Description: 离散信号处理 1、信号的生成方法
2、频域信号的分析
3、求正弦信号的频率
4、求正弦信号的加入时间
5、滤波器的设计
-1 discrete signal processing, signal generation method 2, the frequency domain analysis of signal 3, and 4 the frequency of sinusoidal signal, and added sinusoidal signal 5, filter design Platform: |
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Author:tengfang |
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Description: 何振亚的现代谱估计.本书全面系统地论述了现代谱估计技术中的各种理论与方法。全书共九章，内容包括；纯连续谱沽计的AR与ARMA模型参量法、纯离散谱与混合谱估汁的正弦组合与阻尼复指数模型参量法、非参量法谱估计的最小方差法与奇异值/特征值分解处理法、应用信息论的墒谱估汁法、多谱(高阶谱)估计、二维潜估计与多维阵列谱估计。本书取材广泛，内容新颖，理论联系实际，系统性强。
-He Zhenya Modern spectral estimation. This book comprehensively and systematically discusses the modern spectral estimation techniques in a variety of theories and methods. Book a total of nine chapters, including pure continuous spectrum of sell ARMA model with AR parameter method, pure discrete spectrum and mixed spectrum estimation of sinusoidal juice combination of complex exponential model with the damping parameter method, non-parameter method of minimum variance spectral estimation method with the singular value/eigenvalue decomposition treatment method, the application of information theory the entropy spectrum estimation juice method, multi-spectral (HOS) estimates that two-dimensional latent estimation and multi-dimensional spectral estimation array. The book based on a wide range of content of a novel theory with practice, systemic strong. Platform: |
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Author:songzy41 |
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Description: 针对离散系统的阶跃信号,正弦信号和方波信号的位置响应,设计了离散pid控制器-Step for discrete-time systems signal, sinusoidal signal and the square wave signal in response to the location, design a discrete controller pid Platform: |
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Author:赵振江 |
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Description: 离散系统的数字PID仿真:针对离散系统的阶跃信号、正弦信号和方波信号的位置响应，设计离散PID控制器。其中，S为信号选择变量，S=1时为阶跃跟踪，S=2时为方波跟踪，S=3时为正弦跟踪。-PID digital discrete system simulation: discrete-time systems for the step signal, sinusoidal signal and the square wave signal in response to the location, design of discrete PID controller. One, S for signal selection variable, S = 1 when tracking step, S = 2 for the square-wave tracking, S = 3 for sinusoidal tracking. Platform: |
Size: 1024 |
Author:fanghua |
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Description: 典型信号产生,正弦，周期以及高斯随机信号，连续和离散两种都有！-Typical signal generator, sinusoidal cycle, as well as Gaussian random signal, have both continuous and discrete! Platform: |
Size: 1024 |
Author:wincom |
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Description: 针对离散系统的阶跃信号、正弦信号和方波信号，设计离散PID-Step for the discrete-time systems signal, sinusoidal signal and the square wave signal, the design of discrete PID Platform: |
Size: 1024 |
Author:陈强 |
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Description: 1. 连续和离散时间信号与系统的MATLAB表达及简要分析。
（1） 列出单位冲激函数、单位阶跃、复指数函数等连续信号的MATLAB表达式。
（2） 产生一个幅度为2，数字角频率为 ，相位为 的正弦序列。
-1. Continuous and discrete-time signals and systems and a brief analysis of MATLAB expression. (1) are listed in unit impulse function, unit step, complex exponential function, such as the MATLAB signal for expression. (2) produce a range of 2, the number of angular frequency for the sinusoidal phase sequence for. Platform: |
Size: 5120 |
Author:惠 |
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Description: 系统的数字PID仿真:针对离散系统的阶跃信号、正弦信号和方波信号的位置响应，设计离散PID控制器。其中，S为信号选择变量，S=1时为阶跃跟踪，S=2时为方波跟踪，S=3时为正弦跟踪。--Digital PID simulation system: the step for the discrete system signals, sine and square wave signal the location of response, and design for discrete PID controller. Where, S is the signal selection variable, S = 1 when the step trace, S = 2 when a square wave trace, S = 3 when sinusoidal tracking.- Platform: |
Size: 1024 |
Author:离散 |
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Description: A numerically-controlled oscillator (NCO) is a digital signal generator which creates a synchronous (i.e. clocked), discrete-time, discrete-valued representation of a waveform, usually sinusoidal. Platform: |
Size: 12288 |
Author:rita |
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Description: 插值离散傅里叶变换用于正弦信号频率估计，以及在ADC有效位测试中的应用。-Interpolated discrete Fourier transform for sinusoidal frequency estimation, and the effective bits in the ADC test applications. Platform: |
Size: 2048 |
Author:李悦 |
