这个VC程序可用来产生贝塞尔函数表，可用在高频的调制解调上，可以通过查相应的表来得知调相信号中调制度的大小-the VC program can be used to generate tables of Bessel functions, can be used in high-frequency modulation and demodulation. can check to the corresponding table was informed Phase signal transfe