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取样序列
相关语句
  sampling series
     Because of the distortion and noise of sinusoid signal generator, the digitizing and the non linearity errors in measurement, it is impossible to avoid the distortion and the noise in sinusoid sampling series. The distortion and the noise limit the accuracy of curve fit results.
     由于正弦波信号源的谐波失真和噪声失真、被评价设备的量化误差、非线性误差等的存在,完全避免谐波失真和噪声失真在测量取样序列中的出现是不可能的,这些谐波失真和噪声失真限制了拟合结果的准确度。
短句来源
  “取样序列”译为未确定词的双语例句
     This paper tries to use synchronized sampling serial and error item to express non-synchronized sampling serial, then advances a iterative formula.
     本文试图用同步取样序列和一个误差项来表示非同步取样序列,并由此采用了一个基于FFT的迭代公式。
短句来源
     The latest progress and the research direction on reducing spectrum leakage in periodic signal measurement and analysis are simply introduced firstly,and a synchronization method of re-locating the second sampling coordinate is presented.
     针对周期信号分析中的频谱泄漏问题 ,本文就目前国际上的研究状况和趋势进行了简单地介绍 ,提出了重新定位取样序列的同步化方法 ,推导出了同步化取样序列坐标的定位公式 .
短句来源
  相似匹配句对
     p sequences or R.
     p序列和R.
短句来源
     sequences and associated r.
     序列及相伴r.
短句来源
     Multi-Sampling Effect
     多次取样效应
短句来源
     Sampling Device of Synthetic Resin
     合成树脂取样装置
短句来源
     The Phylogeny of 5 Chinese Peculiar Parnassius Butterflies Using Noninvasive Sampling mtDNA Sequences
     中国5种珍稀绢蝶非损伤性取样的mtDNA序列及系统进化
短句来源
查询“取样序列”译词为用户自定义的双语例句

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  sampling sequence
With a suitable choice of the sampling sequence, we prove the estimate
      
Scrub-jays were more likely to make repeated comparisons immediately before selecting a peanut than elsewhere in a sampling sequence.
      
To obtain a more realistic impression of the actual uncertainty, we propose sampling sequence alignments and mutation parameters simultaneously from their joint posterior distribution given the two original sequences.
      
Nevertheless, the definition of a general sampling sequence for any d-dimensional configuration space satisfying the requirements needed for path planning is not a trivial issue.
      
This paper makes a proposal of a simple and yet efficient deterministic sampling sequence based on the recursive use, over a multi-grid cell decomposition, of the ordering of the 2d descendant cells of any parent cell.
      
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  sampling series
Functions belonging to various Paley-Wiener spaces have representations in sampling series.
      
When a function does not belong to such a space, the sampling series may converge, not to the object function but to an "alias" of it, and an aliasing error is said to occur.
      
Aliasing error bounds are derived for one- and two-channel sampling series analogous to the Whittaker-Kotel'nikov-Shannon series, and for the multi-band sampling series, and a "derivative" extension of it, due to Dodson, Beaty, et al.
      
We consider applications to extensions of generalized projection operators as well as to sampling series.
      
The reconstruction formula is derived explicitly in the form of a sampling series expansion.
      
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In this paper a method for analysis of discrete signals and systems by using generalized functions is proposed. By using sampling sequence the expressions of discrete signals and impulsive re-sponses of discrete systems are unified, by using convolution function of δ'(t) the analyses of discrete and analogous cases are unified, and by using operation of generalized convolution the advantages of Z-transform method and time domain method can be integrated into this proposed method. The various ana-lyses of discrete...

In this paper a method for analysis of discrete signals and systems by using generalized functions is proposed. By using sampling sequence the expressions of discrete signals and impulsive re-sponses of discrete systems are unified, by using convolution function of δ'(t) the analyses of discrete and analogous cases are unified, and by using operation of generalized convolution the advantages of Z-transform method and time domain method can be integrated into this proposed method. The various ana-lyses of discrete systems such as the analyses of zero-state response, zero-input response, transfer function, frequency response, pole zero diagram and signal flow graph all can be performed conveniently.

本文描述一种使用广义函数以分析离散信号与系统的方法。这种方法使离散信号与离散系统冲激响应的表达统一于取样序列,使离散情况与模拟情况的处理统一于δ′(t)的卷积函数分析,使Z变换法和时域法的长处统一于广义卷积,可以方便地得出系统的零输入响应、零状态响应、传输函数、频率特性、零极点以及信号流图等一套分析。

A new method for measuring phase difference between two sinusoids

本文提出一种测量低频率范围内两正弦信号之间相位角θ的新方法。这种方法利用同步取样技术获得两输入信号的取样序列,经过对瞬间幅值的处理和迭代校正得到被测相位角θ。它具有使用硬件少,计算简便的特点,文章还对测量误差进行了分析,并给出了模拟仿真结果。

n practice, the samples are often periodic and finite. To interpolate this type of signal,the finite interpolation function, which has finite interval of t, is used to reconstruct the original signal exactly.Two kinds of finite interpolation function are derived from two ways:(1)the convolution of sin(πt)/(πt)with a periodic impulse stain, and (2) the fundamental interpoation function of trigonometric polynomial.

对于周期有限取样序列,用有限取样内插函数作重构即可无失真地恢复原函数。从以下两方面论证了上述有限取样内插函数:(1)无限取样函数sin(πt)/(πt)在有限区间的混叠;(2)三角多项式内插基本函数。

 
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