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源码 在人们的生产实践中
在人们的生产实践中,经常会遇到如何利用现有资源来安排生产,以取得最大经济
效益的问题。此类问题构成了运筹学的一个重要分支—数学规划,而线性规划(Linear
Programming 简记 LP)则是数学规划的一个重要分支。自从 1947 年 G. B. Dantzig 提出
求解线性规划的单纯形方法以来,线性规划在理论上趋向成熟,在实用中日益广 ...
源码 重力异常正演MATLAB程序
%球体
close all;
G=6.67e-11;
R=2;%球体半径
p=4.0;%密度
D=10.0;%深度
M=(4/3)*pi*R^3*p;%质量
x=-20:1:20;
g=G*M*D./((x.^2+D^2).^(3/2));
Vxz=-3*G*M*D.*x./((x.^2+D^2).^(5/2));
Vzz=G*M.*(2*D^2-x.^2)./((x.^2+D^2).^(5/2));
Vzzz=3*G*M.*(2*D^2-3.*x.^2)./((x.^2+D^2).^(7/2));
subplot(2,2,1)
plot(x,g,'k-');
xl ...
书籍 bessel方程及其应用
书名:bessel functions and their applications
作者:B. G. Korenev
技术资料 AD810
PRODUCT DESCRIPTION
The AD810 is a composite and HDTV compatible, current
feedback, video operational amplifier, ideal for use in systems
such as multimedia, digital tape recorders and video cameras.
The 0.1 dB flatness specification at bandwidth of 30 MHz
(G = +2) and the different ...
书籍 SmartCitiesTheInternetofThings,PeopleandSystems
The contemporary view of the Smart City is very much static and infrastructure-
centric, focusing on installation and subsequent management of Edge devices and
analytics of data provided by these devices. While this still allows a more efficient
management of the city’s infrastructure, optimization ...
书籍 Broadband Access Networks Technologies
At present, there is a strong worldwide push toward bringing fiber closer to indi-
vidual homes and businesses. Fiber-to-the-Home/Business (FTTH/B) or close to it
networks are poised to become the next major success story for optical fiber com-
munications. In fact, FTTH connections are currently ex ...
书籍 Broadband Wireless Networks
Emerging technologies such as WiFi and WiMAX are profoundly changing the
landscape of wireless broadband.  As  we evolve into future generation wireless
networks, a primary challenge is the support of high data rate, integrated multi-
media type traffic over a unified platform. Due to its ...
书籍 Fundamentals+of+Digital+Communication
The field of digital communication has evolved rapidly in the past few
decades, with commercial applications proliferating in wireline communi-
cation networks (e.g., digital subscriber loop, cable, fiber optics), wireless
communication (e.g., cell phones and wireless local area networks), and stor- ...
书籍 GSM+and+UMTS+The+Creation+of+
This book describes how global mobile communication was made. It is written for those who
want or need to know how this was achieved e.g.:
† Young professionals who want to build their career on GSM and UMTS and need to
understand the basics
† Strategic and technical planners who want to drive the ...