生成Nbit的golay互补码，注意输入的码长数值必须是2^n，输出为2*n的矩阵。包含源代码和输出波形图。(This function is designed for generating a N-bit Golay complementary code sequence. The syntax is "y=GolayCodeNbit(N)", where N is pattern of 2^n. The output result, y, is an output m