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integral filter
相关语句
  积分滤波器
     A proper integral filter is designed to parallel with the Fourier system Thus the influence of DC offset on impedance calculation is cancelled.
     傅里叶系统并联一个适当的积分滤波器以后可以消除非周期分量对阻抗计算的影响。
短句来源
     Based on the characteristic of the instantaneous power in instantaneous reactive power theory,a improved harmonic detection method-digital integral filter is proposed.
     本文在分析瞬时无功功率理论亦即 pq分解法中瞬时功率特征的基础上 ,提出了一种改进的谐波检测方法—数字积分滤波器
短句来源
     In this systems, loop filter is RC integral filter and phase-detector is triangle phase-detector characteristic.
     系统中的环路滤波器采用RC积分滤波器,鉴相器采用三角形鉴相特性;
短句来源
  “integral filter”译为未确定词的双语例句
     Adjusting the mathematics model of INS/DVL, can increase the stabilization of INS/DVL's longitude and limit the radiation of longitude, and the integral filter precision of INS/DVL is improved.
     通过调整INS/DVL组合导航系统的数学模型,在INS/DVL状态方程和观测方程组中增加经度误差观测量,提高速度组合的可观性,进一步抑制经度误差的发散现象,从而了提高系统的定位精度。
短句来源
     Production and Use of A New PPMeltblown Integral Filter Element
     熔喷聚丙烯新型整体成形高效滤芯的制作与应用
短句来源
     Chapter 2 discusses the principle of PLL (Phase Locked Loop). The emphasis is placed on the analysis of two orders PLL adopting active proportion integral filter.
     第二章主要讲述了锁相环的工作原理,着重于理想二阶锁相环的分析。
短句来源
     This paper presents a zerotree quantization coding scheme based on wavelet transform with lifting scheme,which implements wavelet transform by combining lifting scheme with integral filter,makes the best use of distribution feature of the wavelet coefficients within the coding process,and adopts the embeded zerotree wavelet coding scheme.
     提出了一种基于自举法小波变换的零树量化编码方法 ,通过自举法与整数滤波器的结合来实现快速的小波变换 ,在图像编码过程中充分利用了图像小波变换系数的分布特征 ,采用了嵌入式零树量化编码方法。
短句来源
     According to the disadvantages above,the experimental research is done to obtain an integral filter which can be used in the flow rate range of 80~140m~3/h.
     针对其不足,通过试验对比,研究出了一种适于Q=80~140 m3/h流量范围段应用的新的一体式结构过滤器.
短句来源
  相似匹配句对
     On the Filter
     关于共轭滤波器
短句来源
     S-Integral
     S积分
短句来源
     On R-L Integral
     关于(R-L)积分
短句来源
     The Computer Aided Analysis of The Integral Bandpass Filter
     一种集成带通滤波器的机辅分析
短句来源
     Fast Line Integral Convolution with Triangular Filter Kernels
     基于三角形滤波卷积核的快速线积分卷积算法
短句来源
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  integral filter
Integrity testing sterilizing filters before use monitors filter integrity prior to batch processing, preventing use of a non-integral filter.
      


This paper discusses the capture bandwidth of the phase-locked loop using the phase plane method. The phase-locked loop consists of sinusoidal phase comparator, nonlinear ratio-plus-integral filter, and voltage-controlled oscillator (VCO). In the discussion, the practical saturating nonlinearity of the VCO was considered. From this work was derived the general relation between the capture bandwidth and the coefficient of non-linearity of the filter, and that of time constant of the filter and...

This paper discusses the capture bandwidth of the phase-locked loop using the phase plane method. The phase-locked loop consists of sinusoidal phase comparator, nonlinear ratio-plus-integral filter, and voltage-controlled oscillator (VCO). In the discussion, the practical saturating nonlinearity of the VCO was considered. From this work was derived the general relation between the capture bandwidth and the coefficient of non-linearity of the filter, and that of time constant of the filter and the coefficient of non-linearity of the VCO. Its several special cases were discussed, and experimental results given. These results accord with the theoretical analysis fundamentally.

