active antenna

基本解釋

Once equipped with the active antenna, the Rafale would have a five-year technology lead over European competition aircraft, Chaltiel said.
一旦“陣風(fēng)”戰(zhàn)斗機裝備了這種主動天線，相對于歐洲其他戰(zhàn)斗機競爭對手，它將具有五年的技術(shù)領(lǐng)先優(yōu)勢。
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TerraSAR-X is an Earth-observation satellite that travels around the planet in a polar orbit, and records X-band radar data about the planet using its active antenna.
TerraSAR-X是一顆地球觀測衛(wèi)星，環(huán)繞地球極地軌道飛行同時使用自身的有源天線記錄X波段的雷達數(shù)據(jù)。
Coupled oscillators can realize desired phase distribution on the array by tunning natural frequencies of the elements, so it can be used in nonlinear active antenna array to control beam scanning.
耦合振蕩器陣列可以通過調(diào)節(jié)單元的自由振蕩頻率實現(xiàn)陣面的特定相位分布，從而不用移相器實現(xiàn)有源天線陣波束電掃描。