饋線式天線 的英文怎麼說
中文拼音 [kuìxiànshìtiānxiàn]
饋線式天線
英文
feeder antenna-
It has the good qualities of both tem horn antenna and dipole antenna, less dimensions construction, good direction and higher efficiency. its impedance and radiation are analyzed. good agreements are obtained from experiment and calculation
這種平面喇叭天線採用了新型的平衡饋電方式，結構簡單，性能良好，同時結合了tem喇叭和振子天線的優點，結構維數低，具有較強的方向性、較高的效率，在uwbsar軌道系統實驗中取得了比較理想的結果。The antenna design is based on using capacitive loads and slits on two crossed narrow patches with via fed - through feed system, which can reduce the size of the antenna, improve the isolation between two ports and keep considerable bandwidth respectively
通過電容性加載減小整個天線的尺寸，通過在天線上開槽來增加天線埠之間的隔離度，採用viafed - through的饋電方式。The antenna feed manner can be perfectly modeled accordingly, and less additional requirement for computer is needed. using this simulation method, the time - domain waveform has complete fidelity
此種激勵設置方式只增加很少的計算機開銷，就可以完全模擬各種類型天線的饋電方式，並有完全的時域波形保真性。Firstly, the theory of microstrip antenna is simply analyzed. based on the research of it, the best feeding way which is aperture coupled feeding is found. at the same time, the round patch is chosen
本文首先對微帶天線的理論進行了簡要分析，通過對微帶天線理論的研究，找出了天線最優化饋電方式? ?口徑耦合饋電;同時，也選出了天線所採用的貼片形狀? ?圓形。Theoretically, the main work is the simulation of source excitation. by comparing the advantages and disadvantages of previous methods of source simulation, a novel simulation method of excitation source is presented. the details of the application to microstrip feed, waveguide feed and coaxial - cable feed using this simulating method are given
在fdtd用於天線計算理論研究中本文重點研究了激勵源設置問題，比較了現有的各種激勵源設置方式的優缺點以及它們的適用范圍，在此基礎上，提出一種新的激勵源設置方法，並將其推廣到微帶線饋電、波導饋電、同軸線饋電等天線的通用饋電方式。Antennas are feed by 50ohm coaxial cable and feed networks are unnecessary. and then, tag antennas are analyzed and designed, which include plate balanced dipole antenna, triangle balanced dipole antenna and inductively coupled feed meander - line antenna. theory analysis and simulations are given and optimal results are achieved
然後，對標簽天線進行了分析與設計，分別對片狀對稱振子天線、三角形對稱振子天線、感應耦合饋電折疊線天線等天線形式進行了研究，給出理論分析和模擬計算，得到滿足設計要求的各種形式的標簽天線。The author ? major contributions are as follows. 1. with the performance requirement ( the pattern of the antenna, the rang of scanning angle, the maximal sidelcbe level and the beam ~ vidth ) givcn, a method is presented to determine the basic parameters of a serpentine feed, which includes the distance and ~ vaveguide length bet ~ veeii t ~ vo couplers, the size of the arrays and the number of components
根據天線的工作頻帶、掃描范圍、副瓣電平、半功率寬度等技術指標要求，給出了確定波導慢波線基本結構尺寸的計算公式，即對相鄰單元之間的空間距離、耦合器之間的饋線波導長度、陣列的大小和單元數的計算。The auxiliary signal is injected into antennas from the ports of antennas in the first calibration project for channels uncertainty. this thesis studies the least squares ( ls ) algorithm, the subspace - based algorithm and the correlation algorithm based on the mentioned project
通過理論研究，確定基於有源方式的兩種天q線陣列校正方案：一種是從天線饋電口注入輔助信號，另一種是從空中注入輔助信號。The major research of this paper is about microstrip patch antenna at the frequency of 24ghz, including single patch antennas and patch arrays. single antennas consist of centre side - fed, offset side - fed and inset - fed patches, while patch arrays consist of series - fed linear arrays, uniform and taylor distributed parallel - fed linear arrays
本文主要研究24ghz的微帶貼片天線單元以及陣列。天線單元包括中間邊饋式、偏移邊饋式和插入饋電式。天線陣列包括串饋線陣、均勻分佈並饋線陣和泰勒分佈並饋線陣。分享友人