In this system, the signal from the HgCdTe detector amplifier is directly put into A/D interface of a computer, thus making the system keep a higher resolution.
该系统将经过放大的碲镉汞红外元件输出的图象电压直接迭计算机，保持了较高的温度分辨率；
A new micro-ampere detector, which USES the data amplifier to enlarge the weak signal, is developed according to the principle of the ampere detection and the potentiostat.
根据安培检测和恒电位器原理，利用数据放大器采集放大微弱信号，研制了一种新型微安培检测器。
The toroidal core was excited by sharp pulse current. The sensor circuit is composed of peak value detector, Butterworth low-pass filter and differential amplifier.
磁芯采用高频脉冲电流励磁，信号处理电路由峰值检波、低通滤波及差动电路构成。
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