switching theory 中文意思是什麼

switching theory 解釋
交換理論
  • switching : 變換
  • theory : n. 1. 理論,學理,原理。2. 學說,論說 (opp. hypothesis)。3. 推測,揣度。4. 〈口語〉見解,意見。
  1. We design several combined photonic crystals models based on the destructive interference theory, which can transfer completely the energy of a signal from one channel to another, or can realize light switching

    本論文首次利用干涉相消的原理,設計了滿足一定條件的復合型光子晶體能量轉移模型和光子晶體光開關。
  2. Using the semiclassical theory, we calculate the correction of the detuning to the absorption and dispersion, and we investigate the impact of the one - photon detuning under the exact two - photon resonance to large kerr nonlinearity and photon switching based eit

    我們利用半經典理論計算失諧量對吸收和色散的修正,分析雙光子共振條件下的單光子失諧量對基於eit的強kerr效應和光子開關行為的作用。
  3. Analysis of switching power unitive switch transient theory

    開關電源統一開關過程理論分析
  4. In this thesis, one cycle controlled switching power amplifier is analyzed detailed in theory and researched in simulation and experiment. main work and conclusion are described below. first, the basic structure and operational principle of one cycle controlled half - bridge and bridge circuit are analyzed, and control equation are deduced

    主要工作和結論如下:首先,對單周控制的半橋和全橋開關功率放大器的基本結構和工作原理進行了分析,推導了具體的控制方程,建立了單周控制的全橋開關功率放大器的小信號模型。
  5. Second, the results of theory analysis and simulation research show that the output of one cycle controlled bridge switching power amplifier have dc offset because of the nonideal characteristic of reset signal. the magnitude of output dc offset voltage is proportional to width of reset pulse. a voltage compensation technique is used to solve this question, and the computation formula of compensation voltage is gived. the circuit compensated and not are researched through simulation and experiment, which results show that compensated circuit solve the output dc offset effectively

    其次,理論分析和模擬研究結果表明,由於復位脈沖的非理想特性,單周控制的全橋開關功率放大器輸出端存在直流偏置問題,其大小與復位脈沖的寬度成正比。針對輸出直流偏置問題,提出了電壓補償的改進方案,給出了補償電壓的具體計算公式。對補償前和補償后的方案進行了對比模擬研究和實驗研究。
  6. We study one of the key point in interconnection network, theory of deadlock - free. we focus on the wormhole switching deadlock - free theory in interconnection network, and a new design method based on hybrid switching is proposed, which provides a fine way to realize deadlock - free routing algorithm

    重點對採用蟲孔路由的直接網路無死鎖問題進行了研究,在深入分析大量已有演算法和無死鎖理論的基礎上,設計混合切換技術下的無死鎖路由演算法,給出了無死鎖路由設計的一個可行途徑。
  7. In the thesis, a high efficiency linear am amplifier is developed, which is based on the basic theory of eer linearization amplifier technique [ 1 ]. the high efficiency digital audio amplifier technology [ 2 ] is adopted to develop the power supply modulator and the class - d switching amplifier technology [ 3 ] is adopted to develop the high efficiency rf amplifier

    本論文利用eer ( envelopeeliminationandrestoration )線性功放技術的基本原理[ 1 ] ,採用數字音頻功放技術[ 2 ]實現高效率電源調制器,採用class - d開關放大技術[ 3 ]實現高效率載頻放大器,開發了一個集am調制和放大於一體的高效率線性功率放大器。
  8. On the basis of analyzing in theory, the operation mechanism structure is optimized, which makes the better fit between output character and arc quenching chamber ' s counterforce during switching and closing, very appropriate structure design and very little distortion amount, so the character is kept better and the reliability is improved

    在理論分析的基礎上優化了操動機構的結構,使得機構在開斷和關合過程中出力特性與滅弧室的反力特性配合良好;結構設計上非常合理,保證部件變形量最小,這樣既保證了性能又提高了可靠性。
  9. Based on the theory creation of space voltage vector ' s polygonal flux linkage locus, freewill partition of the ideal flux circle is realized by the software method. furthermore, different polygonal flux linkage locus ' s fluent switching point is also found, which overcomes the motor " switching failure and improves the speed adjusting dynamic performance

