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)
標簽: Broadcast Digital 8226 Applications
上傳時間: 2016-03-23
上傳用戶:cc1
在DAB系統中的頻率同步,載頻同步,參考一下Carrier frequency offset estimation of DAB receiver based on phase reference symbol
上傳時間: 2014-11-23
上傳用戶: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.
標簽: DynamicClusteri refinement Although clusters
上傳時間: 2014-01-04
上傳用戶:watch100
極大值抑制與雙閾值門限得到圖像邊緣: * 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.
標簽: nonmaxsuppts thresholding suppression non-maxima
上傳時間: 2016-07-08
上傳用戶:guanliya
用Fourier變換求取信號的功率譜---周期圖法 用Fourier變換求取信號的功率譜---分段周期圖法 用Fourier變換求取信號的功率譜---welch方法 功率譜估計----多窗口法(multitaper method ,MTM法) 功率譜估計----最大熵法(maxmum entmpy method,MEM法) 功率譜估計----多信號分類法(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)
上傳時間: 2016-07-16
上傳用戶:wqxstar
用VB做QQ強制聊天器 用VB做QQ強制聊天器 大家好..我是愚罪..QQ:303931726 今天教大家來用VB做QQ強制聊天器..... 廢話不多說了``` 直接打開VB 新建一個EXE文件..新建一個Text和一個Command按紐 最后直接把代碼寫上去就可以了... 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...生成試驗下..我就不美化了..你們可以去美化下``` 看。。成功了
上傳時間: 2014-01-19
上傳用戶:日光微瀾
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.
標簽: simulator This baseband upcoming
上傳時間: 2016-08-26
上傳用戶:小草123
DLL注入,就把什么枚舉進程、查找窗口和進程特權設置那西東西省了。 附件中帶了一個testDll.dll,是我寫的一個測試DLL,因為一般的DLL注入進去了可能沒反應,所以在我寫了個DLL,在里面加了MessageBox,可以彈出來,這樣就知道DLL運行沒有。DLL是VC++寫的,因為我用的是VB迷你版,只能寫ActiveX DLL,而這種DLL不能用來注入(我寫了個,在Main函數里寫了個MsgBox,啟動對象設為 Sub Main,發現可以注入,但沒有MsgBox出現),如果誰要DLL源碼就回貼說,我發上來。
標簽: DLL
上傳時間: 2014-01-23
上傳用戶:guanliya
自己做的程序,分享一下,希望大家多多指點,匯編語言學習的成果,包含了兩個源代碼,分別是(add和sub)
標簽: 程序
上傳時間: 2013-12-17
上傳用戶:kristycreasy
PC機與智能儀器串口通信 MSComm 控件 MSComm 控件通過串行端口傳輸和接收數據,為應用程序提供串行通訊功能。 語法 MSComm 說明 MSComm 控件提供下列兩種處理通訊的方式: 事件驅動通訊是處理串行端口交互作用的一種非常有效的方法。在許多情況下,在事件發生時需要得到通知,例如,在 Carrier Detect (CD) 或 Request To Send (RTS) 線上一個字符到達或一個變化發生時。在這些情況下,可以利用 MSComm 控件的 OnComm 事件捕獲并處理這些通訊事件。OnComm 事件還可以檢查和處理通訊錯誤。所有通訊事件和通訊錯誤的列表,參閱 CommEvent 屬性。
上傳時間: 2016-10-05
上傳用戶:225588