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freqresponse
- 计算平面桁架的频响函数，求得某一节点的速度，加速度。-Frequency response function calculation plane truss, a node obtained velocity and acceleration.
IIR-
- 低通IIR数字滤波器设计，用数字滤波器的单位脉冲响应序列h(n)模仿模拟滤波器的冲激响应ha(t),令 h(n)=ha(nT)，其中T为采样间隔。将模拟滤波器转换成数字滤波器的实质是，用一种从s平面到z平面的映射函数将Ha(s)转换成H(z)。数字滤波器的频率响应模仿模拟滤波器的频响，s平面的虚轴映射z平面的单位圆，相应的频率之间成线性关系。-Low-pass IIR digital filter design
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- 根据滤波器指标选择合适的窗函数，计算窗函数的长度N，调用MATLAB函数fir1设计一个FIR低通滤波器。并编写程序，调用MATLAB快速卷积函数fftfilt实现对xt的滤波。绘图显示滤波器的频响特性曲线、滤波器输出信号的幅频特性图和时域波形图。
Suspension-with-Four-Free-Dimension
- 四自由度悬架的建模及自由振动频率求法、半波输入响应、受迫振动响应、频响函数响应、自由振动响应-Modeling and four degrees of freedom suspension method for finding free vibration frequency, half-wave input response, forced vibration response, frequency response function response, free vibration resp
chuang
- 用MATLAB软件实现带通，低通，高通滤波器的窗函数的频率响应，观察频响特点-MATLAB software band-pass, low pass, high pass filter window function frequency response, the observed frequency response characteristics
fft
- 这是进行matlab的fft频响函数估计，它可以进行随机激励的频响估计-this is a program which is fft analysis it can uate frf that is random exict
vibra_motaipinyu
- matlab实现试验模态频域参数识别：导纳圆法和最小二乘法（复模态—频响函数实虚部） -matlab achieve experimental modal parameter identification in frequency domain: admittance circle method and the least squares method (complex modal- FRF real and imaginary parts)
frequency-response
- 求梁的频响函数, 梁的频响函数, - frequency response
chengxu
- 求频响函数的实频、虚频、幅频、相频及Nyqiust图-Strives for the frequency response function of the real or imaginary frequency, amplitude frequency and phase frequency and Nyqiust figure
Per_spectrum
- 不同窗函数数下，自功率谱，互功率谱，频响函数和相干函数，绘制功率谱图-Not under the old function, since the power spectrum, cross-power spectrum, frequency response function and coherence function, map power spectrum
testFilter
- 系统传输函数测试，使用扫频法测试已知系统的频响特性并绘制相关的频响图(System transfer function test, frequency sweep method is used to test the frequency response characteristics of the known system, and to draw the relevant frequency response diagram)