數字式功率計 的英文怎麼說

中文拼音 [shǔzìshìgōnglǜjì]
數字式功率計 英文
digital power meter
  • 數 : 數副詞（屢次） frequently; repeatedly
  • 字 : Ⅰ名詞1 （文字） character; word 2 （字音） pronunciation 3 （字體） form of a written or printed ...
  • 式 : 名詞1 （樣式） type; style 2 （格式） pattern; form 3 （儀式; 典禮） ceremony; ritual 4 （自然科...
  • 功 : 名詞1 （功勞） exploit; merit; meritorious service [deed]: 戰功 military exploits; 立功 render me...
  • 率 : 率名詞（比值） rate; ratio; proportion
  • 計 : Ⅰ動詞1 （計算） count; compute; calculate; number 2 （設想; 打算） plan; plot Ⅱ名詞1 （測量或計算...
  • 數字 : 1. （表示數目的文字; 表示數目的符號） figure; digit; numeral; character; numeric character 2. （數量） quantity; amount
  1. According to the system technology require, adopting singlechip realize open loop digital control of hdclsm ; using v / f conversion and complex key - control method realize digital setting of system parameter, such as velocity ; using micro - stepping control insure the motor running more smoothly ; adopting debasing speed control method to eliminate the mechanical impact of distance termination effectively ; at the same time, analyzing main power circuits drive circuit and protect circuit of system, completing hardware design and facture and software programming and debugging ; at last, making a whole test in hybrid rotary step motor. the experiment result indicates that this control system reaches the qualities required and run smoothly also

    根據系統技術要求，採用單片機實現了混合式直流直線步進電動機的開環數字控制；利用v f變換和復合鍵控方法實現了系統轉速等參數的數字設定；利用細分控制技術保證了電機運行的平穩性，並進行了波形分析和理論研究；採用單片機軟體降速控制策略解決直線步進電機行程末端的機械沖擊問題；同時對主功率電路、驅動電路和系統保護電路進行了分析，完成了硬體設計、製作和軟體編程、調試，最後在混合式旋轉步進電動機上進行了全面測試。
  2. With the established rf front - end system simulation platform, adding the digital modulated baseband signal, this paper simulated the multifold digital modulated signal ’ s transmission, such as 2ask, qpsk, and 16qam. then researches of power compression and phase noise of local oscillation influence the bit error ratio for different modulated system. the designing is satisfied multifold functions request with the high - powered and integrated broadband rf front - end

    隨后在建立的寬帶射頻前端通用模擬平臺上，加入基帶數字調制信號，對多種數字調制格式的信號在該通用平臺上的傳輸作了研究，模擬了2ask 、 qpsk和16qam等調制格式信號的發射與接收，研究了功率壓縮和本振相位噪聲對不同調制的誤碼率影響，實現了滿足多種功能要求的寬帶高性能綜合射頻前端的設計。
  3. Through analysising the characteristics of the power system with floating neutral point deeply, the paper puts forward a new plan of single - phase to ground fault line selection on the base of s ' s signal injecton method and gives the hardware and software design. in this design, the high speed sampling and data processing is carried out through using dsp processor ; the large electrice current is drived through the application of a high - performance audio power amplifier and transformer ; the communication between host computer and detectors is realized through rs485 bus technology ; the difference multilevel frequency - selected amplifier is designed and the feeble signal of space is sampled on the base of the theory of magnetic induction ; the interface between dsp and exterior chip and rs485 interface logical is designed through using fpga ; the using of lcd module and keyboard interfacing chip makes the interface between human and machine ; the programme of host computer and detectors is designed through using blocking design method

    在本設計中，採用高速的dsp處理器，實現了對故障特徵信息的高速採集與處理;採用大功率的功放晶元與變壓器配合的方法，實現了大電流信號的驅動輸出;採用485總線技術，組建了裝置主機與多探測器之間的主從式通訊網路，實現了多干擾條件下裝置主機與多探測器的可靠通訊;設計了差分式多級選頻放大電路，採用磁感應的方法實現了對空間微弱信號的接收;利用fpga技術，實現了控制器與多外設的介面及數字信號的串並轉換;採用了先進的lcd液晶顯示模塊及鍵盤介面晶元，設計了人機信息交互的介面;採用了模塊化的軟體設計方法，開發了裝置主機及探測器的軟體程序。
  4. So the task of my work is to design a digital single - phrase electric power measure instrument with subsection fee rate

    本課題設計的數字式多功能復費率電度表，主要用於家庭或工廠的電能消耗測量。
  5. With promulgation and obliging actualization of iec 1000 - 3 - 2 etc. international standards, power factor correction ( pfc ) technique become a hotspot of research in power electronics field. based on average current mode, the paper introduce the design and implementation of a fully digital controlled single - phase boost power factor corrector with fast response. the control - loop circuit is realized using digital control and the corrector can tend to unity power factor, lower current harmonics and high transfer efficiency

    本文在平均電流模式控制的有源功率因數校正技術的基礎上，設計了一種控制電路基於數字信號處理器（ dsp ） 、主電路採用boost變換器拓撲結構的全數字單相功率因數校正器，用數字電路代替傳統的模擬電路來實現對整個迴路的控制，最終使得校正器具有輸入功率因數接近於1 、低電流諧波以及高轉換效率的特性。
  6. The results from the calculation and simulation indicate that this thyristor trigger has had a wide triggering angle, high controlling precision and better symmetry output pulses, whereby obviously improving the dynamic performances of the digital - type trigger and overcoming some defects in traditional triggering electric circuit in such a way as to satisfy the requirements by the diqital controlling equipment with high power and reliability

