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1) multipath fading channel 点击朗读

多径衰落信道

A fast and reliable technique with high performance for timing and frequency synchronization of multiple-input multiple-output(MIMO) orthogonal frequency division multiplexing(OFDM) system is proposed in multipath fading channel.

利用所有发送天线同时发送的移位正交chu序列对已有的定时和频偏估计算法加以改进,提出了一种在多径衰落信道下具有高精度的快速多入多出-正交频分复用(MIMO-OFDM)系统定时和频偏估计新方法。

In multipath fading channel, the bit error rate (BER) performance of orthogonal frequency division multiplexing (OFDM) system using frequency domain differential detection (FDDD) is analyzed, the closed form expression of BER performance of FDDD is obtained.

在多径衰落信道条件下,分析了符号间干扰对频域差分正交频分复用系统误码率性能的影响,得到了误码率的解析表达式,分析和仿真的结果表明,频域差分的误码率性能受到符号间干扰的影响,但在不同的信道条件下,符号间干扰对系统性能的影响程度也有不同。

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2) multi-path fading channel 点击朗读

多径衰落信道

A blind estimation method for the frequency offset and the symbol timing error in a frequency-selective multi-path fading channel is proposed.

提出一种适合于频率选择性多径衰落信道的频率偏移和符号定时误差的盲估计方法,该方法主要利用由过采样接收信号所引入的二阶循环平稳特性。

Aiming at the effect of residual carrier frequency offset (RCFO) to OFDM systems,the paper analyzes three common estimation methods of pilot assisted (PTA) RCFO:SK method,WJJ method and SYJW method,and compares their function in multi-path fading channel.

针对剩余载波频率偏移对OFDM系统性能的影响,分析了OFDM系统中常见的三种导频辅助剩余载波频率偏移的估计算法:SK算法、WJJW算法和SYJW算法,并比较了它们在多径衰落信道环境下的性能。

更多例句>>

3) multipath fading channels 点击朗读

多径衰落信道

The bit error rate(BER) performances of two kinds of multiple access differential chaos shift keying(MA-DCSK) systems over multipath fading channels are investigated.

研究了两种多址差分混沌键控(Multiple access differential chaos keying,MA-DCSK)通信系统分别在瑞利以及莱斯多径衰落信道下的误码率(Bit error rate,BER)性能。

The demodulation performance of OFDM systems in multipath fading channels was improved with an algorithm utilizing a feedback loop based on adaptive Wiener deconvolution.

为改进正交频分复用(OFDM)系统在多径衰落信道下的解调性能,提出了基于自适应Wiener反卷积滤波反馈环路的接收算法,对多径衰落信道进行白化处理,使处理后的信道噪声接近于加性高斯噪声(AWGN)。

A novel Discrete Wavelet Packet Modulation(DWPM) system based on Fractionally Spaced Equalizers(FSE) and the Maximum Likelihood(ML) algorithm is studied for multipath fading channels.

在多径衰落信道下,提出了一种基于ML的新型离散小波包调制系统。

更多例句>>

4) Rayleigh multipath fading channel 点击朗读

Rayleigh多径衰落信道

In this paper, the bit-error-rate(BER) performance of the asynchronous direct-sequence CDMA(DS/CDMA) multiuser system in a wireless radio communications environment characterized by Rayleigh multipath fading channels is investigated.

