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peak signal-to-noise ratio是什么意思
中文翻译百科解释峰值信噪比:&&&&短语和例子 peak2 n. 1.山峰，山顶；孤山。 2 ...:&&&&n. 1.信号，暗号；信号器。 2.动机，导火线 (fo ...:&&&&adv. 到某种状态；〔特指〕到停止状态；关闭。 ★也常 ...:&&&&n. 1.声音，声响。 2.叫喊；嘈杂声，噪音；喧闹声； ...:&&&&n. (pl. ratios) 1.比，比率，比值；比例 ...
例句与用法1.On the other hand , image quality measures haven ’ t been improved correspondingly . the most popular image quality assessment ( iqa ) is still traditional methods whose representative is psnr ( peak signal - to - noise ratio )在对图像质量要求愈来愈高的今天,传统的图像质量评价算法已无法提供令人满意的结果,成为图像处理技术的薄弱环节。 2.In the final , we evaluated and analyzed the quality of a series of compressed images with the fuzzy image and psnr ( peak signal - to - noise ratio ) measurement . we have also made some other experiments such as add noise to the images and so on然后用峰值信噪比和本文提出的模糊图像度量分别对一系列压缩后的图像质量进行评价，并且分析了它们的评价结果，最后还进行了对图像添加各种噪声等实验。 3.Simulation results show that both objective gains measured in psnr ( peak signal - to - noise ratio ) and visual improvements of reconstructed video can be achieved by utilizing introduced methods . chapter 5 gives the implementation of jvt - based nwarq technique实验结果表明，各改进算法能不同程度地提高和改善重建图像的峰值信噪比( psnr )和主观质量；第五章研究、实现并测试了基于jvt视频编码标准的无等待arq技术。 4.In order to assess the performance of the proposed methods , we propose three types of image measures to quantify the performance compared to some other methods . the first type evaluates the fidelity of the reconstructed image by computing the peak signal - to - noise ratio and euclidean distance in cielab color space between the original and reconstructed image in smooth and edge regions respectively . the second type accounts for a major artifact ? zipper effect为了评估算法质量,本文采用了三类评估手段:一是分别计算原始图像与重构图像在平滑区域与边界区域的峰值信噪比与cielab颜色空间的欧氏距离来分析重构图像的保真度;二是利用数学手段对重构图像的一类主要失真现象? ? zipper效应进行定量评估;三是对硬件实现的成本与实际可行性进行了分析。 5.According to this , we propose a new way to renew the traditional method of subjective image quality evaluation , different to only use mse ( mean square error ) and psnr ( peak signal - to - noise ratio ) to evaluate merely on radiation distortion , and complemented quantitative description on compressed image distortion o it is significant to choose the format of video transferation and measuring precision calculation of tracking and measuring systems based on images中国科学院长春光机与物理研究所博士学位论文据此提出了不同于传统的仅用均方误差( mse )和峰值信噪比( psnr )来评价图像灰度辐射畸变的新思路，补充了对压缩图像几何畸变的定量描述。这对于基于图像的测量跟踪系统中数字图像传输方式的选择，以及评价压缩解压算法对测量精度的影响有重要意义。
相邻词汇热门词汇noise pollution的中文解释
沪江词库精选noise pollution是什么意思、用法及解释、英语短语。
noise pollution的中文释义：名词噪音污染
同义词：。
annoying and potentially harmful environmental noise
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2015noise pollution是什么意思由沪江网提供。noise 中文意思_百度知道
noise 中文意思
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议论;쾙 2 响声;&#53401,杂音;干扰(声) 4 &ǿǿ口&캙 3 噪声;谣传&#65535. 纷纷传说.
1 大声议论 2 发出响声;抗议 5 吸引注意的事物 6 发出声音之物-声音ǿ-vi1 喧闹声;谣传,嘈杂声&#65535
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additive white gaussian noise是什么意思
中文翻译百科解释加性白高斯噪声加性高斯白噪声:&&&&adj. 1.附加的，增加的。 2.【化学】加成的，加和 ...:&&&&adj. 1.白(色)的，雪白的；白晰的，带白色的；苍白 ...:&&&&adj. 高斯的。 :&&&&n. 1.声音，声响。 2.叫喊；嘈杂声，噪音；喧闹声； ...
