高頻磁場 的英文怎麼說
中文拼音 [gāobīncíchǎng]
高頻磁場
英文
high frequency magnetic field- 高 : Ⅰ形容詞1 (從下向上距離大; 離地面遠) tall; high 2 (在一般標準或平均程度之上; 等級在上的) above...
- 頻 : Ⅰ形容詞(次數多) frequent Ⅱ副詞(屢次) frequently; repeatedly Ⅲ名詞1 [物理學] (物體每秒鐘振動...
- 磁 : 名詞1. [物理學] (磁性; 能吸引鐵、鎳等的性質) magnetism 2. (瓷) porcelain; china
- 場 : 場Ⅰ名詞1 (平坦的空地 多用來翻曬糧食 碾軋穀物) a level open space; threshing ground 2 [方言] (...
- 高頻 : high frequency
- 磁場 : [物理學] (傳遞運動電荷或電流之間相互作用的物理場) magnetic field
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Jg davis et al : health effects of low - frequency electric and magnetic fields. oak ridge associated universities, 1992
目前沒有文獻指出,由家用電器、電視顯像終端和當地高壓電力輸配線所產生的極低頻率電磁場會危害健康。Light is a wave composed of coupled electric and magnetic fields oscillating in synchrony at very high frequencies
光是一種由電場與磁場耦合在一起進行高頻同步振蕩所形成的波。During ion source operating, alternating axial magnetic field and azimuthal electric field in discharge tube ionize hydrogen gas purified by hot palladium pipe, and form plasma, hi fifties year, research reports studied on rf ion source are numerous however most of them are concerned about application, and research reports relevant to discharge theory or experiment model are unfrequent
離子源工作時,放電空間交變的軸向磁場和渦漩電場激發放電管中經鈀管純化后通入的氫氣電離,形成等離子體。 50多年來,關于高頻離子源的研究報告很多,但是,這些研究主要都集中在應用研究方面,有關高頻無極環形放電離子源的理論與實驗模型研究不是很多。The key parts of barretter are made of irf840 field - effect transistor, the magnetic ring and high frequency choking coil which adopting negative temperature index. such components can provide barretters a wide applicable voltage 160v - 250v. low power consumption, minor temperature rise, stable functions, long life - span
鎮流器核心元件採用irf840場效應三極體,磁環及高頻扼流圈採用負溫系數,這樣的元件選擇使整流器適用電壓范圍寬160v - 250v ,功耗低,溫升小,性能十分穩定,確保其擁有很長的壽命。The button electrode is one that widely used in high energy rf accelerators, such as storage ring, and the bpm made of button electrodes has many merits like high accuracy, high resolution, resisting magnetic field, simple machinery, without magnetic core and low cost, etc. so we want to use the button electrode as the bpm in high current accelerators like the lia
鈕扣電極束位置探測器是一種廣泛應用於射頻加速器儲存環等高能弱流加速器的一種束位置測量裝置,它具有測量精度高、解析度高、不受磁場干擾、機械結構簡單、無磁芯、造價低廉等特點。只是,至今未見有關這種束位置探測器在強流加速器(如,直線感應加速器)上應用的報導,如能將鈕扣電極束位置探測器應用於lia ,將是一件很有意義的事情。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。The detail study on the interaction between the electron beam and standing wave of complex cavity gyrotron with gradual transition and gyroklystron has been done in this dissertation, supported by the pre - study important items " the study on 8mm third harmonic gyrotron with a permanent magnet system " and " the study on 8mm high power gyroklystron ". the main works of this dissertation are listed as following : 1. the study on the rf distribution of the complex cavity with gradual transition is presented, in which the multi - modes coupling are taken into account
本論文就是結合該課題組的「九?五」重點項目「 8mm三次諧波永磁包裝迴旋管技術的研究」及「十?五」重點項目「 8mm高功率迴旋速調管技術的研究」 ,對以諧振腔為互作用高頻系統的迴旋脈塞器件中兩種典型的器件? ?迴旋振蕩管及迴旋速調管中電子注與駐波場的互作用進行了深入細致的探討和研究,其中迴旋振蕩管採用的是漸變復合腔。With the development of the converter drive technology, the requirement for the variable frequency drive are becoming more and more strict especially for the modern converter drive employing fast switching semiconductor igbt , though it has high pulse frequency and refreshing time of only nanoseconds, it generates emf that has adverse effect on the environment
隨著頻率控制傳動技術的發展,對頻率變速傳動系統的要求越來越高,尤其是對採用快速切換的igbt半導體現代變頻技術,盡管脈沖頻率高或更斷時間僅毫微秒內,但它們會對周圍環境產生電磁場。In view of the limitation of the traditional inversion theory and method of the gravity and magnetic field, professional an yulin, etc, worked in china university of geoscience, has come into being the theory system of the all - direction imagery for local gravity and magnetic sources after having researched a few years. the theory system broke through the thinking method of traditional theory system, researched all - direction imagery of the 2d local gravity and magnetic sources by means of complex function theory and researched all - direction imagery of the 3d local gravity and magnetic sources by means of spherical harmonic analysis theory, developed greatly the interpretation theory on the gravity and magnetic field
