Definition of Fourier Transform
对一个满足分段连续的函数\(f(t)\)做傅里叶变换，可以将其从时域（\(t\)）转换到频域（\(\omega\)），它的定义为：\(\displaystyle {\hat{f}(\omega)=\mathcal {F}}[f(t)]=\int _{-\infty}^{+\infty }f(t)e^{-i\omega t}\,\mathrm {d} t\)
If you want to change selection, open original toplevel document below and click on "Move attachment"
Summary
| status | not read | | reprioritisations | |
|---|
| last reprioritisation on | | | suggested re-reading day | |
|---|
| started reading on | | | finished reading on | |
|---|
Details