高頻移動 的英文怎麼說

中文拼音 [gāobīndòng]
高頻移動 英文
high frequency mobile x-rays machine
  • : 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...
  • : 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...
  • : Ⅰ動詞1. (移動) move; remove; shift 2. (改變; 變動) change; alter Ⅱ名詞(姓氏) a surname
  • 高頻 : high frequency
  • 移動 : 1 (改換原來的位置) shift; move 2 [力學] translation motion; removal; shifting; dislocation; dis...
  1. Series of guowei dry - method composite machines as new product are explored with our many years ' experience, the requirement of the users. the first metal of this machine is adopted with : photo - ecectricity auto. tracking " correcting deviation equipment, magnetic powder tension control. pneumatic back pressure shifting blade, oven temperature controlled qutomatically, big roll with oil heating, coating composite pneumatic control as well as double frequency governor etc. it will make the machine with fast speed, lower voice, low polluted by air, shout consumptionfor energy, stable working etc. especially suitable for al - foil with smooth surface and no enough firming, glass paper, polyester ect. the composite material with hard strength, fireproof, anti - ventilation, anti - fatty, frozen, dudrable steam etc character. it is widely used in food, pharmacy, as well as daily articles to package

    「國偉」 、系列乾式復合機,是我廠根據多年的復合機製造經驗及結合客戶需求,開發的新產品,該機第一基材採用了「光電自跟蹤」糾偏放卷裝置,磁粉張力控制、氣背壓式刮刀、烘箱溫度分段自控制、大輥筒導熱油加熱、上膠復合氣控制及雙變調速技術,使該機具有復合速度快、噪聲低、空氣污染小、能耗低、運行平穩等特點,適宜於表面光滑的鋁箔玻璃紙聚酰胺等與聚乙烯、聚丙烯等薄膜的復合,復合薄膜具有強度、防水、防透氣、防油脂、可冷凍、蒸煮等優點,廣泛應用冷凍食品、乾燥食品、醫藥品及日用品的包裝。
  2. Test method for evaluating lubricity of diesel fuels by the high - frequency reciprocating rig

    往復式裝置評價柴油燃料潤滑性的試驗方法
  3. Furthermore, the network technique only support the voice service cannot meet the communication requirements of people. people hope to obtain multimedia service such as packet data, video and picture phone etc besides voice service. all these need operators and researchers to look after the mobile communication scheme which optimizes spectrum efficiency and expands system capacity to accommodate more users in major metropolitan markets

    此外,僅支持語音業務的網路技術已不能滿足人們對信息交流的需求,人們希望能隨時隨地獲取除語音之外的數據、視和圖像等多媒體業務,這些因素都促使運營商和研究者尋求譜利用率更、通信容量更大的通信解決方案。
  4. Digital intermediate frequency system is one of the hotspots in radio communication and military research, it provided a superexcellent way for high - speed double direction digital communication

    數字中系統是當前軍事與通信領域的研究熱點之一,它為速雙向無線數據通信提供了思路與方案[ 1 ] 。
  5. After that, antiplane surface motion features of the shallow alluvial valley of small depth - to - width ratio are investigated in details. the results indicate that surface displacement amplitudes of alluvial valley will not reduce when the alluvial valley become shallow. the maximum amplitudes will move to high frequency with depth - to - width ratio becoming small

    在此基礎上,對小深寬比的淺圓弧型沉積盆地出平面地表運特徵做了較深入的研究,結果表明盆地地表位幅值不會因變淺而減小,最大反應會隨著盆地深寬比的減小而向高頻移動
  6. In this paper, high - order accurate weighted essentially non - oscillatory ( weno ) schemes are investigated and their applications in hyperbolic conservation laws are discussed. based on this, a new weno difference scheme which based on dispersion - relation - preserving relation is developed, and representative test cases with this scheme for computational aeroacoustics ( caa ) problems has been implemented and compared in order to test capability of wave capturing ; in addition, weno schemes generally do not converge at high order in the presence of contact discontinuity of euler equations, so a conservative front tracking technique coupling weno schemes and level set method to simulate the translating density profile is presented here, and numerical simulation with this technique for representative test case has been implemented and results show the desired accuracy

