正弦波源 的英文怎麼說

中文拼音 [zhēngxiányuán]
正弦波源 英文
sine wave sources
  • : 正名詞(正月) the first month of the lunar year; the first moon
  • : Ⅰ名詞1 (波浪) wave 2 [物理學] (振動傳播的過程) wave 3 (意外變化) an unexpected turn of even...
  • : 名詞1. (水流起頭的地方) source (of a river); fountainhead 2. (來源) source; cause 3. (姓氏) a surname
  1. Voltage segment network constituted by electron switch of bta and controlled by single chip microcomputer constitutes a new fast electronic regulator. for bta cross zero touch off, sine wave which is exported is integrity. a new way to generate stable ac current is found with feed back control system by single chip microcomputer. so a new high power ac current regulator is developed

    採用單片機控制雙向可控硅作為電子開關所組成的電壓分節網路,組成新穎快速的電子調壓器;由於雙向可控硅過零觸發,所以其輸出是不失真的完整;再用單片機組成反饋控制系統,從而找到了交流穩流的新方法,研製出一個大功率交流穩流電
  2. Abstract : voltage segment network constituted by electron switch of bta and controlled by single chip microcomputer constitutes a new fast electronic regulator. for bta cross zero touch off, sine wave which is exported is integrity. a new way to generate stable ac current is found with feed back control system by single chip microcomputer. so a new high power ac current regulator is developed

    文摘:採用單片機控制雙向可控硅作為電子開關所組成的電壓分節網路,組成新穎快速的電子調壓器;由於雙向可控硅過零觸發,所以其輸出是不失真的完整;再用單片機組成反饋控制系統,從而找到了交流穩流的新方法,研製出一個大功率交流穩流電
  3. A type of relaxation oscillator used for the generation of nonsinusoidal waves in which the output of each active device is coupled back to the input of the other to sustain oscillations

    一種產生非的張馳振蕩器,其中,每個有器件的輸出端要反饋到另一器件的輸入端以維持振蕩。
  4. The main circuit is consisted of 18 thyristors circuit and protection circuit. with the help of control subsystem, it can get the output of low frequency voltage ( current ) with the shape of sine wave ; the core of the control subsystem is the cpu of 87c196kc, and the synchronization circuit, the pulse - widen circuit, and the power - enlarged circuit form the accessorial subsystem of the control system. it possesses all the functions of digital triggering, digital tuning, analog / digital conversion ; the input transfer can isolate the input and output ; and the circumfluence reactor can reduce the circumfluence

    主迴路採用由18個晶閘管組成的三相零式電路,並輔以晶閘管的保護電路,通過控制可以得到低頻的電壓(電流)輸出;控制迴路主要以87c196kccpu為核心,其外圍電路包括同步電路,脈沖拓寬電路,功率放大驅動電路等,完成了數字觸發、數字調節、模數轉換等功能;進線電變壓器具有變壓和隔離作用;環流電抗器則實現了有效抑制主迴路瞬時脈動環流的功能。
  5. The system uses the permanent magnet synchronous machine as the driver motor based on the idea of polygonal flux linkage locus and the permanent magnet brush - less motor is as the momentum balance motor by means of speed and current loop in order to track driver motor precisely and rapidly. the harmonious control of driver motor and balance motor is realized by making full use of the dsp hardware resource and complicated programmable logic device. the software design is composed of c and assembly language to realize motor control arithmetic of polygonal flux linkage locus

    衛星天線伺服控制系統以永磁同步電機作為驅動電機,採用多邊形磁鏈軌跡法(電壓空間矢量法)的控制策略;動量平衡電機採用永磁無刷直流電機,通過電流環、速度環達到快速、精確跟蹤驅動電機的目的,確保了衛星姿態恆定;設計方案中充分利用了dsp硬體資和復雜邏輯陣列實現了驅動電機和平衡電機的協調控制,並通過c語言和匯編語言的混合編程實現了電機的多邊形磁鏈軌跡控制演算法。
  6. The single - chip function generator icl8038 can get synchronous sine wave of constant amplitude in pll as voltage control oscillation ( vco ), which is a basic signal source of static frequency converter

