電能字 的英文怎麼說
中文拼音 [diànnéngzì]
電能字
英文
compuword-
The subject inducts digital time division technology ( pwm ), which is more advantageous at the accuracy and the predigest of hardware than simulant multiplication. what they call measuring power energy reasonably is that measuting except harmonics power energy fed back power. yet it realizes reasonable measurement of power energy which measures by base wave ac parameters method base on digital time division
本課題引入了數字時分割（ pwm ）脈寬調制技術，在測量的準確性、硬體電路的簡化等方面都比模擬乘法器具有較高的優越性。所謂合理的計量電能，就是不計非線性負載回饋給電網的負的諧波電能，而採用基於數字時分割的基波交流參數測量的方法，真正實現了電能的合理計量。There is a possibility of error in the transmission of any code word.
在翻譯電碼字時有可能發生錯誤。The ade7758 is a high accuracy 3 - phase electrical energy measurement ic. it incorporates adcs, a digital integrator, reference circuitry, temperature sensor, and all the signal processing required performing active, reactive, and apparent energy measurement and rms calculations
Ade7758是高精度三相電量測量專用晶元，它集成了adc 、數字積分器、參考電路、溫度傳感器以及電能測量和有效值計算的數字處理模塊。Supported by heilongjiang province natural science foundation projects " research on the errors mechanism of time division a. c. power measurement " ( no. e9719 ), " research on theory of analog digital mixed sampling power energy measurement " ( no. e01 - 15 ) and foundation for university key teacher by the ministry of education " the research on the low audio frequency a. c. power measurement smart instrument " ( no. 1087 ), in this dissertation it is made that a systematic and deep study on power measurement model errors and instrument errors about analog sampling, digital sampling and mixed sampling measurement, and fully experiments about mixed sampling measurement
本學位論文在黑龍江省自然科學基金資助項目「時分割交流功率測量原理誤差產生機理的理論研究」 （編號： e9719 ） ， 「模擬數字混合採樣功率與電能測量的理論研究」 （編號： e01 - 15 ）和教育部高等學校骨幹教師資助計劃項目「中頻電功率測量智能儀器的研製」 （編號: 1087 ）的資助下，以電功率模擬采樣測量、數字采樣測量和混合採樣測量方法為對象，對電功率測量的原理誤差和儀器誤差進行了系統和深入的理論研究和有關的實驗研究。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。Ac tri - phase active electric energy display control instrument ; double screen digital display ; outline dimension 16080 mm ; no communication interface ; no transmit output ; tri - phase four - wire connection mode ; high limit alarm lower limit alarm ; switch power supply ; input voltage signal 0 100v ; input current signal 05a ; active power display 0120. 0 kw, active electric energy display 099999999999999 kwh. 1
交流三相有功電能顯示控制儀雙屏數字顯示外形尺寸16080無通訊介面無變送輸出三相四線制接線方式上限報警下限報警開關電源供電輸入電壓信號0 100v輸入電流信號0 5a有功功率顯示0 120 . 0kw ，有功電能顯示0 9999999999999kwh 。Ac tri - phase reactive electric energy display control instrument ; double screen digital display ; outline dimension 16080 mm ; no communication interface ; no transmit output ; tri - phase four - wire system ; high limit alarm lower limit alarm ; switch power supply ; input voltage signal 0380v ; input current signal 05a ; reactive power display 0114. 0kw active electric energy display 09999999999999kwh
交流三相無功電能顯示控制儀雙屏數字顯示外形尺寸16080 ;無通訊介面無變送輸出三相四線制上限報警下限報警開關電源供電輸入電壓信號0 380v輸入電流信號0 5a無功功率顯示0 114 . 0kw ;有功電能顯示0 9999999999999kwh 。Furthermore, it is easy to use different control strategy in the digital inverter, so different pwm control can be used, in order to optimize the design of output filter and improve the output performance
同時，在數字變換器平臺上可以方便地實現各種控制策略，達到進一步優化輸出濾波器參數、提高輸出電能質量、提高變速恆頻電源整體效率等目的。Basic principle, hardware structure and function of digital ic electrical meter are expounded. the meter not only has the features of low power consumption and low costing, but has the protective functions against over current, over voltage and electricity leakage. principle and calculation methods of electricity power, periodic compensation and precision compensation are also explained in detail
