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- channel noise model 信道噪声模型
- One is the robustness against channel noise;the other is the computational complexity of codebook search. 第一个是增加向量量化的抗杂讯能力，另一个则是减少码书搜寻的复杂度。
- An interacting multiple model(IMM) adaptive filtering algorithm based on expected system noise model was presented. 本文提出基于期望系统噪声模型的自适应交互式多模型(IMM)算法。
- A noise model including Johnson noise, 1/f noise and thermal fluctuation noise is derived for the microbolometer detector and readout circuit. 推导出了包含约翰逊噪声、1/f噪声和热波动噪声的微测辐射热计和读出电路CMOS差动放大电路噪声模型。
- By constructing proper interpolation variable, more reasonable estimation of the coefficient of an autoregressive noise model of order 1 can be made. 在本文中，通过构建合适的插值变量，获得了对一阶自回归噪声模型中自回归系数更合理的估计。
- To avoid the variance of DCSK signal itself and decrease that caused by additive channel noise,a novel DCSK scheme with chaotic polyphase sequence(CPS) is presented. 经过对上述三种因素的分析 ;提出了一种新型的DCSK通信系统 ;该系统使用混沌多相序列 (CPS)避免DCSK信号本身带来的误差 ;同时采用相空间量子化的方法降低加性信道噪声的干扰 .
- Lastly, the paper presents the fractional differenced noise model and the autoregressive fractional integrated moving average model. 接着给出能描述长记忆性的分数差分噪声模型和分整自回归移动平均模型。
- It is shown that the SNR is non-monotonic functions of the intensity of neurotransmitter arrivals trains and the strength of the voltage-gated channel noise. 结果表明，神经元放电的峰峰间隔是神经递质的达到强度、离子通道噪声强度的非单调函数。
- But change of telemetering signal interval caused by channel noise will affect transmission accuracy of telemetering information when it is used to transmit telemetering signals. 雷达接收机信道对于信号检测是最佳系统，当用其传输遥测信号时，由于信道噪声的影响，使遥测信号码间距发生变化，从而影响遥测信息传输精度。
- Firstly,according to the noise regularity of actual images,the noise model of the algorithm was constructed with the knowledge of readout architecture for imaging system. 首先分析了真实图像的噪声规律,利用红外焦平面的读出电路结构特性建立了噪声模型。
- It mainly studies and testifies thewind-generated noise model of the shallow ocean and the remote ship noisemodel, which is suitable for the southeast coastland of China. 该项目主要目的是研究和验证适合我国东南沿海的浅海风关噪声模型和远处航船噪声模型。
- Firstly, according to the noise regularity of actual images, the noise model of the algorithm was constructed with the knowledge of readout architecture for imaging system. 首先分析了真实图像的噪声规律，利用红外焦平面的读出电路结构特性建立了噪声模型。
- In this paper by analyzing experimental data, a colored Gaussian noise model and a harmonic signal model are proposed, with model parameters estimated by the high-order cumulant. 通过分析实测数据提出了生命探测雷达高斯色噪声杂波模型和谐波生命信号模型。
- It is observed that the system has high practical security, fast encryption (decryption) speed and excellent reliability against strong channel noise, and its overall cryptographic properties are considerably better than known chaotic cryptosystems. 研究表明，该系统具有高安全性、快加密（解密）速度和强抗信道噪声能力，它的密码性质优于所有已知的混沌密码系统。
- We present an improved wavelet image compression algorithm based on a wavelet-tree structure.It keeps and inherits all advantages of EZW and SPIHT, but improves their sensitiveness to channel noise. 提出了一种基于小波树搜索方式的改进了的小波图像压缩算法.;算法保留和继承了EZW和SPIHT算法的所有优点，改进了它们难于抵御干扰的弱点
- A method of estimating Doppler Centroid of spaceborne SAR with the spectrum nalysis of noise model is proposed in this paper,and its performance is compared with traditional ones using the Seasat A real echo data. 本文提出了采用噪声模型的谱分析来估计合成孔径雷达的多普勒质心的方法，并用Seasat－A回波数据对该方法与传统方法的估计性能进行了比较。
- The influence of power line channel noises on the bit error ratio (BER) performance of the OFDM system is analyzed by simulation. 通过仿真,分析了低压电力线信道上各种噪声对OFDM系统误码率(BER)性能的影响。
- This paper presented a ML estimator for the estimation of high-frequency sampling noise model to solve the problem that high-frequency sampling suffer from both additive noise and time jitter error estimation. 摘要针对高频数字采样中的附加噪声和时间抖动误差估计问题，给出了高频数字采样测量噪声误差的最大似然估计方法。
- According to the noise model of image sequence of periscopes this thesis proposes indepen|dent processing of image sequences in spatial and temporal domains by the non|linear fuzzy filter and adaptive Kalman filter. 根据潜望镜图像序列的噪声模型;提出了用非线性模糊滤波器和自适应Kalman在空域和时域对其进行滤波的方法.
- Such as the phased array radar,the noise model is given,and the simulation process of the radar measure value is introduced,and the actualizing way of conversion coordinate Kalman filter is given. 以相控阵雷达为例,给出了雷达噪声模型,介绍了雷达量测值的仿真过程,并推导了转换坐标卡尔曼滤波的实现方法。
