串口光隔离通信和PCM通信，主要解决长距离传输-Serial Port Optical Isolator PCM communications and communications, mainly to solve the long-distance transmission

Wavelet Thresholding Techniques for Power Spectrum Estimation Pierre Moulin Bell Communications Research 445 South Street Morristown, NJ 07960 email: moulin@bellcore.com tel (201) 829-5021 fax (201) 829-4391 August 1993 to appear

感觉还可以与大家分享一下，呵呵(The feeling can also share with you, ha ha)