得出结论：只有抽样信号最低抽样率大于两倍信号带宽时，才能保证信号的无失真恢复。
The conclusion is that only when the minimum sample rate is more than the double of the band of the signal, can the signal been resumed without distortion.
通过这个设备，你能够学到最古老的运行的信号之一的抽样时间是如何做到的以及它是如何工作的。
With this device, you can learn how one of the oldest operating signals of sample time is made and how it works.
为在计算机上做傅里叶级数的分解，需要对连续信号进行抽样，然后按离散傅里叶级数进行分解。
In order to analyzing digital signals with the aid of computers, it is necessary to use Fourier Series of discrete form.
从信号中去除高频信息，降低抽样频率而不导致频谱混叠的过程称之为抽取。
Filtering the high frequency part of the signal and reducing the sampling frequency, which does not produce the aliasing, is called sampling.
为了提高雷达信号的分辨率和抗干扰能力，分析了两种基于混沌映射生成随机抽样的方法。
Two methods of generating random samples based on chaotic maps were studied to improve the resolution and Electronic Counter-Counter Measure (ECCM) of radar signals.
基于多抽样率数字信号处理原理，设计窄带FIR滤波器，并在DSP芯片上实现。
The narrow band FIR filter based on multi-sampling rate of digital signal processing theory is designed and realized on DSP.
本文主要研究过抽样转换及其数字信号处理的原理，设计和应用。
This thesis mainly focused on the principle, design and application of the digital signal processing which was based on oversampling converter.
以一般信号和正弦信号为例，通过理论分析和频谱图示意，对抽样定理中最低抽样率的取值进行了明确的说明。
Though examples of common signal and sine signal, by the frequency spectrum graph and theoretical analysis, the minimum sample rate of the sampling theorem is made clear.
在某些信号处理和通信应用中要求非均匀抽样。
There are requirements of nonuniform sampling in certain applications of signal processing and communications.
采用窗函数法、频率抽样法和切比雪夫最佳一致逼近法，通过调用Matlab信号处理工具箱中的函数设计低通数字滤波器。
By using MATLAB signal and using window method, frequency sampling and Chebyshev approximation the design of low pass digital filter in the toolbox have been processed.
即时处理替代模拟系统也许能相当小、便宜而且精确，能够以一定的足够的抽样速率处理模拟信号。
Real-time replacements for analog systems may be just as small, cheap, and accurate and be able to process at a sample rate adequate for many analog signals.
多速率信号处理：滤波、抽样、多相位、完整重建和去混叠。
Multirate Signal Processing: Filtering, Decimation, Polyphase, Perfect Reconstruction and Aliasing Removal.
提出三种脉冲混沌同步的新方案，第一种是基于定时周期抽样耦合，并在接收端通过滤波恢复出同步控制信号。
Based on the ideas that the bond waves of chaotic attractor play an important role in chaotic synchronization, three synchronization schemes with simulation results are presented in this paper.
反之，若信号的频带宽度有限，当进行频域抽样时，时域必然发生混叠。
Contrarily, if the frequency bandwidth of signal is finite, the time length of signal will be infinite when sampling in frequency domain, the time folding phenomenon will certainly happen.
从这些自相关和谱当中，可以观察到周期平稳信号抽样的特殊性，这与平稳信号的抽样明显不同。
From all this auto correlation and spectrums, we can observe some properties of the sampling of the cyclic stationary signals, which may be obviously different from those of...
利用该算法可获得输入信号有声部份的抽样数据，即得到输入汉语词汇声音的准确抽样数据。实验表明，该算法是简易的、行之有效的。
By this algorithm, the precise sample data of isolated Chinese word utterance can be obtained, Experiments show that this algorithm is simple and effective.
主要步骤和要求：(1)由抽样判决后的AMI码型数字序列恢复出原始的PCM脉冲编码信号(0、1信号)。
Main steps and requirements: (1) post-judgment by the AMI code sample digital sequence to restore the original PCM pulse code signal (signal 0, 1).
主要步骤和要求：(1)由抽样判决后的AMI码型数字序列恢复出原始的PCM脉冲编码信号(0、1信号)。
Main steps and requirements: (1) post-judgment by the AMI code sample digital sequence to restore the original PCM pulse code signal (signal 0, 1).
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