    單片函數發生器icl8038在pll中作為壓控振蕩器( vco )產生同步等幅,可作為靜止變頻器的基準信號
  7. The hardware circuit design include : industrial control computer configuration, selection of industrial control board type, design of the power supply and monitoring interface circuit, design of signal processing interface circuit ( the constant current source circuit, the time base signal processing circuit, the processing circuit for the signal to be measured ), design of panel control circuit, design of the system self - checking circuit, and etc. the program flow hart include : main program flow chart, system boot - strap self - checking program flow chart, manual static testing program flow chart, semiautomatic static testing program flow chart, automatic static testing program flow chart, dynamic testing program flow chart, transient testing program flow chart, source voltage and current monitor program flow chart, investigate function testing program flow chart, and etc. the measure system offers six working power supplies, the signal of time base, the signal of constant current source, sine wave signal and step to leap signal, and measures the frequency of the output pulse signal of the wide range pulse convert circuit accurately under three kinds of different test state ( static form, dynamic form and transient form )

    硬體電路設計包括:工控機配置、工控板卡選型、產品電及監控介面電路設計、信號處理介面電路(恆流電路、時基信號處理電路、被測信號處理電路)設計、面板控制電路設計、系統自檢電路設計等。程序流程圖包括:主程序流程圖、系統開機自檢程序流程圖、手動靜態測試程序流程圖、半自動靜態測試程序流程圖、自動靜態測試程序流程圖、動態測試程序流程圖、暫態測試程序流程圖、電電壓和電流監控程序流程圖、研究功能測試程序流程圖等。測試系統提供六路工作電、時基信號、恆流信號、信號和階躍信號,並對三種不同測試狀態(靜態、動態、暫態)下大量程脈沖變換電路輸出脈沖信號的頻率進行精確測量。
  8. Since the analysis of the inverter and its control system is very complex, the frequency analysis, time domain analysis and control system is made in capacitance operated conditions limited to pressure of time and paper length. the research content can be summed up as follows : ( 1 ) a new equivalent circuit of dbd circuit ( dielectric barrier discharge ) that consider the consume of transformer, the on - off switching loses and so on is presented based on the ozonier powered by sine current source. as compared with the former equivalent, the new equivalent circuit can be depicted the actual ozone circuit accurately

    本文主要針對容性狀態下的臭氧發生器電進行相關研究,研究內容包括以下幾部分: ( 1 )在電流供電的dbd型發生器的基等效電路基礎上,提出了一種考慮電路雜散損耗(變壓器勵磁損耗、開關管開關和導通損耗以及其他元件的熱損耗)的改進型基等效電路,並採用該等效電路得出了適用的臭氧發生器電設計方法,實驗驗證了該基等效電路具有工程設計精度高的優點。
  9. Applying the criterion of the work state of operational amplifier, the stable operating condition of voltage - controlled voltage source filter 2 is proved in detail and the condition that the filter can be used as the sinusoidal oscillator is given

    摘要利用運放工作狀態的判據,系統地證明? 4種二階壓控電壓型濾濾器穩定工作的條件,同時給出了用作振蕩器的條件。
  10. On the basis of physical concept, applying mathematical method, the condition that the problem can be transformed from the voltage - controlled voltage source lpf of two orders to the sinusoidal oscillator is proved and the calculation formula of oscillatory frequency is presented

    摘要以物理概念為基礎,利用數學手段證明?二階壓控電壓lpf轉化為振蕩器的條件,同時給出了振蕩頻率的計算式。
  11. Step power is the key for step magnetic potential, the pulse width modulate technology that selects the triangle wave as the carrier and ladder sine wave as the modulate wave is researched, furthermore the design of the actuator drive adopts dsp as the digital controller is introduced

    步進電是產生步進磁勢的關鍵,文章研究了三角為載,階梯為調制的脈寬調制技術,進而介紹了採用dsp組成全數字控制器,完成步進電觸發的執行器驅動器的設計。
  12. The second part is a detector which is used to detect the distribution of voltage on the patient ' s brain surface from all different directions. the third is a mixed signal processor ( c8051f020 ) which is used to control the other parts of the system and display some necessary information and convert the voltage signals into digital signals, as well as transmit the acquired data to the computer. the fourth is computer with eit software which is used to analyze and process the received data and construct a picture for the brain edema and haematoma on screen

    32通道電阻抗斷層成像系統由4個部分組成:第一部分是恆流,用來產生注入大腦的激勵電流;第二部分是電位信號的提取與轉換,用來提取當激勵電流注入時,在大腦表面形成的電位分佈信號;第三部分是數據採集與控制系統,用來控制激勵電流的頻率,注入方向,注入強度,控制採集大腦表面的電位分佈信號,並且將這些採集的電位分佈數據傳到pc機;第四部分是計算機eit成像軟體,用來接收下位機的電位分佈數據,並且對這些數據進行分析計算,重建電阻抗圖像。
  13. At last the components of the system are modeled and simulated with matlab software. the simulation results indicate that the combined system can reduce the capacity of apf effectively, detecting the harmonic current effectively, compensating harmonic current effectively

