working aperture 中文意思是什麼
working aperture
解釋
有效孔徑-
Airborne synthetic aperture radar ( sar ) is a kind of active remote sensor, which works in the microwave band and takes aircraft as the working platform
機載合成孔徑雷達是一種以飛行器為平臺，工作在微波波段的主動式遙感器。 -
As a detecting device working underwater, the synthesize aperture sonar is fixed in the underwater carrier
作為水下探測器的一種，該系統的水下探測部分載體內承裝的是合成孔徑聲納系統。 -
Synthetic aperture radar ( sar ) is an active microwave remote sensing imaging system, which is widely used in earth observation and military detection due to its quality of working all day, all weather and its penetration ability in certain frequency band
合成孔徑雷達（ sar ）是一種主動式成像雷達，由於它具有全天時、全天候的監測特性，並且在一定波段對植被、淺層土壤具有穿透能力，因此被廣泛應用於農林、地質、水文、海洋與環境監測、國防等領域。 -
Aperture synthesis uses interferometry technique to improve the limitations set by antenna physical aperture while working at lower frequency. phase and amplitude calibration of the visibility samples must be carried out to compensate for system bias before measurement
綜合孔徑技術利用了以小口徑天線陣列合成大的觀測口徑的技術，解決了在較低頻率時天線物理口徑要足夠大才能得到期望的空間解析度的嚴重缺陷。 -
The use of aperture coupled feeding widens the working band and increases the isolation. simultaneously, the application of round patch can upgrade the gain and radiation efficiency of the antenna
採用口徑耦合饋電能夠展寬帶寬，提高隔離度，而採用圓形作為貼片形狀可以提高天線的增益和輻射效率。
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