本章提供于Windows 操作系统设计Modbus 通信程序所需的基本子程 序，以Borland C++ Builder V5.0 所设计的Sample Porgram 提供读者参考。 所有原始档（source program）都存于随书赠送的光盘片内。读者必须了 解通信程序是需要高度与操作系统的API 相配合，各种资料型态的转换， Multi-Thread 的运用，时间的掌控等事项，以C 语言为最适合的语言。
上传时间： 2014-01-18
上传用户：asddsd
Fit a multivariate gaussian mixture by a cross-entropy method. Cross-Entropy is a powerfull tool to achieve stochastic multi-extremum optimization.
标签： Cross-Entropy cross-entropy multivariate powerfull
上传时间： 2014-12-20
上传用户：love_stanford
This paper investigates the design of joint frequency offset and carrier phase estimation of a multi-frequency time division multiple access (MF-TDMA) demodulator that is applied to a digital video broadcasting—return channel system via satellite (DVB-RCS). The proposed joint estimation algorithm is based on the interpolation technique for two correlation values in the frequency and phase domains. This simple interpolation technique can significantly improve frequency and phase resolution capabilities of the proposed technique without increasing the number of the correlation values. In addition, the overall block diagram of a digital communications receiver for DVB-RCS is presented, which was designed using the proposed estimation algorithms. Index Terms—Carrier phase estimation, DVB-RCS, frequency offset estimation, interpolation, joint estimation, MF-TDMA.
标签： investigates estimation frequency carrier
上传时间： 2015-12-30
上传用户：ls530720646
Anyone who interacts with today s modern databases needs to know SQL (Structured Query Language), the standard language for generating, manipulating, and retrieving database information. In recent years, the dramatic rise in the popularity of relational databases and multi-user databases has fueled a healthy demand for application developers and others who can write SQL code efficiently and correctly.
标签： Structured interacts databases Language
上传时间： 2016-01-02
上传用户：qlpqlq
This zip file describes how to generate a clock on the PCK pin using the PMC running under AT91RM3400DK with Green hills 3.6.1 Multi® 2000 Software Tool. Includes main.html file for help.
标签： describes the generate running
上传时间： 2013-12-11
上传用户：hgy9473
To estimate the input-output mapping with inputs x ％ and outputs y generated by the following nonlinear, ％ nonstationary state space model: ％ x(t+1) = 0.5x(t) + [25x(t)]/[(1+x(t))^(2)] ％ + 8cos(1.2t) + process noise ％ y(t) = x(t)^(2) / 20 + 6 squareWave(0.05(t-1)) + 3 ％ + time varying measurement noise ％ using a multi-layer perceptron (MLP) and both the EKF and ％ the hybrid importance-samping resampling (SIR) algorithm.
标签： input-output the generated following
上传时间： 2014-01-05
上传用户：royzhangsz
radius协议源码÷The Radius Stack will connect to a Radius Server. This stack implementation is built upon the UdpStack which is available in the radius{version}/util directory. A minimal set of VSAs (Vendor Specific Attributes are supported by this stack). The Radius Stack should be used as a base class. In order to implement a larger set of VSAs, one will need to subclass from the Radius Stack and implement the functionality within the virtual function processVsa(). The Radius Stack supports mostly accounting messages. The authentcation messages will be supported in a future release. A test program has been provided in the radius directory. This program shows how to subclass from the RadiusStack and how to use the api.
标签： Radius implementation connect radius
上传时间： 2013-12-12
上传用户：坏天使kk
这是我自己写的用于嵌入式设备的CGI程序，ANSI C编写，嵌入式Linux中使用。这些CGI代码是我在CGIC库的基础上加上了常用的一些外围功能模块函数，比如读写配置文件等。其中比较重要的是我自己实现的session控制、页面模板方式（模板标签替换）和web多语言版本的一种我自己的实现方法。请参阅cgi_functions.c、session.c和multi-language.c。
上传时间： 2014-01-15
上传用户：520
A new cable fault location method based on wavelet reconstruction is proposed. In this method the difference between the currents of faulty phase and sound phase under the high voltage pulse excitation is used as the measured signal and is decomposed in multi-scale by wavelet transform, then reconstructed in single scale. Comparing with traditional fault location method by travelling wave, the presented method will not be interfered by the reflected wave from the branch joint of cables or from other positions where the impedances are not matched and not be influenced by fault types, otherwise, the reflected waves can be recognized even the faulty position is near to the measuring terminal, at the same time, the influence of the wave speed uncertainty can be reduced. The correctness of the proposed method is proved by simulation results.
标签： method reconstruction location proposed
上传时间： 2016-02-04
上传用户：maizezhen
本类库包含了常规的数据库联结操作，可以手动注册数据库在drivers.xml中。 本类库包含如下类： －－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－ DriverUtilities loadDrivers():加载驱动程序，本类提供了mysql，oracle，sql server，access的数据库驱动，url记录。 isValidVendor(String vendor):判断vendor数据库相关记录是否存在。 makeURL(String host,String dbName,String vendor):生成联结URL。 getDriver(String vendor):获得vendor数据库的驱动名称。 －－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－ DriverUtilities2 继承自DriverUtilities loadDrivers(String filename):加载驱动程序，本类提供了mysql，oracle，sql server，access的数据库驱动，url记录，从drivers.xml中载入，解析该文档，可以在该文件中加入新的记录。 －－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－ coreservlets.beans.ConnectionInfoBean getConnection(String driver,String url,String username,String password):连接数据库。
上传时间： 2014-01-24
上传用户：ardager
