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瑞利分布


瑞利分布

瑞利分布应用于信号处理。

它有两个参数

scale - (标准差)决定分布的平坦程度(默认为 1.0)。

size - 返回数组的形状。

示例

绘制一个尺度为 2,大小为 2x3 的瑞利分布样本。

from numpy import random

x = random.rayleigh(scale=2, size=(2, 3))

print(x)
自己尝试 »

瑞利分布的可视化

示例

from numpy import random
import matplotlib.pyplot as plt
import seaborn as sns

sns.distplot(random.rayleigh(size=1000), hist=False)

plt.show()

结果

自己尝试 »

瑞利分布与卡方分布之间的相似性

在单位标准差和 2 个自由度下,瑞利分布和卡方分布表示相同的分布。



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