pygrt.signals

file:

signals.py

author:

Zhu Dengda (zhudengda@mail.iggcas.ac.cn)

date:

2024-07-24

该文件包括一些常见的时间信号，最高幅值均为1

pygrt.signals.gen_triangle_wave(vlen, dt)

generate triangle-shape wave

参数:

• vlen – signal length (s)

• dt – time interval (s)

返回:

• wave - amplitude sequence

pygrt.signals.gen_parabola_wave(vlen, dt)

generate parabola-shape wave

参数:

• vlen – signal length (s)

• dt – time interval (s)

返回:

• wave - amplitude sequence

pygrt.signals.gen_trap_wave(t1, t2, t3, dt)

generate trapezoid-shape wave

参数:

• t1 – ramp-up cutoff time (s)

• t2 – plateau cutoff time (s)

• t3 – ramp-down cutoff time (s)

• dt – time interval (s)

返回:

• wave - amplitude sequence

pygrt.signals.gen_ricker_wave(f0: float, dt: float)

generate Ricker wavelet

参数:

• f0 – center frequency (Hz)

• dt – time interval (s)

返回:

• wave - amplitude sequence