環式加法器 的英文怎麼說
中文拼音 [huánshìjiāfǎqì]
環式加法器
英文
ring type adder- 環 : Ⅰ名詞1 (環子) ring; hoop 2 (環節) link 3 (姓氏) a surname Ⅱ動詞(圍繞) surround; encircle;...
- 式 : 名詞1 (樣式) type; style 2 (格式) pattern; form 3 (儀式; 典禮) ceremony; ritual 4 (自然科...
- 法 : Ⅰ名詞1 (由國家制定或認可的行為規則的總稱) law 2 (方法; 方式) way; method; mode; means 3 (標...
- 器 : 名詞1. (器具) implement; utensil; ware 2. (器官) organ 3. (度量; 才能) capacity; talent 4. (姓氏) a surname
- 法器 : [宗教] musical instruments used in a buddhist or taoist mass
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Regarding the hysteretic properties and time - varying of the system, the scan round performance of the controller, adopt incremental pid algorithm in constant - pressure controlling and combine it with the integral - separated dead - zone algorithm as appropriate for the situation of the measuring system and applies fuzzy self - tuning to control pid controller parameters
由於系統的滯后時變性和控制器的循環掃描工作方式,恆壓控制採用增量式pid控制演算法,結合測量系統實際情況加入積分分離帶死區改進演算法,並對pid參數進行模糊自整定控制,設計了一種參數自整定模糊pid控制器。According to the request of this subject, we have developed the system hardware and software for the slave device and the inspection software running on the pc. in this paper all of the followings is illustrated detailedly, such as the research on the principles of measurement and its realization, three means of water - level measurement that are separately based on photo electricity coder, pressure sensor and potentiometer ; selection of the microchip, we choose an advanced integrated soc ( system on chip ) microchip c8051f021 as the main controller ; realization of signal sampling, processing and its conversion in the mcu ; application of high precision 16 bits adc cmos chip - - ad7705 in our system, designing its interface with the microchip and relevant program ; using a trickle charge timekeeping chip ds1302 in the system which can provide time norm and designing of its i / o interface and program ; additionally, a 4 ~ 20ma current output channel to provide system check - up using ad421. in the system, ad421, ad7705 and the microchip compose spi bus ; to communicate with the master pc, here we use two ways which are separately rs232 and rs485 ; moreover, there are alarm unit, keyboard unit, power supply inspection unit and voltage norm providing unit in the system
針對研製任務的要求,課題期間研製了下位機系統硬體和軟體,開發了上位機監控軟體,其中所作的具體工作包括:測量原理的研究和在系統中的實現,在本次設計中用三種方法來進行水位測量,分別是旋轉編碼器法、液位壓力傳感器法和可變電阻器法;主控晶元的選擇,我們選用了高集成度的混合信號系統級晶元c8051f021 ;實現了信號的採集和處理,包括信號的轉換和在單片機內的運算;高集成度16位模數轉換晶元ad7705在系統中的應用,我們完成了它與單片機的介面設計及程序編制任務;精確時鐘晶元ds1302在系統中的應用,在此,我們實現了用單片機的i o口與ds1302的連接和在軟體中對時序的模擬,該晶元的應用給整臺儀器提供了時間基準,方便了儀器的使用;另外,針對研製任務的要求,還給系統加上了一路4 20ma模擬信號電流環的輸出電路來提供系統監測,該部分的實現是通過採用ad421晶元來完成的,本設計中完成了ad421與單片機的spi介面任務,協調了它與ad7705晶元和單片機共同構成的spi總線系統的關系,並完成了程序設計;與上位機的通信介面設計,該部分通過兩種方法實現: rs232通信方式和rs485通信方式;系統設計方面還包括報警電路設計、操作鍵盤設計、電源監控電路設計、電壓基準電路的設計。With the strong dsp as the control unit, the design of main circuit structure is provided, and the control policy for the main circuit loop, the tuning of the triggering angle for thyristor are given
在具體的系統實現中,變換器主迴路選擇環流控制方式,採用高性能dsp作為模糊控制核心,通過加權平均判決的模糊決策演算法對變換器主迴路晶閘管的觸發角進行調制,從而有效控制輸出電壓波形。Based on iec standards, the methods of designing square demodulator, bandpass - weighted filter, and smoothing filter are presented. besides, the signal conditioning circuits and online statistical analysis methods of instantaneous flicker value are given. matlab simulink is also used to simulate the measuring process of voltage fluctuation and flcker