    在充分研究磁通軌跡法原理的基礎上,採用軟體方法實現了任意多邊形磁鏈軌跡的生成;並找出了不同磁鏈軌跡間的平滑切換點,解決了切換時的電動機失步問題,提高了系統轉速調節的動態性能。
  10. This paper introduces the switching device, which will be used in an artificial system. it introduces the basic theory of communicating switching and the process of design and, on the base of expirement, we get each testing datum when digital signals pass the switching matrix, which prove digital signals can pass the switching matrix with little distortion

    闡述了矩陣交換的基本原理和矩陣交換設備的設計過程,並在實驗的基礎上給出了數字信號通過矩陣開關時的各項實驗數據指標,從而證明了信號通過矩陣體時,失真小、干擾小,能夠較好的滿足實用要求。
  11. The chip can be widely used in mp3 player, pda, digital camera, cells phone and portable products etc. this thesis first introduces the basic theory of switching power supply. the operating theory of this circuit has been demonstrated. the operating principle and simulation analysis about band gap reference, self - biased current source, one shot circuit, hysteresis comparator, and current - limit circuit have been particularly expounded in this thesis

    本文首先闡述了開關電源的工作原理,詳細介紹了本電路的整體工作原理,最後重點介紹了自偏置電流源電路、基準源電路、單穩態觸發器電路、峰值電流限制及低電池電壓遲滯比較器的工作原理,並利用eda工具larker ? ams 、 hspice對電路進行了完整的設計和模擬模擬,給出了合理的電路數據,各子模塊電路的電特性參數均達到或優于設計所需指標。
  12. ( 2 ) each state of the total switching period has been studied in detail, in which the voltage of block capacitor and current of leakage inductance of main transformer and keeping time of each state have been discussed, then the condition of zero voltage switching is attained, which gives theory guidance for setting reasonable dead time, finally, the possibility of zero voltage switching is proved by simulation of saber software

    ( 2 )對不對稱半橋在一個完整的開關周期內各個狀態分析,描述了隔直電容電壓和變壓器漏感電流的變化規律,各個狀態的持,然後得出實現zvs的條件,從而為設置合理的死區時間提供了理論指導,最後用saber軟體進行了模擬,驗證了零電壓開關實現的可能性。
  13. Based on optimal control theory and singularly perturbed theory, a singularly perturbed midcourse guidance law that guarantees air - to - ground missiles to ascent quickly is proposed. this new guidance law is a composite control law consisting of three parts : optimal climbing control using variable weighting factor method, minimum energy cruising phase control and minimum energy switching phase control. moreover, a new control logic is designed in order to remove influence of climbing control on switching phase. simulation results of a certain type of air - to - ground missile are presents. it is shown that, with simple control algorithm and feasible onboard implementation, this law not only guarantees air - to - ground missiles to ascent quickly, but also satisfies the requirements of midcourse phases. the studies have important theoretical meaning and great value of engineering application

    為滿足實際作戰的要求,基於最優控制理論和奇異攝動方法,提出了一種可保證中遠程空地導彈快速爬升到最優高度的中制導律.它由變系數最優爬升控制,最小能量巡航控制和最小能量下滑控制組成.為了減小爬升段控制對下滑段的影響,提出了一種新的控制邏輯.最後針對某型空地導彈進行了模擬.結果表明,該中制導律較好地滿足了中遠程空地導彈在中制導段的要求.本文的研究結果具有較好地工程參考價值
  14. Abstract : based on optimal control theory and singularly perturbed theory, a singularly perturbed midcourse guidance law that guarantees air - to - ground missiles to ascent quickly is proposed. this new guidance law is a composite control law consisting of three parts : optimal climbing control using variable weighting factor method, minimum energy cruising phase control and minimum energy switching phase control. moreover, a new control logic is designed in order to remove influence of climbing control on switching phase. simulation results of a certain type of air - to - ground missile are presents. it is shown that, with simple control algorithm and feasible onboard implementation, this law not only guarantees air - to - ground missiles to ascent quickly, but also satisfies the requirements of midcourse phases. the studies have important theoretical meaning and great value of engineering application

