明文開關 的英文怎麼說
中文拼音 [míngwénkāiguān]
明文開關
英文
text switch-
Firstly. operation principle of induction heating is introduced and the actuality of the power supply for induction heating is summarized. then, the scheme of structure of the power supply is established : uncontrolled rectifier and buck chopper constitute dc circuit. in this part, operation principle of a kind of soft switching buck chopper is presented mainly and the conclusion that the power semiconductor devices operate in soft switching is also illustrated by analysing the operation principle of all stages ; series resonant inverter is selected as inverter circuit via comparing the advantage and shortcoming of parallel resonant and series resonant. moreover. the work principle of series resonant inverter is analysed and the calculating method of the best dead time is put forward as well
文中首先介紹了感應加熱電源的工作原理並綜述了國內外的研究現狀。接下來分析並制定了電源主電路的構成方案：在對比幾種功率調節方式的基礎上選擇了不控整流加斬波調壓作為直流部分。在這部分里，重點研究了一種軟開關buck變換器，通過分析各階段的工作原理說明了開關器件如何工作在軟開關狀態；對于逆變器部分，在比較了串、並聯逆變器優缺點的基礎上選擇了串聯諧振逆變器，並詳細分析了串聯逆變器的工作原理，提出了最佳死區的計算方法。Nanhua university regulation no. 46 states : “ if the documents submitted by new students for admission are found to be forged, fraudulent, altered, etc., or if students are found to have cheated on the entrance exam or are convicted of the same reason, their acceptance to the university or status as a student will be revoked
注：南華大學學則第四十六條規定：學生所繳學經歷證件，如有假借、冒用、偽造或變造等情事，或入學考試舞弊者經學校查證屬實，或判刑確定者，即予開除學籍，除通知其家長或監護人外不發給與修業有關之任何證明文件。Emphasis on picking up node failure message characters and matrix based on topology fabric and abutment matrix via switch node, analyzing the distribution feeder line break - down at single circumstance, discussing the distribution feeder line break - down judgment matrix, judge out the breakdown area of the segment through analyzing the break - down matrix inside chemical elements
論文軟體著重研究了以配電網拓撲結構以及開關為節點的鄰接矩陣為基礎、在實時情況下，提取電網節點故障信息特徵及矩陣，舉例說明了通過分析配電網饋線單一故障情況，利用饋線網路故障時的故障區段判斷矩陣，通過分析故障判斷矩陣中元素的性質，來判斷出故障區段的方法。It is validated that the design of induction machine vvvf control system has its rationality and feasibility. the distinct reduction of switching loss shows the efficiency of the three optimal switching patterns initiated. the research of this paper lays a solid foundation for the research of the high - speed motor control system to be continued
空載和負載實驗表明文中所提出的感應電機調速方案的正確性和實用性，以及三種優化svpwm開關模式在減少開關損耗等方面的有效性，為后續的高速、超高速電機控制打下了理論和實驗基礎。For applying the children education allowance, the applicant shall file the application enclosing the related certificates and receipts to the local government agency that acts as the regulatory authority with one month after beginning of every semester
申請子女教育補助，應檢附相關證明文件及繳費收據，于每學期開學后一個月內向學校所在地目的事業主管機關提出申請。The discussion of cultural construction mode in baibuting community is developed as following : the first part presents author ' s motivation in carrying out the research, defining some concepts and introducing a few common modes of cultural construction in urban communities. the second part is a detailed description of fundamental ideas and content, advocating the notion of " human oriented, moral centered, law abiding, trying to creating a modern community with the capacity of sustainable development ", introducing its unique homestead culture. the third part sets forth the innovation of community culture construction modes in baibuting community : in order to create a, human - oriented