    本文研究了階精度加權基本無振蕩( weno )格式及其在雙曲守恆律方程中的應用,在此基礎上作了兩個方面的工作:一是針對聲波問題構造出一種基於保色散關系( drp )的weno有限差分格式,並對計算氣聲學( caa )問題的代表性算例進行了大量數值實驗,比較了該格式捕捉波數的能力;另外,針對階weno格式在處理euler方程的接觸間斷時精度有所降低的問題,研究了利用界面追蹤技術levelset方法和階激波捕捉weno格式相結合的一種守恆追蹤方法,並且給出有代表性的密度滑面問題的算例,得到一致階精度的數值模擬結果。
  7. To increase the bearing accuracy of amplitude - comparison, the multi - channel system was chosen, the angle of reaching of moving antenna pattern serial was estimated from the frequency domain using the phase - delay estimating method, and at the same time, the selection of antenna, quantization of signal and touch switches were optimized in concrete engineering practice, and so the requirement of the index was satisfied

    為提比幅測向的精度,選用多通道體制,採取相位延時估計法從域來估算天線方向圖系列的達到角,同時在具體的工程實現上對天線選取、信號的量化、去摸開關等進行優化,從而滿足指標要求。
  8. 1 m 0. 5, the phase - shifted angle 6 is controlled in term of sine law which makes the magnitude of resonant voltage track a reference sine voltage, and the resonant voltage is rectified, filtered, inverted and then the better sine - voltage output is obtained, theoretical analysis and experimental results show that for the resistive load and inductive load, the switches of leading leg of the phase - shift - controlled circuit are always turned on at zvs, and ones of lagging leg are turned on at zvs ( < 0 ) or turned off at zcs ( ( > 0 ), moreover, all switches in the low - frequency inverter are always turned on and off at zvs, the measured circuit efficiency for rated load reaches up to 88 %

    從功率單向流角度出發,提出了一種lcc諧振型恆相單相鏈逆變電路拓撲,在調制系數0 . 1 m 0 . 5情況下,控制相角按正弦規律變化,使諧振電壓脈沖列的幅值追蹤參考正弦電壓信號,經過整流、濾波、低逆變,從而獲得正弦度較好的輸出電壓。理論分析和實驗結果證明對于阻性負載或阻感性負載,相全橋具有超前橋臂零電壓開通,滯后橋臂或者零電壓開通( _ 0 )或者零電流關斷( _ 0 )的軟開關特性,而低逆變器的各個開關均實現零電壓條件下的開通與關斷。
  9. Electronic engineering limited shanghai inge computer network department is a professional development network of high - performance video products, wireless mobile data products and provide e - commerce, enterprise information platform solutions high - tech enterprises

    上海英奇電腦電子工程有限公司網路部,是一家專業開發性能視網路產品、無線數據產品並提供電子商務、企業信息平臺解決方案的科技企業。
  10. The system is different from traditional silicon controlled dephasing method, such speedy modules as whole controlled electric and electronic equipment igbt and high frequency pwm controlling methods are employed, and the voltage of exchanging power supply of motor of beam pumping units can be controlled automatically, so there is no problem of power factor being decreased brought by silicon controlled phase single controlled, power factor in power net of beam pumping units " motor is enhanced really

    由於雙管齊下,電機電網側的功率因數得到了大大提。與傳統的可控硅相控制方式不同,本系統採用全控型電力電子器件igbt等快速模塊及pwm控制方式,對抽油機電機的交流供電電壓進行自控制,不存在可控硅相控角所帶來的功率因數變差的問題,真正提了抽油機電網側的功率因數。
  11. This paper introduces a power controlling system for electrosurgical generator based on thyristor, and proposes a power compensating method to maintain the output power invariable when the ac voltage fluctuates

