Orthogonal frequency division multiplexing ( OFDM ) is a bandwidth - efficient modulation scheme with robustness to frequency selective fading.

正交频分复用 ( OFDM ) 具有良好的抗频率选择性衰落性能和充分的带宽利用率.

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A coded modulation scheme for concatenated simple parity - check ( SPC ) codes and QAM modulation is studied.

研究级联简单奇偶校验 ( SPC ) 码与QAM调制 的联合优化.

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Satellite and cable digital television broadcasting which are used widely usually adopt single carrier modulation scheme.

卫星和有线数字电视广播一般采用单载波的调制方式.

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The number of discrete signal elements that can be transmitted in a given modulation scheme.

在给定调制电路中能被传送的离散信号码元数.

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Reduction of Conducted EMI in switching power supplies using chaotic frequency modulation scheme ( CFMS ) is proposed.

利用混沌频率 调制技术 从噪声产生源头上降低了开关电源传导电磁干扰.

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Proposes a variable rate modulation scheme for wideband data transmission on the Rayleigh fading channelspectral efficiency.

探讨了宽带移动通信传播环境中,瑞利衰落信道对固定速率调制的影响,并研究了变速率调制在宽带瑞利衰落信道中的可行性.

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Therefore, we use unipolar switching pulse width modulation scheme to realize a filterless Class - D power amplifier.

因此, 我们利用单极性切换脉波宽度调变技术去实现无滤波器之D类放大器.

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An all - optical light modulation scheme based on improved prism - waveguide coupling method is developed.

提出了一种基于改进的棱镜 - 波导耦合技术实现全光调制的方法.

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The chaotic keying modulation scheme is the compromise between the capability of security and the realization.

混沌键控调制方案在某种程度上是保密性和实现复杂性的折衷.

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