community culture, establish a peaceful and content environment for the socialism ideology, the baibuting community made innovation on community management system ; by the analysis of the occupational statistics and object groups, the author found out that most of residents come from the middle class ; then, the author gives the definition of middle class and its general features in a sociological perspective ; finally, the thesis analyses the characteristics of the community residents " pursuit of culture and the harmonious development of community culture in aspects like value system, consumption habits, cultural needs
本文通過理論學習，對百步亭花園社區文化建設的模式進行了探索研究，在現狀調查過程中，筆者發現百步亭的社區文化建設之所以成功，除了開發商和物業管理中心的組織建設外，還有小區居民的積極參與合作，三者密不可分，而這又與居民所屬的階層文化訴求密切相關，於是，本文就百步亭社區文化建設模式作了論述，思路如下：文章的第一部分：提出本文研究的緣起，並對一些與本文有關的概念作了界定，還介紹了幾種城市社區文化建設的一般模式；文章的第二部分：介紹百步亭花園社區文化建設模式的基本思想和內容，提出了「以人為本、以德為魂、以法為行，努力創造可持續發展的現代文明社區」的口號，並介紹了其獨具特色的家園文化；文章的第三部分：對百步亭社區文化建設模式的創新作了論述：百步亭社區為了營造以人為本的社區文化，構建社區安居樂業工程，為社會主義思想道德體系提供良好的社會文化環境，在社區管理體制上作了創新；還通過對百步亭社區居民的職業統計，來源群體，分析出其從屬的社會階層主要是社會的中間階層；再次，從社會學角度，定義了中間階層及一般特徵；最後從價值觀、認同感，消費觀念、文化需求等方面，分析了其文化訴求的特徵和與社區文化的協調發展；文章的第四部分：從整合功能和導向功能兩方面總結了百步亭社區文化建設的社會效應；並對百步亭社區文化建設模式的不足提出了意見和建議。Dissertation explains the theory and characteristices of switched reluctance motor based on its idealy linear math mode. analyseing and researching on control characteristic, control parameters, control strategy and their relationship, thesis designed hardware circuit and software of control system based on the strategy. dissertation discussed the transform function of system and illustrates it is essential to chang parameters in the pid control arithmetic, estimating parameters for the digital pid controller primarily, dissertation also researched on the exciting and protection of igbt
論文以開關磁阻電動機的理想線性數學模型為理論基礎，對其原理特性進行了說明，對開關磁阻電動機的控制特性（轉速、轉矩） 、可控參數（導通角、關斷角、相電流、繞組端電壓）與控制策略（電流斬波、電壓斬波、角度位置控制等）及它們之間的關系進行了研究和分析。The onoff time of the lighting at the car park and corridors in the building was set according to the times of sunrise and sunset as advised by the hong kong observatory
我們根據香港天文臺提供的日出及日落時間，設定了停車場及建築物走廊的照明設備開關時間，使每月的電費節省約3 ， 000元。Capital verification report at start - up or other relevant documentary evidence at its start - up
（三）開辦時的驗資報告或者有關證明文件。The article intend to analysis the precess, character and motivion of development in traditional street space in which contain abundant cultural heritage. through investigation the writer should analysis the characte r, form and the relationship with each other, and furthermore find the pattern of the space in the fulture. what the most important is to summarize the spitits in traditional street space, such as activition, fuction, cultural elements, social customs and quatity of space. in order to put these elements to the exploit of new street space and find how these elements should be used, the writer regards some streets as the examples such as wenming street in kunming, xinhua street in lijiang jianshe rode in luxi. through research the writer find problems which exist in not only traditional but also in new street and express individual viewpoint about how to solve the problems. there are several ways to keep the new street exploition success. in the first place, we shoule know about all kinds of influences and synthesized elements. secondly mastering the mechanism of the development by oneself is indispensable. in the last place, it is necessory not to imitate some certain model which is plausible in other place. in the l ast of the article, the writer uses a new project to further illustrate the way to put the theory what have mentioned above into the practice