詳細地敘述了數字式ic卡電度表的基本原理、硬體結構和基本功能，該電度表不僅具有低功耗、低成本的特點，過流、過壓及漏電保護功能，而且具有結構簡單、運行可靠、性能價格比高等優點.最後詳細地介紹了電能計量、精度補償、周期補償的原理及演算法的實現Development of high temperature farady cups for in - situ measurements of powder surface charge under thermal
帶電介質板放電能量的測量新型便攜式數字高阻計Through the datas contrast and analyse from two different kind of electronic electrical eneygy meter, one based on digital multiplier another one based on time - multiplier, present the means for reasonable metering
本文對兩種新型的電子式電能表，即採用數字乘法器的基波電能表和採用時分割乘法器的電能表，進行了實驗室數據和現場走字數據對比和分析，提出了在諧波污染嚴重的電鐵牽引站的電能計量的解決方案。By combining the latest breakthroughs in dsp and pc ( personal computer ), the proposed power quality network monitoring device in this paper is capable of major functions provided by conventional power quality monitoring device, such as frequency analysis, long term voltage fluctuation and transient voltage analysis
該系統是建立在數字信號處理器（ dsp ）和pc網路的基礎上，首先該系統具有了傳統電能質量分析儀的譜分析、長期電壓波動和一些暫態電壓分析等功能，並提供了簡單的錄波功能。Other topics included the concentrated literacy encounter ( cle ) program, computer literacy, dictionary projects, the best way to donate books, problems of adult illiteracy, working with immigrant groups, and more
其他主題包括集中?字接觸（ cle ）計畫、電腦技能、字典計畫、最佳捐書方式、成人文盲計畫、以及與移民團體合作等等。Equipment of power quality dynamic compensation control realization can be either digital or analogical. the advantage of digital compensation control ( dcc ) is that it can compensate harmonics to a precision level and is independent of the surrounding environment. but dcc need high - speed real - time chips to deal with digital signal processing, so it has high price
電能質量動態補償裝置的控制是影響電能質量動態補償裝置的性能的重要因數，電能質量動態補償裝置的諧波補償主要有數字補償控制和模擬補償控制兩種，數字補償的優點是可以對電網諧波的補償達到很精確的程度，不容易受到外界運行環境的影響，但是要求運行速度很高的實時數字信號處理器，因此造價較高，模擬補償控制對硬體要求比較嚴格。Based on wavelet theory, adaptive deadbeat vector control theory and digital signal processing technique, and above - studied on the property of power quality issues, power disturbance classification and power quality conditioner are studied. some experiments and simulations support the researches. all the works contribute to realize the unified power quality conditioning in lokv distribution systems
本文在深入研究電能質量問題本質的基礎上，基於小波理論、自適應控制理論，採用數字信號處理技術，比較深入地進行了配電網路電能擾動辨識和電能質量綜合調節系統的理論研究，通過實驗樣機和計算機模擬完成了與之相關的實驗研究，為在10kv配電網路系統中實現電能質量綜合調節做了一些有意義的工作。Haier has been widely recognized as a leader of 9 products in terms of domestic market shares and the 3rd player of 3 products in the world market and world - class company in the fields of home integration, network appliances, digital and large scale integrated circuits and new materials
海爾有9種產品在中國市場位居行業之首， 3種產品在世界市場佔有率居行業前三位，在智能家居集成、網路家電、數字化、大規模集成電路、新材料等技術領域處於世界領先水平。In the course of the design, critical technologies are applied, such as digital phase - locked loop, fast fourier transform algorithm, universal asynchronous receiver & transmitter, and so on. in the project, as a important component, the module of monitoring the buses " power quality takes a long time
在設計過程中，使用的關鍵技術有：使用cpld模擬多路sspc多種狀態；在對匯流條電能質量的監測過程中採用頻率跟蹤技術? ?全數字鎖相環；應用fpga技術使用fft運算進行諧波分析；通用異步收發器等技術。This paper explains the development about the theory of digital signal processing, and discusses the application of digital signal processing in electric measurement. it also presents how to build a basic embed system
論文論述了數字信號處理技術的發展及其在電能質量檢測中的應用，並介紹了如何構建一個基本的嵌入式系統。This paper explains development about the theory of digital signal, and discusses the application of digital signal processing in the electric measurement. this paper also introduces the characteristics and the development of the digital signal processor
論文論述了數字信號處理技術的發展以及其在電能質量檢測中的作用，並介紹了dsp器件和技術在儀器儀表中的廣闊應用前景。The name comes from the fact that the first quasars identified emit mostly radio energy and look much like stars
這個名字實際上來自首個被確認的類星體，它所發射的絕大部分是射電能並且看上去很像恆星。分享友人