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d and d

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d and d 短語和例子D and D, D & D＝ 〔美俚...

短語和例子D and D, D & D ＝ 〔美俚〕 1.drunk and disorderly (警察用語)酒醉后擾亂治安的。 2.deaf and dumb 又聾又啞的；〔比喻〕裝聾作啞的(尤指因為怕報復而對壞事不加告發)。 “d“ 中文翻譯：    CD ＝ 400. DC ＝ 600. “'d“ 中文翻譯：    〔口語〕 1.＝ had: I'd ... ＝ I had .... 2.＝ did: Where'd ... ＝ Where did .... 3.＝ should (或 would): He'd ... ＝ He should (或 would). 4.＝-ed: foster'd. “a and d“ 中文翻譯：   入院和出院“a d“ 中文翻譯：   disk]重折光盤; 放棄的; 是一組對立項; 重折光盤,暗帶“d“ 中文翻譯：    D flat 【音樂】降 D 調。 D major [minor] 【音樂】 D 大調[小調]。 D sharp 【音樂】升 D 調。 a D student 劣等生。 a D slide valve D 形滑閥。 CD ＝ 400. DC ＝ 600. “d and“ 中文翻譯：   dd and d, d & d＝ 〔美俚〕1.drunk and disorderly (警察用語)酒醉后擾亂治安的。2.deaf and dumb 又聾又啞的；〔比喻〕裝聾作啞的(尤指因為怕報復而對壞事不加告發)。; 儀器公司“d by“ 中文翻譯：   受到...困擾“d no“ 中文翻譯：   第號“d s“ 中文翻譯：   D S, D.S ＝Doctor of Science 理學博士。 “d t“ 中文翻譯：   D T, D.T. ＝Doctor of Theology 神學博士。 “d'“ 中文翻譯：    〔口語〕 1.＝ do: How d'you ... ＝ How do you ... 2.＝ did. “in d“ 中文翻譯：   in d ＝〔L.〕 in diēs (處方用語)每日。 “no d“ 中文翻譯：   常見英語單詞/技術單詞“t d“ 中文翻譯：   八去; 后面的字母“they'd“ 中文翻譯：   1.＝they had. 2.＝they would. “d-scope; d-scan d“ 中文翻譯：   型顯示“a d d ddour“ 中文翻譯：   陰郁的/“a-d ad d-a conversion“ 中文翻譯：   模擬“a-d and d-a conversion“ 中文翻譯：   模擬“a-d; a-d (analog-digital)“ 中文翻譯：   模擬“a，d vitmin a, d“ 中文翻譯：   維生素“class d amplifier d“ 中文翻譯：   類放大器“class d d“ 中文翻譯：   類火“class d fire d“ 中文翻譯：   類火“class d furnace d“ 中文翻譯：   類加熱爐

d notice

The theoretical analysis and simulate results show that the chaotic adc proposed in this paper overcomes the problems of the gain mismatches between stages and the mismatches between a / d and d / a in single stage in the pipeline adc , which severely infect the resolution of adc , and this kind of adc also be not sensitive to noises so that the precision requirements of some components used for the system are much easier to be achieved . therefore , using this approach we may achieve a conversion at high speed and high resolution 理論分析和實驗仿真表明本文所提出的a / d轉換器克服了流水結構a / d轉換器多級之間的增益匹配和每級中a / d和d / a轉換之間的匹配等主要影響精度的設計問題，具有對噪聲干擾不敏感等特性，降低了對部分元器件的精度等要求，可能為高速高精度a / d轉換器的設計提供一種新的途經。

The software radio is one of the new communication systems which were presented in recent years . the fundamental idea of software radio is to establish an open , standard and modular universal hardware platform where the a / d and d / a converter is moved as close as possible to antenna and all of the communication function is realized by software . the aim is to research and develop a high flexible and adaptable communication system 軟件無線電是在無線電通信領域提出的一種新的通信系統體系結構,它的基本思想是構造一個具有開放性、標準化和模塊化的通用硬件平臺,將寬帶a / d和d / a轉換器盡可能靠近天線,通過軟件編程來實現各種功能,以研制出具有高度靈活性和適應性的無線通信系統。

The whole architecture of software radio system is divided into five modules including wide band antenna and radiant frequency front - end module , wide band a / d and d / a one , converter one , digital signal processing one with high speed and instruction processing one . accordingly some technical nodi are analyzed and key techniques to solve these questions are stated in the every module at length . during the software design , the modularization design of the software radio is accomplished with borland c + + builder and the main module program is written so that the system can work in three different ways such as receiver , transmitter and gateway 本文跟蹤國內外軟件無線電最新研究現狀，詳細推導了軟件無線電的基本理論；在方案論證的基礎上，把pc機、 windows操作系統分別作為通用硬、軟件平臺，將軟件無線電系統在結構上分為五個模塊，分別為寬帶天線及射頻前端模塊、寬帶模數和數模轉換模塊、變頻器模塊、高速數字信號處理模塊和信令處理模塊，并對每個模塊中的技術難點和實現此模塊功能的關鍵技術進行詳細論述；在系統軟件化設計過程中，利用borlandc + + builder完成軟件無線電系統總體模塊化設計，編寫了主模塊程序，使整個系統能工作于三種狀態：接收機、發射機和網關。