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Description: 在雷达、声纳、通信以及振动工程等领域中经常根据离散观测值（采样序列）对正弦信号的参数进行估计。采用复信号模型给信号分析和处理带来很大方便,因此文献中通常采用复正弦信号模型。-In radar, sonar, communications and vibration engineering and other fields are often based on discrete observations (sample sequence) of the sinusoidal signal parameters estimation. Using a complex signal analysis and signal processing models to bring great convenience, it is usually the literature using a complex sinusoidal signal model. Platform: |
Size: 112640 |
Author:wuyanjun |
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Description: 基于matlab的数字信号的实现，包括单位阶跃，单位脉冲，正弦和指数序列-Based on the realization of matlab digital signal, including unit step, unit impulse, sinusoidal and index sequence Platform: |
Size: 1024 |
Author:罗杰 |
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Description: 清华张旭东老师《离散随机信号处理》教材第5章。本章首先简要复习经典谱估计的基本结论，然后分别讨论基于线性系统模型和复正弦模型的功率谱估计方法。-Qinghua Zhang Xudong teacher " discrete stochastic signal processing" textbook Chapter 5. This chapter begins with a brief review of the classical spectral estimation basic conclusion, and then discuss the power spectrum estimation based on linear system models and complex sinusoidal model approach. Platform: |
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Author:吴丹 |
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Description: 离散傅里叶、快速傅里叶算法实现，以正弦信号为例，包含谐波计算-Discrete Fourier transform, fast Fourier transform, a sinusoidal signal, for example, includes a harmonic calculation Platform: |
Size: 3072 |
Author:云 |
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Description: 1、用Matlab产生正弦波，矩形波，并显示各自的时域波形图；
2、进行FFT变换，显示各自频谱图，其中采样率、频率、数据长度自选，要求注明；
3、绘制三种信号的均方根图谱；
4、用IFFT回复信号，并显示恢复的正弦信号时域波形图。
-1, using Matlab to generate sine wave, square wave, and shows the respective time-domain waveform
2, FFT transform, display each spectrum, where the sampling rate, frequency, length of data demand, requirements specified
3, three maps drawn rms signal
4, the reply signal by IFFT, the sinusoidal signal and displays the recovered time-domain waveform. Platform: |
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Author:谢明 |
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Description: 典型连续信号和离散信号的时频分析，包括：单位冲激信号、单位阶跃信号、矩形脉冲信号、正弦信号、指数序列-Typical continuous signal and discrete signal frequency analysis, including: unit impulse signal, the unit step signal, rectangular pulse signal, sinusoidal signal, the index sequence, etc. Platform: |
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Author:郭艳 |
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Description: 对连续时间正弦信号x(t) sin(2π t+ )，可以按抽样频率 1/ 对x(t)抽样来获得离散时间信号x[n] x(t) sin( ).
以不同的组合f0和fs绘出x[n],可以说明混叠问题。以下，去抽样频率fs 8kHZ.
(a)绘出一个被抽样的正弦波单图。正弦波频率300Hz，10ms间隔上抽样，相位任意指定。使用stem绘图。
(b)使用plot绘图。
(c)将正弦波频率从100Hz变至475Hz，每次增加125Hz。绘图。
(d)将正弦波频率从7525Hz变至7900Hz，每次增加125Hz。绘图。
(e)将正弦波频率从32100Hz变至32475Hz，每次增加125Hz。绘图。
讨论显现频率是增加还是减少
-For the continuous time sinusoidal signal x (t) sin (2π t+), the discrete time signal x [n] x (t) sin () can be obtained by sampling the sampling frequency 1/x (t).
The x [n] is plotted with different combinations f0 and fs, which can explain the aliasing problem. Here, the sampling frequency fs 8kHZ.
(A) Draw a sampled sine wave single graph. Sine wave frequency 300Hz, 10ms interval sampling, the phase specified arbitrarily. Use stem drawing.
(B) use the plot plot.
(C) change the sine wave frequency 100Hz to 475Hz, each increase 125Hz. Drawing.
(D) change the sine wave frequency 7525Hz to 7900Hz, each increase 125Hz. Drawing.
(E) change the sine wave frequency 32100Hz to 32475Hz, each increase 125Hz. Drawing.
Discuss whether the apparent frequency is increased or decreased Platform: |
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Author:张丽丽 |
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Description: 基础数字信号处理例程。包括生成正弦信号，添加噪声，用plot和stem函数画出连续时间信号和离散时间信号(Basic digital signal processing routines. This includes generating sinusoidal signals, adding noise, and plotting continuous time signals and discrete time signals using plot and stem functions.) Platform: |
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Author:shirayuki |
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Description: 常见离散信号的MATLAB产生和图形显示
1． 单位抽样序列
在MATLAB中可以利用zeros()函数实现。
如果 在时间轴上延迟了k个单位，得到 即：
2．单位阶跃序列
在MATLAB中可以利用ones()函数实现。
3．正弦序列
在MATLAB中
4．复正弦序列
在MATLAB中
5．指数序列
在MATLAB中(MATLAB generation and graphic display of common discrete signals
1. unit sampling sequence
The zeros () function can be implemented in MATLAB.
If we delay K units on the time axis, we get:
2. unit step sequence
The ones () function can be implemented in MATLAB.
3. sinusoidal sequence
In MATLAB
4. complex sinusoidal sequence
In MATLAB
5. exponential sequence
In MATLAB) Platform: |
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Author:kuaijg |
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