emi 中文意思是什麼

emi 解釋
x射線衰減系數單位
  1. Elimination of gsm mobile phone ' s emi from ecg

    手機對心電信號電磁干擾的消除辦法
  2. Analysis on emi restraining with ferromagnetic core

    用鐵氧體模型進行抑制電磁干擾的分析
  3. The torpedo control system structure based on field bus technology has also been studied in this dissertation. presently, ccs is still widely used in the torpedo and there are many problems holdback the development of the torpedo control system, such as emi. by the introduction of the conception of " open bus system " to the torpedo control system, the performance of system can be improved greatly

    本文還研究了基於現場總線技術的魚雷制導系統結構,目前魚雷控制和自導系統仍然主要採用集中式控制結構,存在諸多困擾魚雷控制系統發展的問題(如電磁干擾等) ,在魚雷制導系統中引入開放式總線系統概念(即將現場總線引入魚雷制導系統中) ,可以極大地提高魚雷控制系統的性能,解決原先存在的許多問題。
  4. The 1mhz fixed frequency switching allows for tiny external components and the regulation scheme is optimized to ensure low emi and low input ripple. an external resistor sets the full - scale led current, while two digital inputs control on / off and select amongst three levels of brightness. the circuit operates in 1x mode until just above dropout

    工作在1mhz固定頻率,採用線性調制模式使輸入紋波大大減小;利用一個外部電阻可以設置滿量程led電流;外接兩個數字信號控制晶元開關並選擇led三級亮度中的一級;具有過溫、過壓/欠壓等保護功能,工作溫度范圍為- 40 + 85 。
  5. Journalist : yoko, john lennon / plastic ono band was recorded at emi studios. imagine was recorded at your tittenhurst park home studio in ascot. how did recording at home affect imagine

    洋子,約翰?列農的《順從洋子樂隊》是在emi錄音室錄制的。 《想象》則是在亞斯科的騰哈思公園你家裡錄的。在家錄音對《想象》專輯有什麼樣的影響?
  6. However, the h - bridge maglev chopper has serious switching losses, so as to have snubber circuit ; there is high emi with the chopper

    然而, h -橋斬波器開關損耗大,需要添加緩沖網路,電磁干擾十分嚴重;對供電電源有反向電流沖擊,容易造成供電電源和濾波電容的損壞。
  7. Some features of this chip are listed below : firstly, it opts for ir data transmit technology, so it have the advantages of little emi, simple operation, low cost, etc. secondly, the synchrony method makes it have good noise suppression and ber quality

    該「紅外名片交換專用晶元」能獨立完成名片交換和管理的任務,具有顯著優點: 1採用紅外數據通信的方式,具有技術方案成熟,交換方法簡單,保密性好,相互電磁干擾小,成本低、簡單易用等優點。
  8. Nowadays with the booming development of microelectronic technique, the functions of the components of machinery, electricity, magnetism, optics, acoustics and thermotics have been improved rapidly. and the micromation of components, the integration of electronic equipments, the worse working environment, the increasing requirement and emi, all of these make the structural design of electronic equipments more and more important

    在微電子學高度發展的今天,促使機、電、磁、光、聲和熱等元器件功能飛速提高,隨著元器件微型化,電子設備趨向集成化,再加上一些日趨惡劣的工作環境,各種使用要求的提高,空間電磁環境的干擾,以及由於裝填密度高,產生的內在干擾等,使得電子設備的結構設計變得越來越重要。
  9. What does utp cable rely on to reduce signal degradation caused by emi and rfi

    非遮蔽雙絞線是靠什麼減少訊號下降造成的電磁干擾和射頻干擾
  10. We provide thermal interface materials, emi shielding materials, polymer adhesives materials, insulation materials, inductive components and bulk molding compounds

    依美提供導熱介面材料, emi屏蔽材料,聚合物粘合劑材料,絕緣材料,電感元器件及熱固性復合材料。
  11. To improve these models, based on detailed mechanism analysis, high frequency models of two typical power devices - double carriers pin diodes and single carrier power mosfet are proposed for emi simulation

    本文對典型的兩種功率半導體器件?少子器件pin二極體和多子器件功率vdmosfet ,進行了深入地機理分析,提出了它們適合於emi分析的高頻模型。
  12. The cbfs series is a 3 terminal emi suppressor filter based on multilayer chip capacitor technology

