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eg-fft
- fft1.用Matlab产生正弦波,矩形波,以及白噪声信号,并显示各自时域波形图 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 3.做出上述三种信号的均方根图谱,功率图谱,以及对数均方根图谱 4.用IFFT傅立叶反变换恢复信号,并显示恢复的正弦信号时域波形图-fft1. Using Matlab generated sine wave, rectangular wave, as well as the white noise signal, and displa
OFDM_cyclic_spectrum
- % 仿真主要完成OFDM系统建模,实现OFDM系统传输流程, % 并对OFDM信号的时域波形及功率普密度进行分析.进行循环谱相关切片的分析。- Simulation of the main complete OFDM system modeling, the realization of OFDM transmission system process, of the OFDM signal in time domain waveforms and power density analysi
QPSKvsQAM
- Matlab实现QPSK和16-QAM的仿真,绘制信号散点图及相应时域波形图-Matlab realization of QPSK and 16-QAM simulation, rendering the signal scatter and the corresponding time-domain waveform
sscyf
- 典型窗函数的归一化幅频对数特性,凯泽窗的时域波形,低通滤波器的增益特性比较,实际滤波器的幅频特性-Typical window function of the normalized logarithmic amplitude-frequency characteristics, Kaiser window in time domain waveforms, low pass filter gain characteristics compared to the actual filter amp
chapter051
- 频域采样重建序列和原序列的时域波形,原始频谱与补零频谱的比较等-Frequency-domain sample sequence and the reconstruction of the original sequence of time-domain waveform, the original spectrum with zero spectrum comparison
response_of_interconnect_line
- 微波高速电路中,单根有耗互连传输线电路如word中图所示表中给出其参量值,其中导线材料为铜,给出传输线的时域波形分析。-Microwave high-speed circuits, a single lossy transmission line interconnection circuits, such as word shown in the table given its reference value, in which copper wire materials, transmiss
qamdemo
- 非恒定信号QPSK信号散点图及相应的时域波形-Non-constant signal QPSK signal scatter and the corresponding time-domain waveform
moni
- 用正交调制方法实现模拟调制,包括AM,DSB,SSB,LSB,FM,AM-FM等,实现后,显示时域波形和功率谱密度-Orthogonal modulation method used for analog modulation, including AM, DSB, SSB, LSB, FM, AM-FM, etc., we can show the time-domain waveform and power spectral density
CWsinal
- matlab绘制CW信号的时域波形,同时对信号进行频谱分析,并考察采样频率以及信噪比对频谱分析的影响。-matlab draw CW signal time-domain waveform, and spectral analysis of signals and the sampling frequency and signal to noise ratio study of the impact of spectrum analysis.
LPM
- 用matlab绘制线性调频信号的时域波形,同时对信号进行频谱分析,并考察采样频率以及信噪比对频谱分析的影响。-Matlab drawing with linear frequency modulation signal time-domain waveform, and spectral analysis of signals and the sampling frequency and signal to noise ratio study of the impact of spectrum
052520
- 提出了一种用于矢量量化的改进的聚类算法,该算法在MKM(Modified K-Means)算法的框架的基础上,对初始码本的生成、失真测度的选择、非典型胞腔的处理等方面进行了改进,从而减少了原算法在能量和增益上对聚类结果的影响.并将该算法应用于波形编辑孤立字识别器,这种识别器直接对语音样本的时域波形进行训练和聚类,不需要提取语音参数,算法复杂度较低,加上提出的聚类算法失真测度简单易实现,对芯片的运算能力要求不高,非常适用于有低成本要求的语音识别器场合.通过中文元音字识别的实验证明,在相同码本尺寸下
AD9833
- AD9833是ADI公司生产的一款低功耗,可编程波形发生器,能够产生正弦波、三角波、方波输出。波形发生器广泛应用于各种测量、激励和时域响应领域,AD9833无需外接元件,输出频率和相位都可通过软件编程,易于调节,频率寄存器是28位的,主频时钟为... -AD9833 is ADI produced by a low-power, programmable waveform generator can produce sine wave, triangle wave, square wave
matlabhuizhilianxulisanxihao
- matlab绘制连续时域信号时域波形,初学者可以借鉴一下这些程序熟悉命令。-matlab draw for time-domain signal waveform in time domain, beginners can learn from these procedures are familiar with the order.
Matlab
- 选择三个不同频段的信号对其进行频谱分析,根据信号的频谱特征设计三个不同的数字滤波器,将三路信号合成一路信号,分析合成信号的时域和频域特点,然后将合成信号分别通过设计好的三个数字滤波器,分离出原来的三路信号,分析得到的三路信号的时域波形和频谱,与原始信号进行比较,说明频分复用的特点。-Choice of three different signal-band spectral analysis carried out, according to the characteristics of the
voise
- 用MATLAB对原始语音信号进行分析,画出它的时域波形和频谱 -Using MATLAB to carry out the original speech signal analysis, to draw its time-domain waveform and spectrum
fencha
- 编写分叉图的计算程序; 选择一个混沌区的控制参量a,并编写时域波形的计算程序-Bifurcation diagram of the preparation program Choose a zone of chaos control parameter a, and the preparation of time-domain waveform of the calculation program
jkdde
- 模拟单边带调幅及解调 基本要求: 产生300 ~ 3400Hz的调制信号,画出时域波形及频谱; 产生载波信号,频率自定义,画出时域波形及频谱; 产生加性高斯白噪声,画出时域波形及频谱; 单边调幅,画出叠加噪声后的调制信号和已调信号的波形及频谱; 设计滤波器,画出幅频响应图; 解调,画出解调后的信号时域波形及频谱,并对比分析。 -Simulation of s
IIRdigitalfilerdesignanoftwareimplementation
- IIR数字滤波器设计及软件实现。1. 熟悉用双线性变换法设计IIR数字滤波器的原理与方法; 2. 学会调用MATLAB信号处理工具箱中滤波器设计函数(或滤波器设计分析工具fdatool)设计 各种IIR数字滤波器,学会根据滤波需求确定滤波器指标参数。 3. 掌握IIR数字滤波器的MATLAB实现方法。 4. 通过观察滤波器输入输出信号的时域波形及其频谱,建立数字滤波的概念。 -IIR digital filter design and software implementat
RS_232_FULIYE
- vc 6.0下使用MSComm控件进行串口通讯,可进行相应的通讯设置,显示串口数据并动态绘制波形图/曲线图,使用快速傅里叶变换将时域信号的串口数据转换为频域值,并动态显示。代码内有注释-vc 6.0 control for the use of MSComm serial communications, the communications can be set, indicating the serial data and dynamic mapping wave/curve, the use
qamdemo
- 本程序是为了考擦非恒定的QPSK信号的散点图及相应的时域波形,对于通信工作人员具有通用性。-This procedure is to test the non-constant rubbing of the QPSK signal scatter and the corresponding time-domain waveform for the communications staff of generality.