His idea is based on the fact that the pivot of the soft wireless structure is to put the broad band a / d and d / a conversion near to antenna by all means , and to define the functions of the transmitter - receiver as many as possible in the forms of software ( namely realized by software ) . the technology of background signal simulator puts the focus on the methods used to realize the software , namely to exploit the functions of the hardware ( for example , dsp fpga or asic ) through the idea of software design , and to produce ( realize ) wireless signals by high speed lsi and software programming 1992年5月的全美電信系統年會上， mitre公司的資深科學家joemitola首次給出了軟件無線電的定義，他認為：軟件無線電的組成架構的中心點是將寬帶模?數( a d )和數?模( d a )轉換器盡可能地靠近天線，將盡可能多的電臺功能以軟件的形式定義(即用軟件來實現) 。背景信號模擬器所采用的技術集中體現在軟件無線電技術，即用軟件化設計去開發硬件(如dsp 、 fpga 、 asic )功能，采用高速大規模數字集成電路、軟件編程的方法產生(實現)各種無線電信號。

The paper is completed research of measurement and control system based on dsp under technology . the paper is designed a card with the data - collection conversion and control by adopting mainly tms320f240 among the dsps as kernel processor , with peripheric a / d and d / a circuit epm7128 ' s decode and latch circuit and isa interface circuit 本論文主要是采用數字信號處理器dsp中的tms320f240作為核心處理器，結合外部的模數轉換和數模轉換電路、可編程邏輯器件epm7128的地址譯碼和鎖存電路和isa接口電路，設計了集采集、轉換、控制于一身的isa卡。

The software defined radio is a new kind of concept and system that is putted forward in recently years to realize the communication , and is applied to wireless communication . its core lies that : the converter of the broad band a / d and d / a should be made close to the antenna as possible as it can 軟件無線電是近幾年來提出的一種通信新技術，目前主要應用在無線通信領域。它的核心是：將寬帶a d和d a變換器盡可能地靠近天線，而電臺功能盡可能地采用軟件進行定義。

With a mcu and a dot matrix lcd chinese characters display introduced and a serial e2prom to protect data , a reliable compact controller is developed via photo coupler isolated and serial a / d and d / a for process input and output . and a rs - 485 communication interface contributes to network of distributed system for centralized supervisory control 控制器硬件以單片機為核心，采用點陣lcd顯示漢字；光電隔離和串行a d 、 d a結合實現信號轉換；串行e ~ 2prom實現數據保護；并通過rs - 485串行通信接口與上位機實現分布式控制。

The synchro / resolver signal transmit & receive card is the most important and difficult part which used special a / d and d / a ( axis angle converter ) to make conversion between the analog singnals related to angle and its digital counterpart , thus solve the issue of stimulation and test of synchro / resolver signal ， improved the test precision and automatic degree 其中同步器卡的開發是難點和重點，它采用特殊的數/模、模/數轉換器件?軸角轉換器，實現了角位-數字信號相互間的直接轉換，解決了隨動系統性能檢測中三相同步器信號激勵與同步器信號/分解器信號數字化檢測問題，有效提高了系統的自動化程度和檢測精度。

The tester will be monitored by this system . first of all , the article summarizes the developments of the auto - control technology and the fatigue experiment , analyzes the domestic situation of the experiment equipment , and the superiority of the computer - aided monitoring system of the tester , presents the research meaning and tasks . computer - aided monitoring is related to auto - control , sampling theory , a / d and d / a conversion , data store and so on 首先概述了自動控制技術和疲勞試驗的發展，分析了國內現有相關試驗設備控制手段較為落后的現狀，以及采用以計算機為核心的試驗機監控系統所具有的技術優勢、性能優勢、操作便利性及系統的可拓展性，確定了計算機試驗機監控系統這一課題的研究方向和研究內容，明確了研究此課題的實際意義。

Before the development of the system , the article describes the above - mentioned aspects , as the bases of the system development . the article emphasizes related auto - controlling technologies : open - 100p and close - 100p , and control mode of negative - feedback , the scatter and quantization of the simulate signal , the conception of a / d and d / a conversion and code / encode , the basic sampling principles of the simulate signal . the article introduces the operation method and process of the system by means of the load spectrum 文章對相關的理論進行了陳述，以作為系統開發的理論依據，重點闡述了自動控制系統中包括開環閉環在內的幾大主要控制模式，以及有關的負反饋控制方式，模擬信號的離散與量化，模數轉換、數模轉換、編碼譯碼的概念，及模擬信號采樣的基本原理? ?采樣定理，并以載荷譜法為例，簡述了所研究的系統將要采取的工作方式及工作過程。

