bo)(bo)(bo)導(dao)(dao)(dao)(dao)(dao)的(de)(de)(de)角向(xiang)對(dui)稱(cheng)模(mo)(mo)(mo)(mo)(mo)式(shi)(shi)(shi)(shi)(shi)與(yu)波(bo)(bo)(bo)(bo)導(dao)(dao)(dao)(dao)(dao)側壁耦合(he)(he)(he)技(ji)術的(de)(de)(de)功(gong)(gong)率(lv)(lv)(lv)(lv)(lv)(lv)分(fen)(fen)(fen)(fen)(fen)配(pei)/合(he)(he)(he)成(cheng)(cheng)器(qi)(qi)(qi)(qi)。對(dui)于(yu)(yu)第(di)一(yi)(yi)(yi)類功(gong)(gong)率(lv)(lv)(lv)(lv)(lv)(lv)分(fen)(fen)(fen)(fen)(fen)配(pei)/合(he)(he)(he)成(cheng)(cheng)器(qi)(qi)(qi)(qi)，為(wei)了確(que)保其(qi)具有(you)良好的(de)(de)(de)傳(chuan)輸(shu)(shu)特(te)性(xing)(xing)，輸(shu)(shu)入(ru)波(bo)(bo)(bo)(bo)導(dao)(dao)(dao)(dao)(dao)通(tong)常采用主(zhu)(zhu)模(mo)(mo)(mo)(mo)(mo)(te10模(mo)(mo)(mo)(mo)(mo)式(shi)(shi)(shi)(shi)(shi))傳(chuan)輸(shu)(shu)的(de)(de)(de)標準(zhun)矩形波(bo)(bo)(bo)(bo)導(dao)(dao)(dao)(dao)(dao)，這限(xian)制(zhi)了其(qi)功(gong)(gong)率(lv)(lv)(lv)(lv)(lv)(lv)承載能(neng)力。對(dui)于(yu)(yu)第(di)二類功(gong)(gong)率(lv)(lv)(lv)(lv)(lv)(lv)分(fen)(fen)(fen)(fen)(fen)配(pei)/合(he)(he)(he)成(cheng)(cheng)器(qi)(qi)(qi)(qi)，根據工(gong)作(zuo)原(yuan)理和實現(xian)機(ji)制(zhi)的(de)(de)(de)區(qu)(qu)別，它(ta)們(men)又細分(fen)(fen)(fen)(fen)(fen)為(wei)基于(yu)(yu)圓波(bo)(bo)(bo)(bo)導(dao)(dao)(dao)(dao)(dao)tm01模(mo)(mo)(mo)(mo)(mo)式(shi)(shi)(shi)(shi)(shi)、同(tong)軸(zhou)tem模(mo)(mo)(mo)(mo)(mo)式(shi)(shi)(shi)(shi)(shi)以及圓波(bo)(bo)(bo)(bo)導(dao)(dao)(dao)(dao)(dao)te01模(mo)(mo)(mo)(mo)(mo)式(shi)(shi)(shi)(shi)(shi)的(de)(de)(de)功(gong)(gong)率(lv)(lv)(lv)(lv)(lv)(lv)分(fen)(fen)(fen)(fen)(fen)配(pei)/合(he)(he)(he)成(cheng)(cheng)器(qi)(qi)(qi)(qi)。其(qi)中(zhong)，圓波(bo)(bo)(bo)(bo)導(dao)(dao)(dao)(dao)(dao)tm01模(mo)(mo)(mo)(mo)(mo)式(shi)(shi)(shi)(shi)(shi)和同(tong)軸(zhou)tem模(mo)(mo)(mo)(mo)(mo)式(shi)(shi)(shi)(shi)(shi)的(de)(de)(de)電(dian)場分(fen)(fen)(fen)(fen)(fen)布比較(jiao)集中(zhong)。對(dui)于(yu)(yu)前者(zhe)，電(dian)場主(zhu)(zhu)要(yao)(yao)(yao)聚焦于(yu)(yu)圓波(bo)(bo)(bo)(bo)導(dao)(dao)(dao)(dao)(dao)的(de)(de)(de)中(zhong)心(xin)區(qu)(qu)域(yu)(yu)，而(er)對(dui)于(yu)(yu)后者(zhe)，電(dian)場主(zhu)(zhu)要(yao)(yao)(yao)集中(zhong)于(yu)(yu)同(tong)軸(zhou)線內導(dao)(dao)(dao)(dao)(dao)體周(zhou)圍。波(bo)(bo)(bo)(bo)導(dao)(dao)(dao)(dao)(dao)徑向(xiang)側壁耦合(he)(he)(he)對(dui)這兩種(zhong)電(dian)場擾動較(jiao)大(da)，易(yi)產生較(jiao)大(da)的(de)(de)(de)電(dian)場增強效應，從而(er)限(xian)制(zhi)功(gong)(gong)率(lv)(lv)(lv)(lv)(lv)(lv)分(fen)(fen)(fen)(fen)(fen)配(pei)/合(he)(he)(he)成(cheng)(cheng)器(qi)(qi)(qi)(qi)的(de)(de)(de)功(gong)(gong)率(lv)(lv)(lv)(lv)(lv)(lv)容量(liang)和工(gong)作(zuo)帶(dai)寬。相(xiang)比之(zhi)下，圓波(bo)(bo)(bo)(bo)導(dao)(dao)(dao)(dao)(dao)te01模(mo)(mo)(mo)(mo)(mo)式(shi)(shi)(shi)(shi)(shi)的(de)(de)(de)電(dian)場主(zhu)(zhu)要(yao)(yao)(yao)集中(zhong)于(yu)(yu)波(bo)(bo)(bo)(bo)導(dao)(dao)(dao)(dao)(dao)內的(de)(de)(de)環形區(qu)(qu)域(yu)(yu)，在邊緣(yuan)和中(zhong)心(xin)區(qu)(qu)域(yu)(yu)相(xiang)對(dui)較(jiao)低。同(tong)時(shi)，圓波(bo)(bo)(bo)(bo)導(dao)(dao)(dao)(dao)(dao)te01模(mo)(mo)(mo)(mo)(mo)式(shi)(shi)(shi)(shi)(shi)具有(you)高頻熱(re)損耗低的(de)(de)(de)特(te)性(xing)(xing)，這使得基于(yu)(yu)圓波(bo)(bo)(bo)(bo)導(dao)(dao)(dao)(dao)(dao)te01模(mo)(mo)(mo)(mo)(mo)式(shi)(shi)(shi)(shi)(shi)的(de)(de)(de)功(gong)(gong)率(lv)(lv)(lv)(lv)(lv)(lv)/分(fen)(fen)(fen)(fen)(fen)配(pei)合(he)(he)(he)成(cheng)(cheng)器(qi)(qi)(qi)(qi)成(cheng)(cheng)為(wei)hpm通(tong)道功(gong)(gong)率(lv)(lv)(lv)(lv)(lv)(lv)合(he)(he)(he)成(cheng)(cheng)領域(yu)(yu)備受矚目的(de)(de)(de)技(ji)術方案。

