加性高斯白噪声信道 meaning in English
additive white gaussian noise channel
Examples
- Subsequently the channel was modeled for three types namely additive white gaussian noise , flat fading and frequency selective fading . lastly , the receiver was studied
接下来信道建模成三种不同的类型，即加性高斯白噪声信道、平坦衰落信道和频率选择性衰落信道。 - First , the traditional speech detection method based on short - time energy is discussed , including its principle and implementation . then it is used for the jumping - off point detection of speech signals transmitted by awgn channel . simulation results are provided
包括该方法的原理、实现，并将其应用于加性高斯白噪声信道干扰下的语音信号起点检测实验，给出了实验的统计结果。 - In the point of - information theory ; - the - baseband binary pulse amplitude modulated ( pam ) signal transmission , via turning the nonlinear receiver ' s parameters , is studied over an additive white gaussian noise ( awgn ) channel . it is demonstrated that the channel capacity of binary communication systems , for a given signal added noise , can be maximized by optimal designed receivers . this new form of sr is referred to as psr in a broad sense
本文研究并设计了含有双稳态随机共振系统作为一个接收装置的基带数字通信系统，在加性高斯白噪声信道中，通过研究这个非线性接收器的性能，发现了数字信号传输中存在的参数调节随机共振现象?信道容量随着系统响应速度的增加具有一个共振峰值，并对这种非线性现象发生的基本机理进行了解释。 - Appropriate data compression methods are needed to assure the random nature of the information source and to enlarge its entropy . in this thesis , first , we present the theory of sess system , then the acquisition method of sess system is discussed in detail , finally , a acquisition model of sess system is built and simulated in the awgn channel , in the raleigh fading channel and in multi - address interfere condition . the simulation results show the acquisition method of sess system can be just as reliable as the conventional dsss systems
本文首先对自编码扩频通信的基本原理,自编码扩频序列的产生方法及其产生的序列的特性进行了概述,然后详细讨论了直扩通信系统中的扩频码的捕获跟踪问题,根据自编码扩频通信的特点,设计了其捕获跟踪方案,并在加性高斯白噪声信道、瑞利衰落信道和多址干扰情况下进行了仿真。 - Second , this paper design the simulation scheme of bicm for comparing the performance over fading channel and awgn channel that combine 2 / 3 rate , 4 states punctured convolutional code with 8psk modulation , matching block interleave or random interleave , transform through rayleigh channel or awgn channel and use the way that combine coherent demodulation with viterbi decoding in receiver . design the scheme of bicm _ id that use the iterative decoding technique and the scheme of tcm for compare
为了验证bicm和bicm _ id在衰落信道和加性高斯白噪声信道( awgn )下的性能,设计了一个2 / 3码率, 4状态的凿孔卷积码经过块交织或随机交织,与8psk调制相结合,在rayleigh信道下或awgn信道下传输,接收端采用相干解调与维特比译码相结合的bicm方案,在接收端引入迭代反馈译码的bicm _ id方案,以及与之相比较的tcm方案。