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- An own experiment, confirmation frequency sampling theorem Namely the sampling points must enough be big, matlab. 自己的一个实验,验证频率的采样定理。即采样点数要足够大。
- frequency sampling theorem 频率抽样定理
- Based on sampling theorem, the modulation is completed by direct sideband spectrum shaping and linear frequency translation. 该方案基于带通信号的抽样理论,通过直接边带成形和线形频谱搬移来实现调制过程。
- And then the simulation of the sampling theorem is designed as a case. 然后设计了采样定理仿真的实例。
- Whitaker develops the sampling theorem that forms the basis of today's PCM and TCM technologies. T.;惠特克开发抽样定理,成为今天的PCM和TCM技术的基础理论。
- Assuming the Sampling Theorem is obeyed, what is the minimum rate of transmission of binary pulses, (which is) expressed in bits per second ? 若是遵守取样定理,则二元脉冲的传输最小速率为多少?请以每秒位元数表示。
- Both intermediate and base band frequency sampling schemes may be used in all digital DS/CDMA receiver. 全数字 DS/CDMA信号接收机既可以采用中频采样方案 ;也可以采用基带采样方案 .
- The experimental teaching of the sampling theorem is more important as it is a major theorem in digital signal processing. 由于取样定理是数字信号处理课程中的一个重要的定理;则它的实验教学就显得尤为重要.
- Since the wavelets possess symmetry and intrepolation, the sampling theorem on approximation subspace is established easily. 用该方法构造出的小波具有插值性和对称性,因而容易建立信号采样定理。
- In signal processing, second-generation enhanced intermediate frequency sampling speed and signal processing speed and capacity. 在信号处理方面,第二代提高了中频采样速度,并加强了信号处理的速度和能力。
- As a special case,the effect of rectangular envelope edge of pulse signal on intermediate frequency sampling is carefully studied. 作为一种特例 ,详细研究了简单脉冲信号矩形包络边沿对镜频抑制的影响 ;
- The digital quadrature sampling theorem for bandpass signal is presented and the optimum design for the sampling system is also discussed in this paper. 该文证明了带通信号的数字正交采样定理,并讨论了这种采样系统的优化设计。
- Based on the frequency sampling technique, we have proposed a new method for designing linear-phase FIR filters with steerable stopband dips. 本文在频率采样法的基础上提出了具有可控阻带凹陷特性的线性相位FIR滤波器的设计。
- A newly-designed digital bandpass filter for the dynamic balance machine is presented by using frequency sampling design method. 利用频率抽样设计法设计的数字带通滤波器应用于动平衡机中取得了满意的效果。
- Quantization noise analysis of linear phase frequency sampling FIR filters was discussed, and computation formula for measuring quantization noise was described in this paper. 主要分析了线性相位频率采样FIR滤波器中的量化噪声,并给出计算公式。
- 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. 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。
- This dissertation discusses the implementation of virtual oscillograph and virtual inductance micrometer. It analyses the sampling theorem and the different mode in Dos and Windows, accomplishing a signal acquisition system in Win32 operation system. 本文以低频虚拟示波器和虚拟电感测微仪为主要研究对象,从采样定理入手,分析了Dos下和Windows下的不同模式,论述了基于虚拟仪器概念的信号采集系统在Windows2000操作系统中的实现方案。
- This paper has discussed in detail that whether the sampling theorem is valid for sinusoidal signal and how to avoid the leakage when an infinite sinusoidal signal is blocked into a finite data. 讨论了抽样定理对正弦信号的适用性及对正弦信号截短时所应遵循的基本原则。
- For a bandlimited signal of finite energy, it is completely characterized by its samples,by the famous classical Shannon sampling theorem. 对于能量有限的有限带宽函数,用经典的Shannon采样定理表示。
- Except the simple and usual filter and algorithm, some advanced filter ways suchas Frequency sampling filter,Karlman filter and several new algorithms such as Cosine algorithm ,semiwave Fourier algorithm and wavelet transform algorithm are also studied . 除简单、常见的滤波和算法外,本章还探讨了一些性能先进的滤波方法如频率抽样滤波、卡尔漫滤波和几种微机保护新算法如余弦算法、半波傅氏算法以及小波变换算法等。