基於iec標準要求,設計了實現數字式電壓閃變測量的平方解調器、帶通加權濾波器、平滑濾波器等各環節,給出了信號調理電路和瞬時閃變值在線統計分析方法,並應用matlab系統模擬工具simulink對電壓波動和閃變測量全過程進行了數字化模擬。The authors first apply basic theory of equivalent heat drop on the common circulation heat calculating model for thermal system in supercritical pressure power unit with second reheat cycles and other kind of condensing steam turbine by mathematical derivation strictly, based on the normal energy balance and theory of equivalent heat drop, aiming at characteristics of thermal system in which there are outer steam coolers that high pressure heater and low pressure heater carry
摘要以常規熱平衡方法和等效熱降理論為基礎,針對二次再熱超臨界機組熱力系統高低壓加熱器均設置外置式蒸汽冷卻器的特點,經過嚴格的數學推導,將等效熱降理論應用於二次再熱超臨界機組熱力系統循環吸熱量計算的研究,並提出了適用於不同類型凝汽式機組的通用數學計算模型。The article relates that the tool ' s measurement precision has been improved by applying cycling acquisition method, self calibration function and phase - sensitive detector. the image coverage rate is improved and reached to 60 percent by increasing the number of pad ' s buttons. the tool carried out two logging functions : fast - scanner mode and dip mode
本文敘述了採用循環採集法、自刻度功能、相敏檢波等方法提高了儀器的測量精度;通過增加極板電扣的數量將圖像覆蓋率提高到60 ;實現了快掃描、傾角兩種測井模式;將測斜短節與預處理短節合二為一,縮短了儀器長度;去除了零伺服控制系統,簡化了電路;用fpga晶元對採集控制器重新設計。Among others, introducing the speed and acceleration feedforward links and the notch filter into the control system and adopting integral - separate pid algorithm, etc., are effective measures taken to enhance the control performance
其中,在控制演算法中引入帶有速度和加速度的前饋環節及陷波濾波器,並採用積分分離式pid演算法等是本文為提高控制性能而採取的有效措施。Aimed at performance improvement for the iocp multimedia network server in large - scale complex environment, this paper presents the methods concerned with network base development, configuration design and the logical module design as follows : elevate data processing efficiency by optimizing the data package and transmission, enhance code reusability and extendibility by modular construction, and further optimize the logical module performance through port dispatch
摘要面臨iocp多媒體網路服務器所的大復雜度環境設計問題,本文論述該網路服務器的網路底層開發、結構設計及邏輯模塊設計,提出提高其性能的方法:優化數據封裝以及投遞方式,增加數據的處理效率;整體結構模塊化設計,提高代碼的可重用性以及可擴展性;通過埠分流的方式,實現對邏輯模塊性能改進。Purpose : to study the requirements for training survey of adverse effects of medical devices, detect the weak points in current work about training survey of adverse effects of medical devices, discuss the more efficient training fashions and methods, and provide references and suggestions for establishment more rational training project
目的對醫療器械不良事件監測培訓需求進行研究,分析目前醫療器械不良事件監測培訓工作的薄弱環節,探討更加高效的培訓方式與方法,為制定更加合理的培訓方案提供參考和建議。But because of the characteristic of the open absorption refrigeration cycle, problems of continuous abstraction of uncondensable gas automatically and corrosion to pipe columns in the absorber when oxygen is separated from libr - h2o will appear. to solve them, more experiments and design efforts must be done in the future
但由於開式循環的特點,產生的不凝氣體的連續自動抽除問題、溴化鋰溶液在析出的微量氧氣條件下對吸收器管束的腐蝕問題等,均需要通過實驗和系統完善設計的方法來加以解決。First of all we discuss the model of information purifying and bring forward the methods of setting up the according fuzzy set and subject function. secondly after analyzing the traditional technology and the strongpoint and the shortcoing of information purifying we improve it combining with the technique of fuzzy mode identifying, data warehouse, cache etc. and we can perpetrate an on - line and synchronous purifying through analyzing the text and picture showing in the pages of network. finally, we choose sql server 2000 to design the url database and delphi, wingate as the tool for system development to develop an efficient system of information purifying which can keep the network consumer especially young student apart from the intrusion of unfriendly information and make the environment of network pure and fine
