高斯白噪声

• Two - levels and three levels algorithms are discussed in the more general system , which has control input and in which the processing noise and measurement noise are correlated gaussian white noise with nonzero mean
  针对存在控制输入、过程噪声与观测噪声相关且为非零均值高斯白噪声的多传感器系统，推导了二级、三级融合算法。
• It leads to position error . to reduce the error , many integration methods have been suggested . map matching is an useful approach to correct the error , as the reliable road maps are readily available
  值得注意的是受到s / a政策的影响, gps噪声不是高斯白噪声,因此用kalman滤波技术估计的位置不再是最优的,它导致了定位误差。
• The problems of carrier frequency offset estimation under the condition of the agwn channel , frequency flat - fading channel and frequency selective - fading channel are studied in detail respectively
  本文仔细研究了在高斯白噪声信道下、频率平坦衰落信道下和频率选择性衰落信道下高精度估计信号载频偏差的问题，并对相应算法提出了一些改进办法。
• Through the processing method basing on wavelets , implementing the removing noise about section gauss noise to colure full tv signal , we resolve the theory and practice problems in the processing of weak signal detection
  摘要通过基于小波分析的处理方法，实现对彩色全电视信号一段被高斯白噪声干扰的降噪，解决微弱信号检测过程中遇到的理论和实践问题。
• Based on the principles of dsss and sess , the mechanism of sess employing the ar filter is illuminated . it transfers the data source to dynamic gauss white noise . then quantizing and optimizing the noise , we can get the final spread sequence
  它动态地把信源序列转化成高斯白噪声分布的数据流,再通过量化、平衡编码进行序列优化,以得到所需的扩频码。
• Deriving formulas of map algorithm and its modified algorithms in the log domain ( including max - log - map and log - map ) , and simulating the performances of turbo codes over additive white gaussian noise ( awgn ) . 2
  详细推导了map译码算法，以及map算法在对数域中的修正算法( max - log - map和log - map算法) ，并对turbo码在高斯白噪声信道下的性能进行了仿真分析。
• 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。
• ( 2 ) analyze some denoising algorithms to process gauss noise and pepper and salt noise that are very familiar in digital images . we also research other methods that can denoise and keep the definition for an image at the same time
  ( 2 )研究了对图像中常见的高斯白噪声和椒盐噪声行之有效的去噪算法，并研究了基于svd的滤波方法和lum滤波器，它们在实现图像去噪的同时能更好地保持图像细节。
• Detection performance and anti - jamming capability of phase - coded radar are also analyzed in this paper . the computer simulation shows that phase - coded radar has better property of suppressing jamming such as shortwave , gauss noise and binary phase code than lfm radar
  本文还分析了相位编码雷达的检测性能和抗干扰能力，仿真结果显示相位编码雷达抗短波、高斯白噪声、二相码等干扰的能力优于线性调频雷达。
• The simulation result shows that : the performance of the proposed scheme is improved with comparison to pccc and sccc on both awgn channel and the rayleigh fading channel . in awgn channel , it is about same if the snr is low , if the snr is high , the improvement is 0 . 2 ~ 0 . 5db
  结果表明：本方案的误码率性能与并行级联码和串性行级联码相比，在高斯白噪声信道上，低信噪比时几乎相同，高信噪比时有0 . 2 0 . 5db的改善。