Silicon Motion, Inc. has made best efforts to ensure that the information contained in this document is accurate andreliable. However, the information is subject to change without notice. No responsibility is assumed by SiliconMotion, Inc. for the use of this information, nor for infringements of patents or other rights of third parties.Copyright NoticeCopyright 2002, Silicon Motion, Inc. All rights reserved. No part of this publication may be reproduced, photocopied,or transmitted in any form, without the prior written consent of Silicon Motion, Inc. Silicon Motion, Inc. reserves theright to make changes to the product specification without reservation and without notice to our users
標(biāo)簽： GUIDELINES LAYOUT 320 PCB
上傳時(shí)間： 2013-10-10
上傳用戶：manga135
a8259 可編程中斷控制 altera提供 The a8259 is designed to simplify the implementation of the interrupt interface in 8088 and 8086 based microcomputer systems. The device is known as a programmable interrupt controller. The a8259 receives and prioritizes up to 8 interrupts, and in the cascade mode, this can be expanded up to 64 interrupts. An asynchronous reset and a clock input have been added to improve operation and reliability.
上傳時(shí)間： 2015-01-02
上傳用戶：panpanpan
維吉尼亞（Vigenere）密碼為了提高密碼的破譯的難度，人們有發(fā)明一種多表置換的密碼，即一個(gè)明文字母可以表示為多個(gè)密文字母，多表密碼加密算法結(jié)果將使得對(duì)單表置換用的簡(jiǎn)單頻率分析方法失效，其中維吉尼亞密碼就是一種典型的加密方法。維吉尼亞密碼是使用一個(gè)詞組（語(yǔ)句）作為密鑰，詞組中每一個(gè)字母都作為移位替換密碼密鑰確定一個(gè)替換表，維吉尼亞密碼循環(huán)的使用每一個(gè)替換表完成明文字母到密文字母的變換，最后所得到的密文字母序列即為加密得到的密文，具體過(guò)程如下： 設(shè)密鑰 ，明文 ， 加密變換 其中 例如，M＝data security，k＝best。可以先將M分解為長(zhǎng)為4的序列data secu rity 每一節(jié)利用密鑰k＝best加密得密文c=Ek(M)=EELT TIUN SMLR。 當(dāng)密鑰k取的詞組很長(zhǎng)時(shí)，截獲者就很難將密文破解。（我們還在計(jì)算機(jī)上就維吉尼亞密碼設(shè)計(jì)的方法，編寫了一個(gè)小的程序，可以運(yùn)用其進(jìn)行加密和相應(yīng)的解密。見(jiàn)附錄） 由于我們知識(shí)和條件所限，本學(xué)期對(duì)以上6種古典加密方法進(jìn)行了學(xué)習(xí)和研究，從中我們收獲頗多，我們了解古典密碼學(xué)的基本原理和方法，并能夠?qū)π畔⑦M(jìn)行簡(jiǎn)單的加密和解密，大大提高我們的學(xué)習(xí)文化知識(shí)的興趣和熱情，如果有條件我們?cè)诮窈髮⑦M(jìn)一步研究密碼學(xué)。
上傳時(shí)間： 2015-03-24
上傳用戶：songnanhua
CC386 is a general-purpose 32-bit C compiler. It is not an optimizing compiler but given that the code generation is fairly good. There are two versions one is for MSDOS/DPMI and one is for Win32. The Win32 version has a full-blown IDE capable of editing, building, and debugging windows programs included with it. However at this time debugging support for MSDOS is rudimentary at best and there is no IDE for DOS. the newest version, support windows.
標(biāo)簽： compiler general-purpose optimizing given
上傳時(shí)間： 2015-04-12
上傳用戶：gtzj
CBC下寫的串口編程，API函數(shù)實(shí)例 I wish this site had been around when I was trying to figure out how to make serial communications work in Windows95. I, like many programmers, was hit with the double-whammy of having to learn Windows programming and Win95 serial comm programming at the same time. I found both tasks confusing at best. It was particularly frustrating because I had, over the years, written so much stuff (including lots of serial comm software) for the DOS environment and numerous embedded applications. Interrupt driven serial comm, DMA transfer serial comm, TSR serial comm, C, assembler, various processors... you name it, it had written it. Yet, everything I knew seemed upside-down in the message-driven-callback world of Windows.
