The amplifier input is a voltage proportional to the photocurrent signal produced by a photodiode, which is irradiated by a modulated light beam at the same chopper frequency.
放大器输入为电压信号，与光敏二极管产生的光电流信号成比例。调制光柱以断路器同样的频率照射光敏二极管。
There is a growing interest in the frequency modulated continuous wave (FM-CW) SAR for its advantages such as small cubage, light weight, cost-effective and high resolution.
调频连续波(FM -CW)合成孔径雷达因其体积小、重量轻、成本低及分辨率高等特点越来越受到关注。
After frequency selecting when white light walks through the F-P sensor which cavity modulated by temperature, wavelength demodulating is realized with a plane grating and CCD.
采用铜管和端面镀膜的光纤制作f - P传感器，白光光源经过腔长受温度调制的F - P传感器选频后，用平面光栅和线阵CCD实现光波波长的解调。
Quantum well laser diodes are of high modulation frequency response. They can be used as light sources and be directly modulated for high bit rate optical communications.
量子阱激光器具有良好的小信号调制频率响应，能作为高速光通信光源采用直接调制方式进行信号传输。
Frequency modulated continuous wave (FMCW) synthetic aperture radar (SAR) is a light-weight, cost-effective, high-resolution imaging radar, which is suitable for operation on a small flight platform.
调频连续波合成孔径雷达(SAR)是一种新体制的高分辨率成像雷达，具有体积小，重量轻，耗电少，造价低，分辨率高等优点，非常适合小型化sar的应用。
Frequency modulated continuous wave (FMCW) synthetic aperture radar (SAR) is a light-weight, cost-effective, high-resolution imaging radar, which is suitable for operation on a small flight platform.
调频连续波合成孔径雷达(SAR)是一种新体制的高分辨率成像雷达，具有体积小，重量轻，耗电少，造价低，分辨率高等优点，非常适合小型化sar的应用。
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