在matlab中计算单位冲击脉冲响应曲线，冲击脉冲有5种，初始条件为0-in Matlab calculations unit impulse response curve, the impact of a pulse 5, the initial conditions 0

脉冲微分方程-生物数学模型持久性和灭绝的数值仿真MATLAB程序-The pulse differential equations- bio-mathematical model of persistence and extinction of numerical simulation of MATLAB program

通过对各种窗函数的matlab仿真，比较各种窗函数的频谱特性，并且将不同的窗函数加权到脉压信号上，观察特性的优劣-Based on all kinds of window function of matlab simulation, compare all kinds of window function, the characteristic of the frequency spectrum of and different window function weighting to the

仿真b超成像，换能器发射超声激励脉冲扫描盒子中的散射点及囊肿，成像(The scattering points and cysts in the pulse scanning box are transmitted by transducer)