例句与用法1.Current analyses of the watermarking channel are typically limited to the additive white gaussian noise ( awgn ) channel当前典型的水印信道分析被限制在加性白高斯信道上。 2.In the presence of additive white gaussian noise , an adaptive wavelet - based de - noising algorithm for speech enhancement applications is proposed针对加性高斯白噪声的情况，提出一种自适应小波降噪算法，用于语音信号的增强。 3.In awgn ( additive white gaussian noise ) channel , we introduce a new single - tone interference suppression scheme in the single - tone interference environment针对加性白高斯噪声信道中的发射信号,提出了利用单音信号频域特性的单音干扰抑制方法。 4.Subsequently the channel was modeled for three types namely additive white gaussian noise , flat fading and frequency selective fading . lastly , the receiver was studied接下来信道建模成三种不同的类型，即加性高斯白噪声信道、平坦衰落信道和频率选择性衰落信道。 5.Sinusoidal frequency estimation is the procedure which can estimate the frequency of sinusoidal waves in additive white gaussian noise through transform and calculation for signal ' s samples正弦信号频率估计是指通过对信号采样值的计算和变换，估计出淹没于噪声中的信号的频率的过程。 6.In additive white gaussian noise ( awgn ) channel , we introduce a method for synchronization of symbol timing and frequency for two - dimensional spread spectrum system without prior knowledge of spread spectrum matrix摘要针对加性白高斯噪声信道，考虑未知二维扩频矩阵的条件下，提出了一种二维扩频系统的时频同步方法。 7.And the output components of the despread correlator under the condition of additive white gaussian noise ( awgn ) are analyzed to derive the expressions for the false alarm probability and the detection probability同时也对解扩相关器在接收端噪声为加性白高斯噪声情况下的输出成分进行了详细分析，推导得出大步进搜索的虚警概率和检测概率的公式。 8.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。 9.That is by inserting known symbols or pilots in time and frequency domain to estimate the channel frequency response . the proposed method employs iterative low - pass filtering in transform domain which can reduce additive white gaussian noise and inter - carrier interference effectively该估计算法采用在变换域多次迭代滤波的方式,能够显著降低高斯噪声和载波间干扰( ici )对估计性能的影响,同时快速fft算法也使得变换域滤波变得比较简便。 10.Turbo codes represent the new code structures , which consist of pccc ( parallel serially convolutional code ) and sccc ( serially concatenated convolutional code ) . in this paper , the background of turbo codes are firstly introduced , which includes the base principle of error correction code 、 block code and the principle of turbo code and the iterative decoding i the key decoding algorithm : a revised map algorithm and iterative decoding
then , a new turbo code structure : hccc ( hybrid concatenated convolutional code ) is presented , and the capacity of this code method is analyzed , the average capacity upp at last , this code is simulated on awgn ( additive white gaussian noise ) channel and rayleigh fading channel本文首先介绍了turbo码的背景知识，包括差错控制的基本原理、分组码和卷积码；然后阐述了turbo码的基本原理，包括turbo编译码器结构及迭代译码原理；较为详细地描述了关键的译码算法： ?种改进的最大后验概率( map )译码算法及迭代译码算法；提出了一种新的turbo码结构：混合turbo码(混合级联卷积码) ；并用编码性能联合界分析方法对混合turbo码进行了性能分析，得出了其平均性能上界；并在高斯白噪声信道和瑞利衰落信道上分别作了一些应用研究及计算机仿真实验。 &&更多例句：&&1&&
相邻词汇热门词汇anti-noise screen的中文翻译及音标
沪江词库精选anti-noise screen是什么意思、英语短语。
anti-noise screen的翻译解析： 防噪音屏
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2015anti-noise screen是什么意思由沪江网提供。