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- The signals of 4F4T4PSK system are transmitted in the time-varying channels, and the output of the channels includes additive white noise and the sum of singals on several paths with different time delays, frequency shifts and arrival angles. 4F4T4PSK系统在时变信道上传输信息,信道输出为加性噪声和多条具有不同时延、不同频移和不同到达角传播路径信号的总和。
- The phenomenon of noise-induced transport of Brownian particles in periodic and quasi-periodic systems with coupling between multiplicative colored noise and additive white noises is investigated. 在含有耦合的乘性色噪声和加性白噪声的周期性和准周期性系统中,我们分析了噪声诱导的布朗粒子的输运现象。
- The mean first-passage time for an asymmetric bistable system driven by multiplicative colored and additive white noise with a correlated noise 色噪声驱动的非对称双稳系统的平均首次穿越时间
- additive white noise 加性白噪声
- W is a zero mean white noise source. W是一个零均值的白噪声源。
- White noise is a good masking agent. 白噪声是一种很好的掩蔽声。
- The function of receiver resisting distance declining and additive white Gaussian noise in PPM,PAM and BPSK is researched in important. 重点研究了在脉冲位置调制、脉冲幅度调制和二进制相移键控调制方式下;接收机抗距离衰落和加性高斯白噪声性能.
- In the presence of additive white Gaussian noise, an adaptive wavelet-based de-noising algorithm for speech enhancement applications is proposed. 针对加性高斯白噪声的情况,提出一种自适应小波降噪算法,用于语音信号的增强。
- Detection performance of the STC with suboptimum combining is theoretically analyzed and also simulated for DS-CDMA systems in additive white Gaussian noise environment. 针对空间白噪声环境下的DS-CDMA系统,对信号无衰落和信号经历衰落时次优合并方式码捕获的检测性能进行了理论分析和仿真。
- A presence detection algorithm based on the estimation of cyclic frequency for Phase Shift-Keying (PSK) signals in additive white Gaussian noise (AWGN) is proposed in this paper. 根据信号的循环平稳特性,本文提出一种加性高斯白噪声信道中基于循环频率估计的PSK信号存在性检测算法。
- All I get is the white noise of refrigerators or fume hoods. 我只能听到冰箱和排风机发出的白噪声。
- The analysis procedure of AWGN(additive white Gaussian noise) through noisy linear circuits is given in detail using the theory of equivalent computation of noise power density. 从噪声功率谱的等效计算出发,给出了加性高斯白噪声通过有噪线性电路的分析方法。
- When sampling period is very low or close to ideal case for signal detection in additive Gaussian white noise (AGWN), the detection circuit with matched filter is optimal. 摘要在加性高斯白噪声信号检测中,在采样周期极小或接近理想的情况下,连有匹配滤波器的检测电路是最佳的。
- Randomness in this case is modelled as a Gaussian white noise process. 模式中之随机性乃视为一高斯白噪音过程。
- The paper is dedicated to study the influence of the additive Gaussian White Noise on the Spectral Correlation Density (SCD) analysis of Amplitude Modulated (AM) signals. 重点研究了加性高斯白噪声对调幅信号谱相关密度分析结果的影响。
- 2.The phenomenon of noise-induced transport of Brownian particles in periodic and quasi-periodic systems with coupling between multiplicative colored noise and additive white noises is investigated. 在含有耦合的乘性色噪声和加性白噪声的周期性和准周期性系统中,我们分析了噪声诱导的布朗粒子的输运现象。
- White noise on a radio receiver would interfere with all radio stations. 白噪音在无线电接收器将会干扰所有广播电台。
- In Additive White Gaussian Noise (AWGN) channel, we introduce a method for synchronization of symbol timing and frequency for two-dimensional spread spectrum system without prior knowledge of spread spectrum matrix. 摘要针对加性白高斯噪声信道,考虑未知二维扩频矩阵的条件下,提出了一种二维扩频系统的时频同步方法。
- Noise that affects all transmission frequencies equally is called white noise. 杂讯同等地影响所有传输频率称为白噪音。
- The results show that for the mixed images with additive white Gaussian noise, it's better to de noise the images before applying ICA than to apply ICA first and then de noise the independent components. 结果表明,对于含有加性观测噪声的混合图像的分离,先去噪处理再进行独立分量分离的效果要优于独立分量分离后再去噪的效果。