WLAN仿真－发送机 wlan No Comments 设置完系统参数后，开始产生发送数据。 1. 产生随机的发送bit（tx_bits），这里不考虑信道编码。 2. QAM映射 3. 将数据映射到不同载波，形成OFDM符号 4. 产生pilot，并将pilot插入OFDM符号中 5. 加入dc和guard子载波 6. 进行ifft，将频域信号变到时域，并加入循环前缀 7. 对信号进行overlap window 8. 在时域产生short preamble 9. 在时域产生long preamble 10. 将preamble和数据符号组成packet 11. 升采样 得到信道传输的数据Tx_signal_up 具体程序见附件 wlan_transmitter.m
上传时间： 2016-11-09
上传用户：exxxds
利用matlab编程语言，对合成孔径雷达的range-doppler算法进行了仿真。
上传时间： 2016-11-09
上传用户：aa54
利用matlab编程语言，对合成孔径雷达的range-migrationg-agrithm算法进行了仿真。
上传时间： 2014-01-14
上传用户：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.
标签： efficient curious answers people
上传时间： 2013-12-29
上传用户：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.
标签： applications developing practices designed
上传时间： 2016-11-27
上传用户：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.
标签： demonstrate unorganized algorithm describe
上传时间： 2013-12-18
上传用户：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)
标签： interaction transparent smspdulib intended
上传时间： 2013-12-23
上传用户：小眼睛LSL
ResOrg 图形化管理Vc项目的资源ID的工具的源代码。 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.
标签： ResOrg Introduction Renumber Resource
上传时间： 2013-12-25
上传用户：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.
标签： the collaboration between Experts
上传时间： 2013-12-30
上传用户：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
标签： configures the selects channel
上传时间： 2013-12-09
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