2、目前，西班牙馬(ma)德(de)里政治學(xue)院信息處(chu)理(li)與電信中心josér.montejo-garai等人提(ti)出了(le)(le)一種基(ji)于(yu)低過模(mo)(te02模(mo)式截止)圓(yuan)(yuan)波(bo)導te01模(mo)式的(de)(de)16路ku波(bo)段徑向(xiang)功(gong)(gong)率(lv)分配(pei)(pei)(pei)/合(he)成器(montejo-garai,josér,saracho-pantoja?io,ruiz-cruz?j?a,et?al.high-performance16-way?ku-band?radial?power?combiner?based?on?the?te01-circular?waveguide?mode[j].review?of?scientific?instruments,2018,89(3):034703)，他們基(ji)于(yu)同軸波(bo)導te01模(mo)式的(de)(de)旋轉對(dui)稱性，將(jiang)16個尺(chi)寸(cun)相(xiang)同的(de)(de)矩形(xing)波(bo)導沿同軸波(bo)導的(de)(de)徑向(xiang)均勻(yun)排布，以(yi)實現(xian)n(n＝16)路波(bo)導空間徑向(xiang)功(gong)(gong)率(lv)分配(pei)(pei)(pei)/合(he)成。為了(le)(le)提(ti)高(gao)傳(chuan)(chuan)輸效率(lv)，他們在圓(yuan)(yuan)波(bo)導的(de)(de)底部設計了(le)(le)二級(ji)圓(yuan)(yuan)柱(zhu)階(jie)(jie)梯阻抗匹配(pei)(pei)(pei)結構，使傳(chuan)(chuan)輸效率(lv)達到(dao)(dao)96.4％。然而，圓(yuan)(yuan)柱(zhu)型(xing)階(jie)(jie)梯阻抗匹配(pei)(pei)(pei)結構是一種突變結構，會影響(xiang)功(gong)(gong)率(lv)分配(pei)(pei)(pei)/合(he)成器的(de)(de)帶寬和功(gong)(gong)率(lv)容量，使其帶寬只(zhi)能達到(dao)(dao)16.7％，真空條件下(xia)功(gong)(gong)率(lv)容量只(zhi)能達到(dao)(dao)131mw。

3、華南理工(gong)大學(xue)褚慶昕(xin)等(deng)人(ren)提出的(de)(de)(de)(de)(de)一種基(ji)于(yu)低(di)過(guo)(guo)(guo)模(te02模式截(jie)止)圓(yuan)波(bo)導(dao)te01模式的(de)(de)(de)(de)(de)高隔(ge)(ge)(ge)離度徑向功(gong)率(lv)(lv)分(fen)配(pei)/合成(cheng)器(chu?q?x,mo?d?y,wu?q?s.an?isolated?radial?powerdivider?via?circular?waveguide?te01?mode?transducer[j].ieee?transactions?onmicrowave?theory?and?techniques,2015,63(12):3988-3996)，他們通過(guo)(guo)(guo)在矩(ju)形(xing)波(bo)導(dao)的(de)(de)(de)(de)(de)側壁耦合口(kou)引(yin)入(ru)電阻隔(ge)(ge)(ge)板改善了(le)功(gong)率(lv)(lv)分(fen)配(pei)/合成(cheng)器的(de)(de)(de)(de)(de)回波(bo)損耗，并增強了(le)各(ge)個輸(shu)(shu)出端(duan)口(kou)之(zhi)間的(de)(de)(de)(de)(de)隔(ge)(ge)(ge)離效果，實現了(le)20(n＝20)路的(de)(de)(de)(de)(de)徑向功(gong)率(lv)(lv)分(fen)配(pei)/合成(cheng)(工(gong)作帶寬達(da)到25％)。同時，為提高傳輸(shu)(shu)效率(lv)(lv)，設計中還將側壁耦合口(kou)與一個矩(ju)形(xing)過(guo)(guo)(guo)渡(du)波(bo)導(dao)相連，以實現平(ping)滑(hua)過(guo)(guo)(guo)渡(du)至(zhi)標準矩(ju)形(xing)波(bo)導(dao)輸(shu)(shu)出，使(shi)傳輸(shu)(shu)效率(lv)(lv)達(da)到86.1％。然而，由于(yu)電阻隔(ge)(ge)(ge)板材(cai)料的(de)(de)(de)(de)(de)擊穿電場(chang)限制，分(fen)配(pei)/合成(cheng)器的(de)(de)(de)(de)(de)功(gong)率(lv)(lv)容量難以達(da)到mw量級。此外，較(jiao)長(chang)的(de)(de)(de)(de)(de)矩(ju)形(xing)過(guo)(guo)(guo)渡(du)波(bo)導(dao)也增加了(le)整個分(fen)配(pei)/合成(cheng)器的(de)(de)(de)(de)(de)橫向尺(chi)寸(橫向尺(chi)寸超過(guo)(guo)(guo)4.1λmid，λmid為中心頻(pin)率(lv)(lv)對應(ying)的(de)(de)(de)(de)(de)波(bo)長(chang))，影響(xiang)其結構緊湊性。

4、為(wei)了(le)有效抑制矩形波(bo)(bo)導側壁耦合過(guo)程(cheng)中可能激發的(de)(de)高次模(mo)式，上述兩種功(gong)率(lv)分配/合成(cheng)器的(de)(de)輸(shu)入端均采用(yong)低過(guo)模(mo)圓波(bo)(bo)導(te02模(mo)式截止(zhi))，這意味著在工作(zuo)頻率(lv)范(fan)圍內，圓波(bo)(bo)導支持的(de)(de)傳輸(shu)模(mo)式總(zong)數(包括(kuo)所(suo)有簡并模(mo)式)通常不超(chao)(chao)過(guo)24個。相(xiang)(xiang)應地，圓波(bo)(bo)導的(de)(de)尺(chi)(chi)寸通常不能超(chao)(chao)過(guo)工作(zuo)波(bo)(bo)長的(de)(de)1.1倍。然(ran)而(er)，圓波(bo)(bo)導尺(chi)(chi)寸與(yu)其功(gong)率(lv)容量(liang)成(cheng)正相(xiang)(xiang)關。因此，輸(shu)入端圓波(bo)(bo)導的(de)(de)尺(chi)(chi)寸限(xian)制也是制約(yue)這兩種功(gong)率(lv)分配/合成(cheng)器無法達到gw量(liang)級功(gong)率(lv)容量(liang)的(de)(de)主要(yao)原因。

技術實現思路

1、本發明要解決的技術(shu)問題是，提(ti)供一(yi)種緊湊型高功(gong)率(lv)(lv)(lv)圓(yuan)波導徑向功(gong)率(lv)(lv)(lv)分配/合(he)成(cheng)(cheng)器，有(you)效解決現(xian)有(you)波導徑向功(gong)率(lv)(lv)(lv)分配/合(he)成(cheng)(cheng)器帶寬窄(zhai)、橫向尺寸(cun)大、且功(gong)率(lv)(lv)(lv)容(rong)量難以達到gw量級(ji)等問題，解除(chu)傳統功(gong)率(lv)(lv)(lv)分配/合(he)成(cheng)(cheng)器功(gong)率(lv)(lv)(lv)容(rong)量的受輸入圓(yuan)波導尺寸(cun)的限制。

2、本發(fa)明的技術方(fang)案是：

3、本發明(ming)緊湊型高功(gong)(gong)率(lv)(lv)圓波(bo)(bo)導徑(jing)向功(gong)(gong)率(lv)(lv)分(fen)(fen)配/合(he)成(cheng)(cheng)器由椎狀(zhuang)圓波(bo)(bo)導-同(tong)(tong)軸(zhou)波(bo)(bo)導過渡(du)結(jie)構、同(tong)(tong)軸(zhou)波(bo)(bo)導-圓周矩形(xing)波(bo)(bo)導陣列(lie)過渡(du)結(jie)構和圓周彎波(bo)(bo)導陣列(lie)三(san)部分(fen)(fen)順序同(tong)(tong)軸(zhou)相(xiang)連組(zu)成(cheng)(cheng)。這三(san)部分(fen)(fen)均采用金屬材(cai)料制成(cheng)(cheng)。整個(ge)功(gong)(gong)率(lv)(lv)分(fen)(fen)配/合(he)成(cheng)(cheng)器沿中軸(zhou)線(xian)(xian)呈(cheng)中心旋轉對稱布局，可以保證各矩形(xing)波(bo)(bo)導輸(shu)(shu)出端口(kou)的微波(bo)(bo)幅度和相(xiang)位的一致(zhi)性(xing)。本發明(ming)的輸(shu)(shu)入端口(kou)與(yu)hpm通道(dao)功(gong)(gong)率(lv)(lv)合(he)成(cheng)(cheng)系(xi)統后(hou)端的天線(xian)(xian)發射(she)系(xi)統相(xiang)連，n個(ge)輸(shu)(shu)出端口(kou)分(fen)(fen)別與(yu)一個(ge)微波(bo)(bo)源模(mo)塊相(xiang)連。n為正整數，1≤n≤n，n的取值可根據(ju)微波(bo)(bo)功(gong)(gong)率(lv)(lv)分(fen)(fen)配/合(he)成(cheng)(cheng)所需(xu)的數目確定(ding)。

