A. 產生一個長為1000的二進制隨機序列,“0”的概率為0.8,”1”的概率為0.2;B. 對上述數據進行歸零AMI編碼,脈沖寬度為符號寬度的50%,波形采樣率為符號率的8倍,畫出前20個符號對應的波形(同時給出前20位信源序列);C. 改用HDB3碼,畫出前20個符號對應的波形;D. 改用密勒碼,畫出前20個符號對應的波形;E. 分別對上述1000個符號的波形進行功率譜估計,畫出功率譜;F. 改變信源“0”的概率,觀察AMI碼的功率譜變化情況;
上傳時間: 2015-03-16
上傳用戶:Altman
AFD - Advanced Filter Design using MATLABMiroslav D. Lutovac, Dejan V. Tosicversion 1.00 released 15 October 1999This program is freeware.Unpack with path names, for exampleDOS: pkunzip -d afdunix: unzip -L afdAfter unpacking afd.zip, and run MATLAB,change directory to afdfrom the MATLAB command window.Execute demoafd to quickly scan the AFD operation.
標簽: D. V. MATLABMiroslav Tosicversion
上傳時間: 2015-03-21
上傳用戶:er1219
Overview In this chapter I introduce Borland C++Builder (BCB) and explain what it is about. I also devote considerable time to explaining the purpose of this book and the philosophy behind my approach to technical writing. Technical subjects covered in this chapter include Creating a simple Multimedia RAD program that plays movies, WAV files, and MIDI files. Shutting down the BCB RAD programming tools and writing raw Windows API code instead. Creating components dynamically on the heap at runtime. Setting up event handlers (closures) dynamically at runtime. A brief introduction to using exceptions. This topic is covered in more depth in Chapter 5, "Exceptions." A brief introduction to ANSI strings. This subject is covered in more depth in Chapter 3, "C++Builder and the VCL." Using the online help. Greping through the include and source files that come with the product and with this book.
標簽: introduce Overview Borland Builder
上傳時間: 2014-01-04
上傳用戶:小鵬
The Kannel Open Source WAP and SMS gateway works as both an SMS gateway, for implementing keyword based services via GSM text messages, and a WAP gateway, via UDP. The SMS part is fairly mature, the WAP part is early in its development. In this release, the GET request for WML pages and WMLScript files via HTTP works, including compilation for WML and WMLScript to binary forms. Only the data call bearer (UDP) is supported, not SMS.
標簽: gateway implementing SMS keyword
上傳時間: 2014-01-11
上傳用戶:2525775
一個簡單的詞法分析器,1代表字符,2代表關鍵字(命令字),4帶表算符界符, 注:要把wangs.txt這個文件放在桌面上,然后在這個TXT里寫上你要識別的語句。然后保存后關畢,在運行WANG詞法分析.EXE進行詞法分析。 完成識別后,會在相應的詞面前出現以上代號。暫不能對數字進行識別。因為在某種請況下數字也可表是為字符……稍有困難,但完成老師的針對程序段:area=b+c*d。那簡直是小菜一碟。
標簽: 分析器
上傳時間: 2013-12-20
上傳用戶:qq21508895
DTMF編碼芯片HT9200的51接口程序。輸入參數R2表示發送數據個數,輸入數據與發送數據與DTMF碼的關系:00H-0 01H-1 02H-2 03H-3 04H-4 05H-5 06H-6 07H-7 08H-8 09H-9 0AH-A 0BH-B 0CH-C 0DH-D 0EH-* 0FH-#。詳細說明參考文件內
上傳時間: 2014-11-12
上傳用戶:電子世界
算法ebook(10部算法經典著作的合集) 算法ebook> 10部算法經典著作的合集 chm格式 (1)Fundamentals of Data Structures by Ellis Horowitz and Sartaj Sahni (2)Data Structures, Algorithms and Program Style Using C by James F. Korsh and Leonard J. Garrett (3)Data Structures and Algorithm Analysis in C by Mark Allen Weiss (4)Data Structures: From Arrays to Priority Queues by Wayne Amsbury (5)Information Retrieval: Data Structures & Algorithms edited by William B. Frakes and Ricardo Baeza-Yates (6)Introduction to Algorithms by Thomas H. Cormen, Charles E. Leiserson, and Ronald L. Rivest (7)Practical Data Structures in C++ by Bryan Flamig (8)Reliable Data Structures in C by Thomas Plum (9)Data Structures and Algorithms Alfred V. Aho, Bell Laboratories, Murray Hill, New Jersey John E. Hopcroft, Cornell University, Ithaca, New York Jeffrey D. Ullman, Stanford University, Stanford, California (10)DDJ Algorithms and Data Structures Articles
標簽: ebook Fundamentals Structures Ellis
上傳時間: 2015-04-04
上傳用戶:tfyt
HD7279(c語言)驅動 程序作用:測試Sage Tech.開發板(MCP300)中hd7279鍵盤顯示芯片是否能正常工作 程序功能:按下1號鍵顯示0、1、2、3,按下2號鍵顯示c、d、e、f,按下3號鍵顯示4、5 、6、7 按下4號鍵顯示8、9、a、b,按下0號鍵點亮4個LED燈
上傳時間: 2015-04-08
上傳用戶:xuanjie
mp3設計程序資料,采用c語言編寫。 README file for yampp-3 source code 2001-05-27 This is the current state of the yampp-3 source code, 2001-05-27. This code is intended to run on Rev. B of the yampp-3 PCB, but can ofcourse be used on compatible systems as well. It still uses the "old" song selection system as the yampp-2. However, the disk handling routines has improved a lot and the obviosly, the new VS1001 handling has been put in. The codesize is almost at it s maximum at 1F40 bytes. A .ROM file is included if you don t have the compiler set up. For now, the documentation is in the code
上傳時間: 2015-04-13
上傳用戶:小碼農lz
prolog 找路例子程序: === === === === === === Part 1-Adding connections Part 2-Simple Path example | ?- path1(a,b,P,T). will produce the response: T = 15 P = [a,b] ? Part 3 - Non-repeating path As an example, the query: ?- path2(a,h,P,T). will succeed and may produce the bindings: P = [a,depot,b,d,e,f,h] T = 155 Part 4 - Generating a path below a cost threshold As an example, the query: ?- path_below_cost(a,[a,b,c,d,e,f,g,h],RS,300). returns: RS = [a,b,depot,c,d,e,g,f,h] ? RS = [a,c,depot,b,d,e,g,f,h] ? no ==================================
標簽: Part connections example prolog
上傳時間: 2015-04-24
上傳用戶:ljt101007