    計算和模擬結果表明，該觸發器的觸發角范圍大、控制精度高、輸出脈沖對稱度好，明顯地提高了數字式觸發器的動態性能，並克服了傳統觸發電路的一些缺陷，可滿足大功率和高可靠性數字控制設備的要求。
  7. The system is based on chopper constant current drive technique, according to the top level design idea, adopting advanced specical subdivision control integrate circuit and powerful function 80c196kc to organize the system frame, desiging the minimum system of single - chip microcomputer, multifunction i / o interface circuit, relay switch circuit, keyboard and display circuit, multifunction digital setting interface circuit and so on, utilizing the hso and hsi interface circuit which are owned by this single - chip microcomputer exclusively and its powerful command system to realize dual - degree switch control, automation orientation, automatically searching zero position, locking machine when stopping, frequency to set digitally, automatically adjusting speed through changing frequency, swithing subdivision or squarewave control, on the basis of above, the system also have the function of running according to the setting steps and the frequency, voltage and current to display through the led, etc

    系統基於斬波恆流驅動技術，按照頂層設計思想，採用先進的專用細分控制電路和功能強大的80c196kc單片機來組建系統構架，設計了單片機最小系統、多功能i o介面電路、繼電器切換電路、鍵盤顯示電路和多功能數字設定介面電路等，利用該單片機獨有的hso和hsi介面及其強大的指令系統，實現了雙余度混合式步進電動機的余度切換控制、自動定位、零位自動搜索、停機鎖定、數字化頻率設定、自動調頻變速控制、細分方波切換控制，在此基礎上，該系統還設有按預置步運行、 led頻率電壓相電流顯示等功能。
  8. The software and hardware design of portable digital testing equipment based on tms320vc5510 are presented, which is the newly efficient and low power consuming dsp of ti corporation. the system realizes the requirement of sample theorem when sampling the wide spectrum signal with an equivalent sample technology, integrates the lcd control core in cpld and makes cpld as lcd controller instead of specific lcd controller, and makes the colorful stn - lcd as terminal displaying facility. the system suits the development requirement of the new portable digital testing equipment with the specialities of low power consuming, high integration and good displaying interface

    本文介紹了以ti公司新一代高效率、低功耗數字信號處理器tms320vc5510為核心實現的便攜式測試設備的軟硬體設計，以等效采樣技術實現采樣寬頻譜周期信號對采樣定理的要求，在cpld內集成完整的lcd控制核代碼，並以cpld作為lcd控制器取代專用控制器，以stn彩色lcd作為終端顯示設備，該方案具有功耗低、集成度高、良好的人機介面等特點，適合新一代便攜式測試設備的發展需求。
  9. The model error and instrument error of digital sampling measurement algorithms were investigated comprehensively

    全面地研究了數字采樣計算式功率測量方法的誤差模型和儀器誤差。
  10. The device can measure reactive parameters in distribution power net which are generally considered to he difficultly measured the paper also introduces the calculating method of the reactive compensation capacity and its optimal location, the design method and realization principle of the series devices, such as the reactive power acquisition device, the reactive power optimized controller and the compensation capacitor operator, is seated in detail through economic and technical comparison, a realistic hardware scheme of reactive power compensation system is proposed

    文章利用電磁感應原理和數字通訊技術結合試驗設計出電源自給式高壓線路無線信號採集裝置，解決了配電網分支線路無功參數不易測量的問題。文章還介紹了系統無功補償容量及安裝位置的計算方法，較為具體的講述了無功功率採集器、無功優化控制器以及補償電容操作器等一系列裝置的設計方法和製作原理。通過經濟技術比較提出了一整套切實可行的無功補償系統硬體製作方案。
  11. In order to cope with errors aroused by a long sudden idle period, an adaptive coefficient to avoid overestimate the online idle period has been provided. on the other hand, timeout policy is taken to reclaim shutdown in the underestimate situation. experimental results show that this algorithm outperforms other advanced dynamic power management policies because of less wrong shutdown times and wrong waiting times

    將該方法應用於ibm硬盤的數字電路低功耗設計方浩研究功耗管理，實驗表明它能適應各種模式的應用環境，在功耗管理時能減小錯誤關閉次數和錯誤等待次數，大大減小了由於錯誤關閉和等待浪費的功耗，因而具有較高的功耗管理效率。
  12. This paper presents reversible digital field regulator with dsp and igbt, which is substituted for current analogue field regulator with thyristors as power element

    本文提出以dsp和igbt為核心來設計數字式可逆勵磁調節器，以取代現有的以晶閘管為功率元件的模擬控制的勵磁調節器。
  13. Based on the analysis and comparison of the peak current - injection mode and average current mode control strategies, the method of designing average current control mode pi regulator is obtained. the digital simulation of the converter has been done with the help of matlab software. the good transient and stable character of the converter is attained while rated load

    在分析與比較峰值電流模式與平均值電流模式控制策略的基礎上，給出平均值電流模式pi調節器的設計方法，利用matlab軟體對變換器進行了數字模擬，證實了變換器在額定功率范圍內動、靜態特性良好；過載情況下變換器具有自動限流、保護主功率器件的特性。
  14. This system is mainly constructed from a tms320lf2407a dsp which is used as the core of control parts and a dual full - bridge driver l298 which is used as driving parts. combined with other circuits and apparatus, the system fulfills the digital motor control

    本系統採用tms320lf2407adsp微控制器作為核心控制器件，採用專門為兩相四相步進電機設計的l298雙全橋驅動晶元作為功率驅動器件，結合電流、轉速反饋電路等實現對兩相混合式步進電機的數字控制。
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