    介紹了基於可控硅整流電路的電刀控制系統,並針對該類型電刀的輸出功率隨電網電壓波而發生漂的問題,採用了一種功率補償的方法,實現輸出功率在不同的電網電壓的波下保持恆定。
  12. This paper introduces a power controlling system for electrosurgical generator baaed on thyristor, and proposes a power compensating method to maintain the output power invariable when the ac voltage fluctuates

    摘要介紹了基於可控硅整流電路的電刀控制系統,並針對該類型電刀的輸出功率隨電網電壓波而發生漂的問題,採用了一種功率補償的方法,實現輸出功率在不同的電網電壓的波下保持恆定。
  13. Several carrier frequency estimation algorithms including ekf and rls with opened loop are analyzed, which aim to settle the carrier phase estimation problem preferably under high dynamic circumstances. an improved phase and frequency esti - mation algorithm is proposed in the paper. simulation results show that the algorithm is faster and more precision than other algorithms

    為更好地解決態環境中的載波同步問題,本文進一步研究了存在態多普勒情況下的開環相干載波同步問題,包括基於擴展卡爾曼濾波、最小二乘演算法等的差、相差聯合估計方法。
  14. Abstract : a new algorithm applied to the fixed channel assignment in the cellular pattern is proposed. it is based on the theory of evolutionary algorithm. it uses the concept of multiple reuse plan ( mrp ) and solve the problem of large scale through blocking algorithm, and it is a fast 、 efficient and parallel searching method. it has been used in frequency plan system of beijing university of posts and telecommunications. it has been used in several plan project for some city, and been adopted because of its good performance

    文摘:提出了一種新的用於蜂窩通信中小區規劃的固定率分配演算法.它基於遺傳演算法的基本理論,運用多層率復用的概念和分塊演算法解決了大規模區域的率規劃問題,是一種快速、效的并行式搜索的率分配演算法.該演算法已用於北京郵電大學的率規劃軟體系統中,並用它為幾個市區作過規劃,效果滿足要求,且已被采納
  15. Design of impendence match for high frequency power amplifier of mine mobil communication system

    礦井通信系統功放環節的阻抗匹配設計
  16. The videos, voices, data combined traffic and high speed data are becoming more and more predominent in the future, and how to efficiently transfer this multi - medium integrated - data is one of the researcher ' s interesting field. the cdma system, which has striking advantages of anti - multipath fading, soft capacities and large capacities over fdma and tdma systems, has been focused by all of the countries

    未來信息社會中,圖象,話音,數據相結合的多媒體業務和速數據業務量越來越佔主要地位,如何有效地傳輸這種多媒體數據,已經成為通信中的研究熱點之一。擴技術由於具有抗多徑,軟容量和時分多址與分多址更大的容量和優勢,而受到各國研究者的重視。
  17. When cu substitutes for co, with the cu increase, the dielectrical constant will reduce, and the peak value of dielectrical loss will move to high frequency

    Cu取代co時,隨著cu的增加,材料的介電常數減小,介電損耗的峰值向方向
  18. 3. results of absorption properties of different depth composites prove that the absorption peak is shifted to high frequency as the depth of materials decreases

    通過對不同厚度材料的吸波性能研究,結果表明隨材料厚度的減小,材料對電磁波的吸收峰向高頻移動
  19. Because of the broadcasting characteristics and power efficiency of multi - media, tds - ofdm ’ s dcli has strong capacities of adapting to high moving speed and preventing various distortions, it could be applied to the common complex distortion environment of broadcasts that cover large areas ; the time - frequency combination process allows for fast channel estimation and balancing, which could be used to support high - speed moving reception of high definition television

    由於具有多媒體廣播特點和省電功能, tds - ofdm的幀頭適應和抗多徑干擾的能力非常強,能適應大范圍廣播覆蓋造成的復雜干擾環境;時結合處理的快速通道估計和均衡,支持清電視接收。
  20. Aiming at these problems, this thesis analyzes how cofdm technology is used to implement wireless video transmission under the condition of high moving speed

    針對這些問題,本文探討將cofdm技術用於條件下無線視傳輸的實現方案。
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