Offering SNR estimation method based on the quantization noise power spectrum.
提出基于量化噪声功率谱的信噪比(SNR)估算方法。
Multi-order modulators shape the quantization noise even harder to higher frequencies.
多阶调节器在更高频率形成更大的量化噪声。
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。
Dithering, which adds white noise to the input analog signals, may be used to reduce quantization noise.
在输入模拟信号中加入白噪声,即抖动,可以降低量化噪声。
The modulator quantizes the input signal and move the low frequency inband quantization noise to high frequency.
调制器完成对输入信号的量化并对量化噪声进行整形,将有用信号频带内的低频噪声搬移至高频段。
In this article we introduce a method to realize such filters and give analysis of its stability, quantization noise c...
本文除介绍该滤波器的实现方法外,对其稳定性及量化噪声等特性进行了分析。
Taking into account the quantization noise, an approximate formula of the relationship between SNR and other factors is obtained in time domain.
结合量化噪声的影响,可定量计算影响信噪比各因素之间的关系。
Wide dynamic range, high gain and fine resolution are required of integrators and Analog to Digital Converters in order to limit the effects of noise, including quantization noise.
为了要抑制噪声效应,它包括量子化噪声,积分仪和模拟-数字转换器要求宽动态范围,高增益和良好的分辨率。
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。
Averaging method of neighborhood and medium filtering method are used to effectively overcome thermionic noise as result of courses of image transferring, gathering and quantization and so on.
对由于图像采集、传输、量化过程中产生的热电子噪声,利用了邻域平均和加权中值滤波方法来有效地减小。
In multimedia signal processing, quantization error is a function of input signal and it results in the audible distortion and noise modulation in the audio signals.
在多媒体信号处理中,由于量化误差是输入信号的函数,使得语音信号产生信号失真和噪声调制。
In this dissertation, psychoacoustic models filter Banks quantization and bit allocation predicate coding and temporary noise shaping is analyzed.
本文首先对心理声学模型、滤波器组、量化和比特分配、预测编码、时域噪声成型等技术进行研究。
In this paper, we propose a digital image watermarking algorithm using the noise visibility function (NVF) based on wavelet quantization.
本文提出了一种基于噪声可见函数(NVF)量化的水印算法。
To improve the performance of speaker recognition in the condition of noise and little speech data, feature parameters were studied based on the Vector Quantization (VQ).
为了使说话人识别系统在语音较短和存在噪声的环境下也具有较高的识别率,基于矢量量化识别算法,对提取的特征参数进行研究。
To fit in with the features of signal and noise, a strategy of gradual changing threshold selection and quantization was presented.
提出一种渐变式阈值选择与量化策略,以适应信号与噪声特点。
As the charge exerted from input voltage source is dependent on quantization error and input noise voltage to a large extent, the circuit has high signal input impedance.
由于提取自输入电压源的电荷很大程度上仅取决于量化误差与输入噪声电压,所以电路具有高信号输入阻抗。
The results also illunimate that the new algorithm have the advantage over the other two algorithms in eliminating the CCD quantization, intensity noise, frequency noise.
新算法对CCD的量化误差、光强噪声、频率噪声的抑制能力也具有一定优势;
Part 2 explains how ADCs and DACs introduce noise through quantization errors, offset errors, and other "DC" errors.
第2部分解释adc和DAC如何通过量子化误差、偏移误差和其它DC误差产生噪声。
Part 2 explains how ADCs and DACs introduce noise through quantization errors, offset errors, and other "DC" errors.
第2部分解释adc和DAC如何通过量子化误差、偏移误差和其它DC误差产生噪声。
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