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guangdechuanbo
- 一束光通过一个透明圆柱体,圆柱后有一个屏幕,程序最终反映屏幕上的 图象随圆柱半径的变化而变化。其中光强分布是采用相干叠加原理,因为其中采 样点数目不足,所以光强分布的结果和真实的有一定差距。增加采样点数目和改 变采样点范围能够改善输出光强的结果逼真程度。
SAMPLE_P
- 用C语言程序设计仿真输入频率和相位的采样验证-With the C language program design and simulation input frequency and phase of the sampling verification
lvboqisheji
- 设计一个IIR数字低通滤波器, 逼近一组模拟滤波器的指标参数(通带截止频率Wp=2*pi*2000rad/s,阻带边界频率Ws=2*pi*3000rad/s,通带波纹 Rp=3db, 阻带衰减Rs=15db, 采样频率f=10000Hz); 分别用脉冲响应不变法和双线性变换法实现设计,列出传递函数并描绘模拟和数字滤波器的幅频和相频响应曲线。用上述设计滤波器完成几组给定信号的滤波,证明滤波器的有效性和滤波范围限制.-Design a IIR digital low-pass filter, app
discretsampling
- 现代采样技术中,所用到的最基本的画谱线图及信号重构的程序-Modern sampling technology, used the most basic of the chart and the reconstruction of the seed signal process
low-pass-filter-design
- 用频率采样法设计FIR低通滤波器,本科生毕业设计用-Undergraduate graduation design with low-pass filter design FIR frequency sampling method,
accurate_liu
- 在相干通信中精确恢复眼图,使用正弦函数作为例子,经过欠采样后,对数据进行FFT变换后在进行精同步-After the restoration of coherent communications precise eye, using a sine function as an example, after subsampling, FFT transform data during fine synchronization
ECG
- 该程序可以用于产生心电信号。通过对采样频率等参数的设置能够产生近乎于真实的心电信号-The program can be used to generate ECG. By setting the sampling frequency and other parameters to generate near-real ECG
1
- 2.利用FFT对信号进行谱分析 对于连续信号xa(t)=cos(2πf1t) +5cos(2πf2t) +cos(2πf3t) ,其中f1=6.5kHz, f2=7kHz, f3=9kHz, 以采样频率fs=32 kHz对其进行采样, (1)对xa(t) 信号采集16点样本,分别作16点和补零到256点的FFT,并分别绘出对应的幅频特性曲线。 (2)对xa(t)信号采集256点样本,分别作256点和512点的FFT,并分别绘出对应的幅频特性曲线。 (3)比较(1)和(2)
fft_analysis
- 画出信号的频谱图,讨论不同采样点数时的傅里叶频谱图变化-research on the difference of the fft with different samplings
brocldbre-algorithm-good
- 本程序为构造小波信号,主要采用上采样的算法实现,,不错的-This procedure for constructing the wavelet signal, mainly adopts the sampling algorithm, and good
Rayieigh__channel
- 瑞利衰落信道仿真在不同频率和采样频率下的仿真程序,不错的-Rayleigh fading channel simulation under different frequency and sampling frequency simulation program, good
trthsubgroup
- caiyang 演示采样定理,时域采样,频谱周期延拓 不错的源码-Caiyang demo sampling theorem, the time domain sampling, spectrum cycle continuation good source
line
- 图形学作业,光栅图形学部分,绘制直线,消除锯齿,高斯采样(homeworks of Graphics, raster graphics, draw lines, eliminate aliasing, Gauss sampling)