WLAN仿真－發(fā)送機 wlan No Comments 設(shè)置完系統(tǒng)參數(shù)后，開始產(chǎn)生發(fā)送數(shù)據(jù)。 1. 產(chǎn)生隨機的發(fā)送bit（tx_bits），這里不考慮信道編碼。 2. QAM映射 3. 將數(shù)據(jù)映射到不同載波，形成OFDM符號 4. 產(chǎn)生pilot，并將pilot插入OFDM符號中 5. 加入dc和guard子載波 6. 進行ifft，將頻域信號變到時域，并加入循環(huán)前綴 7. 對信號進行overlap window 8. 在時域產(chǎn)生Short preamble 9. 在時域產(chǎn)生long preamble 10. 將preamble和數(shù)據(jù)符號組成packet 11. 升采樣 得到信道傳輸?shù)臄?shù)據(jù)Tx_signal_up 具體程序見附件 wlan_transmitter.m
上傳時間： 2016-11-09
上傳用戶：exxxds
All people curious about how Linux works and why it is so efficient will find answers here. After reading the book, you will find your way through the many thousands of lines of code, distinguishing between crucial data structures and secondary ones—in Short, becoming a true Linux hacker.
標簽： efficient curious answers people
上傳時間： 2013-12-29
上傳用戶：lifangyuan12
The smspdulib library is intended for more transparent interaction with SMS PDU. This thought over hierarchy of classes will allow you to create new classes for other types of Short messages using the realized base functionality. At present, the following types of Short messages are supported: status report, SMS (with long (large) SMS parts support)
標簽： interaction transparent smspdulib intended
上傳時間： 2013-12-23
上傳用戶：小眼睛LSL
ResOrg 圖形化管理Vc項目的資源ID的工具的源代碼。 ResOrg - Manage and Renumber Resource Symbol IDs Introduction The Resource ID Organiser (ResOrg for Short) is an Add-in for Visual C++ designed to help overcome one of the most annoying (and unnecessary) chores of developing/maintaining Windows applications - maintaining resource symbol ID values.
標簽： ResOrg Introduction Renumber Resource
上傳時間： 2013-12-25
上傳用戶：dsgkjgkjg
OReilly.Java.Rmithis book provides strategies for working with serialization, threading, the RMI registry, sockets and socket factories, activation, dynamic class downloading, HTTP tunneling, distributed garbage collection, JNDI, and CORBA. In Short, a treasure trove of valuable RMI knowledge packed into one book.
標簽： serialization strategies threading provides
上傳時間： 2014-01-15
上傳用戶：731140412
關(guān)于FFT的一個例子，Short time FFT with octave smooth by Matthes
標簽： FFT
上傳時間： 2014-01-19
上傳用戶：曹云鵬
This book uses the Python language to teach pro - gramming concepts and problem -solving skills, without assuming any previous program- ming experience. With easy-to-understand examples, pseudocode, flowcharts, and other tools, the student learns how to design the logic of programs and then implement those programs using Python. This book is ideal for an introductory programming course or a programming logic and design course using Python as the language. As with all the boolts in the Starting Out With series, the hallmark of this text is its clear, friendly, and easy -to-understand writing. In addition, it is rich in example programs that are concise and practical. The programs in this book include Short examples that highlight specific programming topics, as well as more involved examples that focus on problem solving. Each chapter provides one or more case studies that provide step -by-step analysis of a specific problem and shows the student how to solve it.
標簽： language gramming concepts problem
上傳時間： 2014-01-12
上傳用戶：獨孤求源
Huffman codes In telecommunication, how do we represent a set of messages, each with an access frequency, by a sequence of 0’s and 1’s? To minimize the transmission and decoding costs, we may use Short strings to represent more frequently used messages. This problem can by solved by using an extended binary tree which is used in the 2- way merging problem.
標簽： telecommunication represent messages Huffman
上傳時間： 2014-01-04
上傳用戶：x4587
介紹計算機上實現(xiàn)gsm modem短消息收發(fā)的模式，描述gsm modem PDU 模式，包括PDU 模式下的gsm modem模塊UCS2 編碼、解碼原理，以及gsm modem發(fā)送與接收PDU 串的編制方式， VB 中的MSCOMM 控件，實現(xiàn)gsm modem短消息收發(fā)的核心內(nèi)容。-briefed on computer modem gsm SMS transceiver model, described GSM modem PDU models, including the PDU mode GSM modem module UCS2 encoding, decoding principle, and GSM modems send and receive PDU Series presentation, the VB MSCOMM Control and achieve Short GSM modem news transceiver core content
上傳時間： 2017-03-10
上傳用戶：cxl274287265
A fingerprint recognizing system is built with two principal components: the fingerprint administrator and the fingerprint recognizer. Fingerprints are identified by their special features such as ridge endings, ridge bifurcation, Short ridges, and ridge enclosures, which are collectively called the minutiae.
標簽： fingerprint recognizing administra components
上傳時間： 2013-12-10
上傳用戶：czl10052678
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