搜索资源列表
DSPHOMEWORK
- 设信号 ，用 对x(t)采样得x(n)，是否会发生频谱混叠？现利用FFT分析其频谱。 1．编程绘制该信号的波形。 2．若令N=16，编程对x(n)做FFT运算，并绘制其幅频特性曲线。 3．令N=1024，编程对x(n)做FFT运算，并绘制其幅频特性曲线。 4．分析2、3的运算结果。 设计调试报告要求： 1．工作原理简述； 2．设计思路； 3．难点及解决方法； 4．设计、调试结果及分析； 5．程序文本及操作步骤。-based signal
2013.4.1
- 单载频雷达信号在欠采样条件下产生频谱混叠，用MATLAB仿真验证的结果-Subsampling conditions of single carrier frequency radar signal spectrum aliasing, using MATLAB simulation results
ddc_purechangeone
- 数字下变频器的matlab仿真，包括基带信号的调制，然后经过混频模块、CIC模块、FIR模块最后得到基带信号的过程-Digital down converter matlab simulation, including the modulation baseband signal, and then after mixing module, CIC module, FIR module finally get baseband signal process
BPSK
- 此调频接收机的设计可以分成调谐回路、高频放大、混频、本机振荡、中频放大、鉴频、低频功放等几个部分。-This design can be divided into the FM receiver tuning circuit, high frequency amplification, mixing, local oscillator, IF amplification, frequency, low frequency amplifier and other sections.
MyMixer
- VB程序，可以用以代替系统的音量混频器，不过好象无法显示实时音量。-VB program, can be used to instead of the volume of the system, mixer, but seems to be unable to display real-time volume.
LNA-and-mixer
- ADS编程，通过ads2008，仿真了低噪声放大器LNA和混频器-ADS programming, through ads2008, simulation of the low noise amplifier LNA and mixer
hunpinqi
- 基于Multisim设计仿真的三极管混频器，可以实现将两种不同频率的信号进行混频，最后输出中频信号。-Based Design Simulation Multisim transistor mixer, two different frequencies can be mixed signals, and finally outputs an intermediate frequency signal.
single_sta_tar
- 实现三角调制调频连续波的产生，波形时频域分析，及其与回波混频后差频的仿真，效果很好，希望有帮助！-Triangular modulation frequency modulation continuous wave generation, waveform analysis in frequency domain, and the echo frequency difference after mixing simulation, the effect is very good, I hope
信号与系统应用
- 信号与系统的应用，对同一个连续周期信号，选定不同采样间隔 s T 和信号截取长度 1 T ，获得离散 信号，使用DFT或FFT 进行频谱分析，画出频谱图，与理论计算的结果进行比 较，观察： （1）不同采样率 s T 对频率范围和混叠误差的影响； （2）不同采样长度 1 T （单周期采样和多周期采样）对频率分辨率的影响； （3）是否完整周期采样对泄漏误差的影响，多周期采样是否可以减小非完整周 期采样产生的泄漏误差。 以下信号中叠加了一个角频率为50 ? 的高频干扰信号，信号如下： 3 (
bodaocW5
- 用于研究硅基波导或者光纤中的非线性效应，非常有用，(it is used for the research abobt nonlinearity effect based on silicon waveguide)
ddc
- 实现中频信号的下变频处理，包括混频和滤波(implement DDC useing matlab)
time len dan
- 基于四波混频效应实现时间透镜的代码，很好用。(Based on the four wave mixing effect to realize the time lens code, very good.)
time len shuang
- 利用四波混频效应来实现双时间透镜，功能很全。(The dual time lens is realized by using the four wave mixing effect, and the function is very full.)
FWM
- 基于四波混频效应来实现全光逻辑门，有时域谱和频域谱，基于四阶龙格库塔法求解。(All optical logic gates are realized based on the four wave mixing effect, and sometimes the domain spectrum and frequency domain spectrum are solved based on the four order Runge Kutta method.)
midasr_0.6.tar
- 混频回归模型的r语言包，里边包括例题啥的。(The package of midas (mixed frequecncy), which includes the concrete code of some examples.)
matlab
- 本程序可是实现用MATLAB进行复杂声音信号的采集，以及进行频谱分析，并对采集到的信号进行滤波处理，有高斯滤波和其他滤波器。(This program realizes the acquisition and analysis of complex sound signals with MATLAB, and filters the collected signals. There are Gauss filters and other filters.)
ＭＩＤＡＳ
- 对宏观低频经济数据与微观高频数据进行混频数据建模(Mixing data modeling of macro low frequency economic data and micro high frequency data)
complex_reverberation
- 可实现海洋混响信号统计模型的建立，发射信号为LFM或单频信号，参数可调，得到的模型很好的符合混响的统计特性(It can establish the statistical model of marine reverberation signal. The transmitted signal is LFM or single frequency signal, and the parameters can be adjusted. The model is in good agreement
matlab code
- MIDAS实现（混频数据模型），例如用日度数据预测月度数据(Midas implementation (mixing data model), such as forecasting monthly data with daily data)