对JPEG2000压缩编码后的码流文件用matlab进行RS信道编码，再BSC信道仿真，RS解码，计算PSNR- with JPEG2000 code stream file， using matlab to simulated the RS channel coding, and then BSC channel simulation, RS decoding, calculation of PSNR

Its a convolutional encoder with code rate of 1/2 and constraint length of 3. i/p=1 bit o/p=2 bits with 4 memory elements