換能器系統 的英文怎麼說
中文拼音 [huànnéngqìxìtǒng]
換能器系統
英文
transducer system- 換 : 動詞1. (給人東西同時從他那裡取得別的東西) exchange; barter; trade 2. (變換; 更換) change 3. (兌換) exchange; cash
- 能 : 能名詞(姓氏) a surname
- 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
- 系 : 系動詞(打結; 扣) tie; fasten; do up; button up
- 統 : Ⅰ名詞1 (事物間連續的關系) interconnected system 2 (衣服等的筒狀部分) any tube shaped part of ...
- 系統 : 1. (按一定關系組成的同類事物) system 2. (有條理的;有系統的) systematic
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In conjunction with server adapters and host specific optimization software, server switches provide a cohesive server system to meet stringent performance, scalability and resilience requirements of multiserver applications
服務器交換機與服務器適配器和特定主機上的優化軟體一起,提供一個聚合的服務器系統,滿足多服務器應用的嚴格的性能、可伸縮性和復原性要求。Relaxor ferroelectric single crystals, such as pb ( mg1 / 3nb2 / 3 ) - pbtio3 ( abbreviated as pmnt ) or pb ( zn1 / 3nb2 / 3 ) - pbtio3 ( abbreviated as pznt ), have been reported to exhibit an extremely large piezoelectric constant and excellent electrostrictive properties. such excellent performance makes it fully substitute the traditional piezoelectric ceramics and points to a revolution in ultrasonic transducers, actuators and micro - positioners, making relaxor - based piezocrystals the most promising materials for a broad range of advanced applications. however, it is difficult to grow the high quality single crystals because of the lack of valid thermodynamic data
新型弛豫鐵電單晶鈮鎂酸鉛(簡稱pmnt )或鈮鋅酸鉛(簡稱pznt )是一類新興的功能材料,其在準同型相界附近具有優于傳統壓電陶瓷的較高的壓電常數和電致伸縮系數,可完全代替傳統的壓電陶瓷作為超聲換能器、致動器、微位移器等,使其成為鐵電領域的研究熱點,但如何生長出滿足應用要求的單晶材料卻一直是一個困擾的問題。This paper introduces the fundamental and characteristic of the fuel cell, analyzes the necessity and detail scheme of adding assistant energy sources to the fuel cell power generation system. considering for the special demand of the fuel cell power generation system, this paper gives out a push pull forward converter ( ppfc ) with passive and lossless dual cdd snubber circuit
本文首先闡述了燃料電池的基本原理和性能特點,分析了在燃料電池發電系統中引入輔助能源系統的必要性及具體的配置方案,然後針對燃料電池發電系統對dc / dc變換器設計的特殊要求,提出了一種加雙cdd無源無損緩沖電路的推挽正激變換器( pushpullforwardconverter , ppfc ) 。This paper researches and analyses the developments of web technology and magnetostrictive transducers from world wide region. the paper also analyes the characteristics curve of magnetostrictive transducers based on its equivalent circuit and researches the method how to make sure its syntony frequency and its electric simulation network parameters. at the same time, by using jsp technology, a magnetostrictive transducer electric simulation application is designed based on b / s three - tier system structure. the experiment data is fitted by curve fitting module. the equivalent input impedance of it with stimulate loop is separated based on the results of curve fitting and the syntony frequency and electric simulation network parameters of magnetostrictive transducers is determined by the input impedance. the method presented in this paper can determine the syntony frequency and electric simulation network parameters of magnetostrictive transducers with a better accuracy than the testing method of syntony & anti - synton y. further more, jsp, the advanced technology at current, has been used to realize a magnetostrictive transducer web electric simulation system. the system has good human computer interface and the function of resource sharing and information publishing. the research of this paper and its achievements have some practical merits in the researchful and applied fields of magnetostrictive transducer
用java編程語言編寫的曲線擬合模塊,對輸入的實驗數據進行了最小二乘法的曲線擬合;根據曲線擬合結果可從帶激勵線圈的磁致伸縮換能器的輸入阻抗中分離出磁致伸縮換能器鐵芯在無激勵電流時由機械振動形成的等效輸入阻抗,並由此輸入阻抗確定磁致伸縮換能器的諧振頻率及電氣模擬網路參數。本課題提出的方法與傳統的諧振?反諧振法相比,能更準確地確定磁致伸縮換能器的諧振頻率及其電氣網路參數。同時,採用當前比較先進的web技術,實現了基於jsp的磁致伸縮換能器web電氣模擬系統,該系統具有良好的人機界面和資源共享、信息發布功能。On the basis of saw technology, this thesis designs a saw humidity sensor. include the design of idt ( interdigital transducer ), the thin film as well as the frequency measurement system