4、椎狀(zhuang)(zhuang)圓(yuan)(yuan)波(bo)(bo)(bo)(bo)導(dao)(dao)(dao)(dao)(dao)(dao)(dao)-同軸(zhou)(zhou)波(bo)(bo)(bo)(bo)導(dao)(dao)(dao)(dao)(dao)(dao)(dao)過(guo)渡結構由圓(yuan)(yuan)波(bo)(bo)(bo)(bo)導(dao)(dao)(dao)(dao)(dao)(dao)(dao)、椎狀(zhuang)(zhuang)圓(yuan)(yuan)波(bo)(bo)(bo)(bo)導(dao)(dao)(dao)(dao)(dao)(dao)(dao)-同軸(zhou)(zhou)過(guo)渡波(bo)(bo)(bo)(bo)導(dao)(dao)(dao)(dao)(dao)(dao)(dao)和同軸(zhou)(zhou)波(bo)(bo)(bo)(bo)導(dao)(dao)(dao)(dao)(dao)(dao)(dao)組成(cheng)(cheng)(cheng)(cheng)。圓(yuan)(yuan)波(bo)(bo)(bo)(bo)導(dao)(dao)(dao)(dao)(dao)(dao)(dao)為(wei)圓(yuan)(yuan)筒，其內半(ban)徑(jing)為(wei)r0，壁厚(hou)等(deng)(deng)(deng)于(yu)(yu)(yu)(yu)外(wai)(wai)(wai)(wai)(wai)接的(de)hpm通(tong)道(dao)功率合成(cheng)(cheng)(cheng)(cheng)系(xi)統(tong)后端(duan)的(de)天線發(fa)(fa)射(she)系(xi)統(tong)的(de)圓(yuan)(yuan)波(bo)(bo)(bo)(bo)導(dao)(dao)(dao)(dao)(dao)(dao)(dao)厚(hou)度(du)h,圓(yuan)(yuan)波(bo)(bo)(bo)(bo)導(dao)(dao)(dao)(dao)(dao)(dao)(dao)用于(yu)(yu)(yu)(yu)將(jiang)合成(cheng)(cheng)(cheng)(cheng)后的(de)te01模(mo)式微波(bo)(bo)(bo)(bo)傳輸至hpm通(tong)道(dao)功率合成(cheng)(cheng)(cheng)(cheng)系(xi)統(tong)后端(duan)的(de)天線發(fa)(fa)射(she)系(xi)統(tong)。同軸(zhou)(zhou)波(bo)(bo)(bo)(bo)導(dao)(dao)(dao)(dao)(dao)(dao)(dao)由第一(yi)內導(dao)(dao)(dao)(dao)(dao)(dao)(dao)體(ti)(ti)(ti)(ti)(ti)同軸(zhou)(zhou)嵌套于(yu)(yu)(yu)(yu)第一(yi)外(wai)(wai)(wai)(wai)(wai)導(dao)(dao)(dao)(dao)(dao)(dao)(dao)體(ti)(ti)(ti)(ti)(ti)內組成(cheng)(cheng)(cheng)(cheng)。第一(yi)外(wai)(wai)(wai)(wai)(wai)導(dao)(dao)(dao)(dao)(dao)(dao)(dao)體(ti)(ti)(ti)(ti)(ti)為(wei)圓(yuan)(yuan)筒，長(chang)度(du)為(wei)l1，壁厚(hou)等(deng)(deng)(deng)于(yu)(yu)(yu)(yu)h，第一(yi)內導(dao)(dao)(dao)(dao)(dao)(dao)(dao)體(ti)(ti)(ti)(ti)(ti)也(ye)為(wei)圓(yuan)(yuan)筒，長(chang)度(du)等(deng)(deng)(deng)于(yu)(yu)(yu)(yu)l1，外(wai)(wai)(wai)(wai)(wai)半(ban)徑(jing)為(wei)r1，壁厚(hou)等(deng)(deng)(deng)于(yu)(yu)(yu)(yu)h；第一(yi)外(wai)(wai)(wai)(wai)(wai)導(dao)(dao)(dao)(dao)(dao)(dao)(dao)體(ti)(ti)(ti)(ti)(ti)的(de)內半(ban)徑(jing)與(yu)(yu)第一(yi)內導(dao)(dao)(dao)(dao)(dao)(dao)(dao)體(ti)(ti)(ti)(ti)(ti)的(de)外(wai)(wai)(wai)(wai)(wai)半(ban)徑(jing)之差為(wei)δr。第一(yi)內導(dao)(dao)(dao)(dao)(dao)(dao)(dao)體(ti)(ti)(ti)(ti)(ti)與(yu)(yu)第一(yi)外(wai)(wai)(wai)(wai)(wai)導(dao)(dao)(dao)(dao)(dao)(dao)(dao)體(ti)(ti)(ti)(ti)(ti)之間的(de)環形通(tong)道(dao)用于(yu)(yu)(yu)(yu)傳輸同軸(zhou)(zhou)波(bo)(bo)(bo)(bo)導(dao)(dao)(dao)(dao)(dao)(dao)(dao)te01模(mo)式微波(bo)(bo)(bo)(bo)。椎狀(zhuang)(zhuang)圓(yuan)(yuan)波(bo)(bo)(bo)(bo)導(dao)(dao)(dao)(dao)(dao)(dao)(dao)-同軸(zhou)(zhou)過(guo)渡波(bo)(bo)(bo)(bo)導(dao)(dao)(dao)(dao)(dao)(dao)(dao)由第二(er)外(wai)(wai)(wai)(wai)(wai)導(dao)(dao)(dao)(dao)(dao)(dao)(dao)體(ti)(ti)(ti)(ti)(ti)和第二(er)內導(dao)(dao)(dao)(dao)(dao)(dao)(dao)體(ti)(ti)(ti)(ti)(ti)構成(cheng)(cheng)(cheng)(cheng)。第二(er)外(wai)(wai)(wai)(wai)(wai)導(dao)(dao)(dao)(dao)(dao)(dao)(dao)體(ti)(ti)(ti)(ti)(ti)成(cheng)(cheng)(cheng)(cheng)倒(dao)扣的(de)圓(yuan)(yuan)臺狀(zhuang)(zhuang)(即上(shang)端(duan)口(kou)(kou)半(ban)徑(jing)大(da)于(yu)(yu)(yu)(yu)下(xia)端(duan)口(kou)(kou)半(ban)徑(jing)，滿足(zu)r1+δr<r0)，其上(shang)端(duan)口(kou)(kou)與(yu)(yu)圓(yuan)(yuan)波(bo)(bo)(bo)(bo)導(dao)(dao)(dao)(dao)(dao)(dao)(dao)下(xia)端(duan)口(kou)(kou)相(xiang)連(lian)，下(xia)端(duan)口(kou)(kou)與(yu)(yu)同軸(zhou)(zhou)波(bo)(bo)(bo)(bo)導(dao)(dao)(dao)(dao)(dao)(dao)(dao)的(de)第一(yi)外(wai)(wai)(wai)(wai)(wai)導(dao)(dao)(dao)(dao)(dao)(dao)(dao)體(ti)(ti)(ti)(ti)(ti)的(de)上(shang)端(duan)口(kou)(kou)相(xiang)連(lian)。第二(er)內導(dao)(dao)(dao)(dao)(dao)(dao)(dao)體(ti)(ti)(ti)(ti)(ti)為(wei)圓(yuan)(yuan)錐(zhui)狀(zhuang)(zhuang)，其下(xia)端(duan)口(kou)(kou)與(yu)(yu)同軸(zhou)(zhou)波(bo)(bo)(bo)(bo)導(dao)(dao)(dao)(dao)(dao)(dao)(dao)的(de)第一(yi)內導(dao)(dao)(dao)(dao)(dao)(dao)(dao)體(ti)(ti)(ti)(ti)(ti)的(de)上(shang)端(duan)口(kou)(kou)相(xiang)連(lian)。第二(er)外(wai)(wai)(wai)(wai)(wai)導(dao)(dao)(dao)(dao)(dao)(dao)(dao)體(ti)(ti)(ti)(ti)(ti)高(gao)度(du)為(wei)d1，上(shang)端(duan)口(kou)(kou)的(de)半(ban)徑(jing)等(deng)(deng)(deng)于(yu)(yu)(yu)(yu)r0，下(xia)端(duan)口(kou)(kou)的(de)半(ban)徑(jing)等(deng)(deng)(deng)于(yu)(yu)(yu)(yu)r1+δr，壁厚(hou)等(deng)(deng)(deng)于(yu)(yu)(yu)(yu)h。第二(er)內導(dao)(dao)(dao)(dao)(dao)(dao)(dao)體(ti)(ti)(ti)(ti)(ti)的(de)高(gao)度(du)等(deng)(deng)(deng)于(yu)(yu)(yu)(yu)d1，下(xia)端(duan)口(kou)(kou)的(de)半(ban)徑(jing)等(deng)(deng)(deng)于(yu)(yu)(yu)(yu)r1，壁厚(hou)等(deng)(deng)(deng)于(yu)(yu)(yu)(yu)h。

