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。
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.
下位机以80C196KC为核心，外扩程序存储器、数据存储器、I/O接口电路和模拟信号放大器等电路。
On the core of 80C196KC, the single-chip-computer is extended for program store, data store, I/O interface circuit and analog signals amplifier etc.
利用锁相放大器追踪测量信号，微机自动扫描、采集和处理数据。
It USES a lock-in amplifier for testing the signal and a personal computer for automatic data scanning, collecting and processing.
收发信机可接收基带数据和控制信息，以及向功率放大器提供射频信号。
The transceiver may receive baseband data and control information and provide RF data to the power amplifier.
本发明的另一方面在于包括接收基带数据并提供射频信号给功率放大器的收发信机的设备。
Another aspect of the present invention resides in an apparatus that includes a transceiver to receive baseband data and to provide RF data to a power amplifier.
选择适合的压力、扭力传感器，开发单片机控制电路、小信号放大器，应用PC机并配合多功能数据采集卡完成数据采集与处理。
Select the appropriate pressure and torque sensors, develop SCM control circuit and small-signal amplifier, do data acquisition and Processing by PC and multifunctional data acquisition card.
差分放大器的输出进行A/D转换，由CPU进行信号显示和数据存储。
The output of differential amplifier would take A/D transform, and CPU would take signal process and display and restore data.
研究了连接动态压力传感器的信号线长度、放大器的滤波频率和数据采集系统的采样频率对空气压力波测量的影响。
The effects of the signal line length, the filter and the sampling frequencies on measuring air pressure pulse were studied in this paper.
其浮点放大器根据输入信号范围，放大适当的倍数，保证了数据采集系统的动态测量范围；
According to input signal range, the float-point amplifier enlarges suitable multiples to ensure the dynamic extension;
在需要回放时，再由单片机控制提取RAM中的数据，通过D/A转换器将数字信号转换为模拟信号，通过功率放大器将语音信号还原后回放出来。
When this system needs to playback, data is gotten from RAM, and it transforms into the analog signal through the D/A switch. Moreover through the power amplifier, the voice signal can be recovered.
在需要回放时，再由单片机控制提取RAM中的数据，通过D/A转换器将数字信号转换为模拟信号，通过功率放大器将语音信号还原后回放出来。
When this system needs to playback, data is gotten from RAM, and it transforms into the analog signal through the D/A switch. Moreover through the power amplifier, the voice signal can be recovered.
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