MT402是一种单声道USB麦克风方案，内置sigma-delta ADC、麦克风前置增益放大器、 锁相环、音量增益调节器和USB收发器。它是非常适合USB电脑麦克风录音的应用。即插即用，无需安装驱动程序。-MT402 is a mono USB microphone solutions built sigma-delta ADC, microphone pre-amplifier gain, PLL, volume gain regulator and USB transceiver.

华能东方电厂1号机励磁系统建模试验报告，通过对励磁调节器各环节测试，进行仿真实验，并经过模型校核。-Huaneng Power Plant No.1 Oriental Excitation System Modeling experiments reported by all sectors of the field regulator testing, simulation experiment, and after checking the model.

在过程控制中，按偏差的比例（P）、积分（I）和微分（D）进行控制的PID控制器（亦称PID调节器）是应用最为广泛的一种自动控制器。(In the process control, the PID controller (also called the PID regulator), which is controlled by the proportion of deviations (P), integral (I) and differential (D), is the most wide