5、椎狀(zhuang)(zhuang)圓(yuan)波(bo)(bo)(bo)導(dao)(dao)-同軸(zhou)過(guo)渡波(bo)(bo)(bo)導(dao)(dao)的(de)(de)(de)第(di)(di)二(er)內導(dao)(dao)體與(yu)(yu)第(di)(di)二(er)外導(dao)(dao)體之(zhi)間(jian)的(de)(de)(de)嵌套漏斗狀(zhuang)(zhuang)通道將輸(shu)入圓(yuan)波(bo)(bo)(bo)導(dao)(dao)的(de)(de)(de)圓(yuan)波(bo)(bo)(bo)導(dao)(dao)te01模(mo)(mo)式(shi)(shi)(shi)(shi)微波(bo)(bo)(bo)逐漸轉換為同軸(zhou)波(bo)(bo)(bo)導(dao)(dao)的(de)(de)(de)te01模(mo)(mo)式(shi)(shi)(shi)(shi)。依(yi)據(ju)波(bo)(bo)(bo)導(dao)(dao)模(mo)(mo)式(shi)(shi)(shi)(shi)耦合理(li)論，通過(guo)減少(shao)模(mo)(mo)式(shi)(shi)(shi)(shi)轉換過(guo)程(cheng)(cheng)中(zhong)(zhong)電場(chang)(chang)的(de)(de)(de)擾動(dong)，可以有效抑制高(gao)階模(mo)(mo)式(shi)(shi)(shi)(shi)的(de)(de)(de)產生(sheng)，從(cong)而提升模(mo)(mo)式(shi)(shi)(shi)(shi)轉換效率并拓寬工作帶(dai)寬。而圓(yuan)波(bo)(bo)(bo)導(dao)(dao)te01模(mo)(mo)式(shi)(shi)(shi)(shi)微波(bo)(bo)(bo)電場(chang)(chang)集(ji)中(zhong)(zhong)分布(bu)于距(ju)離圓(yuan)波(bo)(bo)(bo)導(dao)(dao)中(zhong)(zhong)心半徑r0/2附近的(de)(de)(de)環(huan)形(xing)區域(yu)；同軸(zhou)波(bo)(bo)(bo)導(dao)(dao)te01模(mo)(mo)式(shi)(shi)(shi)(shi)微波(bo)(bo)(bo)電場(chang)(chang)集(ji)中(zhong)(zhong)分布(bu)第(di)(di)一內導(dao)(dao)體和第(di)(di)一外導(dao)(dao)體之(zhi)間(jian)的(de)(de)(de)環(huan)形(xing)區域(yu)。因此，為減小圓(yuan)波(bo)(bo)(bo)導(dao)(dao)te01模(mo)(mo)式(shi)(shi)(shi)(shi)與(yu)(yu)同軸(zhou)波(bo)(bo)(bo)導(dao)(dao)te01模(mo)(mo)式(shi)(shi)(shi)(shi)轉換過(guo)程(cheng)(cheng)中(zhong)(zhong)的(de)(de)(de)電場(chang)(chang)擾動(dong)，要求同軸(zhou)波(bo)(bo)(bo)導(dao)(dao)與(yu)(yu)圓(yuan)波(bo)(bo)(bo)導(dao)(dao)的(de)(de)(de)te01模(mo)(mo)式(shi)(shi)(shi)(shi)電場(chang)(chang)集(ji)中(zhong)(zhong)區域(yu)應相匹配。即(ji)

6、r1≈(r0-δr)/2??????(1)

7、如果同軸波導(dao)工作(zuo)在低(di)過模狀(zhuang)態(即同軸波導(dao)te01模式(shi)傳(chuan)輸，同軸波導(dao)te02模式(shi)截止)，后續徑向功(gong)率分配/合成過程中(zhong)產生的高階(jie)模式(shi)便可以(yi)被有(you)效抑制，從而實現(xian)工作(zuo)帶寬的拓寬。因(yin)此，為(wei)保證同軸波導(dao)工作(zuo)在低(di)過模狀(zhuang)態，同軸波導(dao)的尺寸(主要指r1,δr)須滿足：

8、

9、式(shi)中，c0為(wei)光在自由空間(jian)的(de)(de)傳播速(su)度，fmin為(wei)用戶設(she)定的(de)(de)工(gong)作(zuo)頻帶的(de)(de)最小頻率(是(shi)(shi)設(she)計目標，因(yin)此(ci)是(shi)(shi)已知值(zhi)(zhi))，fmax為(wei)用戶設(she)定的(de)(de)工(gong)作(zuo)頻帶的(de)(de)最大頻率(是(shi)(shi)設(she)計目標，因(yin)此(ci)是(shi)(shi)已知值(zhi)(zhi))。為(wei)同(tong)軸(zhou)波(bo)(bo)(bo)導(dao)的(de)(de)te01模式(shi)截(jie)止波(bo)(bo)(bo)長，為(wei)同(tong)軸(zhou)波(bo)(bo)(bo)導(dao)的(de)(de)te02模式(shi)截(jie)止波(bo)(bo)(bo)長，均與同(tong)軸(zhou)波(bo)(bo)(bo)導(dao)的(de)(de)尺寸相關，可通過同(tong)軸(zhou)波(bo)(bo)(bo)導(dao)的(de)(de)本征(zheng)方程計算得到：

10、j′m(kcr1)n′m(kcr2)-j′m(kcr2))n′m(kcr1)＝0?????????(3)

11、其中

12、r2＝r1+δr

13、式(shi)中，j′m(kcr1)為(wei)第(di)(di)一(yi)(yi)(yi)類(lei)bessel函(han)數(shu)的(de)導(dao)數(shu)，m為(wei)第(di)(di)一(yi)(yi)(yi)類(lei)bessel函(han)數(shu)的(de)階數(shu)。n′m(kcr2)為(wei)第(di)(di)二(er)類(lei)bessel函(han)數(shu)的(de)導(dao)數(shu)，m為(wei)第(di)(di)二(er)類(lei)bessel函(han)數(shu)的(de)階數(shu)，r2為(wei)同(tong)軸波(bo)(bo)導(dao)的(de)第(di)(di)一(yi)(yi)(yi)外導(dao)體內(nei)半徑，kc為(wei)本征值，也(ye)被稱為(wei)截止(zhi)波(bo)(bo)數(shu)。對于te01和te02模式(shi)，m＝0。需要注意的(de)是，式(shi)(3)是一(yi)(yi)(yi)個(ge)超越方(fang)程，一(yi)(yi)(yi)般可(ke)采(cai)用二(er)分法或牛頓法等數(shu)值方(fang)法進行求解。式(shi)(3)存在無數(shu)多(duo)個(ge)根(gen)kc，其中第(di)(di)一(yi)(yi)(yi)個(ge)根(gen)與(yu)相關，第(di)(di)二(er)個(ge)根(gen)與(yu)相關：

