high-power range 中文意思是什麼

high-power range 解釋
大功率無線電指向標
  • high : adj 1 高的〈指物，形容人的身高用 tall〉；高處的；高地的。2 高級的，高等的，高位的，重要的。3 高尚...
  • power : n 1 力，力量；能力；體力，精力；（生理）機能；〈常 pl 〉才能。2 勢力，權力，權限；威力；政權；權...
  • range : vt 1 排列；整理（頭發等）。2 使歸類[班、行、隊]；把…分類。3 〈用被動形或反身形〉加入，站住…的一邊...
  1. Due to existing signal processing technology ’ s shortage such aslow measurement, narrow measurement range precision and other poor performance, we introduced a high - precise signal processing technology : firstly, to get power spectrum with hanning windowed welch modified periodogram, search its peak value frequency ; secondly, to apply zooming analysis via goertzel algorithm ; at last, to get a highly precise doppler frequency with energy centrobaric rectifying algorithm 。 the simulating result indicated that this technology introduced could get accurate doppler frequency 。 depending on above discussed technology, we designed a signal processing scheme, and developed a signal processing system. the running result showed high performance, verified the feasibility and reliability of the highly precise signal processing technology introduced. in a word, the technology improved ldv ’ s performance such as measurement precision, measurement range, dynamic response time 。 and it will have a wide application foreground

    針對存在的缺點，本文提出了一種應用於激光多普勒測速的高精度信號處理技術，即首先利用加hanning窗的welch修正周期圖演算法得到信號功率譜，搜索其譜峰值頻率，接著利用goertzel頻譜細化演算法對搜索的譜峰進行細化分析，再引入能量重心頻譜校正演算法對細化后的譜峰進行校正分析，從而將離散頻譜分析演算法、頻譜細化演算法和頻譜校正演算法三者有機結合起來，充分發揮各自的優點:通過加hanning窗的welch修正周期圖演算法快速得到功率譜及峰值頻率，通過goertzel演算法獲得分析頻帶的高解析度頻譜，然後通過能量重心校正演算法對細化后的頻譜進行高精度校正，這樣不僅保證了演算法的高效性，而且大大提高了分析的精度。
  2. Derived from the 1929 fortress gun ( itself a development of the old 1897 field gun ) with a semi - automatic breech and an automatic loader added, the " high power " apx 75mm gun fired a mle 1915 he round with a reduced charge at 400 m / s and the mle 1915 ap round at 570 m / s ( 50mm penetration at 1000 m ) and its two sights and stereoscopic rangefinder allowed a direct fire range of 2000 m

    「大威力」 apx型75毫米炮由1929型要塞炮（舊式1897型野炮的發展型）衍生而來，加裝了半自動炮尾和一個自動裝填器，發射減裝藥的1915型高爆彈（初速400米/秒） ，及1915型穿甲彈（初速570米/秒， 1000米距離可穿透50毫米裝甲） 。
  3. Complete cubic octahedral crystal crystal shape, high strength and thermal stability. having wide cutting range. suitable for high - power saws and geological broach

    具有完整的立方八面體晶形，高強度和熱穩定性。在高沖擊條件下，具有較高的鋸切范圍。適用於大功率鋸切，優質鉆頭。
  4. A truly versatile zoom lens with a range that extends from wide - angle to high - power telephoto

    此鏡頭為真正的多功能變焦鏡頭，其變焦范圍可從廣角延伸至高效能遠攝。
  5. Circular polarization is one of microwave equipment with broad application. its the mostly function is switch linearly - polarized wave into circular polarized wave. grating - circular polarization is one of circular polarization, its advantage is simple structure and ease of processing. it is prone to expand high power and high efficiency range. because circular polarization have expand application.

    圓極化器是應用廣泛的微波器件之一，其主要功能是將線極化波轉換成圓極化波。光柵圓極化器是其中的一種，它具有結構簡單，加工實現容易，易於向高頻率、高功率應用擴展等優點。
  6. According to the guidline, two nd : yag lasers have been designed and set up, one is end - pumped by lower output power ld using a selfoc micro lens, and the other is end - pumped by high output power ld using a pair of lenses are designed, and the characteristics such as output power and power stabilization of both solid - state lasers are investigated. thirdly, when an empty liquid crystal cell is inserted in the cavity of the nd : yag laser pumped by high power ld, the laser can operates in single axial mode. finally, according to the relationship between the laser output power and the longnitudinal a ld - end - pumped nd : yag laser sensor for displacement measurement has been investigated theoretically and demonstrated experimently, the results indicate that when the mean radius of pumping inside the laser cavity is far less than that of the oscilating laser mode, the exponential of the output power is a gauss function of the longitudinal positon of focused spot of ld pumping beam, both the measurement range and the sensitivity are dependent on the incident pumping power, as the incident pumping power is increased, the measurement range is enlarged and the sensitivity is improve d