Correspondence analysis showed that genotype b was significantly more common in patients with asymptomatic carriers ( asc ) , chronic hepatitis b ( chb ) and severe hepatitis ( sh ) compared with liver cirrhosis ( lc ) and hepatocellular carcinoma ( hcc ) ( p < 0 . 05 ) . genotype c was most prevalence in patients with lc than in those with other liver diseases ( p < 0 . 05 ) . genotype d and d - mixed genotype were found to correlated with hcc at first time 對應分析顯示，無癥狀攜帶者、慢性肝炎、重型肝炎中基因b型所占福建醫科大學2000級碩士研究生畢業論文中文摘要比例明顯高于肝硬化和原發性肝癌( hcc )組( p < 0 . 05 ) ; c型在肝硬化中所占比例顯著高于其它疾病組( p < 0 . 05 ) ; hcc與基因d型及其混合型關系密切。

It is widely used in many circuits , such as high precise comparators , a / d and d / a converters , drams , flash memory circuits , and other analog or mixed circuits . therefore , it is significant to develop a voltage reference circuitry that is compatible with digital cmos technology and can be integrated into a system on a chip ( soc ) 基準電壓源( voltagereference )是超大規模集成電路和系統的重要組成部分，應用于高精度比較器、 a d和d a轉換器、隨機動態存取存儲器、閃存電路等多種電路和電路單元，亦為系統集成芯片( soc ， systemonachip )所廣泛采用。

The meter ( which is called pccm2002 for short ) is designed on the basis of mcs - 51 single - chip microcomputer technique . the hardware is composed of single - chip microcomputer module and electrochemical module . the single - chip microcomputer module can be divided into five parts , cpu circuit , a / d and d / a circuit , peripheral memory circuit , i / o interface circuit , distributing address circuit ; the electrochemical module is made up of potentiostatic circuit , galvanostatic circuit , potentiostatic - galvanostatic ( p - g ) conversion circuit , signal measuring circuit . the software of the meter is edited by c51 language , it is well - structured and module . all program modules have been linked into an executable files after compiled separately , then copy to eprom 恒電位控制下的恒電量智能化腐蝕監測儀采用基于mcs - 51單片機技術的智能化設計，儀器硬件由單片機系統模塊和電化學接口模塊組成，單片機系統模塊包括cpu電路，片外存貯器擴展電路，模數和數模( a d和d a )電路，輸入輸出( i o )接口電路，地址分配電路，各電路模塊通過系統總線交換信息；電化學接口模塊主要由恒電位電路，恒電流電路，恒電位-恒電流( p - g )轉換電路，信號放大與采集電路組成。

3 . after analyze to various methods of the synchronous control , decide to utilize a / d and d / a combines with the numerical pid control method to research the pc of synchronous controller and apply to the space vehicle ’ s vibration environment experiment 3 .對同步控制的各種方法進行了分析,結合數字pid控制算法,率先采用計算機自動測量和控制技術,將基于pc的a / d和d / a板卡應用于航天器環境模擬試驗的并聯雙振動臺系統中,解決了同步控制器研制的問題。

This system uses the evm of dual - core tms320vc5471 . for the different core configuration , the dsp has a / d and d / a modules to implement speech signal i / o channel , real time implementation of speech coder . meanwhile embedded operation system uclinux is transplanted into it 結合cpu兩個內核不同的體系結構，在dsp內核上連接a / d 、 d / a模塊實現語音信號i / o通道以及實時實現語音編解碼算法，在arm內核上移植了clinux嵌入式操作系統。

Usually , a real simulation system includes a net system composed of several computers and i / o interface i / o interface in it is used to communicate between simulation computer and manipulation hardware , mainly , it is used in a / d and d / a between them 一個實時仿真系統往往包含有多臺計算機構成的網絡系統和i o接口，其中的i o接口是用于仿真主計算機和硬件操縱盤臺之間的通信，用來實現兩者間的數字量模擬量之間的相互轉換。

The basis idea of software radio ( srd ) is to place the a / d and d / a close up the antenna as possible as and use software to realize all the function of any radio based on an opening and blocking currency hardware platform 軟件無線電的基本思想是將寬帶a / d及d / a盡可能靠近天線,將無線電臺的各種功能在一個開放性、模塊化的通用硬件平臺上盡可能多的用軟件來實現。

After the methods of a / d and d / a were expressed according to the hardware and needs of the system , the article explains the language environment and the program structure 在結合具體硬件環境和系統需求明確了系統的a d 、 d a等環節的實現手段以后，文章對系統控制程序所采用的具體的語言環境和程序結構進行了說明。

The package of software contains the pid algorithm realizing for the dsp control system , the program for system initialization as well as the program for a / d and d / a transforming 對控制系統進行了軟件設計。軟件包括控制系統pid算法的dsp實現、系統初始化以及a d 、 d a轉換程序。