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单片机编程 8-bit IC and SMBus IO Port wit
The CAT9534 is an 8-bit parallel input/output portexpander for I²C and SMBus compatible applications.These I/O expanders provide a simple solution inapplications where additional I/Os are needed: sensors,power switches, LEDs, pushbuttons, and fans.The CAT9534 consists of an input port register, ...
教程资料 PLD对FPGA数据加密
SRAM-based FPGAs are non-volatile devices. Upon powerup, They are required to be programmed from an external source. This procedure allows anyone to easily monitor the bit-stream, and clone the device. The problem then becomes how can you effectively protect your intellectual property from others ...
可编程逻辑 PLD对FPGA数据加密
SRAM-based FPGAs are non-volatile devices. Upon powerup, They are required to be programmed from an external source. This procedure allows anyone to easily monitor the bit-stream, and clone the device. The problem then becomes how can you effectively protect your intellectual property from others ...
数学计算 平均因子分解法
平均因子分解法，适用于正定矩阵First, let s recall the definition of the Cholesky decomposition: Given a symmetric positive definite square matrix X, the Cholesky decomposition of X is the factorization X=U U, where U is the square root matrix of X, and satisfies:
(1) U U = X
(2) U is upper triangul ...
Java编程 JoSQL 1.5的源代码。JoSQL(SQL for Java Objects)为Java开发者提供运用SQL语句来操作Java对象集的能力.利用JoSQL可以像操作数据库中的数据一样对任何Java
JoSQL 1.5的源代码。JoSQL(SQL for Java Objects)为Java开发者提供运用SQL语句来操作Java对象集的能力.利用JoSQL可以像操作数据库中的数据一样对任何Java对象集进行查询,排序,分组。比如要查找所有的Html文件：SELECT * FROM java.io.File Where name $Like "％html" ...
编译器/解释器 This package consists of the executable (UCW), a default script file, this file, and the library fi
This package consists of the executable (UCW), a default script file,
this file, and the library files. It is important that the header files
end up in a include subdirectory of the directory where UCW is found.
If you unzip this file using its path information ( use folder names ) this will
automat ...
文件格式 In this paper, a new family of Cassinian wave-guides is proposed, simulating and calculation are fi
In this paper, a new family of Cassinian wave-guides
is proposed, simulating and calculation are finished with CST
Microwave Studio that based on Finite Integral Technique (FIT),
and some results are given. Electromagnetic field mode type of it
is TE, electromagnetic field is stronger near neck regi ...
驱动编程 This the second tutorial of the Writing Device Drivers series. There seems to be a lot of interest i
This the second tutorial of the Writing Device Drivers series. There seems to be a lot of interest in the topic, so this article will pick up where the first left off. The main focus of these articles will be to build up little by little the knowledge needed to write device drivers. In this article, ...
其他书籍 "TR1 roughly doubles the size of the C++ standard library, and it introduces many new facilities and
"TR1 roughly doubles the size of the C++ standard library, and it introduces many new facilities and even new kinds of library components. TR1 has some classes, for example, where some nested types may or may not exist depending on the template arguments. To programmers whose experience stops with t ...
matlab例程 This functions computes SARMA or multiplicative (p,q) x (P,Q) models for (p,q,P,Q) in (pvec x qv
This functions computes SARMA or multiplicative (p,q) x (P,Q) models for
(p,q,P,Q) in (pvec x qvec x Pvec x Qvec) it returns the best according to AIC
where AIC has been modified to account for fixed parameters
x = input data
pvec = vector of p s set pvec=[0] for no AR
qvec = vector ...