2D-dct 压缩图像后，通过QPSK,AWGN信道编码传输后，Idct解压缩回原始图像，适用于任何图像-Using dct to compress the orginal image, I use zigzag program, quantization, dct compression, then change the vector to bineary bit to pass through the QPSK channel. And from the binary array, I us