In order to settle them, a simple modulation scheme based on mathematical construction is proposed in this paper. 针对矩阵变换器现有调制策略复杂、计算量大的问题,提出一种基于数学构造的矩阵变换器调制策略。
Topology Mechanism and Modulation Scheme of a New Multilevel Voltage Source Converter Modular 新型多电平电压源换流器模块的拓扑机制与调制策略
A Novel Pulse Width Modulation Scheme for Cascaded Multilevel Inverter Research of Vector Control of Speed Regulation System Based on Cascade Multilevel Inverter 用于级联型多电平变换器的新型脉宽调制方法级联型多电平变换器调速系统矢量控制的研究
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。
In this paper, a new modulation scheme which combines the grid coding with the CCK modulation is proposed. 文中一个新的调制方案是把网格编码和CCK调制结合起来提出来的。
When used for multiplexing, it is a coding and modulation scheme. 当用于复用时,可以作为一种特殊的编码调制方法。
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。
CSK is proposed as a new modulation scheme, in which BCP is employed as spreading sequences. 互补序列键控(CSK)作为一种新的调制方式,采用二进制互补对(BCP)作为扩频序列。
VSC for renewable energy generation integration Topology Mechanism and Modulation Scheme of a New Multilevel Voltage Source Converter Modular 一种适用于新能源发电接入电网的电压源换流器新型多电平电压源换流器模块的拓扑机制与调制策略
The measuring results demonstrate that the modulation scheme meets the requirements of practicability and general utilization. 测试结果表明,该方案开放性好,结构简单,体积小,具有一定的实用性和通用性。
Novel 3-D Space Vector Modulation Scheme for Three-phase Four-wire Tri-level Converter 三相四线制三电平变换器新型三维矢量调制策略
Interleaved Dual-Edge Modulation Scheme for Double-Input Buck Converter 双输入Buck变换器的交错双沿调制方法
Employing the modulation scheme Non-coherent Frequency Shift Keying ( NFSK), the existence of the optimal transmission strategy is proved, and a repeated dynamic game is proposed. 针对非相干频移键控调制方式,证明最优传输策略的存在性,提出一个重复的动态博弈。
The modulation scheme and the coding rate are adaptively changed according to the downlink channel quality feedback. 在HSDPA系统中,其调制方式和编码可以随着下行链路的质量状况自适应改变。
This paper focuses on the OFDM channel coding and modulation scheme based on IEEE 802.16d. 本文主要研究IEEE802.16d标准中OFDM信道编码和调制方案。
The paper presents a square wave modulation scheme based on TDMA signal system to resolve the problem. Also it can avoid the high speed system clock. 该文提出了一种基于TDMA信号体制下的方波调制方案,该方案既解决了远近效应,又避免了在较高的中频上采用过高的系统时钟。
Adaptive modulation scheme for multicarrier modulation system 多载波调制系统中的自适应调制方法
In this paper, the key technologies in UWB such as signal format, modulation scheme, channel model and Rake receiver are analyzed firstly. 本文在对UWB技术中的信号形式、调制方式、信道模型和Rake接收等关键技术进行全面分析的基础上,提出了两种较为成型的UWB无线通信系统。
A multiple parameter modulation scheme based on self synchronizing chaotic system is presented in this paper. 提出了一种基于混沌自同步属性的多参数调制方案。
Turbo product codes and adaptive coded modulation scheme are two key technologies in wireless LAN. 在高速无线局域网通信领域中,Turbo乘积码和自适应编码调制是两项关键技术。
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。
Finally, this dissertation proposes a low complexity adaptive modulation scheme for VBLAST-OFDM system. 最后,提出了一种低复杂度的VBLAST-OFDM系统自适应调制方案。
This paper introduces an efficient Turbo coded modulation scheme, analyzes adaptive algorithms in the high speed data transmission system. Finally, the adaptive coded modulation scheme using Turbo product codes is given. 介绍了Turbo乘积码高效编码调制设计方案,研究了适应于高速无线数据传输的自适应策略算法,设计了基于Turbo乘积码的自适应编码调制方案,并实现了两项关键技术的结合。
A noncoherent, bandwidth-efficient modulation scheme is proposed for frequency-hopping communication system. 针对跳频通信系统,提出一种非相干的,高频带利用率的调制方案。
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。
The difficulty lies in the RF front-end in a UWB communication system. The modulation scheme and system structure determine the complexity and power consumption of the system. 超宽带通信系统的难点在于射频前端,它所采用的调制方式和系统结构决定了系统的复杂度和功耗。
An adaptive modulation scheme on the channels 'state of the system has been designed to increase the spectrum efficiency of the system. 基于提高系统频谱利用率要求,针对系统信道状态设计了系统自适应调制方案。
The mainly work is described as follows: 1 、 A joint source-channel coding and modulation scheme is presented. 主要获得以下几方面的成果:1、提出了一种信源-信道联合编码调制的方案。
The adaptive power allocation algorithm and modulation scheme for adaptive OFDM systems are studied subsequently. 其次研究了自适应OFDM系统的功率分配及自适应调制算法。