About ISHII SATORU
About トランジスタ技術
About radio transmission
About data communication
About multiplex communication
About PSK(signal)
About quadrature modulation
About modulator-demodulator
About Modulation and demodulation systems
About Radio communication in general
About 多重化
About IQ
About 直交変調
About ディジタル変調
About 基礎
About PSK