The avalanche photodiode detector is followed by a front-end amplifier and equalizer or filter to provide gain as well as linear signal processing and noise bandwidth redution.
前置放大器与均衡器或滤波器跟在雪崩二极管检测器的后面以获得增益，线性信号处理及噪声宽带的抑制。
The absorbing grating in front of detector decreases the requirement of resolution for detector.
探测器前加上分析光栅降低了对探测器的要求。
The SwRI team, led by space physicist David McComas, was starting up IBEX's high-speed particle detector just as the moon passed in front of its field of view.
由太空物理学家大卫·麦科马斯带领的西南研究院科研小组，正在启动 IBEX 上的高速粒子探测器，这时月球正好在该探测器的视野前经过。
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