practical electronics 中文意思是什麼

practical electronics 解釋
實用電子學
  • practical : adj 1 實地的，事實上的，實際上的 （opp theoretical）。2 實踐的，實地經驗過的，練習過的，經驗豐富...
  • electronics : n. 1. 〈用作單數〉電子學。 molecular electronics 分子電子學。 2. 電子流行音樂。
  1. Teach yourself electricity and electronics offers easy - to - follow lessons in electricity and electronics fundamentals and applications from a master teacher, with minimal math, plenty of illustrations and practical examples, and test - yourself questions that make learning go more quickly

    教你電力和電子提供易用到后續的教訓，在電力和電子基本面和申請碩士學位的教師，極少數學，大量的插圖和實例，並考驗自己動手問題，使學習到更迅速。
  2. The primary characterristics of this education plan is to strengthen the foundation of physics, and attach importance to practical activities, relying on bupt ' s advantages in electronics and information science

    該培養計劃的主要特點是加強物理科學基礎、充分依託我校在電子信息領域的優勢和重視實踐環節等。
  3. The studies show they are practical and promising functional molecules for opto - electronics. the following works put fc16ab to study physical chemistry properties of its monolayer and lb films with other molecules. the conclusions are as listed below : the surface pressure - molecular area ( - a ) isotherms of fc16ab and hexadecyltrimethylammonium bromide ( ctab ) on aqueous subphases were studied

    結論如下：在純水亞相上，我們通過比較十六烷基甲銨鹽（ ctab ）和fc _ （ 16 ） ab的單分子膜壓力-單分子面積（ - a ）等溫線，得到二茂鐵片段的在氣液界面的取向隨著膜壓的增加而發生改變。
  4. Our company ' s products have environmental protection, customs, practical, non - toxic, non - polluting, easy recovery features, as applied to computer products, electronics, and other sophisticated peripheral equipment and electrical and metal products, plastics, glass, ceramics, aluminum, electrical, chemical and other heavy products, overpack

    本公司產品具有環保、通關、實用、無毒、無污染、易回收等特點，產品適用於電腦、電子、電器及周邊設備等高精密產品及五金、塑膠、玻璃、陶瓷、鋁材、電機、化工等重型產品的內、外包裝。
  5. Aiming at the fact that power factor of low - voltage power equipment is very low in china and application condition of fieldbus technology in the world, based on enhancing power factor of ac motor, lowering losses of the reactive power, improving power quality, therefore, it is of great significance and practical value to research the reactive power compensation by applying the technology of fieldbus, computer and power electronics

    針對目前國內低壓設備用電負載功率因數偏低和國內外現場總線技術的應用現狀，基於提高交流電機的功率因數、降低無功功率損耗和改善電能質量，本文綜合運用現場總線技術、計算機技術和電力電子技術對交流電機無功功率補償的有關方面進行了研究，其研究成果具有一定的理論意義和實用價值。
  6. High resolution digital smps becomes the hotspot in the power supply field. more and more attention has beed payed to how to realize high resolution digital smps, and it has already taken a long step develop. improving the resolution of digital smps by new techniques becomes a forever topic. under the learning of the status and develping trend of smps, considering the practical requirement of task, a control system of smps implemented by microcontroller with high resolution, high speed, high integration is carried out. by combining the embedded system and power electronics, it is discussed that a high resolution smps ’ s output voltage with 0. 01 % resolution pwm wave output, in the basis of microcontroller, and the pwm wave double modulation arithmetic

    不斷用新技術手段實現數字開關電源的高精度是一個永恆的話題。經過了解國內外開關電源的發展現狀和發展趨勢，結合實際課題的要求，提出了使用高精度、高速度、高集成度的微控制器組成開關電源的控制系統。討論了將嵌入式系統與電力電子結合，在微控制器硬體基礎上通過軟體pwm波雙調制演算法輸出高精度pwm波，實現開關電源輸出電壓的萬分之一精度的方法。
  7. Due to the unique, stable and live physiological properties of the iris and non - invasive to users, most stable and reliable for identification in practical applications of iris - based system, iris recognition is receiving extensive attention and becoming an active topic in biometrics. as an application - oriented research project, iris recognition integrates mathematic, computer science, optics, electronics and physiology etc. based on wavelet transform, aimed to improve the recognition performance, centered at wavelet - based iris feature representation and pattern classification, we review and explore the iris sequence image quality assessment, iris image pre - processing, iris recognition performance evaluation and several other linked topics. we mainly investigate on the principles and application methodology of wavelet transform for iris feature representation and iris pattern classification methods

    以小波變換技術為基礎，結合圖像處理和模式識別方法，設計並開發了虹膜圖像採集裝置，建立了虹膜識別演算法測試實驗平臺;重點研究了虹膜識別中的小波變換的應用基礎理論與關鍵實現技術;提出了基於小波局部模極大值的虹膜特徵表示及其多重匹配識別、基於小波多尺度信息的一維和二維虹膜紋理特徵量化表示、基於小波過零點技術的虹膜特徵表示及其規范化的部分hausdorff距離匹配識別，這三類方法能夠有效地提取虹膜特徵;基於自建的演算法測試平臺，對上述三類方法和其他三種國內外比較有影響的基於小波變換的虹膜識別方法進行了定量的性能比較和評價，通過實驗數據分析得到了有意義的結論;最後指出了小波變換技術在虹膜識別領域的研究重點與發展方向。
  8. A zero - voltage starting method is brought forward which switch the starting from separate exciting to self - exciting successfully ; pll ( phase lock loop ) technology is employed to realize the frequency tracing and constant phase angle control ; igbt driving and protective circuit suitable for parallel inverter is developed, which successfully solve the problem of time compensating and overlapping regulation for the driving signals ; a novel and practical over - voltage protective method for parallel inverters is presented which effectively avoid the possible over - voltage destroy to the inverter. xu haiwen ( power electronics and electric driving ) directed by senior engineer peng yonglong