研究了Rayleigh多径衰落信道下的直扩 /码分多址 (DS/CDMA)多用户系统的误码率。

5) multi-path fast fading channel 点击朗读

多径快衰落信道

6) Block-Fading Multi-path Channel 点击朗读

慢衰落多径信道

补充资料：多用户信道容量

　　见信道容量。
　　

说明：补充资料仅用于学习参考，请勿用于其它任何用途。

参考词条

时变多径衰落信道多径衰落信号多径衰落衰落信道信道衰落两径瑞利衰落信道抗多径衰落

时变多径Rayleigh衰落信道多径瑞利衰落信道

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	您的位置：首页 -> 词典 -> 多径衰落信道 1) multipath fading channel 多径衰落信道 1. A fast and reliable technique with high performance for timing and frequency synchronization of multiple-input multiple-output(MIMO) orthogonal frequency division multiplexing(OFDM) system is proposed in multipath fading channel. 利用所有发送天线同时发送的移位正交chu序列对已有的定时和频偏估计算法加以改进,提出了一种在多径衰落信道下具有高精度的快速多入多出-正交频分复用(MIMO-OFDM)系统定时和频偏估计新方法。 2. In multipath fading channel, the bit error rate (BER) performance of orthogonal frequency division multiplexing (OFDM) system using frequency domain differential detection (FDDD) is analyzed, the closed form expression of BER performance of FDDD is obtained. 在多径衰落信道条件下,分析了符号间干扰对频域差分正交频分复用系统误码率性能的影响,得到了误码率的解析表达式,分析和仿真的结果表明,频域差分的误码率性能受到符号间干扰的影响,但在不同的信道条件下,符号间干扰对系统性能的影响程度也有不同。更多例句>> 2) multi-path fading channel 多径衰落信道 1. A blind estimation method for the frequency offset and the symbol timing error in a frequency-selective multi-path fading channel is proposed. 提出一种适合于频率选择性多径衰落信道的频率偏移和符号定时误差的盲估计方法,该方法主要利用由过采样接收信号所引入的二阶循环平稳特性。 2. Aiming at the effect of residual carrier frequency offset (RCFO) to OFDM systems,the paper analyzes three common estimation methods of pilot assisted (PTA) RCFO:SK method,WJJ method and SYJW method,and compares their function in multi-path fading channel. 针对剩余载波频率偏移对OFDM系统性能的影响,分析了OFDM系统中常见的三种导频辅助剩余载波频率偏移的估计算法:SK算法、WJJW算法和SYJW算法,并比较了它们在多径衰落信道环境下的性能。更多例句>> 3) multipath fading channels 多径衰落信道 1. The bit error rate(BER) performances of two kinds of multiple access differential chaos shift keying(MA-DCSK) systems over multipath fading channels are investigated. 研究了两种多址差分混沌键控(Multiple access differential chaos keying,MA-DCSK)通信系统分别在瑞利以及莱斯多径衰落信道下的误码率(Bit error rate,BER)性能。 2. The demodulation performance of OFDM systems in multipath fading channels was improved with an algorithm utilizing a feedback loop based on adaptive Wiener deconvolution. 为改进正交频分复用(OFDM)系统在多径衰落信道下的解调性能,提出了基于自适应Wiener反卷积滤波反馈环路的接收算法,对多径衰落信道进行白化处理,使处理后的信道噪声接近于加性高斯噪声(AWGN)。 3. A novel Discrete Wavelet Packet Modulation(DWPM) system based on Fractionally Spaced Equalizers(FSE) and the Maximum Likelihood(ML) algorithm is studied for multipath fading channels. 在多径衰落信道下,提出了一种基于ML的新型离散小波包调制系统。更多例句>> 4) Rayleigh multipath fading channel Rayleigh多径衰落信道 1. In this paper, the bit-error-rate(BER) performance of the asynchronous direct-sequence CDMA(DS/CDMA) multiuser system in a wireless radio communications environment characterized by Rayleigh multipath fading channels is investigated. 研究了Rayleigh多径衰落信道下的直扩 /码分多址 (DS/CDMA)多用户系统的误码率。 5) multi-path fast fading channel 多径快衰落信道 6) Block-Fading Multi-path Channel 慢衰落多径信道补充资料：多用户信道容量　　见信道容量。　　说明：补充资料仅用于学习参考，请勿用于其它任何用途。参考词条时变多径衰落信道多径衰落信号多径衰落衰落信道信道衰落两径瑞利衰落信道抗多径衰落

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