本文利用相平面分析方法,讨论了在鉴相器输出端接有非线性比例积分滤波器的锁相回路的捕获带宽。在分析中,对鉴相器考虑实际中最常碰到的正弦特性,同时考虑了电压控制振荡器(VCO)的实际饱和非线性。导出了系统的捕获带宽与校正网络非线性系数、校正网络时间常数和VCO非线性系数之间的关系式,并讨论了几种特殊情况。文中附有实验结果。理论结果与实验结果基本吻合。

The pseudo-velocity log, or seismic approximate impedance log (SAIL), is an approximate solution to the inverse problem of a seismogram. It is a method for strati-graphic interpretation. So far, the methods applied in SAIL are all based on linear model in which each seismic trace must be expressed by convolving a seismic wavelet with a reflection coefficient sequence of a stratified medium. In this way, it is difficult to consider the effects as resulted from transmission coefficient and multiple reflections....

The pseudo-velocity log, or seismic approximate impedance log (SAIL), is an approximate solution to the inverse problem of a seismogram. It is a method for strati-graphic interpretation. So far, the methods applied in SAIL are all based on linear model in which each seismic trace must be expressed by convolving a seismic wavelet with a reflection coefficient sequence of a stratified medium. In this way, it is difficult to consider the effects as resulted from transmission coefficient and multiple reflections. From the viewpoint of wave theory, a non-linear model must be used in order to comply with physical laws. An important difference between a non-linear model and a linear one is that in the former, the reflection coefficient sequence must be replaced by a reflection transfer function expressed as an autoregressive component and a moving average component.In the non-linear model, the deconvolved seismogram Q(z) resulted from wavelet processing in SAIL is quite different from the reflection coefficient sequence #N(Z), sinceunless under the distortionless condition #=#', where # and #' are parameters for the statistical characteristics of velocity distribution in a stratified medium; N is the two-way time "depth" and rt is the reflection coefficient. In all other cases, distortions appearing in the inversion processing are inevitable. Therefore, the integral filtering operation performed in SAIL yields a simple relation between the relative velocity Vt+1/V1 and its true value vt+1/v1,Vt+1/V1=K2(vt+1/v1),t=1,2,#,N. where Kt is a distortion factorAnalyzing the distortion factor, we may conclude that distortion in SAIL depends upon not only the velocity distribution but also the characters of layer in the sedimentary section and the time length of seismic traces. In order to attain the distortionless condition Kt=1,t#1, the length (M-m) of the trace near a known borehole should be taken as long as possible since there is actually always a case for N >(M-m).

根据声测井得出的速度分布统计特征,给出了多层构造反射系数序列的自相关函数形式。在反射系数强度不太大的条件下,导出存在于速度分布统计特征与多层构造反射传递函数之间的一种简单关系。据此,对目前常用的线性地震拟测井处理过程进行了具体分析,指出畸变恒不可免;在此基础上,提出了实际处理中力求减小畸变的可能途径。

This paper proposes both the improved Fourier algorithm and differential equation algorithm. A proper integral filter is designed to parallel with the Fourier system Thus the influence of DC offset on impedance calculation is cancelled. In the mean- time,a method of "Changeable Data Window" is advanced. The response time ts decreased remarkably, meanwhile the perfect accuracy is maintained. The differential equation algorithm is also examined and improved in this paper. The scheme using trapezoidal approximation...

This paper proposes both the improved Fourier algorithm and differential equation algorithm. A proper integral filter is designed to parallel with the Fourier system Thus the influence of DC offset on impedance calculation is cancelled. In the mean- time,a method of "Changeable Data Window" is advanced. The response time ts decreased remarkably, meanwhile the perfect accuracy is maintained. The differential equation algorithm is also examined and improved in this paper. The scheme using trapezoidal approximation to the integral terms and a compensation coefficient are adopted, which decreases the error of X by 2%. The method of simnlating analog filter with digital filter is applied to analyse the R, X error o f the scheme and relevant counter-measure is taken. These improved algorithms were examined on a minicomputer DJS-131. The real time program was compiled and tested on a microcomputer INTEL-8086. The results are satisfactory.

本文对傅里叶算法作了改进。傅里叶系统并联一个适当的积分滤波器以后可以消除非周期分量对阻抗计算的影响。同时采用变动数据窗的方法,算法的响应时间显著地减少了而精度仍然得到保证。在本文中,对微分方程算法也作了探讨和改进。采用梯形法近似积分以及补偿系数的方案,提高了X的精度2%。又用数字滤波器模拟了模拟滤波器,对本方案R·X的误差作了分析,并采取了相应的对策。改进后的算法都在DJS-131小型机上作了考核,并且编制了实时程序在INTEL-8086微型机上作了试验。结果是令人满意的。

 
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