    提出了一種零壓啟動的他激轉自激方法；通過採用鎖相環技術實現了逆變器工作頻率的自動跟蹤和容性逆變角度的恆值控制；設計了適用於並聯諧振型逆變器的igbt驅動與保護電路，解決了驅動信號的時間補償以及重疊角的可調問題；提出了一種新穎、實用的逆變器過壓保護方法，有效地解決了並聯型諧振逆變器過壓保護這一難題。
  9. The text introduce full - automatic current regulator, which is constituted by adjusting voltage circuit, rising electric current circuit, electronics controlling circuit, electrical machine, the machine have the characteristics of simple practical and dependable circuit

    摘要介紹了由調壓器、電子控制電路、電機等組成的全自動交流穩流器全電路，對其輸出特性、工作原理、線路、使用情況等進行了分析。
  10. With the development of power - electronics and computer technology, ac - drive has developed many schemes, but they all have their own shortcomings and are not capable of the practical application demands

    隨著電力電子、計算機等技術的發展，其調速方案種類也越來越多，但是都有其各自的缺點，在很多場合不能滿足實際的應用需要。
  11. Everyday practical electronics

    應用電子學雜志
  12. This is a collection of scientific research, technology transfer, production sales as one technology company, the company gathered henan university and henan university of technology, henan technical institute, huazhong agricultural university more than 10 institutions of higher learning and scientific research institutions in the elite, with the notable integrated r & d capability, in light of its own strong technical force, advancing with the times, is conducive to the whole country and to promote economic development and social progress of high - tech practical technology, business involves the chemical industry, electronics, machinery, environmental protection, and many other areas of new technology, new product development, production and marketing, and implementing a good faith as a basis, to the eternal pursuit of innovation and development of venture aims to quality products back to the pub lic the benefit of mankind

    本公司是一家集科研、技術轉讓，生產銷售為一體科技公司，公司聚集了河南大學，河南理工大學，河南工業學院、華中農業大學等10多所高校和科研機構的科研精英，具有顯著的綜合科研實力，結合自身雄厚的技術力量，與時俱進，面向全國推廣有利於經濟發展和社會進步的高新實用技術，其業務涉及到化工、電子、機械、環保等多個領域新技術、新產品的研發，生產和銷售，貫徹了以誠信為根基，以創新求發展追求永恆的創業宗旨，以優質的產品回報社會造福人類。
  13. In the part of practical application of the information system audit, the paper analyses respectively the development of the system, the function of the system, internal control and network system as well as electronics business

    在信息系統審計的實務部分，論文從系統開發、系統功能、內部控制和網路系統以及電子商務系統幾個部分分別進行了分析。
  14. Huang zugang ( physical electronics ) directed by prof. li jianping electronic nose ( en ) technique has become an international research focus and has made rapid progress during the latest years. and practical en products have been extensively applied in many fields

    近年來，電子鼻技術的研究受到了廣泛的關注，發展非常迅速，電子鼻產品也越來越多地應用到各個領域當中。
  15. When she goes shopping with her clients for electronics goods, she explains that big items are not practical for small spaces

    陪同客戶去選購家電用品時，她向他們解釋大型物品在狹窄的空間里並不實際。
  16. However, this module exposes some questions gradually along with the developed electronics and increasement of practical requirement. the main questions are that the measurement precision and measurement range of frequency could not meet higher and higher practical requirement, some electronic components adopted have stopped production or could not keep up with the era development, poor integration of digital circuits and the comparative level value could not be set with the actual requirement

    但隨著電子技術的發展和實際需求的提高，該模塊也暴露出一些問題，主要是測量精度和測量頻率的范圍已不能滿足日益提高的實際要求、所採用的一些電子器件已經停產或者跟不上時代發展的需要、數字電路集成度較差和隔離測試通道中的比較電平值不能隨實際需求進行設置。
  17. With the development of power electronics technology, solid - switch due to its quickness, permiting many times of operation. simple control, low cost and small size is considered to be a practical protection device for power systems in the future

    近幾年來，隨著電力電子技術的發展，固態開關因其具有動作速度快、允許動作次數多、控制簡便、成本低廉、體積小等優點而被認為具有很強的實用性。
  18. Covering pc, exterior equipments, diy fittings to digital, mobile phone, games, household electronic appliances, automobile electronics and with the most novel topics, flexible reports and relaxing reading experience, it renders the most authoritative practical effect and deliver to its readers the sense of vision, hearing and feeling of products in a brand new style so as to satisfy their diversified demands for buying, using, playing and chatting

    從電腦、外設、 diy配件，到數碼、手機、游戲、家電、汽車電子? ?以最新穎的選題、最鮮活的報道、最輕松的閱讀達成最權威的實用效果，以全新的風格，把產品的視覺、聽覺、觸覺體驗傳遞給廣大讀者，滿足他們買、用、玩、聊的多樣化需求。
分享友人
分享到 Line

分享到臉書