与 Hugo 同步.

Signed-off-by: lion.chan <cy187lion@sina.com>

Algorithm/DSP/使用_Octave_工具设计巴特沃斯滤波器.md

@@ -9,6 +9,7 @@ author:      "Rick Chan"
 tags:        ["DSP", "Butterworth", "Lowpass", "Highpass", "Bandstop"]
 categories:  ["Algorithm"]
 published:   true
+math:        true
 ---
 
 - [1. 巴特沃斯低通滤波器](#1-巴特沃斯低通滤波器)

Algorithm/DSP/傅里叶变换_拉普拉斯变换和_Z_变换.md

@@ -9,6 +9,7 @@ author:      "Rick Chan"
 tags:        ["DSP", "傅里叶变换", "拉普拉斯变换", "Z 变换"]
 categories:  ["Algorithm"]
 published:   true
+math:        true
 ---
 
 - [1. 傅里叶变换](#1-傅里叶变换)

Algorithm/DSP/拉格朗日插值.md

@@ -1,4 +1,16 @@
-# 拉格朗日插值
+---
+layout:      post
+title:       "拉格朗日插值"
+subtitle:    ""
+description: "给出拉格朗日多项式插值的推导过程和标准公式。"
+excerpt:     "通过简单的推导过程和示例程序演示拉格朗日多项式插值。"
+date:        2022-09-08 12:50:00
+author:      "Rick Chan"
+tags:        ["DSP", "Lagrange", "Interpolation", "Polynomial"]
+categories:  ["Algorithm"]
+published:   true
+math:        true
+---
 
 Fit N+1 points with an $N^{th}$ degree polynomial
 

Algorithm/DSP/有限冲击响应滤波器_无限冲击响应滤波器及其_C_语言实现.md

@@ -9,6 +9,7 @@ author:      "Rick Chan"
 tags:        ["DSP", "FIR", "IIR"]
 categories:  ["Algorithm"]
 published:   true
+math:        true
 ---
 
 - [1. 有限冲击响应滤波器](#1-有限冲击响应滤波器)

Software/Applications/KiCAD/KiCAD_简要说明.md

@@ -12,3 +12,4 @@ TODO:
 8. <https://blog.csdn.net/github_33678609/article/details/106931015>
 9. <https://blog.csdn.net/Romeo_tune/article/details/117426512>
 10. <https://blog.csdn.net/weixin_42415177/article/details/100733592>
+11. <http://t.zoukankan.com/zhiqiang_zhang-p-11109550.html>