modulation scheme

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.

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.

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.

The paper presented a new Turbo coded modulation scheme using a bit by bit MAP algorithm.

给出了一种基于逐比特MAP算法的Turbo编码与多元调制相结合的编码调制方式。

In this theme, the modulation scheme of the low-frequency elastic wave through-the-earth communication system and the realization related to the system for hardware and software is a great platform for the further work. The result provides available experience in future to use the technique.

本文介绍的低频弹性波透地通信的调制方案以及相关的软硬件实现，为后续的研究工作做了一个铺垫，提供了一定的借鉴经验。

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.

Automatic modulation scheme recognition is the bottleneck of designing multi-modulation scheme software radio receiver. An automatic modulation scheme recognition algorithm called modulation model is presented in this paper.

针对多制式软件无线电接收机设计中的瓶颈问题&自动制式识别算法，本文西安理工大学硕士学位论文提出了一种简单有效的调制模型白动制式识别算法。

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.

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

探讨了混沌频率调制技术在开关变换器中抑制电磁干扰的实际效果。

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.

The primary causation for the problem that phase current during reverse braking out of control is a short loop by the back electromotive force, and it proposes a double switching modulation scheme that can control braking current effectively.

指出在反接制动中电动势短接回路的存在是造成再生电流失控的根本原因，并提出了相应的双管调制策略。

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.

Carrier frequency and modulation scheme are two key issues in the system design of automotive anticollision radar.

工作频段和工作体制是防撞雷达系统设计的两个主要问题。