    結果表明,對單位容量的諧,採用與可變參數lc濾器混合使用的並聯型有電力濾器系統,能夠有效地減少有器的容量,有效地檢測出高次諧分量,並進行諧補償,使系統的電流形基本保持
  14. Jinque co. has developed neo - generation reliable frame - structure ups, which is high frequency and on - line intelligent and whose height is 19 inchs. the product adopts cpu process, so it has excellent ability to calculating and accurately test every control point to guarantee reliability of quality. at the same time, due to the design of double - change power, the voltage and frequency are stable ; the product deletes all kinds of interrupted frequency and becomes power of sine wave to provide vital equipment with better power environment

    金雀公司根據網路系統的電要求,開發出新一代高可靠的19英寸機架式高頻在線智能型gr系列ups ,採用cpu處理器,極強的運算能力,精確迅速地檢測ups各控制點,由於採用雙變換電設計,供負載使用的電電壓頻率穩定,濾除雜讀的純凈,為重要的設備提供更佳的電環境。
  15. This paper put forward the realization method of a kind of multi - function general use inverter system which added other functions based on the independent sine wave inverter, it not only can be used as independent inverter power supply but can be used as an in - support mode ups which realize synchronous with the phase of power grid voltage and realize to switch with power grid mutually, it also can realize three phase ac output by the combination of three synchronous inverters, experiment proved it in this way has a stronger ability of resisting three phase unbalance load

    本文提出了一種基於獨立逆變器的功能之上復合其他功能而成的多功能通用逆變電系統的實現方法,此系統不僅可以作為獨立逆變電使用,還可以與電網電壓的相位同步,作為后備式ups使用,在逆變電和電網的相互切換時能做到對負載無影響,同時還可以由三臺逆變器進行組合自同步實現三相對稱交流輸出,實驗證明這種方式具有較強的抗三相不平衡負載的能力。
  16. On base of listing the technical index of switch power supply, basal principle and circuit, the chapter expounds the scheme and comes into being. chapter four is a main chapter, that expands the design and realization of control cell, lists the circuits and programs

    第三章重點介紹了超聲治療的高頻產生電路的設計與實現,在詳細列出了開關電的技術指標、基本原理、基本電路形式等基礎上給出了該系統採取的設計方案。
  17. By the development of high frequency switch, low frequency transformer has been withdrawn from many domains. but in the domain of ups, linear power amplifier and the inverter output low frequency ac, for the purpose of isolation and change voltage, there is no choice but to use low frequency transformer

    高頻開關技術的發展,使工頻變壓器從許多領域中退了出來,但是在需要隔離的ups不間斷電、數碼線性功率放大器、要求輸出低頻的dc ac變換器等許多領域中,為了隔離或變換電壓的需要,以至不得不保留了低頻變壓器。
  18. Due to the symmetry of sine waveform, the logic resource of cpld is saved greatly by a particular searching way of the sine table

    利用的對稱性,採用一種特殊的查表方法,大大節省了cpld的資
  19. The accurately controlled signal source generates sinusoidal elastic wave accurately controlled in frequency and stable in phase to " illustrate " underground media. time signal stacker receive signal by stacking and doing fft to measure the transfer function of media. " sompi " cepstrum method retrieve group velocity travel times and decayed factors of wave element from observational data of transfer function in a limited frequency window

    精密可控震用於產生頻率精確相位穩定的彈性以照射地層內部,信號疊加器通過對接收信號進行疊加和進行傅立葉變換的方式實現對介質傳遞函數的精密測量, 「存否」倒譜方法能夠根據一段窄帶頻域傳遞函數數據獲得時域上各個成分的群速度傳播時間和介質衰減因子。
  20. Then novel circuit structure and circuit topologies family of current source ac / ac converters with high frequency ac link, based on flyback converter, are proposed. the circuit structure which can transfer one unregulated sinusoidal voltage with high thd into another regulated constant frequency sinusoidal voltage with low thd, is constituted of input cycloconverter, high frequency storage transformer, output cycloconverter, input and output filter. the circuit topologies family include single four - quadrant power switch mode, push - pull mode, half - bridge mode, and full - bridge mode circuits

    本文提出了基於反激flyback變換器的電流高頻交流環節ac ac變換器電路結構及其拓撲族,該電路結構由輸入周變換器、高頻儲能式變壓器、輸出周變換器以及輸入、輸出濾器構成,能夠將一種不穩定劣質的交流電變換成另一種同頻率穩定的優質交流電壓;該電路拓撲族包括單四象限功率開關式、推挽式、半橋式、全橋式等四種電路。
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