脉搏信号微弱、敏感、易受干扰,因此为了消除脉搏测试中的各种噪声,设计了隔离电路和多重滤波电路。
Weak pulse signal, sensitive, vulnerable to interference, in order to eliminate the noise pulse test, the isolation circuits and multiple filter circuit design.
针对某型号磁电式角度传感器的测试要求,设计了一种基于DAQ 2204数据采集卡的微弱信号采集与分析系统。
In accordance with the requirements in the test of a certain magnetoelectric Angle sensor, weak signal acquisition and analysis system based on DAQ2204 data acquisition card is introduced.
测试数据处理采用了一些微弱信号检测技术来提高信噪比,从而提高了该系统的检测精度。
In the data processing system, methods for Weak signal detection are adopted to improve the accuracy.
仿真与实际测试结果表明,该方法能有效提取远距离微弱激光脉冲回波信号,从而提高系统信噪比,扩大了系统原有的测程。
Simulation and actual test result shows that the new arithmetic could detect weak laser pulse signal effectively, increase the SNR and expand measuring range of laser range finder.
仿真与实际测试结果表明,该方法能有效提取远距离微弱激光脉冲回波信号,从而提高系统信噪比,扩大了系统原有的测程。
Simulation and actual test result shows that the new arithmetic could detect weak laser pulse signal effectively, increase the SNR and expand measuring range of laser range finder.
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