CDMA2000,复扩频， 输入I、Q两路各384个信息比特，经过WALSH码调制和短PN码扩频，I、Q两路各输出384*64个信息比特。-CDMA2000, complex spread-spectrum, type I, Q of the two information bits 384, after WALSH short PN code modulation and spread spectrum code, I, Q output of the two 384* 64 bits of