並從自然，社會，經濟及社會文化方面分析產生的根源，發展動力，其次通過實際調查，對現有傳統商住的物質形態要素進行分析，從商空間及住空間的基本特徵，型制入手，探索傳統商住街區的空間形態，結構組成，商與住空間關系，空間性質及空間如何相互轉化。以此來尋找傳統商住街區物質形態特徵，同時結合具體實例強調在傳統商住街區改造、新區的規劃設計中應當重視非物質要素內涵的提取、如活動者及社會結構、功能意義、空間品質、文化氣息，保持歷史傳統的延續性的必要性與可行性。在文章的後半部分，有針對性的對遺留下來的傳統商住街區-昆明文明街、麗江新華街、瀘西建設路的物質形態特徵和非物質形態特徵的分析，找出現存的問題，並針對問題發表個人的觀點，指出引導現代商住街區的開發與改造中，保持形態合理發展的正確途徑是了解影響形態發展與演變的各種因素及其綜合作用，把握好形態演交的內在機制，而不應刻意追求某種特定的模式。Abstract : by employing the concept of photon flux, the evolution of the phase and photon flux in the eigenmode state in three - wave mixing, and the requirements for the initial phase and photon flux in this state, are studied in the paper. a special state in which there are only exchanges of the photon flux but no phase variations in the three - wave mixing process is investigated. an all - optical switch based on the eigenmode pushpull nonlinear - optical - mirror is presented, and the properties of this all - optical switch are numerically calculated. the numerical results show that the performance stability is extremely good, and the intensity and phase of the output signal beams can be easily realized and controlled
文摘:利用光子流概念研究了三波混頻中本徵模狀態的相位和光子流的變化，以及該狀態對光波的初始相位和初始光子流的要求，研究了三波混頻中只有光子流的交換卻沒有相位變化的特殊狀態，提出了本徵模狀態推拉式非線性光環鏡的全光開關，並數值計算了這種全光開關的性能，數值結果表明，該光開關的性能穩定性好，並且易於實現和控制輸出信號光的光強及相位In this paper, the working principle of the interleaving two - transistor forward converter is analyzed in detail, and the waveforms of the switch drain - to - source voltage and transformer magnetizing current are researched in different duty cycle conditions. the simulation model is constructed and the simulation results verify the analysis
本文分析了交錯並聯雙管正激變換器的工作原理，研究了在不同占空比條件下開關管的漏源電壓和變壓器勵磁電流波形，建立了模擬模型，模擬結果證明理論分析的正確性。The research work is involved in the main circuits structure and the protection of the valves, the determination for the important parameters of the components in the main circuits, the triggering system of the valves, the technology of hv - tsc valve ' s turn - on without inrush current presentation, and the function design for the controller of the thyristor valves. a real hv - tsc valve controller corresponding to the research work has been developed. field tests has shown that the hv - tsc valve controller is able to provide effectively and reliably control and protection for the hv - tsc valves
本論文對高壓tsc裝置所用的可控硅開關的主電路電氣結構、主電路的保護電路、主電路中的重要元件參數的選擇、可控硅開關的觸發系統構成、無沖擊涌流投入電容器技術、可控硅開關控制器功能設計及其功能實現進行了深入的研究和探討，並對可控硅開關控制器進行了實際的設計和試制，現場測試證明其對可控硅開關的控制是可靠、有效的。With the best modulation strategy which was found on condition that it must have largest energy transfer ratio, smallest current ripple of the inductor, and realizing zvs of each switches, the converter overcomes the drawbacks presented by the conventional zvs fb converter, such as high voltage stress of each switches, large current ripple of the inductor, and severe parasitic ringing on the rectifier diodes, so it can get higher efficiency, faster respond speed, and wider application area. the operation principle of the proposed converter is analyzed and verified by a 3kw, 50khz experimental prototype. experiments and research results show that the scheme of the tl topology derivation is reasonable, adjusted modulation strategy makes some other severe problems in conventional topologies easy to solve or makes the converter more competitive
