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汉语拼音：zài bō

在有线电和无线电技术中，用要传送的信号去调制另一个高频信号，使已调制的高频振荡中载有调制信号所包含的信息，然后发送出去。这种被调制的高频信号叫做载波。

1. 在有线电和无线电技术中，把不直接发射的音频(低频)信号加在高频电波上，以便发出去，这种方法叫做载波。

• The carrier wave has got out of phase with the signal wave.

  载波同信号波是异相的.

• This system of modifying the carrier waves is called " Amplitude Modulation, " or " AM ".

  这个改变载波的系统称为 “ 振幅调制 ” 或缩写为 “ AM ”.

• Each small peak in the carrier would travel to the right with the usual phase velocity.

  载波中的每个小峰都以通常的同相速度向右方运动.

• A joint algorithm is proposed based on cyclic prefix and virtual carriers.

  提出了一种基于循环前缀和虚载波的联合算法.

• The performance of this PAPR reduction scheme is investigated by simulations.

  通过仿真考察了该映射方案在降低多载波信号峰均比方面的性能.

• Then, an algorithm based on pilot subcarriers and virtual subcarriers is proposed.

  因此, 本文提出了利用导频子载波和虚拟子载波的波束成形算法.

• Orthogonal frequency division multiplexing ( OFDM ) is a multi - carrier modulation method .

  正交频 分多路 复用是一种 多载波调制 技术.

• Orthogonal frequency division multiplexing ( OFDM ) is a special multi - carrier transmission technology.

  正交频分复用 ( OrthogonalFrequencyDivisionMultiplexing, OFDM ) 是一种特殊的 多载波 传输技术.

• Briefing of initial experimental study on optical carriers is also given.

  扼要介绍关于光频载波的初步的实验研究工作.

• This paper presents an adaptive RF predistorter to linearize multi - carriers power amplifiers.

  本文提出一种线性化射频 多载波 高功率放大器的自适应射频预失真器.

• MC - CDMA is an integrated technology of OFDM and CDMA.

  多载波码分多址(MC-CDMA)技术是OFDM与CDMA技术 结合方案小的一种.

• When no data being transmitted, no carrier signal is on the line.

  因此,在无数据传输时, 线路无载波.

• Then study some typical carrier synchronization algorithm and symbol synchronization algorithm.

  接着研究了一些典型的载波同步算法和符号同步算法.

• This algorithm is very suitable for application to burst digital transmission.

  该算法适用于要求载波相位估计时延很短的突发通信.

• In the end , we validate the capability of suppressing multi - access interference.

  验证了码分多址系统中小波包 多载波调制 良好的抗多址干扰能力.