新型接口包括有应变放大器和由微机程控的多路自动转换器。
The novel interface equipments consist of a strain-amplifier and a programming multiple channel auto-switcher.
本应变测量系统由仪表放大器ad623和电压电流变送器XTR115构成，实现弱信号放大和电流环信号传输。
The measuring system is composed of instrumental amplifier AD623 and transmitter XTR115 to amplify weak signal and transmit current loop signal.
报道了基于混合应变多量子阱有源材料的半导体光放大器及其增益特性。
Semiconductor optical amplifier with mix strained quantum well active material and its gain performance are reported.
采用应变计作为压力敏感元件，采用集成仪表放大器对微信号进行放大。
A strain gauge is used as a pressure sensor and an integrated instrument amplifier is used as amplify signals.
在动态应变信号测试中，经常需要根据信号的幅值不断调整放大器的放大倍数，测量电路复杂，精度低。
Measuring the dynamic strain involves the constant modification of gain, as determined by the signal amplitude. This practice suffers from the complex test and the low accuracy.
在动态应变信号测试中，经常需要根据信号的幅值不断调整放大器的放大倍数，测量电路复杂，精度低。
Measuring the dynamic strain involves the constant modification of gain, as determined by the signal amplitude. This practice suffers from the complex test and the low accuracy.
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