WLAN仿真-發(fā)送機(jī) 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(jī)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(jìn)行ifft,將頻域信號變到時域,并加入循環(huán)前綴 7. 對信號進(jìn)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
標(biāo)簽: Comments WLAN wlan No
上傳時間: 2016-11-09
上傳用戶:exxxds
利用matlab編程語言,對合成孔徑雷達(dá)的range-doppler算法進(jìn)行了仿真。
上傳時間: 2016-11-09
上傳用戶:aa54
利用matlab編程語言,對合成孔徑雷達(dá)的range-migrationg-agrithm算法進(jìn)行了仿真。
上傳時間: 2014-01-14
上傳用戶:yan2267246
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(biāo)簽: efficient curious answers people
上傳時間: 2013-12-29
上傳用戶:lifangyuan12
This book is designed to teach you the best practices in developing Windows DNA applications. We have avoided making this book a primer on every technology associated with Windows DNA. If we had followed this course, this would be an encyclopedia set. Everyone has their favorite authors and books on the various technical subject areas. The market is full of books to teach you the basics, the how, this book tries to be different in that we pull out the important points to teach you about the why. If you need training in a particular technology covered in this book, Sams has a number of 24-hour and 21-day books that cover a wide range of topics.
標(biāo)簽: applications developing practices designed
上傳時間: 2016-11-27
上傳用戶:yyq123456789
We describe and demonstrate an algorithm that takes as input an unorganized set of points fx1 xng IR3 on or near an unknown manifold M, and produces as output a simplicial surface that approximates M. Neither the topology, the presence of boundaries, nor the geometry of M are assumed to be known in advance — all are inferred automatically from the data. This problem naturally arises in a variety of practical situations such as range scanning an object from multiple view points, recovery of biological shapes from two-dimensional slices, and interactive surface sketching.
標(biāo)簽: demonstrate unorganized algorithm describe
上傳時間: 2013-12-18
上傳用戶:xc216
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(biāo)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(biāo)簽: ResOrg Introduction Renumber Resource
上傳時間: 2013-12-25
上傳用戶:dsgkjgkjg
H.264/AVC, the result of the collaboration between the ISO/IEC Moving Picture Experts Group and the ITU-T Video Coding Experts Group, is the latest standard for video coding. The goals of this standardization effort were enhanced compression efficiency, network friendly video representation for interactive (video telephony) and non-interactive applications (broadcast, streaming, storage, video on demand). H.264/AVC provides gains in compression efficiency of up to 50% over a wide range of bit rates and video resolutions compared to previous standards. Compared to previous standards, the decoder complexity is about four times that of MPEG-2 and two times that of MPEG-4 Visual Simple Profile. This paper provides an overview of the new tools, features and complexity of H.264/AVC.
標(biāo)簽: the collaboration between Experts
上傳時間: 2013-12-30
上傳用戶:dongbaobao
selects the mux channel and configures the MAX197 for second write pulse, written with ACQMOD = 0, termi- either unipolar or bipolar input range. A write pulse (WR nates acquisition and starts conversion on WR°Os risin + CS) can either start an acquisition interval or initiate a edge (Figure 6). However, if the second control byte combined acquisition plus conversion. The sampling contains ACQMOD = 1, an indefinite acquisition interval interval occurs at the end of the acquisition interval. is restarted. The ACQMOD bit in the input control byte offer
標(biāo)簽: configures the selects channel
上傳時間: 2013-12-09
上傳用戶:
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