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ofdm信道特性 Channel transmission simulator Channel transmission simulator ％ ％ inputs: ％ sig2 - noise variance ％ Mt - number of Tx antennas ％ Mr - number of Rx antennas ％ x - vector of complex input symbols (for MIMO, this is a matrix, where each column ％ is the value of the antenna outputs at a single time instance) ％ H - frequency selective channel - represented in block-Toeplitz form for MIMO transmission ％ N - number of symbols transmitted in OFDM frame ％ ％ outputs: ％ y - vector of channel outputs (matrix for MIMO again, just like x matrix) ％ create noise vector sequence (each row is a different antenna, each column is a ％ different time index) note: noise is spatially and temporally white
標簽： transmission simulator Channel inputs
上傳時間： 2016-07-22
上傳用戶：kelimu
* The functions debug_init() and debug() implement non-RTOS * serial port initialization and a blocked debug output. The * debug() function can be used in error message and die * situations.
標簽： initialization debug_init functions and
上傳時間： 2016-07-24
上傳用戶：caozhizhi
AES在AVR單片機上的實現 資源要求 Program: 4492 bytes (6.9％ Full) (.text + .data + .bootloader) Data: 745 bytes (9.1％ Full) (.data + .bss + .noinit) 可以在AVR Studio中模擬運行 AES加密和解密 在AVR Studio 中模擬運行 Ctrl+F7 后，模擬執行到main入口處 按F5后, 知道到加密完成 可以看出加密的結果 再按F10,執行解密, 可以看出input數組恢復了 原來的結果
標簽： bootloader Program bytes 4492
上傳時間： 2016-07-30
上傳用戶：363186
對任意給定的文法G 構造LR(1) 項目集規范族，其中要實現CLOSURE(I)、GO(I,X)、FIRST 集合等。在此基礎上， 構造了LR（1）分析表。然后對輸入的句子進行語法分析，給出接受或出錯報告。 程序采用文件輸入輸出方式。其中包括兩個輸入文件：文法grammar.txt，以及 輸入串input.txt；兩個輸出文件：項目集items.txt 和文法的LR(1)分析表 action_table.txt。由于語法分析的結果只給出接受或錯誤報告，比較簡
上傳時間： 2016-07-30
上傳用戶：來茴
基于S3C2440的四線電阻式觸摸屏驅動程序，linux2.6.22內核。把touchscreen.c放在driver/input/touchscreen/下。修改arch/arm/mach-s3c2440/mach-smdk2440.c以及相應的Makefile加上驅動即可。
上傳時間： 2014-01-14
上傳用戶：zmy123
This is the source for a C compiler that generates 386 or m68K code. Code generation is fairly good although the optimizer is a little naive... the code itself should be highly portable although there are some issues involved with porting from MSDOS that have to be resolved for example the size of LONG on unix machines is so big some of the code generated gets messed up. Code generation requires TASM to assemble the compiler output you can use the borland TLINK to produce executables, or the Watcom WLINK can also be used. PMODE systems written by TRAN are used for the DPMI interface.
標簽： generation generates compiler fairly
上傳時間： 2016-08-01
上傳用戶：sxdtlqqjl
-- DESCRIPTION : Shift register -- Type : univ -- Width : 4 -- Shift direction: right/left (right active high) -- -- CLK active : high -- CLR active : high -- CLR type : synchronous -- SET active : high -- SET type : synchronous -- LOAD active : high -- CE active : high -- SERIAL input : SI
標簽： Shift right DESCRIPTION direction
上傳時間： 2013-12-02
上傳用戶：gxrui1991
Flash中內置了一個狀態寄存器（Status Register，SR）來指示Flash的當前工作狀態和各種操作是否成功。要讀取SR的當前值需要向CUI發送讀狀態寄存器命令（Read Status Register），命令碼為0x70，SR中的內容將在DQ[7:0]上輸出。The Read Status Register （0x70）command causes subsequent reads to output data from the SR until another command is issued. The SR bits are output on DQ[7:0].
上傳時間： 2016-08-12
上傳用戶：thesk123
可編程并行接口８２５５Ａ完成的交通燈實驗 用８２５５Ａ的Ｂ端口和Ｃ端口控制１２個ＬＥＤ的亮和滅（輸出為０則亮，輸出為１則滅），模擬十字路口的交通燈。 -programmable parallel interface 8255A completed, the traffic lights experimental 8255A port B and C - I control 12 LED bright and methomyl (output of 0-liang, the output of an anti), the simulation of traffic lights at a crossroads.
上傳時間： 2016-08-13
上傳用戶：來茴
This article introduces how to construct a Hospital Ward Information System with three-tiered technology. The System applies to UML, BDE, MIDAS, distributed compute theory and a special architecture to make such functions: patients check in and check out, prescription input, drug-delivery at center pharmacy and information of patient manage with computer networking.
標簽： three-tiered Information introduces construct
上傳時間： 2016-08-16
上傳用戶：hn891122
