Fit a multivariate gaussian mixture by a cross-entropy method. Cross-Entropy is a powerfull tool to achieve stochastic multi-extremum optimization.
標(biāo)簽： Cross-Entropy cross-entropy multivariate powerfull
上傳時(shí)間： 2014-12-20
上傳用戶：love_stanford
This paper examines the asymptotic (large sample) performance of a family of non-data aided feedforward (NDA FF) nonlinear least-squares (NLS) type carrier frequency estimators for burst-mode phase shift keying (PSK) modulations transmitted through AWGN and flat Ricean-fading channels. The asymptotic performance of these estimators is established in closed-form expression and compared with the modified Cram`er-Rao bound (MCRB). A best linear unbiased estimator (BLUE), which exhibits the lowest asymptotic variance within the family of NDA FF NLS-type estimators, is also proposed.
標(biāo)簽： performance asymptotic examines non-data
上傳時(shí)間： 2015-12-30
上傳用戶：225588
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.
標(biāo)簽： Structured interacts databases Language
上傳時(shí)間： 2016-01-02
上傳用戶：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.
標(biāo)簽： describes the generate running
上傳時(shí)間： 2013-12-11
上傳用戶：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.
標(biāo)簽： input-output the generated following
上傳時(shí)間： 2014-01-05
上傳用戶：royzhangsz
這是我自己寫的用于嵌入式設(shè)備的CGI程序，ANSI C編寫，嵌入式Linux中使用。這些CGI代碼是我在CGIC庫的基礎(chǔ)上加上了常用的一些外圍功能模塊函數(shù)，比如讀寫配置文件等。其中比較重要的是我自己實(shí)現(xiàn)的session控制、頁面模板方式（模板標(biāo)簽替換）和web多語言版本的一種我自己的實(shí)現(xiàn)方法。請(qǐng)參閱cgi_functions.c、session.c和multi-language.c。
標(biāo)簽： CGI 嵌入式設(shè)備 程序
上傳時(shí)間： 2014-01-15
上傳用戶：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.
標(biāo)簽： method reconstruction location proposed
上傳時(shí)間： 2016-02-04
上傳用戶：maizezhen
基于OFDM的無線寬帶系統(tǒng)仿真It contains mainly two parts, i.e. link-level simulator and system-level simulator. Link-level simulator focus on a single-cell single-user scenario, where signal is transmitted from tx, and estimated at rx. Comparing the difference in tx/rx signal, the error rate can be found out. The output of the link-level simulator is the BLER/BER vs. SNR mapping table, that can be used for the system-level simulation. System-level simulator focus on a multi-cell multi-user scenario. For the sake of simplicity, it takes the mapping table aquired in the link-level simulation, measure the actural SNR, and finds the corresponding error rate.
標(biāo)簽： simulator i.e. system-level link-level
上傳時(shí)間： 2016-03-15
上傳用戶：xsnjzljj
These tools are for use by developers so that they can create more robust applications. Especially of use to those developing multi-threaded applications in C++ with templates. Includes TCMalloc, heap-checker, heap-profiler and cpu-profiler. http://www.soft234.com
標(biāo)簽： applications Especially developers create
上傳時(shí)間： 2013-12-17
上傳用戶：erkuizhang
飛機(jī)訂票系統(tǒng)，實(shí)現(xiàn)訂票，退票，查詢 the banking system relates to multi-threaded, socket programming, and Singleton design pattern. Notes for the complete source Gilmour, documentation, together with the development process
標(biāo)簽： 飛機(jī)
上傳時(shí)間： 2016-04-02
上傳用戶：ma1301115706
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