psd_array_welch

psd_array_welch是mne库中的一个函数，用于计算信号的功率谱密度。它采用了Welch方法，通过将信号分成多个重叠的段并对每个段进行傅里叶变换来估计功率谱密度。该函数的参数包括输入信号x、采样频率sfreq以及其他可选参数，如频率范围、窗口函数等。具体的函数定义和用法可以参考mne库的文档或源代码。\[2\]
#### 引用[.reference_title]
- *1* *3* [EEG 信号频带功率计算](https://blog.csdn.net/Ascn_/article/details/114450154)[target="_blank" data-report-click={"spm":"1018.2226.3001.9630","extra":{"utm_source":"vip_chatgpt_common_search_pc_result","utm_medium":"distribute.pc_search_result.none-task-cask-2~all~insert_cask~default-1-null.142^v91^insertT0,239^v3^insert_chatgpt"}} ] [.reference_item]
- *2* [mne.time_frequency.psd_array_welch](https://blog.csdn.net/weixin_67609590/article/details/128345162)[target="_blank" data-report-click={"spm":"1018.2226.3001.9630","extra":{"utm_source":"vip_chatgpt_common_search_pc_result","utm_medium":"distribute.pc_search_result.none-task-cask-2~all~insert_cask~default-1-null.142^v91^insertT0,239^v3^insert_chatgpt"}} ] [.reference_item]
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