In this system, the signal from the HgCdTe detectoramplifier 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；
2
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。
3
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.