用pdf中左侧的数据，绘制出右侧一模一样的图片。python

要使用Python绘制PDF中所示的图表，可以利用`matplotlib`库来实现。以下是一个示例代码，展示如何读取数据并绘制图表：

import matplotlib.pyplot as plt

# 数据
focus_positions = [
    48.36, 48.46, 48.56, 48.66, 48.76, 48.86, 48.96, 49.06, 49.16, 49.26,
    49.36, 49.46, 49.56, 49.66, 49.76, 49.86, 49.96, 50.06, 50.16, 50.26
]

mtf_values = {
    'T_LU': [0.13465, 0.141052, 0.152084, 0.173334, 0.203639, 0.243475, 0.290377, 0.340109, 0.39084, 0.442893,
             0.489147, 0.529084, 0.558512, 0.576855, 0.579174, 0.562849, 0.532553, 0.49243, 0.35, 0.382758],
    'S_LD': [0.381013, 0.370201, 0.342821, 0.297175, 0.243771, 0.196262, 0.151701, 0.115996, 0.115309, 0.151814,
             0.191679, 0.238722, 0.286202, 0.318836, 0.340972, 0.350182, 0.343842, 0.330352, 0.08, 0.301372],
    'S_RU': [0.222642, 0.221937, 0.217647, 0.211845, 0.208867, 0.209434, 0.212484, 0.219023, 0.230319, 0.247753,
             0.27404, 0.306336, 0.340732, 0.378056, 0.413153, 0.440321, 0.463391, 0.477757, 0.480897, 0.470015],
    'T_RD': [0.1150272, 0.130674, 0.150004, 0.174637, 0.207449, 0.245557, 0.291211, 0.337437, 0.384366, 0.432714,
             0.474737, 0.509705, 0.533744, 0.542846, 0.532457, 0.509702, 0.4744118, 0.428145, 0.373566, 0.310975]
}

# 绘制图表
plt.figure(figsize=(10, 6))

for key, values in mtf_values.items():
    plt.plot(focus_positions, values, label=key)

plt.xlabel('Focus')
plt.ylabel('MTF')
plt.title('MTF vs Focus')
plt.legend()
plt.grid(True)
plt.show()

这个代码会生成一个与PDF中类似的图表，显示不同焦点位置下的MTF值。你可以根据需要调整图表的样式和标签。希望这对你有帮助！