本文首先探討了該系統中的信息「凈化」模型,提出了模型中的模糊集及隸屬函數的構造方法;然後分析了傳統的信息「凈化」技術及其優缺點,結合模糊模式識別、數據倉庫、高速緩存等技術對傳統的信息「凈化」技術進行了改進,改進后的信息「凈化」技術可通過分析正在顯示中的網頁文字、圖片內容,做即時、同步性的網頁內容篩選;最後,利用sqlserver2000設計了url數據庫,選擇delphi 、 wingate作為系統開發工摘要具,設計開發了一種高效的網路「凈化」器,使網路用戶尤其是青少年學生遠離非友善信息的侵擾,讓網路環境更加純凈、美好。But affected buy plan economy way, hunan electric power line equipment & materials factory haven ’ t research on iron tower product marketing : research on electric power build environment and policy ; forecast of iron tower product market capacity and market prospect in coming 5 - 10 years or far. thereby is lack of integration think about iron tower product marketing strategy. in this thesis, the author coalition strategy, management, marketing and finance knowledge, on the base of economy, policy, technology macro … environment and produce, technology, manpower, finance ability, corporation culture, marketing manage way micro environment assay, exert swot way, discovery the strengths 、 weaknesses 、 opportunities and threats on hunan electric power line equipment & materials factory iron tower product
在本文中,作者結合所學習的戰略管理、營銷和財務知識,在湖南電力線路器材廠鐵塔產品市場競爭的經濟、政策、技術和行業等外部和生產規模、技術能力、人力資源、財務能力、企業文化、營銷管理模式等內部環境進行粗略分析基礎上,運用swot方法歸納了湖南電力線路器材廠鐵塔產品營銷的政策、歷史悠久、品牌知名度和美譽度高、技術積累、文化等方面的優勢和體制約束、生產規模和生產能力偏小、資金周轉困難、鐵塔加工成本過高、營銷管理模式等方面的劣勢,以及經濟發展和技術革新帶來的機會和體制改革和新的加工工藝帶來的威脅,根據企業的營銷戰略目標,進而提出了相關的鐵塔產品組合、產品包裝和服務策略、價格策略、渠道策略和顧客關系、供應商關系和同行關系等關系營銷策略和具體實施,並制定其營銷實施方案。To dissolve the switching power supply electro magnetism pollution towards environment, soft - switching pwm mode has been used instead of hard - switching pwm mode and a pfc stage has been added normally
消除開關電源對環境的電磁污染,一是要採用軟開關的pwm調節方式,二是在輸入端增加功率因數校正器,這是目前一般採用的辦法。Optics and optical instruments - environmental test methods - combined bounce or steady - state acceleration and dry heat or cold
光學和光學儀器.環境試驗方法.混合式跳動或穩態加速度與乾熱或乾冷And the controlling method of pi makes the temperature control quick and stable. at the same time, the paper completes the mutual communication between temperature control equipment and computer by way of serial interface and usb interface, so as to realize the remote control of computer to the temperature control equipment. finally, the performance test of the semi - conductor temperature control equipment researched in this paper is carried out, and the results show that the precision of the temperature of the controller of semi - conductor can reach to 0. 2, and the degree of temperature stablization is less than 0. 05
整個系統採用閉環控制結構,使系統的抗干擾能力大大增強;為半導體製冷器量身定做的驅動電路,可以方便的調節通過tec電流的大小和方向,使tec加熱製冷靈活迅速的特點得到充分發揮;使用比例積分( pi )的控制方法使得溫度控制快速穩定;同時,本文還實現了溫控儀與上位機通過串列口和usb口兩種方式的通訊,實現了上位機對溫控儀的遠程控制;最後,對所研製的半導體溫度控制儀進行了性能測試,測試結果表明,半導體溫度控制儀溫控精度達到0 . 2 ,溫度穩定度小於0 . 05 ,滿足了系統設計的要求。Construct, it is simpler to use the looping construct directly in order to iterate through the rows in the data reader
構造的語言中使用此方法檢索顯式構造函數,但直接使用循環構造來循環訪問數據讀取器的行卻更加簡單。Firstly, after analysing the feasibility of the combination of corba and hla, we go farther with the implement of a distributed rti - server based on corba, and decide deploying archtecture of the distributed rti - server. secondly, we design a kind of two - lay - data - filtering structure model based on the server and scheme of composite region assembling in the distributed environment, which has accelerated the speed of the dynamic region assembling, and has implemented the filtering of information in coarseness and extract way to reduce the information ' s flowing and computing in the network ; then we research the muti - server ddm arithmetic and the data management technology in distributed environment ; lastly, we implemente the distributed supporting simulation system based on corba, which supports a certain scale of simulation applications
首先在分析了corba與hla結合的理論可行性后,對分散式rti - server基於corba的實現進行了深入的研究,確定了分散式rti - server的系統部署結構;其次圍繞該結構設計了一種分佈環境下基於server的兩層數據過濾結構模型,實現了粗精兩層信息過濾,減少了網路上的信息流量和服務器的過濾計算量;同時提出了一種混合式區域聚集方案,該方案加快了動態區域的聚集合併,提高了rti服務器數據分發的效率;然後研究了多server分佈環境下數據分發管理演算法和數據管理的實現技術,最終實現了基於corba的分散式模擬支撐系統yh - mrti ,該系統已經可以支持基於分散式rtiserver的模擬應用。分享友人