Update 2024-04-21-sampling.markdown

mmmhj2 · Apr 21, 2024 · 9996cd3 · 9996cd3
1 parent 3a900e2
commit 9996cd3
Show file tree

Hide file tree

Showing 2 changed files with 6 additions and 0 deletions.
diff --git a/_posts/2024-04-21-sampling.markdown b/_posts/2024-04-21-sampling.markdown
@@ -254,3 +254,9 @@ $\alpha$通常取$0.16$。
 
 ![](\assets\signal\blackman_window_fourier.png)
 {: .center-image}
+
+下图是该窗函数在示波器下的表现。
+可见频谱泄露的高频分量明显减少。
+
+![](\assets\signal\blackman_window_oscilloscope.jpg)
+{: .center-image}
diff --git a/assets/signal/blackman_window_oscilloscope.jpg b/assets/signal/blackman_window_oscilloscope.jpg