在對saw傳感器技術進行研究的基礎上,本文設計了一個saw濕度傳感器,包括idt (叉指換能器)的設計、薄膜的設計以及頻率測量系統的設計。3. measure and receiving system of phased array transducer
相控陣換能器的測量接收系統。Under windows nt and labview development environment, using the linear fit module, exponential fit module > general polynomial fit module of labview to design a method for fitting the experiment data, the results of curve fitting indicate that the purpose of general polynomial fitting is better than the rest. separating the equivalent input impedance of magnetostrictive transducers without stimulate current from input impedance of it with stimulate loop based on the results of curve fitting, and determining the syntony frequency and electric simulation network parameters of magnetostrictive transducers by this input impedance. finally, with labview network functions, realizing magnetostrictive transducer electric simulation system based on web server and discussing a scheme for this system network by datasocket. the method of this paper can more accurately determine the syntony frequency and electric simulation network parameters of magnetostrictive transducers than the testing method of syntony & anti - syntony. at the same time, discussing virtual instrument measurement system and how to realize magnetostrictive transducer electric simulation network system by labview network functions of network virtual instrument measurement development environment
在windowsnt系統環境和labview虛擬儀器技術開發平臺下,首次利用labview中的直線擬合模塊、指數擬合模塊以及多項式擬合模塊,設計了一種對實驗所得數據進行曲線擬合的方法,對三種擬合方法進行了比較,曲線擬合結果表明,多項式擬合方法相對于其它兩種擬合方法效果更好;根據曲線擬合的結果可從帶激勵線圈的磁致伸縮換能器的輸入阻抗中分離出磁致伸縮換能器鐵芯在無激勵電流時機械振動形成的等效輸入阻抗,並由此輸入阻抗確定了磁致伸縮換能器的諧振頻率及其電氣模擬網路參數;最後通過labview提供的網路功能,實現了基於web服務器的磁致伸縮換能器電氣模擬虛擬儀器測試系統,並探討了通過datasocket技術實現該系統網路化的方案。Dual randomized modulation technique is more effective than existing simple random modulation schemes, such as random position modulation or random switching frequency modulation, in dispersing the power spectrum
與已經存在的任何一種單隨機方案相比,雙隨機調制技術驅散諧波能量而使之具有更寬的帶寬,能更加有效地減少功率變換器系統的離散譜峰值。It must be appreciated and accepted in telecom market, due to its advanced technology reliable performance and high cost performance. a series of technical key problems have been solved, mainly f an overal exhaustive design of the 128k switching network system was presented based on 4k net - chips, with our own intellectual property a 3 level 64k switching net was successfully designed, in which the tlevel consists of l6 4k net - chips and the s - level consists of a self designed single vlsi fpga chip with 560 pins. an optical net interface and an optical multiplexer were designed to carry out the voice transmission and distribution of l28, 000 users
在研究開發過程中,解決了一系列的技術關鍵問題,主要有:提出了基於有自主知識產權的4k網片的128k網路系統的總體設計方案;研究設計了tst三級結構64k交換網,其中t級含有16片4k網片, s級由自行設計的、 560pins的、單片大規模fpga實現;研究設計了雙機雙網雙余度的通信控制處理器系統,實現了對用戶呼叫、 tst各級網路的控制、報警等各種功能;研究設計了光網介面oni和光復用器omux ,實現了12 . 8萬用戶話音的傳輸分配。In the end of the paper, the development of the software is introduced and an example for floating - end heat exchanger design is given to show the usefulness of the system and the effect. the method presented in this paper makes use of database to save and manage the standard sizes data and makes use of drawing libraries to save and manager the parts and assembly drawings. the theory of fixed patterns with flexible sizes is used to generate the parts and assembly drawings
文中提出的方法充分利用了數據庫技術對換熱器系列標準化尺寸數據進行有效的存儲與管理,利用圖庫對結構相同或相似的視圖進行分級分類存儲與管理,利用「死圖活尺寸」的圖形生成原理快捷地生成各種型號浮頭式換熱器的零部件圖和裝配圖,實現了浮頭式換熱器的輔助設計計算和自動繪圖的功能;所開發的軟體使得換熱器設計中許多實際問題得到圓滿解決,軟體開發方法具有通用性,對其它類型的換熱器輔助設計系統的開發有重要的參考價值,在該領域中將有良好的應用前景。This paper mainly describes the small signal model and properties of the dc / dc converter, the optimum control model of the dc / ac inverter and analyses the stability and dynamic characteristics of the system. the experimental results show that the static inverter achieves high performance target
