Digital lock - in amplifier based on dsp and sampling adc 的数字锁定放大器
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The precise measurement of microwave antenna pattern with lock in amplifier 利用锁定放大器实现微波天线方向图的精确测量
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Locking magnifier technology used in cable insulation on - line monitoring system 锁定放大器技术在电缆绝缘在线监测系统中的应用
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Lock - in amplifiers 锁定放大器
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It introduces the method of modulated light subtracting infrared radiation of atmosphere and background as well as the method of phase - lock - loop detecting feebleness signal 采用光路差分调制的方法实时扣除背景红外辐射，并采用锁定放大器进行微弱信号的检测。
