提出了一种实现MPSK(多进制相移键控)调制系统的新方法。
A novel design and implementation approach to the modulation system of MPSK has been proposed in this paper.
通过信道容量分析，得出多进制通道的可行性，并设计三种通道实现方式；
Through analysis of the channel capacity, the feasibility of multi-state channel was proved and three types of multi-state channel was designed;
其中多进制调制，不仅能够提高频谱利用率，并且能保证较小的频谱占用率。
Multimode modulation is a good method to increase the frequency efficiency and to maintain smaller frequency occupancy rate.
对基于多进制低密度奇偶校验(LDPC)码的分布式视频编码性能进行研究。
This paper researches distributed video coding performance based on n-nary Low Density Parity Check (LDPC) code.
多进制小波是直接对标准二进制小波的综合，广泛应用于信号处理和影像压缩处理等领域。
The M-band wavelet decomposition, a direct generalization of the standard 2-band wavelet decomposition has been applied to the problems of processing signals and compressing images.
为在较复杂网络状况下，有效提高隐蔽信道的容量，提出了多进制网络时间隐蔽信道的设计。
For improving the capacity of covert channel in complex network situation, multi-state network covert timing channel was proposed.
本文主要阐述了多进制ldpc码的编译码原理，并介绍了一种可简化译码的傅立叶变换译码算法。
This paper mainly expound the encoding and decoding principle of Q - ary LDPC codes, and introduce a Fourier transform decoding method with low complexity.
仿真实例结果表明，提出的三种多进制网络时间隐蔽信道具有较高的信道容量，各有特点和实用价值。
The results of simulation show that the proposed multi-state network covert timing channels with higher channel capacity and all have their own characteristics and the practical value.
从三进制数字基带信号入手，结合二进制，利用交变波、稳态波分析了任意多进制数字基带信号的频谱特性。
This article proceeded with tri - nary baseband signal combining with binary ones, and then analyzed multi -nary digital baseband signal's frequency spectrum based on alternating wave and steady wave.
在对两种多进制调制方式进行分析的基础上，分别给出了系统误符号率(SER)的表达式并进行了仿真比较。
Based on analyzing the two multiple modulation schemes, the expressions of symbol error rate (SER) are presented and the system performances are compared.
以多进制相位调制方式采用这种波形结构进行了仿真实验和湖水试验，都获得了比传统的波形结构更低的误码率。
Emulate experiments and lake experiment obtained lower error code rate than traditional waveform design method using this waveform structure with multiple phase shift key modulation.
在研究其产生机理的基础上，进一步提出了用多涡卷混沌系统实现多进制数字混沌键控(MDCSK)的一种方案。
Based on the study of their generating mechanism, a novel scheme of multi-level digital chaos shift keying (MDCSK) via multi-scroll chaotic systems is presented.
同时，与等价编码速率的二进制ld P C码进行了性能比较，分析了多进制ldpc码的纠错性能和译码复杂度。
Their performance is compared with that of binary LDPC codes with same coding rates over AWGN channel by BPSK modulation and 8psk modulation.
本文在不减少其最小平方欧氏距离的前提下，提出了多进制CPFSK的减少状态格状图，从而减少了维特比的译码复杂度。
In this paper, a reduced-state trellis for M-ary CPFSK is presented under the condition that the MSED is not reduced therefore the complexity of Viterbi decoding is reduced.
本文在不减少其最小平方欧氏距离的前提下，提出了多进制CPFSK的减少状态格状图，从而减少了维特比的译码复杂度。
In this paper, a reduced-state trellis for M-ary CPFSK is presented under the condition that the MSED is not reduced therefore the complexity of Viterbi decoding is reduced.
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