14、

15、給定滿(man)足r1≈(r0-δr)/2，r2＝r1+δr的r1和(he)(he)(he)δr的初(chu)值，根(gen)(gen)據式(shi)(3)和(he)(he)(he)式(shi)(4)求出和(he)(he)(he)若和(he)(he)(he)滿(man)足式(shi)(2)，表明r1和(he)(he)(he)δr符合要(yao)求；若和(he)(he)(he)不滿(man)足式(shi)(2)，則(ze)調整(zheng)r1和(he)(he)(he)δr，直到根(gen)(gen)據式(shi)(3)和(he)(he)(he)式(shi)(4)求出的和(he)(he)(he)滿(man)足式(shi)(2)，調整(zheng)后的r1和(he)(he)(he)δr為滿(man)足設計指標的r1和(he)(he)(he)δr。

16、同(tong)(tong)軸波(bo)(bo)(bo)(bo)導(dao)(dao)-圓(yuan)周(zhou)矩(ju)形(xing)(xing)(xing)波(bo)(bo)(bo)(bo)導(dao)(dao)陣(zhen)列(lie)過(guo)渡(du)(du)結(jie)構由n個(ge)(ge)(ge)扇(shan)形(xing)(xing)(xing)-矩(ju)形(xing)(xing)(xing)波(bo)(bo)(bo)(bo)導(dao)(dao)過(guo)渡(du)(du)段(duan)即第1個(ge)(ge)(ge)扇(shan)形(xing)(xing)(xing)-矩(ju)形(xing)(xing)(xing)波(bo)(bo)(bo)(bo)導(dao)(dao)過(guo)渡(du)(du)段(duan),…,第n個(ge)(ge)(ge)扇(shan)形(xing)(xing)(xing)-矩(ju)形(xing)(xing)(xing)波(bo)(bo)(bo)(bo)導(dao)(dao)過(guo)渡(du)(du)段(duan),…,第n個(ge)(ge)(ge)扇(shan)形(xing)(xing)(xing)-矩(ju)形(xing)(xing)(xing)波(bo)(bo)(bo)(bo)導(dao)(dao)過(guo)渡(du)(du)段(duan)繞本發明(ming)的(de)(de)(de)中心(xin)軸線oo'圓(yuan)周(zhou)排布組(zu)成(cheng)(cheng)。同(tong)(tong)軸波(bo)(bo)(bo)(bo)導(dao)(dao)-圓(yuan)周(zhou)矩(ju)形(xing)(xing)(xing)波(bo)(bo)(bo)(bo)導(dao)(dao)陣(zhen)列(lie)過(guo)渡(du)(du)結(jie)構的(de)(de)(de)上端是(shi)由n個(ge)(ge)(ge)扇(shan)形(xing)(xing)(xing)繞圓(yuan)周(zhou)圍成(cheng)(cheng)的(de)(de)(de)環狀切面，與同(tong)(tong)軸波(bo)(bo)(bo)(bo)導(dao)(dao)的(de)(de)(de)下(xia)端相(xiang)連(lian)。環狀切面的(de)(de)(de)外(wai)半(ban)徑(jing)等(deng)于(yu)同(tong)(tong)軸波(bo)(bo)(bo)(bo)導(dao)(dao)的(de)(de)(de)外(wai)半(ban)徑(jing)，內半(ban)徑(jing)等(deng)于(yu)r1+δr，壁厚(hou)等(deng)于(yu)h。同(tong)(tong)軸波(bo)(bo)(bo)(bo)導(dao)(dao)-圓(yuan)周(zhou)矩(ju)形(xing)(xing)(xing)波(bo)(bo)(bo)(bo)導(dao)(dao)陣(zhen)列(lie)過(guo)渡(du)(du)結(jie)構的(de)(de)(de)下(xia)端是(shi)由n個(ge)(ge)(ge)大小相(xiang)同(tong)(tong)的(de)(de)(de)矩(ju)形(xing)(xing)(xing)繞中心(xin)軸線oo'圓(yuan)周(zhou)圍成(cheng)(cheng)的(de)(de)(de)切面，與圓(yuan)周(zhou)彎(wan)波(bo)(bo)(bo)(bo)導(dao)(dao)陣(zhen)列(lie)的(de)(de)(de)上端相(xiang)連(lian)。n個(ge)(ge)(ge)扇(shan)形(xing)(xing)(xing)-矩(ju)形(xing)(xing)(xing)波(bo)(bo)(bo)(bo)導(dao)(dao)過(guo)渡(du)(du)段(duan)均(jun)通過(guo)上端的(de)(de)(de)扇(shan)形(xing)(xing)(xing)與下(xia)端的(de)(de)(de)矩(ju)形(xing)(xing)(xing)線性(xing)過(guo)渡(du)(du)形(xing)(xing)(xing)成(cheng)(cheng)。n個(ge)(ge)(ge)扇(shan)形(xing)(xing)(xing)的(de)(de)(de)張角(jiao)分別(bie)為(wei)(wei)θ1,θ2,…,θn,…,θn。第n個(ge)(ge)(ge)扇(shan)形(xing)(xing)(xing)張角(jiao)θn的(de)(de)(de)大小與其(qi)相(xiang)連(lian)的(de)(de)(de)矩(ju)形(xing)(xing)(xing)波(bo)(bo)(bo)(bo)導(dao)(dao)輸(shu)出(chu)端口的(de)(de)(de)輸(shu)出(chu)功(gong)率(lv)相(xiang)對應。若本發明(ming)n個(ge)(ge)(ge)矩(ju)形(xing)(xing)(xing)波(bo)(bo)(bo)(bo)導(dao)(dao)輸(shu)出(chu)端口的(de)(de)(de)輸(shu)出(chu)功(gong)率(lv)為(wei)(wei)p1,p2,…,pn,…,pn，第n個(ge)(ge)(ge)扇(shan)形(xing)(xing)(xing)張角(jiao)θn為(wei)(wei)：

17、

18、θ1,θ2,…,θn,…,θn可(ke)以不(bu)相等(deng)，但n個(ge)扇(shan)形(xing)(xing)-矩(ju)形(xing)(xing)波(bo)導過(guo)(guo)渡(du)段(duan)其余部(bu)分的(de)尺(chi)寸均相等(deng)。因此，以第(di)(di)n個(ge)扇(shan)形(xing)(xing)-矩(ju)形(xing)(xing)波(bo)導過(guo)(guo)渡(du)段(duan)為(wei)代表(biao)描述扇(shan)形(xing)(xing)-矩(ju)形(xing)(xing)波(bo)導過(guo)(guo)渡(du)段(duan)其余部(bu)分的(de)特征。第(di)(di)n個(ge)扇(shan)形(xing)(xing)-矩(ju)形(xing)(xing)波(bo)導過(guo)(guo)渡(du)段(duan)的(de)高度為(wei)d2，下端(duan)矩(ju)形(xing)(xing)的(de)長為(wei)a1，寬為(wei)b1。為(wei)保證第(di)(di)n個(ge)扇(shan)形(xing)(xing)-矩(ju)形(xing)(xing)波(bo)導過(guo)(guo)渡(du)段(duan)具有較高的(de)微波(bo)傳輸效率，下端(duan)矩(ju)形(xing)(xing)應盡量位(wei)于扇(shan)形(xing)(xing)正下方。滿(man)足：

19、δa≈r1+(δr-a1)/2????????(6)

20、式中，δa為(wei)第(di)n個扇形(xing)-矩形(xing)波(bo)導(dao)過渡段的(de)下端矩形(xing)距中心軸線oo'的(de)距離。