本文主要對6kva電源變換器系統進行了分析,包括前級dc dc變換器的小信號特性,后級dc ac逆變器的最優控制模型,分析了系統的穩定性和動態性能,模擬和實驗表明該電源變換器具有高的性能指標。Nevertheless, as the simulating technology involves the integrated high - techs and knowledge of computers, networks, images and graphs, multi - medias, software engineering, information processing and automated control, the simulating system is affected by its own characteristic - featured conditions, running environment and training requirements, thus yielding many problems that exist in our marine engine room simulators being currently used. for example : the mers system has poor working stability and high rate of breakdown ; its viewing device is yet to be updated, as the true aspect of the engine room can not be seen during training ; the teaching display board can not display the running state of the system with 3 - d animations, neither can it change the dynamic flow chart, etc. the afore - said problems have been greatly retarding the seafaring teaching and training, and restricting the application value of mers, as a consequence
但是,由於輪機模擬器模擬技術綜合了計算機、網路技術、圖形圖像技術、多媒體、軟體工程、信息處理、自動控制等多個高新技術領域的知識,模擬系統受到了其特有的制約條件、運行環境和訓練要求的影響,現行輪機模擬器在應用中還存在著許多問題,如:輪機模擬器系統工作穩定性差,故障率高;視景裝置落後,訓練中見不到機艙真面目;示教板不能用三維動畫來顯示設備運行狀態,不能更換動態流程圖等。A comparative study and simulation of different control schemes, for the brushless motor variable - speed system, is presented. the simulation results show that, with the outer speed loop based on conventional proportional - integral controller, the dynamic performance of the system is not content, while with intelligence controller, the performance improves, and with variable - structure control with sliding mode, the system response influenced slightly by the vary of the system parameters
本文還對無換向器電動機雙閉環調速系統的不同控制方式進行了模擬比較,結果表明:採用常規的pi轉速調節器,系統的動態性能不是很好;採用簡單的轉速環智能控制器,系統的動態性能能得到一定改善;採用轉速環滑模變結構控制器,系統的響應特性受系統參數變化的影響較小,具有優異的動態性能。The first task in the thesis is to make acoustic model. account practice transducer and other acoustic parameter " research and analyze arithinehc of echosotmder. research and analyze factors of influence system precision and me safety
論文中的首要工作是建立聲學模型、計算出實際所需要的換能器以及其他的一些的聲學參數、對測高的演算法進行了研究分析、對影響系統精度以及準確正常工作的一些因素進行了分析。Chart is constantly developing capabilities in their traditional markets as well as other emerging markets that require our skills as a provider of heat exchangers, process piping, vacuum insulated piping, cold boxes, and process vessels
除了為傳統行業提供服務外,查特還不斷提高研發能力,以滿足那些需要我們支持的行業的需求,如熱交換器,系統管道,真空絕熱管道,冷箱,及各種深冷容器。According to different function, the hardware part is divided into processor module, analog signals input and converting module, digital signals module, communication module, clock module and display module
按照功能的不同,硬體劃分成處理器系統模塊、模擬信號輸入和轉換模塊、開關量輸入輸出模塊、通信模塊、時鐘模塊、鍵盤顯示模塊、電源模塊。At the basis of designing underwater geomorphological measurement system concrete plan, this dissertation makes study and analysis on its measuring depth of water sonar system and dynamic global position system. this dissertation simply and thoroughly introduces the state of underwater acoustic transducer and array. it covers the basic situation, the study benefits, the classification and role, analyses the performance index, designs the performance parameter relating to themselves performance synthesis and sonar equation
論文在制定水下地貌測量系統技術方案的基礎上,論述了該系統中的水深測量聲納系統和動態定位系統( dgps ) ,分析了水聲換能器及基陣的性能指標,確定了換能器及基陣的主要性能參數。Li - zhen board ultrasonic system using input devices, ease of repair and maintenance ; devices used to import food, ultrasonic conversion rates, cleansing effect good
超聲系統採用投入式震板裝置,便於維修及保養採用進口換能器,超聲轉換率高,清洗效果好。Li - zhen board ultrasonic system using input devices, ease of repair and maintenance ; devices used to import food, ultrasonic conversion rates, a good cleansing effect
超聲系統採用投入式震板裝置,便於維修及保養採用進口換能器,超聲轉換率高,清洗效果好。Three - level converter is a novel technology that is produced and developed in 1980 ' s. three - level ladder output voltage is accomplished by dc - side division voltage and different switch combination, and the capacity of converter system and endure voltage are efficiently improved, and the output voltage harmonics and switch loss are reduced
三電平換流器是20世紀80年代產生並發展起來的一種新興變流技術,它通過對直流側的分壓和開關動作的不同組合,實現三電平階梯波輸出電壓,能有效地提高換流器系統地容量和耐壓,減少輸出電壓諧波和開關損耗。分享友人