    本文首先介紹了ld泵浦nd ： yag激光器的發展狀況、主要特性及其應用，從四能級速率方程出發，推導了ld泵浦nd ： yag激光器的閾值、輸出功率和斜效率的表達式，並簡述了激光器的工作原理、結構型式和倍頻方法；其次，以空間相關的速率方程為基礎，提出了ld端面泵浦nd ： yag激光器的設計方法，給出了一定泵浦耦合方式下，振蕩光模尺寸、最佳輸出耦合率、泵浦光模尺寸、泵浦光焦斑位置等參數的選取依據，以此為依據，設計了自聚焦透鏡耦合小功率ld泵浦nd ： yag激光器和透鏡組耦合高功率ld泵浦nd ： yag激光器，對激光器的輸出功率和功率穩定性等特性進行了實驗研究；再次，在帶尾纖輸出的高功率ld泵浦nd ： yag激光腔內插入一隻空液晶盒，觀察到了激光器以單縱模運轉；最後，根據泵浦光焦斑端面位置對激光輸出功率的影響規律，提出了ld端面泵浦nd ： yag激光位移傳感新方法，並進行了理論和實驗研究，研究結果表明：當激光晶體內泵浦光平均光斑半徑遠小於振西安理工大學碩士學位論文蕩光束腰半徑時，激光輸出功率的自然指數與泵浦光焦斑的縱向位置成高斯變化規律，測量范圍和靈敏度依賴于泵浦功率，隨著泵浦功率的增加，測量范圍擴大，靈敏度提高，當端面泵浦功率為7 . 24w （最大輸出功率為1 . 926w ）時，激光位移傳感器的測量范圍和靈敏度分別是13 . 045mm和0 . 148mw / pm 。
  7. The chenfeng series diesel and gas engines are the series products introduced together by sichuan chenfeng power technology co., ltd. and csr ziyang locomotive works specialized in the manufacturing the newly high - power locomotives and high - power diesel engines in china. the power range of this series diesel engine is from 800kw to 4, 200kw

    晨風柴油及燃氣發動機是四川晨風動力科技有限公司與國內大型新造大功率機車及大功率柴油機的專業製造廠中國南車集團資陽機車廠共同推出的系列產品。柴油機功率范圍從800kw至4200kw 。
  8. In the paper, prescale technology, interpolate method, averaging method and multiple period synchronization method are used to measure the frequency accurately. diode demodulating technology, and power attenuated method or probe coupling & water load technology are employed to measure the power of high power microwave. isothermal technology is used to improve the stability of demodulator and to expend the range of square linear region

    本文採用預分頻法、內插法、多周期同步法、平均法實現了頻率的精確測量;利用二極體檢波技術，結合衰減法或探針耦合+水負載技術實現了大功率微波功率的測量;採用恆溫技術提高了二極體檢波器穩定度;完成了單片機串口通信協議設計和系統電磁兼容的分析和設計。
  9. Xh, xb series high power gear units is a brand - new model of rigid tooth flank gear reducers with wide application areas, which has the feature of large torque range, a design of unit structure modulization capable of horizontal mounting and vertical mounting, three kinds of output shafts - solid shaft, hollow shaft and hollow shaft with shrink disk

    Xh xb斜傘系列大功率減速機xh xb斜傘系列大功率減速機是全新型硬面減速機，具有大轉矩范圍，採用單元結構模塊化設計可臥式安裝也可立式安裝。有實心軸空心軸和收縮盤空心軸輸出。
  10. It has feature of small volume, high loading capability, wide power range, low noise, high efficiency, flexible in alternating directions freely, etc

    它具有體積小承載能力大功率范圍廣噪聲低效率高，任意轉換方向等特點。
  11. Repack mainly : install the new laser range finder, install the fire additional and accuse of the computer, change the diesel engine of model v - 53t containing high - power and new transmission, it is armoured to install side skirt board and bar type additional, allocate and bulldoze the shovel

    主要改裝：安裝新的激光測距儀，加裝火控計算機，換裝大功率的v - 53t型柴油發動機和新的傳動系統，加裝側裙板和柵欄式裝甲，配備推土鏟。
  12. Unlike inverters for general purpose, auxiliary inverters of subway vehicle have the characters of high power, wide range of high dc input voltage, entirely sealed electronic units and natural cooling. single pulse width modulation ( pwm ) technology is found to be optimal by comparing several different high power inverter technologies and is utilized in the 2 - channel staircase inverter discussed in this thesis