21、同(tong)時(shi)，a1、b1還(huan)應(ying)滿(man)足(zu)微波工作頻段內主模(mo)(te10模(mo)式)傳輸條(tiao)件：

22、

23、式(shi)中，max(a1,2b1)表示取a1和2b1的最大值(zhi)。

24、同(tong)軸波(bo)(bo)(bo)(bo)導-圓(yuan)周矩形(xing)波(bo)(bo)(bo)(bo)導陣列過(guo)渡(du)結構(gou)的(de)(de)功(gong)能是將同(tong)軸波(bo)(bo)(bo)(bo)導輸(shu)(shu)入(ru)的(de)(de)te01模(mo)式微波(bo)(bo)(bo)(bo)在縱向轉(zhuan)換為n個矩形(xing)波(bo)(bo)(bo)(bo)導te10模(mo)式輸(shu)(shu)出。并且(qie)使這n個矩形(xing)波(bo)(bo)(bo)(bo)導te10模(mo)式微波(bo)(bo)(bo)(bo)功(gong)率大(da)(da)小分(fen)(fen)別等于功(gong)率分(fen)(fen)配/合成器的(de)(de)輸(shu)(shu)出功(gong)率p1,p2,…,pn,…,pn。扇形(xing)-矩形(xing)波(bo)(bo)(bo)(bo)導過(guo)渡(du)段(duan)的(de)(de)高度d2對轉(zhuan)換效率有顯著影響，一般而言，d2越大(da)(da)，轉(zhuan)換效率越高。然而，實際設計中需要根據傳輸(shu)(shu)效率與(yu)d2之間做(zuo)權衡(heng)，因(yin)此d2一般選擇為工作波(bo)(bo)(bo)(bo)長范圍(wei)，即

25、圓(yuan)周彎(wan)波(bo)(bo)(bo)導(dao)陣(zhen)列(lie)由n個結構相同(tong)的h面90°彎(wan)波(bo)(bo)(bo)導(dao)即第(di)1個彎(wan)波(bo)(bo)(bo)導(dao),…,第(di)n個彎(wan)波(bo)(bo)(bo)導(dao),…,第(di)n個彎(wan)波(bo)(bo)(bo)導(dao)沿圓(yuan)周均勻排(pai)布組成。這n個彎(wan)波(bo)(bo)(bo)導(dao)的上端(duan)與(yu)同(tong)軸波(bo)(bo)(bo)導(dao)-圓(yuan)周矩形波(bo)(bo)(bo)導(dao)陣(zhen)列(lie)過(guo)(guo)渡結構的n個扇(shan)形-矩形波(bo)(bo)(bo)導(dao)過(guo)(guo)渡段的下(xia)端(duan)相連，即第(di)n個彎(wan)波(bo)(bo)(bo)導(dao)上端(duan)與(yu)第(di)n個扇(shan)形-矩形波(bo)(bo)(bo)導(dao)過(guo)(guo)渡段的下(xia)端(duan)相連。因此，第(di)n個彎(wan)波(bo)(bo)(bo)導(dao)和(he)第(di)n+1個彎(wan)波(bo)(bo)(bo)導(dao)之間的夾角φn滿足：

26、

27、圓(yuan)周(zhou)彎(wan)(wan)(wan)波(bo)(bo)(bo)(bo)(bo)(bo)導(dao)(dao)(dao)(dao)(dao)(dao)(dao)(dao)(dao)陣(zhen)列的主要作用(yong)是，通過(guo)n個(ge)(ge)(ge)(ge)h面90°彎(wan)(wan)(wan)波(bo)(bo)(bo)(bo)(bo)(bo)導(dao)(dao)(dao)(dao)(dao)(dao)(dao)(dao)(dao)，將同(tong)軸波(bo)(bo)(bo)(bo)(bo)(bo)導(dao)(dao)(dao)(dao)(dao)(dao)(dao)(dao)(dao)-圓(yuan)周(zhou)矩(ju)(ju)形(xing)(xing)波(bo)(bo)(bo)(bo)(bo)(bo)導(dao)(dao)(dao)(dao)(dao)(dao)(dao)(dao)(dao)陣(zhen)列過(guo)渡(du)(du)結構縱向輸入的n個(ge)(ge)(ge)(ge)矩(ju)(ju)形(xing)(xing)波(bo)(bo)(bo)(bo)(bo)(bo)導(dao)(dao)(dao)(dao)(dao)(dao)(dao)(dao)(dao)te10模(mo)式(shi)微(wei)波(bo)(bo)(bo)(bo)(bo)(bo)轉(zhuan)換為(wei)(wei)(wei)(wei)矩(ju)(ju)形(xing)(xing)波(bo)(bo)(bo)(bo)(bo)(bo)導(dao)(dao)(dao)(dao)(dao)(dao)(dao)(dao)(dao)te10模(mo)式(shi)徑(jing)(jing)向輸出(chu)，從而實現n路波(bo)(bo)(bo)(bo)(bo)(bo)導(dao)(dao)(dao)(dao)(dao)(dao)(dao)(dao)(dao)徑(jing)(jing)向功率分配(pei)/合成(cheng)。因為(wei)(wei)(wei)(wei)n個(ge)(ge)(ge)(ge)彎(wan)(wan)(wan)波(bo)(bo)(bo)(bo)(bo)(bo)導(dao)(dao)(dao)(dao)(dao)(dao)(dao)(dao)(dao)的結構相(xiang)(xiang)同(tong)，以第(di)(di)n個(ge)(ge)(ge)(ge)彎(wan)(wan)(wan)波(bo)(bo)(bo)(bo)(bo)(bo)導(dao)(dao)(dao)(dao)(dao)(dao)(dao)(dao)(dao)為(wei)(wei)(wei)(wei)代表描(miao)述彎(wan)(wan)(wan)波(bo)(bo)(bo)(bo)(bo)(bo)導(dao)(dao)(dao)(dao)(dao)(dao)(dao)(dao)(dao)特(te)征。第(di)(di)n個(ge)(ge)(ge)(ge)彎(wan)(wan)(wan)波(bo)(bo)(bo)(bo)(bo)(bo)導(dao)(dao)(dao)(dao)(dao)(dao)(dao)(dao)(dao)上端(duan)(duan)有一段(duan)(duan)矩(ju)(ju)形(xing)(xing)波(bo)(bo)(bo)(bo)(bo)(bo)導(dao)(dao)(dao)(dao)(dao)(dao)(dao)(dao)(dao)，與扇(shan)形(xing)(xing)-矩(ju)(ju)形(xing)(xing)波(bo)(bo)(bo)(bo)(bo)(bo)導(dao)(dao)(dao)(dao)(dao)(dao)(dao)(dao)(dao)過(guo)渡(du)(du)段(duan)(duan)下(xia)端(duan)(duan)的矩(ju)(ju)形(xing)(xing)相(xiang)(xiang)連。第(di)(di)n個(ge)(ge)(ge)(ge)彎(wan)(wan)(wan)波(bo)(bo)(bo)(bo)(bo)(bo)導(dao)(dao)(dao)(dao)(dao)(dao)(dao)(dao)(dao)上端(duan)(duan)的矩(ju)(ju)形(xing)(xing)波(bo)(bo)(bo)(bo)(bo)(bo)導(dao)(dao)(dao)(dao)(dao)(dao)(dao)(dao)(dao)長(chang)度(du)為(wei)(wei)(wei)(wei)l2，該矩(ju)(ju)形(xing)(xing)波(bo)(bo)(bo)(bo)(bo)(bo)導(dao)(dao)(dao)(dao)(dao)(dao)(dao)(dao)(dao)的尺寸(cun)(cun)與扇(shan)形(xing)(xing)-矩(ju)(ju)形(xing)(xing)波(bo)(bo)(bo)(bo)(bo)(bo)導(dao)(dao)(dao)(dao)(dao)(dao)(dao)(dao)(dao)過(guo)渡(du)(du)段(duan)(duan)的下(xia)端(duan)(duan)矩(ju)(ju)形(xing)(xing)尺寸(cun)(cun)相(xiang)(xiang)同(tong)，即矩(ju)(ju)形(xing)(xing)波(bo)(bo)(bo)(bo)(bo)(bo)導(dao)(dao)(dao)(dao)(dao)(dao)(dao)(dao)(dao)寬邊(bian)長(chang)度(du)等(deng)于a1，窄邊(bian)長(chang)度(du)等(deng)于b1。第(di)(di)n個(ge)(ge)(ge)(ge)彎(wan)(wan)(wan)波(bo)(bo)(bo)(bo)(bo)(bo)導(dao)(dao)(dao)(dao)(dao)(dao)(dao)(dao)(dao)的內(nei)外倒(dao)角(jiao)(jiao)均采用(yong)倒(dao)圓(yuan)角(jiao)(jiao)結構，第(di)(di)一倒(dao)角(jiao)(jiao)半(ban)徑(jing)(jing)為(wei)(wei)(wei)(wei)e1，第(di)(di)二倒(dao)角(jiao)(jiao)半(ban)徑(jing)(jing)為(wei)(wei)(wei)(wei)e2。為(wei)(wei)(wei)(wei)便于與微(wei)波(bo)(bo)(bo)(bo)(bo)(bo)源相(xiang)(xiang)連，第(di)(di)n個(ge)(ge)(ge)(ge)彎(wan)(wan)(wan)波(bo)(bo)(bo)(bo)(bo)(bo)導(dao)(dao)(dao)(dao)(dao)(dao)(dao)(dao)(dao)輸出(chu)端(duan)(duan)的矩(ju)(ju)形(xing)(xing)波(bo)(bo)(bo)(bo)(bo)(bo)導(dao)(dao)(dao)(dao)(dao)(dao)(dao)(dao)(dao)長(chang)度(du)為(wei)(wei)(wei)(wei)l3，該矩(ju)(ju)形(xing)(xing)波(bo)(bo)(bo)(bo)(bo)(bo)導(dao)(dao)(dao)(dao)(dao)(dao)(dao)(dao)(dao)寬邊(bian)長(chang)度(du)a2、窄邊(bian)長(chang)度(du)b2一般(ban)選(xuan)擇為(wei)(wei)(wei)(wei)覆蓋微(wei)波(bo)(bo)(bo)(bo)(bo)(bo)工(gong)作頻段(duan)(duan)范(fan)圍的標(biao)準(zhun)矩(ju)(ju)形(xing)(xing)波(bo)(bo)(bo)(bo)(bo)(bo)導(dao)(dao)(dao)(dao)(dao)(dao)(dao)(dao)(dao)尺寸(cun)(cun)，如(ru)工(gong)作頻段(duan)(duan)范(fan)圍在s波(bo)(bo)(bo)(bo)(bo)(bo)段(duan)(duan)(2-4ghz)內(nei)，可選(xuan)擇bj32標(biao)準(zhun)矩(ju)(ju)形(xing)(xing)波(bo)(bo)(bo)(bo)(bo)(bo)導(dao)(dao)(dao)(dao)(dao)(dao)(dao)(dao)(dao)，工(gong)作頻段(duan)(duan)范(fan)圍在x波(bo)(bo)(bo)(bo)(bo)(bo)段(duan)(duan)(8-12ghz)內(nei)，可選(xuan)擇bj100標(biao)準(zhun)矩(ju)(ju)形(xing)(xing)波(bo)(bo)(bo)(bo)(bo)(bo)導(dao)(dao)(dao)(dao)(dao)(dao)(dao)(dao)(dao)。