上傳時(shí)間： 2014-06-20
上傳用戶：cccole0605
裝箱問(wèn)題：在裝箱問(wèn)題中，有若干個(gè)容量為c 的箱子和n 個(gè)待裝載入箱子中的物品。物品i 需占 用s[i]個(gè)單元（0< s[i]≤c）。成功裝載是指能把所有物品都裝入箱子。最優(yōu)裝載是指使用最 少箱子的成功裝載。 例如某運(yùn)輸公司要把包裹裝入卡車中，每個(gè)包裹都有一定的重量，且每輛卡車也有其載 重限制（假設(shè)每輛卡車的載重都一樣）。在卡車裝載問(wèn)題中，希望用最少的卡車來(lái)裝載包裹。 此問(wèn)題可看作裝箱問(wèn)題。卡車對(duì)應(yīng)于箱子，包裹對(duì)應(yīng)于物品。 解裝箱問(wèn)題的Best Fit 算法： 設(shè)avail[i]為箱子i 的可用容量。 初始時(shí)，所有箱子的可用容量為c 。 選擇物品i放入具有最小avail且容量大于s[i]的箱子中。
標(biāo)簽：
上傳時(shí)間： 2015-05-22
上傳用戶：yan2267246
good morning,my dear teachers,my dear professors.i am very glad to be here for your interview.my name is song yonghao,i am 22 years old .i come from luoyang,a very beautiful aicent city.my undergratuade period will be accomplished in changan university in july ,2004 and now,i am trying my best for o
標(biāo)簽： dear professors interview my
上傳時(shí)間： 2015-05-24
上傳用戶：shus521
代碼名稱： Snitz Forums 2000 代碼語(yǔ)言： 英文 代碼類型： 國(guó)外代碼 運(yùn)行環(huán)境： ASP 授權(quán)方式： 免費(fèi)代碼 代碼大小： 530kb 代碼等級(jí)： 3 整理時(shí)間： 2006-3-15 16:42:00 聯(lián) 系 人： 開(kāi) 發(fā) 商： 演示地址： 簡(jiǎn) 介： Snitz Forums 2000, one of the best ASP based bulletin board systems on the market. Getting better every day! A complete board system (forum) that allows the user access to a friendly and intuitive interface. Snitz Forums 2000 v3.4.05 [74]
標(biāo)簽： 代碼 Forums Snitz 2000
上傳時(shí)間： 2015-06-03
上傳用戶：caixiaoxu26
W2kPrintDrvSample Feature ======= * Support two page directions, portrait and landscape * Support just one page size, A4 * Support two resolutions, 200 x 200 and 100 x 100 dpi * Support two color mode, color(24bpp) and monochrom * Support halftoning in monochromatic mode * Support color identifying(7 colors) * Support type identifying(3 types) ... Usage ===== * 在monochromatic mode下，可以通過(guò)設(shè)置黑色的輸出類型來(lái)控制輸出 * 在color mode下，可以通過(guò)設(shè)置各個(gè)顏色的輸出類型來(lái)控制輸出，7種 顏色以外的顏色都作為黑色來(lái)識(shí)別 * 在輸出多頁(yè)文件時(shí)，可以分別指定每頁(yè)的輸出文件名，也可以使用自動(dòng) 添加頁(yè)號(hào)的功能 ... Known Problems ============== Developer Notes =============== * 在windows ddk 命令行環(huán)境下編譯 參考步驟： 1. 將W2kPrintDrv解壓至DDK安裝目錄 2. 執(zhí)行“開(kāi)始”菜單->Developement Kits->Windows 2000 DDK->Checked Build Enviroment 3. 在命令行環(huán)境輸入 > cd W2kPrintDrv > build Author ====== terrificskyfox <terrificskyfox@yahoo.com.cn>
標(biāo)簽： W2kPrintDrvSample directions landscape portrait
上傳時(shí)間： 2015-06-11
上傳用戶：GHF
Included are the files wav1.m, wav2.m, wavecoef.mat and readme. wav2 function implements the tree structured wavelet transform of the input matrix, up to the given level of decomposition. Wav2 uses another function called wav1, which takes the well known wavelet transform of the given matrix. Daubechies wavelet coefficients are used for wavelet transform operation wahich is saved in wavcoeff.mat.
標(biāo)簽： implements the wav Included
上傳時(shí)間： 2015-06-23
上傳用戶：愛(ài)死愛(ài)死
蟲(chóng)蟲(chóng)下載站版權(quán)所有 京ICP備2021023401號(hào)-1
