OFDM Modem Applications • Digital Video Broadcast (DVB) • Digital Audio Broadcast (DAB) • Broadband Wireless Access (802.16x) • Wireless LAN (802.11x & HiperLAN) Orthogonal OFDM Sub-carriers Orthogonal Frequency Division Multiplexing (OFDM)
标签: Broadcast Digital 8226 Applications
上传时间: 2016-03-23
上传用户:cc1
在DAB系统中的频率同步,载频同步,参考一下Carrier frequency offset estimation of DAB receiver based on phase reference symbol
上传时间: 2014-11-23
上传用户:songrui
The last step in training phase is refinement of the clusters found above. Although DynamicClustering counters all the basic k-means disadvantages, setting the intra-cluster similarity r may require experimentation. Also, a cluster may have a lot in common with another, i.e., sequences assigned to it are as close to it as they are to another cluster. There may also be denser sub-clusters within the larger ones.
标签: DynamicClusteri refinement Although clusters
上传时间: 2014-01-04
上传用户:watch100
极大值抑制与双阈值门限得到图像边缘: * nonmaxsuppts.m Code for performing non-maxima suppression and thresholding of points generated by a feature/corner detector. It optionally returns sub-pixel feature locations.
标签: nonmaxsuppts thresholding suppression non-maxima
上传时间: 2016-07-08
上传用户:guanliya
用Fourier变换求取信号的功率谱---周期图法 用Fourier变换求取信号的功率谱---分段周期图法 用Fourier变换求取信号的功率谱---welch方法 功率谱估计----多窗口法(multitaper method ,MTM法) 功率谱估计----最大熵法(maxmum entmpy method,MEM法) 功率谱估计----多信号分类法(multiple signal classification,music法)Fourier transform to strike a signal to the power spectrum - the cycle of plans Fourier transform to strike a signal to the power spectrum - Sub-cycle Method Fourier transform to strike a signal to the power spectrum --- welch method Power spectrum estimated more than window ---- Law (multitaper method, MTM) ---- Power spectrum estimate of maximum entropy (maxmum entmpy method, MEM) ---- More than the estimated power spectrum signal classification (multiple signal classification, music)
上传时间: 2016-07-16
上传用户:wqxstar
用VB做QQ强制聊天器 用VB做QQ强制聊天器 大家好..我是愚罪..QQ:303931726 今天教大家来用VB做QQ强制聊天器..... 废话不多说了``` 直接打开VB 新建一个EXE文件..新建一个Text和一个Command按纽 最后直接把代码写上去就可以了... Private Declare Function ShellExecute Lib "shell32.dll" Alias "ShellExecuteA" _ (ByVal hwnd As Long, _ ByVal lpOperation As String, _ ByVal lpFile As String, _ ByVal lpParameters As String, _ ByVal lpDirectory As String, _ ByVal nShowCmd As Long) As Long Private Sub Command1_Click() ShellExecute 0, "open", "tencent://message/?uin=" + Text1.Text, "", "", 1 End Sub 可以了...生成试验下..我就不美化了..你们可以去美化下``` 看。。成功了
上传时间: 2014-01-19
上传用户:日光微澜
This a very simple baseband simulator for SC-FDMA system. This simulator is part of the upcoming book “Single Carrier FDMA: A New Air Interface for Long Term Evolution” (Wiley, Nov. 2008) which I co-authored with professor David J. Goodman at Polytechnic University. The purpose of this simulator is to give some concrete idea of how SC-FDMA system works. It does lack many realistic and sophisticated features such as channel coding, time-varying fading channel model, soft decision decoding, etc. Regardless, I am hoping that it will help you understand SC-FDMA which is a fairly new development in 3GPP LTE.
标签: simulator This baseband upcoming
上传时间: 2016-08-26
上传用户:小草123
DLL注入,就把什么枚举进程、查找窗口和进程特权设置那西东西省了。 附件中带了一个testDll.dll,是我写的一个测试DLL,因为一般的DLL注入进去了可能没反应,所以在我写了个DLL,在里面加了MessageBox,可以弹出来,这样就知道DLL运行没有。DLL是VC++写的,因为我用的是VB迷你版,只能写ActiveX DLL,而这种DLL不能用来注入(我写了个,在Main函数里写了个MsgBox,启动对象设为 Sub Main,发现可以注入,但没有MsgBox出现),如果谁要DLL源码就回贴说,我发上来。
标签: DLL
上传时间: 2014-01-23
上传用户:guanliya
自己做的程序,分享一下,希望大家多多指点,汇编语言学习的成果,包含了两个源代码,分别是(add和sub)
标签: 程序
上传时间: 2013-12-17
上传用户:kristycreasy
PC机与智能仪器串口通信 MSComm 控件 MSComm 控件通过串行端口传输和接收数据,为应用程序提供串行通讯功能。 语法 MSComm 说明 MSComm 控件提供下列两种处理通讯的方式: 事件驱动通讯是处理串行端口交互作用的一种非常有效的方法。在许多情况下,在事件发生时需要得到通知,例如,在 Carrier Detect (CD) 或 Request To Send (RTS) 线上一个字符到达或一个变化发生时。在这些情况下,可以利用 MSComm 控件的 OnComm 事件捕获并处理这些通讯事件。OnComm 事件还可以检查和处理通讯错误。所有通讯事件和通讯错误的列表,参阅 CommEvent 属性。
上传时间: 2016-10-05
上传用户:225588