quantization noise

The Controller Influenced by Quantization Noise in Computer Control System

在计算机控制系统中量化噪声对控制器的影响

Research on Effect of Charge Pump Gain Mismatch on ∑Δ Quantization Noise

充电泵增益失配对∑Δ量化噪声影响的研究

Quantization Noise Analysis in Linear Phase Frequency Sampling FIR Filters

线性相位频率取样FIR滤波器量化误差的分析

Influence of quantization noise on harmonic analysis via interpolated fast Fourier transform

量化噪声对插值FastFouriertransform谐波估计的影响

In this paper , a fast encoding algorithm that does not enhance quantization noise is introduced .

作者在该文中提出了一种不增加量化噪声的快速编码算法。

An analysis of quantization noise in FM transmitter at intermediate offset frequencies

对调频发射机在中频偏移下的量化噪声分析

The theoretical formula of output signal-to-noise ratio involving quantization noise and round-off noise are derived .

推导了包括量化噪声和截断噪声的输出信噪比的理论公式。

An Analysis on Quantization Noise of Δ - Σ Modulator for the Fractional-N Frequency Synthesizer

小数分频频率合成器中Δ-∑调制器的量化噪声

This paper focuses on the influence of quantization noise in MRC combining in Rayleigh Flat-fading channel .

文中主要研究瑞利平衰落信道下量化噪声对最大比合并（MRC）接收分集合并输出信噪比的影响。

There are the phase truncation spurs and amplitude quantization noise specially in the DDS 's.

幅度量化及相位截取引入的杂散是DDS固有的噪声。

Therefore , we use quantization noise factor to fix the time domain matching criteria which reduces the influence of lossy compression coding .

所以，本文引入量化噪声影响因子来修正时间域匹配准则，从而降低视频有损压缩编码对检测结果的不良影响。

But the most common noise is angle random walk , bias instability , rate random walk , rate ramp and quantization noise .

但常见的噪声因素通常包括五项：角度随机游走、零偏稳定性、速率随机游走、速率斜坡和量化噪声；

The speed measurement method by combining tachogenerator and photoelectric encoder was proposed for decreasing quantization noise of the photoelectric encoder .

设计了采用测速发电机和光电码盘组合的测速方法，用以消除码盘的量化噪声；

Quantization noise analysis of linear phase frequency sampling FIR filters was discussed , and computation formula for measuring quantization noise was described in this paper .

主要分析了线性相位频率采样FIR滤波器中的量化噪声，并给出计算公式。

All analysis of quantization noise for single-loop Δ - Σ modulator for the fractional-N frequency synthesizer is based on linearization assumptions .

以往对小数分频频率合成器中的Δ-∑调制器的量化噪声大都建立在线性分析的基础上，这样得出的量化噪声近似为高斯噪声。

Quantization noise from fixed-point processing and limited word length storage affect real-time imaging and system miniaturization in spaceborne synthetic aperture radar ( SAR ) imaging processors .

为了实现星载合成孔径雷达（syntheticApertureRadar，SAR）成像处理器小型化和实时信号处理，该文重点研究定点运算和有限字长存储引入的量化噪声。

Sigma Delta modulators make the design of high resolution Analog-to-Digital Converter ( ADC ) feasible by employing the oversampling technology combined with quantization noise shaping methodology .

sigmadelta调制器使用过采样技术与量化噪声整形相结合的方法，使高精度ADC的设计成为可能。

On the basis of the distortion / aliasing functions , quantization noise of hybrid filter bank ADCs is studied with polyphase structure of its synthetic filter bank in detail .

利用混合滤波器组ADC系统之综合滤波器组的多相结构，对混合滤波器组ADC系统量化噪声进行了详细研究。

As we know , Σ - Δ modulation technique has the advantage of suppressing the low frequency quantization noise , so it is frequently applied in the modulation circuit of class D.

众所周知，∑-Δ调制技术由于其具有抑制低频量化噪声的优点，因此在D类放大器的调制电路中得到广泛应用。

Also , the accumulation of quantization noise in the adaptive loop will degrade the performance of the equalizer , and even make the equalizer crash in some extremely severe cases .

由于定点噪声在自适应均衡器环路中积累会导致性能的下降，在极端情况下，会导致均衡器的崩溃。

In digital closed-loop fiber optic gyroscope , AD converter is used to translate analog input into digital signal . Quantization noise in AD conversion will influence bias stability of FOG .

数字闭环光纤陀螺中，采用AD转换器将模拟信号转换为数字信号，AD转换中的量化噪声将直接影响光纤陀螺的零漂指标。

The strength of the embedded watermark is image-adaptive according to the wavelets quantization noise , and combined with the error-correct code , it improved the characteristic to anti-attack .

根据小波域量化噪声自适应地确定嵌入强度，并结合纠错编码，提高了抗攻击能力。

Noise caused many reasons , such as sensitive components of internal noise , photosensitive materials particles noise , thermal noise , electrical mechanical movement generated jitter noise , transmission channel interference noise , quantization noise .

引起噪声的原因有很多，如敏感元件的内部噪声、感光材料的颗粒噪声、热噪声、电器机械运动产生的抖动噪声、传输信道的干扰噪声、量化噪声等。

The results indicate that , after filtering both the quantization noise and the random walk coefficients of FOG can be weakened by about 60 % , and the bias stability can be further improved .

结果显示，滤波之后陀螺的量化噪声和随机游走均减小了60%左右，零偏稳定性得到进一步的提高。

In the stage of image preprocessing , the image quantization noise is eliminated and the correlation between adjacent pixels is improved effectively by using the low-pass filter base on templates of 3D Gaussian smoothing .

在图像预处理阶段，采用3D平滑高斯模板进行低通滤波，有效地消除了图像的量化噪声，提高了相邻像素的相关性。

But the most common noise is angle random walk , bias instability , rate random walk , rate ramp and quantization noise . In this paper , the random error model including the most common five noise as above .

对常见的五种噪声因素包括角度随机游走、零偏稳定性、速率随机游走、速率斜坡和量化噪声建立了陀螺随机误差模型。

As the core of Sigma-Delta ADC , Sigma-Delta Modulator employs oversampling and noise shaping technology to effectively suppress the signal-band quantization noise , so as to improve the performance of the modulator .

Sigma-Delta调制器作为Sigma-Delta模数转换器的核心，采用过采样技术和噪声整形技术有效地抑制了信号带内的量化噪声，从而达到提高调制器性能的目的。

Over-sampling ADCs reduce quantization noise power in the baseband ( Especially when sampling frequency is greatly larger than baseband frequency ), and improve the base-band signal to noise ratio , to increase the resolution of the converter .

过采样ADC通过过采样技术，将基带中的量化噪声功率降低（特别是当采样频率比基带频率大很多时），提高了基带内的信噪比，达到了增加转换器的有效量化位数的目的。

As we all known that the angle random walk , bias instability , rate random walk , rate ramp , quantization noise , Markov noise and sinusoidal noise may have an effect on the performance of fiber optic gyro .

影响光纤陀螺性能的噪声因素是很多的，诸如角度随机游走、零偏稳定性、速率随机游走、速率斜坡、量化噪声、马尔可夫噪声以及正弦噪声等；

This paper analyses colour subcarrier quantization noise in PCM coding of complete television singal . The relationship between quantization noise and sampling frequency ( f s ) as well as quantizing bit number ( n ) is discussed .

分析了全电视信号PCM编码色度副载波量化噪声，并讨论了量化噪声与取样频率fs和量化比特数n的关系。