28、需要注意的是(shi)，本(ben)發明的功率(lv)分配(pei)/合成(cheng)數(shu)目n不宜過(guo)高，因為(wei)當n的數(shu)目過(guo)大時，同(tong)軸(zhou)波(bo)導(dao)-圓周(zhou)矩(ju)形波(bo)導(dao)陣列過(guo)渡結(jie)構(gou)相鄰的扇形-矩(ju)形波(bo)導(dao)過(guo)渡段會(hui)緊挨甚至聯結(jie)一起，不利于(yu)加工制造。因此，n的數(shu)目一般應(ying)滿足3≤n≤8。

29、通過電磁仿(fang)真(zhen)軟件(jian)cst?studio?suit?2014版(ban)本(ben)，在滿足r0>r1>0，δr>0，r1≈(r0-δr)/2，d1>0，l1>0，h>0，a1>b1>0，δa>0，-δa≈r1+(δr-a1)/2，e2>e1>0，a2>b2>;0，3≤n≤8，n為(wei)整(zheng)數，r0等于外接的(de)hpm通道功率合成(cheng)系(xi)統后(hou)端的(de)天線(xian)發射系(xi)統的(de)圓(yuan)波導(dao)的(de)內(nei)半徑，a2、b2為(wei)覆蓋(gai)微(wei)波工作頻段范圍的(de)標準矩形波導(dao)尺寸的(de)條件(jian)下，設定(ding)分配(pei)/合成(cheng)器的(de)傳輸效率大于99％，可以通過優(you)化獲得參數r1，δr，d1，l1，θn，a1，b1，δa，d2，φn，l2，e2，e1，a2，b2，l3的(de)精(jing)確值。h一般取2～5mm。

30、本發明的工作過(guo)程(cheng)分為(wei)功率分配和功率合(he)成。

31、功率(lv)分配過(guo)程是：椎狀圓(yuan)(yuan)波(bo)(bo)(bo)(bo)(bo)導(dao)(dao)-同軸(zhou)(zhou)波(bo)(bo)(bo)(bo)(bo)導(dao)(dao)過(guo)渡(du)(du)結構(gou)(gou)將(jiang)(jiang)(jiang)輸入的(de)圓(yuan)(yuan)波(bo)(bo)(bo)(bo)(bo)導(dao)(dao)的(de)te01模(mo)(mo)(mo)(mo)式(shi)(shi)微(wei)波(bo)(bo)(bo)(bo)(bo)逐漸轉換為(wei)同軸(zhou)(zhou)波(bo)(bo)(bo)(bo)(bo)導(dao)(dao)的(de)te01模(mo)(mo)(mo)(mo)式(shi)(shi)，然后輸入至同軸(zhou)(zhou)波(bo)(bo)(bo)(bo)(bo)導(dao)(dao)-圓(yuan)(yuan)周(zhou)矩(ju)(ju)形(xing)(xing)波(bo)(bo)(bo)(bo)(bo)導(dao)(dao)陣列(lie)(lie)過(guo)渡(du)(du)結構(gou)(gou)；同軸(zhou)(zhou)波(bo)(bo)(bo)(bo)(bo)導(dao)(dao)-圓(yuan)(yuan)周(zhou)矩(ju)(ju)形(xing)(xing)波(bo)(bo)(bo)(bo)(bo)導(dao)(dao)陣列(lie)(lie)過(guo)渡(du)(du)結構(gou)(gou)將(jiang)(jiang)(jiang)輸入的(de)同軸(zhou)(zhou)波(bo)(bo)(bo)(bo)(bo)導(dao)(dao)te01模(mo)(mo)(mo)(mo)式(shi)(shi)微(wei)波(bo)(bo)(bo)(bo)(bo)按照(zhao)預定(ding)的(de)輸出功率(lv)比例分為(wei)n扇形(xing)(xing)部(bu)分，并(bing)將(jiang)(jiang)(jiang)這n個扇形(xing)(xing)部(bu)分的(de)電場逐漸轉換為(wei)n個矩(ju)(ju)形(xing)(xing)波(bo)(bo)(bo)(bo)(bo)導(dao)(dao)te10模(mo)(mo)(mo)(mo)式(shi)(shi)，然后輸入至圓(yuan)(yuan)周(zhou)彎波(bo)(bo)(bo)(bo)(bo)導(dao)(dao)陣列(lie)(lie)；圓(yuan)(yuan)周(zhou)彎波(bo)(bo)(bo)(bo)(bo)導(dao)(dao)陣列(lie)(lie)將(jiang)(jiang)(jiang)同軸(zhou)(zhou)波(bo)(bo)(bo)(bo)(bo)導(dao)(dao)-圓(yuan)(yuan)周(zhou)矩(ju)(ju)形(xing)(xing)波(bo)(bo)(bo)(bo)(bo)導(dao)(dao)陣列(lie)(lie)過(guo)渡(du)(du)結構(gou)(gou)縱向輸入的(de)n個矩(ju)(ju)形(xing)(xing)波(bo)(bo)(bo)(bo)(bo)導(dao)(dao)te10模(mo)(mo)(mo)(mo)式(shi)(shi)微(wei)波(bo)(bo)(bo)(bo)(bo)轉換為(wei)n個矩(ju)(ju)形(xing)(xing)波(bo)(bo)(bo)(bo)(bo)導(dao)(dao)te10模(mo)(mo)(mo)(mo)式(shi)(shi)徑向輸出，從而實(shi)現n路波(bo)(bo)(bo)(bo)(bo)導(dao)(dao)的(de)徑向功率(lv)分配。

