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.
標簽: investigates estimation frequency carrier
上傳時間: 2015-12-30
上傳用戶:ls530720646
Aiming at the application of passive trackinn based on sensor array, a new passive trackinn usinn sensor array based on particle filter was proposed. Firstly, the“fake points" could be almost entirely and exactly deleted with the aids of the sensor array at the expense of an additional sensor. Secondly, considered the fact that the measurements notten from each array were independent in passive trackinn system, a novel sequential particle filter usinn sensor array with improved distribution was proposed. At last, in a simulation study we compared this approach a壇orithm with traditional trackinn methods. The simulation re-sups show that the proposed method can nreatly improve the state estimation precision of sensor array passive trackinn system.
標簽: trackinn passive application Aiming
上傳時間: 2015-12-31
上傳用戶:trepb001
Hammerhead2 is a stress testing tool designed to test out your web server and web site. It can initiate multiple connections from IP aliases and simulated numerous (256+) users at any given time
標簽: Hammerhead2 web designed testing
上傳時間: 2016-01-04
上傳用戶:youlongjian0
Abstract The Lucene Server project is an attempt to extend the Jakarta Lucene tool with server capabilities. Lucene is a robust Java API that enables you creating indexes from text sources and perform powerful searches on these indexes. With Lucene, creating an index must be done programmatically and there are almost no possibilities of integrating index management in a distributed environment. In other words, out of the box, Lucene is suitable for integrating indexing and searching possibilities in a single application but not for providing index/search services for multiple applications. The Lucene Server project comes with a Java API that propose the following make it easy to create indexes in a declarative way by simply providing an XML configuration document. make it easy to personalize the way Lucene must handle different kind of data sources. provide services for index management and searching that can be accessed from several applications. enable batch tasks scheduling.
標簽: Lucene Abstract Jakarta project
上傳時間: 2016-01-10
上傳用戶:songrui
This gives examples of Session Description Protocol (SDP) offer/answer exchanges. Examples include codec negotiation and selection, hold and resume, and addition and deletion of media streams. The examples show multiple media types, bidirectional, unidirectional, inactive streams, and dynamic payload types. Common Third Party Call Control (3pcc) examples are also given.
標簽: Description exchanges Protocol Examples
上傳時間: 2014-01-02
上傳用戶:450976175
Using Jacobi method and Gauss-Seidel iterative methods to solve the following system The required precision is =0.00001, and the maximum iteration number N=25. Compare the number of iterations and the convergence of these two methods
標簽: Gauss-Seidel iterative following methods
上傳時間: 2016-02-06
上傳用戶:zmy123
Thinking in C++ patiently and methodically explores the issues of when and how to use inlines, references, operator overloading, inheritance and dynamic objects, as well as advanced topics such as the proper use of templates, exceptions and multiple inheritance. The entire effort is woven in a fabric that includes Eckel’s own philosophy of object and program design. A must for every C++ developer’s bookshelf, Thinking in C++ is the one C++ book you must have if you’re doing serious development with C++.
標簽: methodically and patiently Thinking
上傳時間: 2014-01-03
上傳用戶:it男一枚
華東師范大學(面向對象程序設計基于C++)課程全部作業(12次)代碼,包含一個大整數類。(包含作業內容) 1 How to use VC++ & IBM Visual Age (XL) C++ 2 Pointers, Arrays and Structures 3 Operators & Statements 4 Functions 5 Use of classes in STL 6 Define concrete classes 7 Data abstraction 8 Operator Overloading 9 Define integer type with arbitrary precision 10 Virtual functions 11 Templates 12 Exception handling
上傳時間: 2016-02-24
上傳用戶:baiom
AutoBoot is a generic boot loader that automatically locates, loads, and executes object files from multiple types of media. AutoBoot provides a simple, fast, and functional means of loading an OS image while maintaining a small Flash memory footprint. This binary release contains a stand-alone version of AutoBoot for the DbAu1200 development board, designed to replace the YAMON boot loader.
標簽: automatically AutoBoot executes generic
上傳時間: 2014-01-14
上傳用戶:海陸空653
無線網卡驅動 固件程序 There are currently 3 "programming generations" of Atheros 802.11 wireless devices (some of these have multiple hardware implementations but otherwise appear identical to users): 5210 supports 11a only 5211 supports both 11a and 11b 5212 supports 11a, 11b, and 11g
標簽: programming generations currently wireless
上傳時間: 2014-01-22
上傳用戶:aa54