A data collection card for distributed optical fiber temperature measurement system

The utility model provides a data collection card for distributed optical fiber temperature measurement system, include: include: signal input unit, AD translation unit, signal processing unit, communication unit and main control unit and display terminal, the signal input unit is connected with AD translation unit, signal processing unit includes that buffer module, cluster and conversion module,FIFO arithmetic unit, clock generator, FIFO read write control ware, progressive average module, wavelet are just alternateing module, coefficient processing module, wavelet inverse transformation module, SPI protocol controller, buffer module, cluster and conversion module, FIFO arithmetic unit, progressive average module, wavelet are just alternateing module, coefficient processing module, wavelet inverse transformation module, SPI protocol controller and are connecting gradually, clock generator, FIFO read write control ware, FIFO arithmetic unit connect gradually, AD translation unit connects the buffer module, t