研究結果表明，本文提出的三電平拓撲變換方案合理，針對各種三電平拓撲尋找到的控制策略可以解決變換器存在的某些問題或使變換器表現出更突出的優勢：例如針對單管直流變換器三電平拓撲的控制策略可以減小電感的設計值，針對推挽直流變換器三電平拓撲的控制策略可以實現開關管的軟開關、解決變壓器偏磁問題等，針對全橋直流變換器三電平拓撲的控制策略可以減小電感的設計值、實現開關管的軟開關等。The researches have proved the current mode superior to the voltage mode in high - frequency applications. in the paper a general integrator is completed to synthesize a bilinear si filter with a cutoff frequency of 17. 2mhz
電流模技術的研究已經證明其高頻應用中具有優于電壓模技術的特性，文中對通用積分器加以完善，推導出雙線性變換的開關電流濾波器，其截止頻率達到17 . 2mhz 。Consequently, an integrate switch mode power supply with high efficiency and good reliability can be realized by the controller with very few external parts. the fundamental principle of monolithic voltage - mode switching regulator is firstly introduced in this thesis, which is followed by a comparison between voltage - mode and current - mode converters where the pros and cons of both converters are discussed in detail ; next, the global system architecture is proposed upon the design requirements and sub - block circuits are also introduced that focuses on several essential sub - blocks such as amp, wave, pwm control, psc, osc and vref. finally, all sub - circuits and the whole chip circuit are simulated by hspice whose results indicate that the circuit function and performance have perfectly satisfied the design requirements
在論文中，首先闡述了電壓控制模式pwm開關電源的基本原理，對比了電流控制模式和電壓控制模式，分析了各自的優缺點;隨后根據設計要求進行了電路的總體設計，完成了各個子電路的原理分析，電路設計和模擬驗證，重點闡述了誤差放大電路、三角波發生電路、 pwm控制電路、節能控制電路、振蕩電路和基準源電路的分析、設計和驗證過程;最後，利用eda軟體hspice對整體電路進行了功能模擬驗證，模擬結果表明，本文完成了設計工作，達到設計要求。Based on the theory mode, the delay time between the beginning of optical illumination and the onset of lock - on switching was calculated, and the transiting speed of electrons, the traversing velocity of the current filament, was obtained as well. the calculated results matched well the experimental results. taking advantage of the ultra - fast response characteristics of the devices, si - gaas pcss ' s are successfully applied to the broadening test of nanosecond laser pulses
應用單極電荷疇模型數值計算了lock - on效應的光、電時間延遲和載流子的渡西安理工大學碩士學位論文越速度（絲狀電流穿越開關間隙的速度） ，所得計算結果與實驗測試結果基本吻a利川半絕緣gaas光屯導開關的超快光l匕11向應燈性，成功地應川下納秒激光脈沖展寬試驗中，證明了開關可廠泛應川在超快光電響應和光電反饋網路中。In this paper, the images from the apollo 15 program are used as reference data. the methods proposed in this paper are all implemented through prototype method. the experiment result shows that the methods based on parameterized contour feature matching can reconstruct the 3d lunar surface effectively
本文以apollo15登月計劃中所拍攝的月面圖像作為參考數據，以原型法作為開發方法，實現了本文相關演算法，試驗結果表明了本文提出的基於參數化輪廓結構特徵匹配的月面三維重建方法的有效性。Abstract : based on fuzzy control theory, the fuzzy controller for overcoming nonlinear feature of switched reluctance motor drive system in mining locomotive haulage is proposed in the paper. the theory analysis and simulation demonstrate the strong robust of the system
文摘:從模糊控制理論出發，針對煤礦電機車開關磁阻電動機調速系統的非線性，設計了模糊控制器，理論分析和模擬結果表明，模糊控制能使系統具備良好的魯棒性。In the paper four usual transformations from s - domain to z - domain are introduced to show the superiority of the bilinear transformation in high - frequency applications. then a novel sc architecture is produced to finish a filter with a cutoff frequency of 17. 8mhz. the accurate bilinear result is reached by dual - rate sampling
文中介紹了四種常用的s域到z域的變換，說明雙線性變換在高頻應用的優點；然後，運用一種新穎的開關電容結構組成濾波器，通過雙采樣的原理導出準確的雙線性變換，其截止頻率達到17 . 8mhz 。分享友人