32、功(gong)(gong)率(lv)(lv)(lv)合(he)成過(guo)(guo)程(cheng)是(shi)功(gong)(gong)率(lv)(lv)(lv)分配過(guo)(guo)程(cheng)的(de)(de)(de)逆向(xiang)操作，具體為(wei)(wei)：n個(ge)hpm系統(tong)(tong)單元輸(shu)(shu)(shu)(shu)出(chu)功(gong)(gong)率(lv)(lv)(lv)分別為(wei)(wei)p1，p2，…，pn，…，pn，輸(shu)(shu)(shu)(shu)出(chu)相位(wei)相等。n個(ge)hpm系統(tong)(tong)單元輸(shu)(shu)(shu)(shu)出(chu)微(wei)波(bo)(bo)(bo)(bo)至(zhi)本發(fa)(fa)明的(de)(de)(de)第1輸(shu)(shu)(shu)(shu)出(chu)端(duan)(duan)口(kou)(kou)，第2輸(shu)(shu)(shu)(shu)出(chu)端(duan)(duan)口(kou)(kou)，…，第n輸(shu)(shu)(shu)(shu)出(chu)端(duan)(duan)口(kou)(kou)，…，第n輸(shu)(shu)(shu)(shu)出(chu)端(duan)(duan)口(kou)(kou)，經(jing)圓(yuan)(yuan)(yuan)周彎波(bo)(bo)(bo)(bo)導(dao)(dao)(dao)(dao)(dao)陣列(lie)后，轉(zhuan)換為(wei)(wei)n個(ge)縱(zong)向(xiang)的(de)(de)(de)矩形波(bo)(bo)(bo)(bo)導(dao)(dao)(dao)(dao)(dao)te10模(mo)式(shi)(shi)微(wei)波(bo)(bo)(bo)(bo)，然后輸(shu)(shu)(shu)(shu)入(ru)(ru)至(zhi)同(tong)軸(zhou)波(bo)(bo)(bo)(bo)導(dao)(dao)(dao)(dao)(dao)-圓(yuan)(yuan)(yuan)周矩形波(bo)(bo)(bo)(bo)導(dao)(dao)(dao)(dao)(dao)陣列(lie)過(guo)(guo)渡(du)結構(gou)的(de)(de)(de)下端(duan)(duan)口(kou)(kou)；同(tong)軸(zhou)波(bo)(bo)(bo)(bo)導(dao)(dao)(dao)(dao)(dao)-圓(yuan)(yuan)(yuan)周矩形波(bo)(bo)(bo)(bo)導(dao)(dao)(dao)(dao)(dao)陣列(lie)過(guo)(guo)渡(du)結構(gou)將輸(shu)(shu)(shu)(shu)入(ru)(ru)的(de)(de)(de)n個(ge)縱(zong)向(xiang)的(de)(de)(de)矩形波(bo)(bo)(bo)(bo)導(dao)(dao)(dao)(dao)(dao)te10模(mo)式(shi)(shi)微(wei)波(bo)(bo)(bo)(bo)逐漸轉(zhuan)換為(wei)(wei)同(tong)軸(zhou)波(bo)(bo)(bo)(bo)導(dao)(dao)(dao)(dao)(dao)te01模(mo)式(shi)(shi)，然后輸(shu)(shu)(shu)(shu)入(ru)(ru)至(zhi)椎狀(zhuang)圓(yuan)(yuan)(yuan)波(bo)(bo)(bo)(bo)導(dao)(dao)(dao)(dao)(dao)-同(tong)軸(zhou)波(bo)(bo)(bo)(bo)導(dao)(dao)(dao)(dao)(dao)過(guo)(guo)渡(du)結構(gou)的(de)(de)(de)下端(duan)(duan)口(kou)(kou)；椎狀(zhuang)圓(yuan)(yuan)(yuan)波(bo)(bo)(bo)(bo)導(dao)(dao)(dao)(dao)(dao)-同(tong)軸(zhou)波(bo)(bo)(bo)(bo)導(dao)(dao)(dao)(dao)(dao)過(guo)(guo)渡(du)結構(gou)將輸(shu)(shu)(shu)(shu)入(ru)(ru)的(de)(de)(de)同(tong)軸(zhou)波(bo)(bo)(bo)(bo)導(dao)(dao)(dao)(dao)(dao)te01模(mo)式(shi)(shi)轉(zhuan)換為(wei)(wei)圓(yuan)(yuan)(yuan)波(bo)(bo)(bo)(bo)導(dao)(dao)(dao)(dao)(dao)te01模(mo)式(shi)(shi)，并在(zai)本發(fa)(fa)明輸(shu)(shu)(shu)(shu)入(ru)(ru)端(duan)(duan)口(kou)(kou)端(duan)(duan)口(kou)(kou)輸(shu)(shu)(shu)(shu)出(chu)。本發(fa)(fa)明輸(shu)(shu)(shu)(shu)入(ru)(ru)端(duan)(duan)口(kou)(kou)與hpm通道功(gong)(gong)率(lv)(lv)(lv)合(he)成系統(tong)(tong)后端(duan)(duan)的(de)(de)(de)天線發(fa)(fa)射系統(tong)(tong)相連，從(cong)而實現n路波(bo)(bo)(bo)(bo)導(dao)(dao)(dao)(dao)(dao)的(de)(de)(de)徑向(xiang)功(gong)(gong)率(lv)(lv)(lv)合(he)成。

33、采用本發(fa)明可(ke)以達到以下有益效果(guo)：

34、(1)本發(fa)明采用一個錐狀(zhuang)圓(yuan)波導-同軸波導過(guo)渡結構解決了高(gao)過(guo)模(mo)圓(yuan)波導直接徑向功(gong)率(lv)(lv)合(he)成(cheng)易激發(fa)出高(gao)次模(mo)式的問題，拓(tuo)寬了功(gong)率(lv)(lv)分配/合(he)成(cheng)器(qi)的工作(zuo)頻(pin)帶，提高(gao)了功(gong)率(lv)(lv)承載(zai)能力，使得(de)功(gong)率(lv)(lv)容量能夠達到gw量級。

35、(2)本發明采(cai)用(yong)同軸(zhou)波(bo)導(dao)-圓周矩形波(bo)導(dao)陣列過(guo)渡結(jie)構在縱向(xiang)(xiang)實(shi)現從同軸(zhou)波(bo)導(dao)te01模式微波(bo)到(dao)多個矩形波(bo)導(dao)te10模式的(de)平滑(hua)轉(zhuan)換，避免了橫(heng)向(xiang)(xiang)尺寸的(de)增加，有效(xiao)提高空間(jian)利用(yong)率(lv)。

36、(3)本發明均為金屬(shu)結(jie)構，同時腔體內部無不連(lian)續(xu)結(jie)構，能夠有效抑制(zhi)電場增強效應產生，進一步提(ti)高其工作(zuo)頻帶(dai)和功(gong)率容量(liang)。