摘要
在特定的非线性系统中,噪声的存在能够增强信号的响应, 这种现象为随机共振. 本文实验通过观察噪声对听觉阈限的影响,使学生了解声学中的随机共振现象.
In some nonlinear system, noise can enhance response to weak signal, as known as stochastic resonance. The experiment demonstrates stochastic resonance by observing influence of noise on hearing threshold.
出处
《物理实验》
2005年第1期3-4,8,共3页
Physics Experimentation
关键词
随机共振
听觉阈限
噪声
stochastic resonance
threshold of hearing
noise