    針對地鐵車輛輔助逆變電源的大功率、直流側輸入電壓高且變化范圍寬、輸出電壓穩定且波形質量高，電子部件全密封且要求自然冷卻的特點，分析比較了幾種大功率逆變器技術方案，選擇單邊脈寬調制階梯波合成逆變器為研究對象。
  13. Dc / dc converter with high power and wide range input voltage was required for more reliable special aero - power systems

    一種新的高可靠性飛機專用電源系統，需要研製一種大功率寬電壓輸入范圍的dc / dc變換器電源。
  14. The zero - voltage - switching ( zvs ) pwm hybrid full - bridge three - level ( h - fb tl ) converter can operate in both three - level mode and two - level mode, the output rectified voltage is close to the output voltage over the entire input voltage range, thus the output filter can be reduced significantly, leading to high power density and fast dynamic response. so the zvs pwm h - fb tl converter is very attractive for the applications such as fuel cells, photovoltaic cells, and telecom power supplies, where the voltage varies in a wide range

    零電壓開關復合式全橋三電平（ zero - voltage - switchingpwmhybridfull - bridgethree - level ， zvspwmh - fbtl ）變換器可以工作在三電平模式和兩電平模式，在很寬的輸入電壓范圍內，輸出整流電壓都接近輸出電壓，從而可以減小輸出濾波器，因此可以提高變換器的功率密度和改善動態性能。
  15. But now most of the ozone generators have low power, high power consumption and low efficiency, which limit their range of application and effect of use

    然而我國目前生產的大多數臭氧發生器功率小、能耗高、效率低，這些限制了它們的應用范圍和使用效果。
  16. In this thesis, based on this kind of application, we made theoretical analysis and engineering practice on high - precision lfmcw and its signal processing millimeter wave broadband lfmcw radar has quite high theoretical range - precision and distance resolution, however, for the real radar system, the nonideal parameter of its transmitting signal, such as power fluctuation and the nonlinearity in frequency sweep, will result in the decreasing of the practical rang - precision and the distance resolution of radar

    本文基於這一應用對高精度lfmcw測距雷達及其信號處理進行了理論分析和工程實踐。毫米波寬帶lfmcw雷達具有很高的理論測距精度和距離分辨力，但對于實際的雷達系統，其發射信號的非理想參數-掃頻功率起伏和掃頻非線性，將使得雷達的實際測距精度和距離分辨力下降。
  17. The test shows that the vector control speed system has low inverter power, high power factor, perfect dynamic performance, wide speed range. it suits the variable speed system of fan machine and pump and has good prospect on industry application

    試驗證明調速系統具有變頻器功率小、功率因數高、動態性能好、調速范圍廣等優點，適用於風機、泵類負載的調速，有良好的工業應用前景。
  18. Current transformers are nonreplaceable in the field of protection and measurement for decades, but the electromagnetic current transformers can not meet the development of the electric power system for the reasons of magnetic saturation, ferro resonance, little dynamic range, narrow service band and so on 。 with the popularization of microcompute, it will be irreversible to apply microcompute in the protection and measurement, the equipments do not need the current transformer with high power, so the rogowski coil can apply on the field of protection and measurement

    電流互感器在繼電保護和電流測量中的作用長期以來具有不可替代的地位，但電磁式電流互感器所固有的磁飽和、鐵磁諧振、動態范圍小、使用頻帶窄等都難以滿足電力系統發展的要求。隨著微機的普及，在繼電保護和測量中應用微機已是不可逆轉的潮流，設備已不再需要高功率輸出的電流互感器，因此可以選用rogowski線圈作為低電壓輸出要求的電流測量和繼電保護應用。
  19. The doubly fed induction machines speed adjustment system has the advantage of good speed adjusting behavior, low harmonic pollution, high reliability and cheap productive price. due to these characteristics, it is especially suitable for those situations with high voltage level, high power and not large speed adjustment range, such as wind machines and pump load

    感應電機的雙饋調速系統具有調速性能好、低諧波污染、可靠性高及造價低廉等優點，特別適合於高電壓、大功率且調速范圍不大的場合，尤其適用於風機、泵類負載。
  20. Easy range products, including easy 9 miniature circuit breakers and easypact high - power molded case circuit breakers, position at residential, small and medium - sized industrial and commercial building fields

    Easy系列定位於民用建築、中小型工業及商用建築領域，包括easy9低壓終端配電產品與easypact塑殼斷路器兩大類產品。
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