    文摘:為滿足實際作戰的要求,基於最優控制理論和奇異攝動方法,提出了一種可保證中遠程空地導彈快速爬升到最優高度的中制導律.它由變系數最優爬升控制,最小能量巡航控制和最小能量下滑控制組成.為了減小爬升段控制對下滑段的影響,提出了一種新的控制邏輯.最後針對某型空地導彈進行了模擬.結果表明,該中制導律較好地滿足了中遠程空地導彈在中制導段的要求.本文的研究結果具有較好地工程參考價值
  15. Based on the transferred - electron theory of the iii - v compound semiconductor and the research on the lock - on effect of the si - gaas pcss ' s, this paper proposes the monopole charge domain model similar to the guun or high - field domain to explain the peculiar switching phenomena occurring in the lock - on mode theoretically

    本文基於gaas等?族化合物半導體的轉移電子理論,結合半絕緣gaas光電導開關中特有的lock - on效應的研究,提出了類似於耿疇(高場疇或偶極疇)的單極電荷疇理論模型,對光電導開關lock - on效應的各種現象給出了理論解釋。
  16. This paper bases on the literature review, constructs a customer repurchase intention model on oliver ’ s loyalty phase theory. the model includes 11 factors : brand preference, cumulative satisfaction, variety seeking, attractiveness of alternatives, switching cost, ( the five dimensions ), customer repurchase intention, episodic satisfaction, customer perceived value, customer perceived fairness, customer perceived benefits, customer perceived cost

    本文在文獻回顧的基礎上,吸收了現有學者的研究成果,在oliver ( 1997 , 1999 )提出的顧客四個忠誠階段的理論基礎上,建構了影響顧客重購意向的模型,共包括:顧客重復購買意向、顧客品牌偏好、顧客的交易滿意度、顧客的累積滿意度、顧客的多樣化追求、替代品吸引力、轉換成本、顧客感知價值、顧客感知公平感、顧客成本付出、顧客的感知利益等11個因素。
  17. Therefore, the main contents and the creative results of this paper are described as follows : ( 1 ) the on - line safety forecast theory for switching overvoltage of large power stations based on the field - circuit analysis is presented by analyzing the electromagnetic transient for electric network of large power stations

    針對該研究課題,本文的主要內容及創新性成果如下: ( 1 )通過對大型電站電氣網路電磁暫態過程的分析研究,提出了一種基於場路綜合分析的廠站操作過電壓在線安全預測理論。
  18. 2002, 149 : 119 - 128. 9 sasao t. switching theory for logic synthesis. kluwer academic publishers, london, 1999

    通過對給定的fprm真值矢量進行收縮,獲得收縮后的真值矢量,然後把該矢量映射成邏輯表示式。
  19. Ever since its initial appearance, network coding has quickly developed into a research field that has fundamental influence on information theory, coding theory, networking, switching theory, wireless communications, computer science, cryptography, operations research, and matrix theory. it is now one of the hottest topics being worked on by researchers from leading universities and industrial laboratories worldwide, and international conferences on network coding have been held on a regular basis

    網路編碼理論( networkcodingtheory )始源於香港中文大學,是網路通信研究領域中一項重要突破,自從首次提出以來,網路編碼已迅速發展成一個重要的研究范疇,並對信息論、編碼、通信網路、網路交換理論,無線通信、計算機科學、密碼學、運籌學、矩陣理論等領域帶來影響深遠。網路編碼是現今世界各地一流大學及工業實驗室最熱門研究領域之一,亦是許多國際研討會的熱門議題。
  20. Network coding has brought about a paradigm shift in network applications. ever since its appearance, network coding has quickly developed into a research field that has fundamental influence on information theory, coding theory, networking, switching theory, wireless communications, computer science, cryptography, operations research, and matrix theory

    網路編碼帶給網路應用一場範式革命,自提出以來,網路編碼已迅速發展成一個重要的研究范疇,並對信息論、編碼、通信網路、網路交換理論,無線通信、計算機科學、密碼學、運籌學、矩陣理論等領域帶來影響深遠。
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