USB是PC體系中的一套全新的工業(yè)標(biāo)準(zhǔn),它支持單個(gè)主機(jī)與多個(gè)外接設(shè)備同時(shí)進(jìn)行數(shù)據(jù)交換。 首先會(huì)介紹USB的結(jié)構(gòu)和特點(diǎn),包括總線特徵、協(xié)議定義、傳輸方式和電源管理等等。這部分內(nèi)容會(huì)使USB開(kāi)發(fā)者和用戶(hù)對(duì)USB有一整體的認(rèn)識(shí)。
標(biāo)簽: USB
上傳時(shí)間: 2015-10-18
上傳用戶(hù):lixinxiang
灰色理論下之灰關(guān)聯(lián)matlab源碼,可幫助計(jì)算一序列中的數(shù)據(jù)的權(quán)重,得以給予不同之相關(guān)性
標(biāo)簽: matlab
上傳時(shí)間: 2013-12-22
上傳用戶(hù):源碼3
灰色理論下之最基本操作元,灰生成之matlab源碼,可很快計(jì)算出數(shù)據(jù)各階之生成結(jié)果
標(biāo)簽: 基本操作
上傳時(shí)間: 2013-12-01
上傳用戶(hù):aappkkee
一:需求分析 1. 問(wèn)題描述 魔王總是使用自己的一種非常精練而抽象的語(yǔ)言講話,沒(méi)人能聽(tīng)懂,但他的語(yǔ)言是可逐步解釋成人能聽(tīng)懂的語(yǔ)言,因?yàn)樗恼Z(yǔ)言是由以下兩種形式的規(guī)則由人的語(yǔ)言逐步抽象上去的: ----------------------------------------------------------- (1) a---> (B1)(B2)....(Bm) (2)[(op1)(p2)...(pn)]---->[o(pn)][o(p(n-1))].....[o(p1)o] ----------------------------------------------------------- 在這兩種形式中,從左到右均表示解釋.試寫(xiě)一個(gè)魔王語(yǔ)言的解釋系統(tǒng),把 他的話解釋成人能聽(tīng)得懂的話. 2. 基本要求: 用下述兩條具體規(guī)則和上述規(guī)則形式(2)實(shí)現(xiàn).設(shè)大寫(xiě)字母表示魔王語(yǔ)言的詞匯 小寫(xiě)字母表示人的語(yǔ)言的詞匯 希臘字母表示可以用大寫(xiě)字母或小寫(xiě)字母代換的變量.魔王語(yǔ)言可含人的詞匯. (1) B --> tAdA (2) A --> sae 3. 測(cè)試數(shù)據(jù): B(ehnxgz)B 解釋成 tsaedsaeezegexenehetsaedsae若將小寫(xiě)字母與漢字建立下表所示的對(duì)應(yīng)關(guān)系,則魔王說(shuō)的話是:"天上一只鵝地上一只鵝鵝追鵝趕鵝下鵝蛋鵝恨鵝天上一只鵝地上一只鵝". | t | d | s | a | e | z | g | x | n | h | | 天 | 地 | 上 | 一只| 鵝 | 追 | 趕 | 下 | 蛋 | 恨 |
上傳時(shí)間: 2014-12-02
上傳用戶(hù):jkhjkh1982
We have a group of N items (represented by integers from 1 to N), and we know that there is some total order defined for these items. You may assume that no two elements will be equal (for all a, b: a<b or b<a). However, it is expensive to compare two items. Your task is to make a number of comparisons, and then output the sorted order. The cost of determining if a < b is given by the bth integer of element a of costs (space delimited), which is the same as the ath integer of element b. Naturally, you will be judged on the total cost of the comparisons you make before outputting the sorted order. If your order is incorrect, you will receive a 0. Otherwise, your score will be opt/cost, where opt is the best cost anyone has achieved and cost is the total cost of the comparisons you make (so your score for a test case will be between 0 and 1). Your score for the problem will simply be the sum of your scores for the individual test cases.
標(biāo)簽: represented integers group items
上傳時(shí)間: 2016-01-17
上傳用戶(hù):jeffery
The XML Toolbox converts MATLAB data types (such as double, char, struct, complex, sparse, logical) of any level of nesting to XML format and vice versa. For example, >> project.name = MyProject >> project.id = 1234 >> project.param.a = 3.1415 >> project.param.b = 42 becomes with str=xml_format(project, off ) "<project> <name>MyProject</name> <id>1234</id> <param> <a>3.1415</a> <b>42</b> </param> </project>" On the other hand, if an XML string XStr is given, this can be converted easily to a MATLAB data type or structure V with the command V=xml_parse(XStr).
標(biāo)簽: converts Toolbox complex logical
上傳時(shí)間: 2016-02-12
上傳用戶(hù):a673761058
售票管理系統(tǒng),有相關(guān)數(shù)據(jù)庫(kù)管理功能
標(biāo)簽: 系統(tǒng)
上傳時(shí)間: 2013-12-22
上傳用戶(hù):tonyshao
Apriori源代碼,包含c++/java實(shí)現(xiàn);<br>神經(jīng)網(wǎng)絡(luò)算法源程序,如SOM、HOPFIELD、CPN、BPN、BOLTZMAN、ART、ADALINE,同時(shí)提供針對(duì)不同算法的演示源程序;遺傳C源代碼;外加充實(shí)的數(shù)據(jù)挖掘的算法講解ppt
上傳時(shí)間: 2014-01-23
上傳用戶(hù):zxc23456789
工廠採(cǎi)購(gòu)管理系統(tǒng),採(cǎi)用delphi+sqlserver開(kāi)發(fā),完全C/S架設(shè),所有數(shù)據(jù)全部通過(guò)存儲(chǔ)過(guò)程活觸發(fā)器完成
標(biāo)簽: 系統(tǒng)
上傳時(shí)間: 2013-12-14
上傳用戶(hù):zhoujunzhen
look1為電子看板的第二個(gè)芯片,使用自制的握手信號(hào)與look通訊,可以進(jìn)行數(shù)據(jù)傳送,以及控制16個(gè)數(shù)碼管顯示,此案例已成功用於生產(chǎn)現(xiàn)志,所用的元件很少,功能較大呢
上傳時(shí)間: 2017-01-02
上傳用戶(hù):han_zh
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