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书籍 Telecommunications Essentials
I love telecommunications. It is powerful and it empowers, with
far-reaching consequences. It has demonstrated the potential to transform
society and business, and the revolution has only just begun. With the invention
of the telephone, human communications and commerce were forever changed: Time ...
书籍 ForDummies_RFID_For_Dummies
With all the recent hype over radio frequency identification (RFID) and
the requirements to implement it, you might think that RFID can turn
water into wine, transform lead into gold, and cure the world’s diseases. You
might also be worried that RFID will enable Big Brother to track your move-
ment ...
源码 lagr.m
function y=lagr(x0,y0,x)
%x0,y0为节点
%x是插值点
n=length(x0);
m=length(x);
for i=1:m
z=x(i);
s=0.0;
for k=1:n
p=1.0;
for j=1:n
if j~=k
p=p*(z-x0(j))/(x0(k)-x0(j));
end
end
s=p*y0(k)+s;
end
y(i)=s;
end
书籍 Structure and Interpretation of Signals
Signals convey information. Systems transform signals. This book introduces the mathe-
matical models used to design and understand both. It is intended for students interested
in developing a deep understanding of how to digitally create and manipulate signals to
measure and control the physical wo ...
书籍 Embeddings in Natural Language Processing
Artificial Intelligence (AI) has undoubtedly been one of the most important buz-
zwords over the past years. The goal in AI is to design algorithms that transform com-
puters into “intelligent” agents. By intelligence here we do not necessarily mean an
extraordinary level of smartness shown by sup ...
源码 keystone变换
keystone_sinc是用sinc插值法校正距离走动；
keystone_czt使用chirp-z变换校正距离走动；
软件 DELPHI 正则式
正则表达式用于字符串处理、表单验证等场合，实用高效。现将一些常用的表达式收集于此，以备不时之需。
匹配中文字符的正则表达式： [\u4e00-\u9fa5]
评注：匹配中文还真是个头疼的事，有了这个表达式就好办了
匹配双字节字符(包括汉字在内)：[^\x00-\xff]
评注：可以用来计算字符串的长度（一个双字节字符长度计2，ASC ...
书籍 C class Design Handbook 书和源码
C++类设计基础教程以及例子源代码。
C Class Design Handbook: Coding Effective Classes by Richard Conway (z-lib.org)_NoRestriction