搜索资源列表
Modalresponse
- 结构动力学有限元计算，基于MATLAB模态频响分析方法-frequency response analysis
sensor-design
- 根据振动对象测试量和传感器拟输出量建立一个振动测量传感器的力学模型， 并导出其基本运动方程。 由运动方程求出频响方程， MATLAB或者C编程绘出幅频特性曲线， 相频特性曲线。-According to the amount of vibration test object and the sensor output of the proposed establishment of a vibration measuring mechanical model of the sen
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
data
- matlab计算声子晶体频响函数源代码，附计算数据案例-The matlab calculation of phononic crystal frequency response function source code, with the calculated data case
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-function-
- 通过小锤敲击锚杆，采集力和加速度信号，计算得到频响函数-Through a small hammer percussion anchor, gathering force and acceleration signals, frequency response function is calculated
identfromfrf
- 阻尼建模，根据频响函数进行阻尼建模工作，求得阻尼矩阵。-Damping modeling, modeling damping according to frequency response function, damping matrix is obtained.
motaifenxi
- 求频响函数的实频、虚频、幅频、相频及Nyqiust图-Seeking FRF real frequency, imaginary frequency, amplitude and frequency, phase frequency and Nyqiust Figure
noise_reduction
- 设计音频降噪算法，并用MATLAB仿真实现。 1）读入一段音频后添加噪声，必须包括两种不同的噪声，信噪比：0dB~10dB； 2）分别采用滑动平均滤波器，直接频域滤波，以及谱分析后设计滤波器滤波三种方法实现，并对比效果。 3）给出各种方案的设计依据、代码、频响曲线，以及输入输出对比图。-Audio noise reduction algorithm design, and use MATLAB Simulation. 1) Read after adding noise int
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
frequency-response-function
- 频率响应函数简称，频响函数。为互功率谱函数除以自功率谱函数得到的商-frequency response function. means the mutual power spectrum function, divided by the power spectrum function
Least-square-ident
- 最小二乘法模态参数识别（复模态—频响函数实虚部）-Least square method modal parameter identification
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
fangban_pinxianghanshu
- 通过MATLAB编程，求解出结构的质量矩阵，刚度矩阵，特征值，特征向量，并求得结构的响应(Through MATLAB programming, the mass matrix, stiffness matrix, eigenvalue and eigenvector of the structure are solved, and the response of the structure is obtained)
chenxu
- （1）录制一段语音信号，完成对信号的采样，画出信号的时域波形和频谱图，确定信号的频谱范围； （2）给信号叠加噪声（噪声类型分为如下几种：a白噪声；b单频噪色（正弦干扰）；c多频噪声（多正弦干扰）；d其它干扰。），画出受噪声干扰的信号时域波形和频谱图； （3）采用窗函数法设计FIR低通滤波器，画出滤波器的频响特性图； （4）用所设计的滤波器对受噪声影响的信号进行滤波，画出滤波后语音信号的时域波形图和频谱图； （5）对滤波前后的信号进行对比，分析信号的变化；回放语音信号，并与原始语音信号对比
Distributed Tansfer Function Method
- 利用分布参数系统的传递函数法对带有扩展层的约束阻尼梁进行编程分析，得到频率响应曲线，并获得位移峰值对应的频率，即固有频率。(The transfer function method of distributed parameter system is used to analyze the constrained damping beam with extended layer, and the frequency response curve is obtained, and the freq
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)
KD1050L_SN140832
- 传感器标定表,传感器频响曲线，振动传感器标定(GSEGYView is a viewer for seismic data in SEG-Y format, its modifications, and many other related formats aimed to store either petroleum exploration data or seismology data. GSEGYView features graphics hardware acceleratio
随机信号谱分析
- 随机信号谱分析，给出了随机信号的自相关函数，互相关函数，频响函数，相干函数(Random signal spectrum analysis)