quantization error
英
美
网络 量化误差; 量化噪声; 量化誤差; 量化错误; 量化杂讯
双语例句
- A tunable quantization error correction method was proposed based on quantization errors problem of lattice reduction based vector precoding.
基于减格矢量预编码的量化误差问题，提出了一种可调量化误差校正方法。 - Tunable Quantization Error Correction Method for Lattice Reduction Based Vector Precoding
一种针对减格矢量预编码的可调量化误差校正方法 - First its fundamental theory is introduced, then the phase truncation error and amplitude quantization error are analyzed, together with their influences on the spectrum of the output signal, and then a formula is presented to evaluate the influences which corresponds with the simulating results.
文中首先分析了载波数控振荡器的基本原理，然后分析了相位截断误差和幅度量化误差及其对载波数控振荡器输出信号频谱的影响，并给出了和仿真结果吻合的估计误差影响的表达式。 - Secondly, introduce the three main errors: quantization error 、 the gear error and the abnormal point.
分析轮速信号测量时主要存在的三种误差：量化误差、齿轮引起的误差和轮速测量中由于车辆引起的异点。 - Analysis of quantization error for the inertial navigation system
惯性导航系统的量化误差分析 - Finally, a quantization error analysis and simulation results are presented.
文章最后给出了该方案的精度分析和实验的仿真结果。 - The two main causes that images are distorted are transmission error and quantization error.
引起图像失真的主要原因是传输误差和量化误差。 - The ranging error caused by quantization error of image element on CCD image plane of camera.
3摄像机CCD像面上像元的量化误差引起的测距误差。 - And three possible factors which bring ranging errors are analyzed. They are quantization error of CCD image element, no-linearity aberration of its camera lens, and vidicon calibration etc. It's shown that the geometrical self-localization method is feasible.
对摄像机CCD像面的量化、镜头的非线性畸变和摄像机定标等可能引起误差的因素进行了分析，实验结果表明方法可行。 - The use of a difference measuring method for the system can reduce the influence of quantization error of A/ D converter, thereby increasing the measurement accuracy of the temperature rise rate and enhancing the accuracy of thermal stress calculation.
该系统中采用了一种测差法，该方法减小了测量中模数转换器的量化误差的影响，提高了温升率测量的准确度和热应力计算的准确度。 - Effect of A/ D Quantization Error on the Result of Pulse Compression
A/D量化误差对脉冲压缩结果的影响 - The effect of A/ D converter quantization error to the accuracy in Discrete Fourier Transform ( DFT) is analyzed and the errors of harmonic measurement caused by the quantizations of signal and coefficients are obtained in this paper.
本文研究了DFT谐波分析中A/D转换器量化效应对谐波幅度和相位分析准确度的影响，并导出了误差传递关系式； - The network structure design and the quantization bits selection in the hardware implementation of multilayer perceptron are investigated in case of the existence of quantization error.
以多层感知器的相对灵敏度为指标，利用灵敏度分析方法，研究了存在量化误差的情况下，多层感知器硬件设计中的网络结构设计和量化比特数选择问题。 - The main idea of this algorithm is to distribute the quantization error along the path of the curve.
此算法的基本思想是使量化误差沿空间填充曲线的方向扩散。 - The Σ-Δ modulator with latched accumulator structure is introduced, the residual quantization error and compensation model in noise shaping are analyzed, and the method used in fractional-N frequency synthesizer is provided.
介绍了采用锁存累加结构的∑-Δ调制器，分析了噪声成形中剩余量化误差的获取及补偿模型，并给出了运用于小数n频率合成器中的方法。 - The BAQ is adapted to the high dynamic range of SAR complex images and reduces the quantization error.
块自适应量化方法很好地适合复数图像数据动态范围大的特性，减小了量化误差。 - Quantization error analysis and signal reconstruction
量化误差分析与信号重建 - The quantization error is corrected in PWM module so that it will not propagate to the output directly.
量化误差将在脉宽调制模块内被消除，而不会传播到输出端。 - The discrete output model of the RLG is put forward when random walk is the main error source, and the quantization error model in the variance ( or Allan variance) method is deduced on the hypothesis that the quantization error can be treated as white noise.
首先提出了在角度随机游走为主要误差源的情况下，RLG的离散输出模型。在假设累积角度量化误差为白噪声的前提下推导了方差（或Allan方差）分析中的量化误差模型。 - The experimental results showed that this algorithm can obtain good clustering results. Compared with standard SOM algorithm, PSO/ SOM can improve the clustering accuracy with lower quantization error and topological error.
相比标准SOM算法能有效提高网络映射的准确程度，降低网络的量化误差和拓扑误差，同时也降低了错聚率，实验结果验证了本算法的有效性。 - The Correction of the Influence of Quantization Error to the Evaluation of the Distortion of Periodic Signal
量化误差对周期信号总失真度评价的影响及修正 - The quantization error of channel vector greatly influences the system capacity in MU-MIMO precoding.
信道矢量的量化误差对多用户MIMO预编码系统的性能影响较大。 - Results show that the quantization error will be diminished effectively by signal subdivision and pulse subdivision methods with the accuracy better than 0.08 ″, which meets the expecting requirement.
通过对实验数据的分析表明，信号细分与脉冲细分法能够有效地减小量化误差，系统精度达到0.08〃，达到了预期的要求。 - A no reference image quality assessment PSNR algorithm based on DCT coefficient distribution law is proposed, this algorithm uses the distribution of AC coefficients and DC coefficients to calculate the quantization error of the image, and then calculate the overall PSNR value.
利用DCT系数分布的规律，提出了基于DCT系数分布的PSNR的无参考图像质量评估算法，这一算法利用AC系数和DC系数的分布规律计算出图像的量化误差，然后计算出整体的PSNR值。 - This method not only can reduce the quantization error of features, but also can enhance the performance of sparse coding.
它不仅可以降低特征量化误差，而且增强了稀疏编码的性能。 - Based on this, the researchers found that through adding a constraint condition into the sparse coding optimization function, which effectively make the similar features have similar sparse coding and reduce the quantization error of features. This can further improve the accuracy of image classification.
基于此，研究者们发现在稀疏编码优化方程中加入一个约束条件，使得相似特征能够产生相似的稀疏编码，同时能够降低特征量化误差，从而提高了图像分类的准确率。 - Pay attention to the low precision of conventional cross-correlation extraction of phase, which is caused by quantization error and nearly frequency interference, the paper puts forward a kind of improved signal extraction method based on cross-correlation.
注意到常规互相关分析提取相位时，会因量化误差和近频干扰而降低相位提取精度，论文提出了一种基于改进的互相关分析的不平衡信号提取方法。 - Firstly, the minimum quantization error is calculated by self-organizing map network model for performance degradation assessment of bearing.
该方法首先应用自组织网络评价模型得出最小量化误差，作为轴承性能退化评价指标。 - With small quantization error, the algorithm has a better sum capacity performance than RVQ algorithm.
与RVQ算法相比，该算法生成的码本量化误差小，可改善系统和容量性能。 - Sources of spurious signals for entirely digital structure of DDS include phase truncation error, amplitude quantization error and non-linear characteristics of DAC.
验证了DDS因为全数字结构带来的杂散来源，包括相位截断误差、幅度量化误差和DAC非线性误差等。