基于位置敏感探测器的微位移测量关键电路设计
位置敏感探测器PSD(Position Sensitive Detector PSD)具有位置分辨精度高(可达1~2 μm)、输出实时性好(响应时间约几微秒)、系统简洁的特点,在位置探测及相关领域内获得了广泛的应用;但PSD的输出信号小,易受到电路噪声的影响,若要充分发挥其性能,则需要高精度、...
位置敏感探测器PSD(Position Sensitive Detector PSD)具有位置分辨精度高(可达1~2 μm)、输出实时性好(响应时间约几微秒)、系统简洁的特点,在位置探测及相关领域内获得了广泛的应用;但PSD的输出信号小,易受到电路噪声的影响,若要充分发挥其性能,则需要高精度、...
This program provides an example of how to configure the C8051F02x device to operate from an external 22.1184MHz crystal attached to the XTAL1 andXTA...
锁相回路可视为一个输出相位和输入相位的回授系统用以同步输入参考讯号和回授后输出信号。并让其操作同样的频率。如(图一)所示,简单锁相回路[3,4]是由三个电路构成,分别为相位侦测器(Phase Detector)、回路滤波器(Loop Filter)、压控荡器(VCO)...
A new blind adaptive multiuser detection scheme based on a hybrid of Kalman filter and subspace estimation is proposed. It is shown that the detector...
It may analyze the window structure, the advancement and the window news, has the very greatly auxiliary function to the development work. When we nee...