    Cbf系列的晶片系以積層晶片電容科技為基礎之三端子濾波器
  13. Computers, power, supply, emi / rfi suppression and wideband choke coils

    電腦,電源, emi / rfi回波抑制和寬帶雜波抑制電感線圈。
  14. To show the applicability of the proposed algorithm for engineering problems, the thesis computed the radiated electromagnetic field of a switched mode power supply, with special attention on the analysis of the emi in the electronic control circuit. different numerical results and two valuable guidelines are drawn

    從而以實際高頻開關電源為工程背景,通過對高頻開關電源產生的輻射電磁場的分析,重點計算了該開關電源控制迴路處的主要電磁干擾,得出了相應的數值計算結果和可供實用參照的結論。
  15. Chaotic switching modulations introduce low - frequency harmonic spectrum of output voltage as random switching modulation. in some case, low - frequency noise ripple offset the effect chaotic switching modulations reduce the level of emi. it indicates that the ccfmfd integrates the advantages of spreading harmonic power at the multiples of the switching frequency and not introducing significant noise ripple at low - frequency range. among all chaotic switching modulations, the ccfmfd is considered as the best choice in applying to dc / dc converter

    與隨機調制模式相同,混沌開關調制模式也引入輸出低頻噪聲紋波,有些情況下低頻噪聲紋波可能抵消混沌開關調制降低emi水平的效果。分析表明: ccfmfd模式具有較好的降低emi水平和引入較小低頻紋波的優點,可以作為混沌調制模式較佳的選擇。
  16. The its group offers a comprehensive line of abrasion, bundling, thermal management, emi / rfi shielding and electrical solutions that are used on a variety of applications including wire harnesses, hoses and cable assemblies

    Its系統提供不同的產品系列,耐摩、捆紮、熱保護、 emi / rfi電磁兼容防護以及電氣絕緣保護,應用在不同的場合包括電纜、管子和電纜配件。
  17. Emi singer song collection - johnny yip

    Emi星聲傳集之葉振棠
  18. ( 1 ) for methodological syncretization of emi and km, existing reference architectures ( ras ) do not clearly reflect the level characteristics of enterprise knowledge and its organization and application modes. ( 2 ) for enterprise knowledge capture and application, existing enterprise modeling methods face the dilemma of how to facilitate friendly collaboration and communication between system analysts / developers and enterprise staffs, and how to help system analysts / developers utilize model knowledge to carry out effective quantitative analysis. ( 3 ) for knowledge re - use, it lacks powerful knowledge repository systems for enterprise model re - use and corresponding mechanisms for knowledge extraction, classification and index

    目前國內外關于該方向的研究尚處于起步階段,有許多問題亟待解決,主要表現在:在企業集成與知識管理的方法論融合方面,現有參考體系結構沒有很好地反映出企業知識的層次特徵及其組織、應用方式;在企業知識的收集與應用方面,現有企業建模方法在如何促進系統分析設計人員與企業人員進行友好的合作與交流和如何幫助系統分析設計人員利用模型知識進行有效的定量分析這兩個問題上存在著矛盾;在知識重用方面,缺乏面向企業模型重用的功能完備的知識庫系統及相應的知識提煉和分類檢索機制,能夠被業界廣泛接受的參考模型尚不多見;在建立面向企業集成的基於知識的系統方面,尚沒有很好地解決知識的形式化表示問題,缺乏用於描述企業深層知識的形式化建模手段。
  19. The methods that can efficiently suppress the disturbance on gate of switching component of the inverter - bridge are synthesized. a dual - inductor output filter is employed to improve electromagnetic interference ( emi ), due to turn - on or turn - off of the power switches of the inverter, which may be lead loads into trouble

    本文詳細論述了1kva25hz新型鐵路信號電源和2kva高頻在線式ups的設計和調試工作,總結了幾種能夠有效抑制逆變橋功率開關管門極干擾的措施,並且運用一種雙電感結構的輸出濾波器來改善由逆變器功率管在開關過程中產生的、影響負載設備正常工作的電磁干擾。
  20. To reduce the harmonics in the line current, the random pwm mode is adapt. related to the typically constant pwm carrier frequency and its high harmonics, modulation of this frequency can be used to decrease emi and cost no more gain

    為了抑制輸入電流中一些幅值較大的諧波成分,利用dsp控制的特點,電路採用了隨機pwm方式,在不增加系統成本的前提下,有效地抑制了輸入電流的高次諧波含量。
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