quantization error造句
例句与造句
- Quantization error analysis and signal reconstruction
量化误差分析与信号重建 - Quantization error analysis in the high speed and high precision frequency sampling
高精度频率采样中的量化误差分析 - The spectrum characteristics of the phase truncation error and amplitude quantization error are analyzed by the method of fourier series
文章最后还简单介绍了几种改善杂散误差的方法。 - Secondly , introduce the three main errors : quantization error 、 the gear error and the abnormal point . thirdly , we use the model of vertical vibrations to design the radii method
3 .利用轮胎垂直方向的振动模型设计了半径法tpms ,利用了汽车防抱死系统( abs )系统原有的硬件。 - However , since the fixed - point calculation maybe cause cumulative quantization error , the convergent performance of fixed - point equalizer is not better than that of floating - point equalizer
但由于定点数运算会引起量化累积误差,均衡器的收敛速度比浮点数运算均衡器的收敛速度要慢,收敛后的稳定性也较差。 - It's difficult to find quantization error in a sentence. 用quantization error造句挺难的
- The experimental results indicate that the needed parameters to implement the calibration can be accurately determined by this method , and the calibration error is equivalent to the sample quantization error of ccd sensor
实验表明，该方法能够精确地推算出实现畸变校正所需的参数，校正精度与ccd的采样量化值相当。 - Sigma - delta modulator , combined with oversampling , effectively attenuate the in - band quantization noise in the output signal and enhance the signal - to - noise ratio ( snr ) through the shaping of the quantization error
调制器与过采样相结合,对量化误差噪声进行整形,有效衰减输出信号的带内量化噪声,提高了输出带内信噪比( snr ) 。 - When the quantization error is 5 , the compressed average bit reach 4 . 8612 , i . e . the compression ratio is 2 . 47 , which overcomes the limitation that the compression ratio is difficult to exceed 2
实验结果表明,在量化误差设定为= 5时近无损压缩后的平均位数降低到4 . 8612bits ,即压缩比达到了2 . 47 ,突破了无损压缩难以达到2倍压缩比的局限。 - The key for phased array antennas with good functions is the use of controllable phase shifters . however , phase quantization errors affect the accuracy of phased array antenna beam pointing badly , which is mainly researched here
其中可控数字移相器的使用，是相控阵天线优越性能实现的关键，但由此引入的相位量化误差，严重影响了相控阵天线的波束指向精度。 - We propose a color - spatial feature retrieval method based on color clustering , color clustering is introduced into color - spatial feature based retrieval method in order to decrease color quantization error , increase retrieval accuracy , and a new spatial color descriptor is proposed
2 .提出了一种采用颜色聚类的颜色-空间检索方法。为了减小颜色量化误差,提高检索精度,本方法将颜色聚类引入颜色-空间检索,提出了一种新的空间颜色描述特征。 - The methods of direct measurement with low precision such as frequency and time interval methods and the methods of indirect measurement with high precision such as beat frequency method , dual mixer time difference method and frequency difference multiplying method are supported on the platform . the fundamentals of each method are studied . the quantization error is analysed and the illustration is given for each method
该平台支持直接频率和时差法两种较低精度的测量方法以及双混频时差法、差拍频率法和频差倍增法高精度的简接测量方法，本文研究了各种测量方法的原理，对各种测量方法的量化误差作了分析，并给出具体的实例。 - 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。 - First , based on phased array antenna ' s mono - pulse goniometry and separate coordinate technology about phase control , the antenna beam pointing error formula , caused by phase quantization error , is derived from linear array and circular array to planar array and cylindrical array
首先以单脉冲相控阵天线测角原理为基本理论出发点，利用相位控制的坐标分离技术，基于线阵、圆形阵等简单形式的相控阵天线，推导了平面阵、圆柱面阵等相控阵天线由相位量化误差引起的波束指向误差公式。 - In signal processing circuit , the key of our study , based on methods of mcu + cpld and a / d converter , a time interval measurement unit is done , in which an isp cpld counter is carried out to judge laser pulse for controlling counting and offering signal of time series and control , and a count quantization error measurement circuit which main ramp circuit and 12 bits a / d conversion circuit guarantees the resolution of system
信号处理部分是本文研究的关键，采用mcu + cpld的设计方法和模数转换技术构成时间间隔测量单元的理论基础，其中用可在系统编程的cpld计数器实现了对循环光脉冲的判断以开关计数，并提供计数量化误差测量电路相应的时序和控制信号，用斜坡电路和12位a / d转换电路完成对计数量化误差的测量，保证了系统的分辨率。 - Summarizing the development statement of monitoring technology for bridge , based on principle of pulse laser ranger detection and fiber - optic strain measurement , in view of the problem affected by single - chip inherent feature , integrating the goodness of cpld device and single - chip , using a / d converter to measure the count quantization error , a strain measurement system is worked out . the above system chiefly consists of light source , optic fiber sensor , photo detector and signal processing circuit
本文综述了国内外桥梁监测技术的发展概况，在深入研究脉冲激光测距和光纤应变测试原理的基础上，针对单片机固有计数频率低、计数量化误差大和延时不固定等不足，结合cpld计数频率高、延时小而固定和单片机控制功能强的优势，并采用模数转换技术设计计数量化误差测量电路，提出了基于激光脉冲时间测量法的光纤应变测量的方案。
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