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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
HuaChuang
- 通过对滑窗处理的仿真，验证滑窗处理法对多相码脉压后的旁瓣抑制作用，仿真分为两个部分，存在多普勒频移和不存在多普勒频移-Through the sliding window treatment simulation, verification sliding window approach for polyphase code sidelobe pulse inhibition after simulation is divided into two parts, the presence and
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
chengxu
- 绘制lamb波频散曲线，求解兰姆波相速度曲线-Draw the lamb wave dispersion curve to solve the Lamb wave velocity curve
pinsanquxian.rar
- 该程序用于lamb波的频散分析，可以通过修改里面参数得到不同材质的相速度曲线。(The program for the lamb wave dispersion analysis, you can get different materials inside the phase velocity curve by modifying the parameters.)
lamb波频散曲线
- Lamb波的频散曲线是进行超声Lamb波无损检测的重要依据。本程序对Rayleigh2Lamb方程进行了分析，给出了无限大板中Lamb波频散曲线的数值计算方法，通过Matlab软件对求解过程进行编程，绘制出Lamb波在铝板中传播的相速度和群速度曲线，并通过试验进行了验证对推广应用Lamb波进行无损检测具有实际意义。(The dispersion curve of Lamb wave is an important basis for non-destructive testing of ultr