After investigating scores of algorithms , analyzing the characteristics of video sequences , the distribution of motion vector and pertinence , this article has summarized all the algorithms completely 本文在深入研究了现有的快速运动估计算法，了解了运动矢量和块失真度的分布规律及其相关性，对算法进行了较全面的总结。
The 500va experimental prototype of aero static inverter has the advantages of flat volt - ampere characteristic , small thd of output sinusoid voltage , high efficiency , small size , light weight and low cost 500va输出的航空静止变流器样机试验结果表明，逆变电路输出外特性平直，正弦电压失真度小，变换效率高，体积小，成本低。
When the input voltage varies from 40v to 60v and the output side varies from no load to rated resistance load , the output voltage will vary within 1 . 3 % with the thd of less than 2 % and the highest efficiency of 86 . 3 % 当输入电压变化、输出从空载变化到额定阻性时，输出电压变化量小于1 . 3 ，正弦输出电压波形失真度小于2 ，变换效率最高为86 . 3 ，额定阻性负载时效率为84 . 4 。
9 malvar h s . low - complexity length - 4 transform and quantization with 16 - bit arithmetic . ftp : ftp . imtc - files . org jvt - experts 0109 san vceg - n44 . doc . 10 gordon s , marpe d , wiegand t . simplified use of 8 8 transforms - proposal 从与dct失真的角度分析该44变换与h . 264 mpeg - 4 avc中的44变换具有相同的失真度，并且也可以通过加法和移位实现整个变换过程，并且所有运算都能在16位精度内完成。
Accounting information system has the characters of complicated configuration , numerous influencing factors and strong variability , which can momentarily lead to the changes of pipeline , time and anamorphic degree of accounting information so as to affect the quality of accounting information 会计信息系统结构复杂，影响因素多，变化性强，随时可造成会计信息的传递途径、时间及失真度的改变，影响会汁信息的质量。
These factors include the nonlinearity of suspension spring , the nonlinearity of damping force and the nonlinearity of driving force , etc , in which suspension spring and damping force are main factors that influence the distortion of ultra - low - frequency vibrator 影响振动台台面波形失真的因素有：乳胶管弹簧的非线性、阻尼力的非线性、驱动力的非线性等，其中，弹簧和阻尼力的非线性是影响振动台超低频失真度的主要因素。
In this circuit , we use many kinds of negative feedback to modify the ou tput wave , which can decrease the distortion . and we use the high - voltage and high frequency capacitance efficiency , which can decrease the disturbance of output signal of variable frequency source for the test of part discharge 采用了多种负反馈回路修正输出波形，使得输出电压波形的失真度很小；并且在电路中有效利用高压高频电容，减小了变频电源输出的电压对局部放电试验时的干扰。
This algorithm adopts peak error or maximum amplitude error criterion to control the level of distortion in pipeline leak signals , and doesn ’ t change the subsequent location error of adaptive time - delay estimation in the case of a small quantization error , so as to implement the near - lossless compression of pipeline leak signals 该近无损压缩算法设计了基于峰值误差准则的量化方案对管道泄漏信号的失真度进行控制,在量化误差较小时并不影响后续自适应时延估计的定位误差,从而实现对管道泄漏信号的近似无损压缩。
This paper introduces a method of calibrating and processing angular speed fluctuation in ni sampling system - pxi - 6281 , it accomplishes the acquisition of angular speed fluctuation by distortion of signal , analyzing fundamental wave , high order harmonic of angular speed feedback signal and calculating the amplitude ratio of base wave and high order harmonic 摘要利用ni的pxi - 6281高速数据采集卡来完成角速度波动信号的采集，借鉴信号失真度的概念，分析角速度反馈信号的基波和高次谐波大小，求取高次谐波与基波幅值比，作为角速度波动率。
The error of distortion which harmonic distortion meter detects can be least controlled 1 . the lowest frequency which harmonic distortion meter can detect is 0 . 0001hz . but , generally , this kind of meter is so costly and difficult to operate that the major portion of the distortion meters applies the method of suppressed fundamental harmonic 采用谐波分析法的失真度仪测得的失真度的最小误差可控制在千分之一以下，频率最低可达到万分之一赫兹，但普遍存在仪器价格较贵，操作繁琐的缺点，现在用的失真度测试仪大多是用基波抑制法。
