PQD

标签

数学公式

参数变量

正常

C1

$y\left(t\right)=A\left[1\pm \alpha \left(\mu \left(t-t_1\right)-\mu \left(t-t_2\right)\right)\right]\sin \left(\omega t\right)$

$\alpha \le 0.1;T\le t_2-t_1\le 9T$

暂降

C2

$y\left(t\right)=A\left[1-\alpha \left(\mu \left(t-t_1\right)-\mu \left(t-t_2\right)\right)\right]\sin \left(\omega t\right)$

$0.1\le \alpha \le 0.9;T\le t_2-t_1\le 9T$

波动

C3

$y\left(t\right)=A\left[1+\alpha \left(\mu \left(t-t_1\right)-\mu \left(t-t_2\right)\right)\right]\sin \left(\omega t\right)$

$0.1\le \alpha \le 0.8;T\le t_2-t_1\le 9T$

中断

C4

$y\left(t\right)=A\left[1-\alpha \left(\mu \left(t-t_1\right)-\mu \left(t-t_2\right)\right)\right]\sin \left(\omega t\right)$

$0.9\le \alpha \le 1;T\le t_2-t_1\le 9T$

谐波

C5

$\begin{array}{l}y\left(t\right)=A[{\alpha }_1\sin \left(\omega t\right)+{\alpha }_3\sin \left(3\omega t\right)\\ +{\alpha }_5\sin \left(5\omega t\right)+{\alpha }_7\sin \left(7\omega t\right)]\end{array}$

$\begin{array}{l}0.05\le {\alpha }_3,{\alpha }_5,{\alpha }_7\le 0.15;\\ {\displaystyle \sum {\alpha }_i^2}=1\end{array}$

振荡瞬态

C6

$\begin{array}{l}y\left(t\right)=A[\sin \left(\omega t\right)\\ +{\alpha }^{-c\left(t-t_1\right)/\tau }\sin {\omega }_n\left(t-t_1\right)\left(\mu \left(t_2\right)-\mu \left(t_1\right)\right)]\end{array}$

$\begin{array}{l}0.1\le {\alpha }_f\le 0.8;0.5T\le t_2-t_1\le 3T\\ 8\text{ms}\le \tau \le 40\text{ms};300\le {\omega }_n\le 900\text{Hz}\end{array}$

脉冲瞬态

C7

$y\left(t\right)=A\left[1+\alpha \left\{\mu \left(t-t_2\right)-\mu \left(t-t_1\right)\right\}\right]\sin \left(\omega t\right)$

$0\le \alpha \le 0.414;\frac{T}{20}\le t_2-t_1\le \frac{T}{10}$

凹陷加谐波

C8

$\begin{array}{l}y\left(t\right)=A\left[1-\alpha \left(\mu \left(t-t_2\right)-\mu \left(t-t_1\right)\right)\right]\\ \times \left[{\alpha }_1\sin \left(\omega t\right)+{\alpha }_3\sin \left(3\omega t\right)+{\alpha }_5\sin \left(5\omega t\right)\right]\end{array}$

$\begin{array}{l}0.1\le \alpha \le 0.9;T\le t_2-t_1\le 9T\\ 0.05\le {\alpha }_3,{\alpha }_5,{\alpha }_7\le 0.15;{\displaystyle \sum {\alpha }_i^2}=1\end{array}$

波动加谐波

C9

$\begin{array}{l}y\left(t\right)=A\left[1-\alpha \left(\mu \left(t-t_2\right)-\mu \left(t-t_1\right)\right)\right]\\ \times \left[{\alpha }_1\sin \left(\omega t\right)+{\alpha }_3\sin \left(3\omega t\right)+{\alpha }_5\sin \left(5\omega t\right)\right]\end{array}$

$\begin{array}{l}0.1\le \alpha \le 0.8;T\le t_2-t_1\le 9T\\ 0.05\le {\alpha }_3,{\alpha }_5,{\alpha }_7\le 0.15;{\displaystyle \sum {\alpha }_i^2}=1\end{array}$

中断加谐波

C10

$\begin{array}{l}y\left(t\right)=A\left[1-\alpha \left(\mu \left(t-t_2\right)-\mu \left(t-t_1\right)\right)\right]\\ \times \left[{\alpha }_1\sin \left(\omega t\right)+{\alpha }_3\sin \left(3\omega t\right)+{\alpha }_5\sin \left(5\omega t\right)\right]\end{array}$

$\begin{array}{l}0.9\le \alpha \le 1;T\le t_2-t_1\le 9T\\ 0.05\le {\alpha }_3,{\alpha }_5,{\alpha }_7\le 0.15;{\displaystyle \sum {\alpha }_i^2}=1\end{array}$