該理論體系突破了傳統的重、磁場解釋理論體系的思維方式,採用復變函數理論研究二維局部重磁場源全方位成像,採用球諧分析理論研究三維局部重磁場源全方位成像,大大發展了重磁學科解釋理論,可以在起伏地形、有背景疊加和高頻干擾等復雜條件下,直接反演加疊代修改,求解分佈在有限范圍內的二維和三維重磁場源異常場的多種反演問題。Distribution of electromagnet field in the space of h - type rf ion source is worked out derivation from maxwell equations, and three - dimensional vector graphs of e and b in the space of rf ion source are calculated and plotted by mafia software
並採用mafia軟體進行了三維實體建模,計算了高頻離子源放電擊穿前和穩定工作后的電磁場分佈,得到了高頻離子源放電空間電磁場分佈的直觀圖像。The antenna investigated in the dissertation is the unilateral slot antenna with fed taper and end taper, which is fed by fin - line
最後藉助於三維高頻電磁場模擬軟體ansofthfss ,對整個鰭線饋電線性漸變天線系統進行了優化。The pollution of extremely low frequency field in great power plants and distribution of electric field in transmission line with different voltage grade
電力設備及高壓架空線路周圍工頻磁場的探討Electromagnetic heat is generated from the coils that are transmitted with high frequency electric currents, when magnetic metal cookware is used, high magnetic frequencies are generated, thereby creating huge volumes of whirling fluids, which is transformed from electric power into heat power
電磁爐具熱源的產生是利用高頻電流通過一組線圈,形成高頻交變磁場,磁場的磁力線穿過鐵磁材料的金屬鍋,作用於鍋體內的粒子,使其劇烈運動、磨擦,即時產生極高的溫度場,將電能轉化成熱能。Electron gun is the foremost parts of twt, it can produce electron beam with a certain shape and current, in order to guarantee the reliability and security of work, it ’ s design have to meet to the requirement not only of electric parameter, but also all kinds of subsidiary characteristics such as filament pyrogenation efficiency, warm up time, shape size, pole space capacitance and the ability to be able to bear the press and all kinds of rigorous run conditions such as high temperature, high humidity, low air pressure, strong vibration and great strike
由於行波管的大功率和高頻率等特性,目前還沒有任何其他的器件可以代替。行波管是應用高頻電磁場與電子注進行互作用的機理進行工作的,而電子槍是行波管中產生電子注並使它成型的基本部件,電子槍的結構設計決定了槍體自身必須具有良好的抗振可靠性,否則結構發生共振或振動位移過量,就會導致行波管的失效。因此對行波管電子槍的研究具有非常重要的意義。The dynamic character of the rotor system is the same as that without magnetic field when the magnetic field frequency is over a critical frequency, and the sinusoidal magnetic field cannot control the dynamic performance of the disk type mr fluid damper
當磁場的頻率高於一個臨界頻率后,轉子系統的動力特性與無磁場時的動力特性相同,正弦磁場不能夠控制磁流變流體阻尼器的動力特性。This paper develops a brain tumors heating curing instrument, which is based on the endogenetic field. it works by heating the ion and polity elements in the tumors organization, making the molecule twist and fracture. in that way, the temperature in the brain tumors is 3 ~ 7 c higher than the normal organization, and kills the brain tumor
本文研製了一種基於內生場的腦腫瘤射頻熱療儀,通過內生場加溫促使腫瘤組織的離子和極性分子在電磁場中發生分子扭動、摩擦,產生熱滯留,使得腫瘤組織的溫度高於周圍正常組織的3 ~ 7 ,從而燒死腦腫瘤細胞,達到安全治愈腫瘤的目的。By the test of three - dimensional distribution, form character, rotating frequency and magnetic field intensity of rotating magnetic field, it showed that the magnetic field produced is a highly rotating magnetic field and mainly distribute on welding arc region, rotating frequency and magnetic intensity can be regulated through excitation power source
通過對產生磁場的空間分佈,形態特徵,以及旋轉頻率和場強大小的測試證明該磁場是一個高速旋轉的磁場空間,而且磁場主要集中分佈在焊接電弧區域內,磁場的旋轉頻率和場強大小都可以通過勵磁電源進行良好調節。The influences of electron beam and rf system parameters, magnetic field on output power, efficiency, bandwidth and gain are discussed
研究了電子注參量、高頻輸入功率及頻率、外部磁場等對互作用效率、輸出功率及頻帶的影響。The field tester should compare successive readings across the frequency range against a typical pass / fail line, such as the class d specification
當總體的磁場強度變化時,它明顯的上下變化,這是因為雙絞線對較高的頻率不敏感。That is, it varies up and down significantly, while generally increasing in magnitude. this is because twisted pair coupling becomes less effective for higher frequencies
當總體的磁場強度變化時,它明顯的上下變化,這是因為雙絞線對較高的頻率不敏感。分享友人