... quadrature by parts ==> 区分求积 quadrature carrier ==> 正交载波 quadrature chrominance signal ==> 正交彩色信号 ...
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正交载波多路复用 quadrature carrier multiplexing
正交载波幅度调制 QAM
多制式正交多载波 MOMC
正交副载波电压 [电子] [通信] quadrature subcarrier voltage
正交调制载波 quadrature-modulated carrier
多载波正交频分多路 Orthogonal FDM ; OFDM
正交相位副载波信号 quadrature phase subcarrier signal
双载波-正交频分复用 Dual Carrier Orthogonal Frequency Division Multiplexing
置多载波正交频分多路 Orthogonal Frequency Division Multiplex
对码率2 / 3格形编码的8DPSK OFDM在时间色散信道中的误码率性能进行了分析和模拟，讨论了不同正交载波数情况下格形编码的设计。
The BER performance of rate 2/3 trellis coded 8DPSK OFDM over time dispersive channels is simulated. The design of trellis codes at different carriers numbers of OFDM is discussed.
载波同步是正交频分复用系统的一项关键技术。
Carrier frequency synchronization is one of the key techniques of OFDM system.
为克服低压电力线信道的频率选择性和时变性，系统采用正交多载波方式传输信息。
Orthogonal Multi-Carrier Modulation(OMCM) is adopted to overcome the frequency selectivity and time variation of low-voltage power line channel.
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