摘要：
SSB-AM SSB-AM is derived from DSB-AM by eliminating one of the sidebands. Therefore,it occupies half the bandwidth of DSB-AM. Depending on the sideban 阅读全文
摘要：
Amplitude Modulation (AM) Amplitude modulation (AM), which is frequently referred to as linear modulation, isthe family of modulation schemes in which 阅读全文
摘要：
Frequency-Hopped Spread Spectrum In frequency-hopped (FH) spread spectrum the available channel bandwidth W is subdividedinto a large number of nonove 阅读全文