高諧波 的英文怎麼說

中文拼音 [gāoxié]
高諧波 英文
higher harmonics
  • : 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1 (和諧) in harmony; in accord; in tune 2 (詼諧) humorous Ⅱ動詞(商量好; 辦妥) come t...
  • : Ⅰ名詞1 (波浪) wave 2 [物理學] (振動傳播的過程) wave 3 (意外變化) an unexpected turn of even...
  1. The theory of wilkinson power combiner and ratrace coupler is analyzed by using the odd - even mode method in this thesis. on the basis of the theoretical analysis, we designed and tested the wilkinson power divider, the modified wilkinson power divider and ratrace coupler, good agreement is observed. in addition we propose a power combiner based on a waveguide - to - microstrip transition using antipodal finlines. this structure united the two functions of transition and equal power division, it can not only be used in the circuit power combiner but also be used in spatial power combiner

    另外提出一種基於鰭線導微帶過渡功分器,該結構將過渡與功分兩種功能完全結合,不但可以用於電路合成式功率合成,也可用於空間功率合成中。對功率合成器,其主要指標是輸出功率和效率,其中提輸出功率和效率的一個方法是在輸出端抑制,主要是對二次的抑制。
  2. The results show that : l ) there are three anomalous high temperature areas and three anomalous low temperature areas, and the whole area high temperature anomaly took place in the late 1980s, whereas the low temperature anomaly in the 1970 ; 2 ) the spatial mode manifests identical variations in the whole area, and the temporal coefficient curve is of 2 - 3 year period oscillation and an interdecadal abrupt in the late 1970s ; 3 ) the variance of interdecadal component is obviously larger than that of interannual in the most part of nespa ; 4 ) the interdecadal variation of the temperature is mainly linear ascendance in the late 1970s, the large range anomalous high ( low ) temperature occurs when the interdecadal and interannual anomaly are both positive ( negative ) in the year ; 5 ) the temperature anomaly is divided into four patterns : southern, northern, eastern and western patterns, in which the interdecadal variation of the southern and western patterns is relatively importance and the interannual variation of eastern and northern pattern is relatively importance

    本文用夏季( 6 - 8月)中國東北地區91個測站44年氣溫資料,對該區夏季氣溫的氣候平均和異常場進行分析,採用分析將異常變化的年代際、年際尺度分量分離,分別分析兩種尺度上氣溫異常的時空特徵,最後應用reof進行了氣溫異常的區劃,研究局域異常變化的年代際、年際分量的變化特徵。結果發現: 1 )東北夏季有三個異常發區和三個異常低溫發區。全區性異常溫(低溫)階段出現在上世紀80年代后( 70年代) 。
  3. Furthermore, with the fourier series technique, the disturbance is discomposed into predominant mode and high frequency harmonics, and the nonlinear stability of the nonparallel boundary layer is studied

    採用fourier級數的方法把擾動分解為基本模態和模態,導出非平行非線性拋物化穩定性方程。
  4. Even under the condition that the filling pressure was up to 1. 5mpa, the onset temperature was only 237 ?. with the filling nitrogen of 0. 9 mpa, the maximal pressure ratio reaches 1. 21 and the operation frequency is 25 hz. the ratio of the harmonic wave of the engine was very little and the frequency jumping was not found in present experiments

    在充氣壓力為0 . 9mpa的條件下,該熱聲發動機最大壓比可達1 . 21 ,遠於駐型熱聲發動機,實驗結果和理論分析均表明系統的工作頻率為25hz左右,實驗裝置的比例非常小,且也沒發現頻率跳變等現象。
  5. Harmonic analysis of high frequency ac power distribution system in electric vehicle

    電動汽車頻交流功率分佈系統的分析
  6. Mixers are the key components of many microwave and millimeter - wave systems. the super - heterodyne receiver is always applied in modern communication system, mixer becomes the key component as is at the first part of system. but it is more and more difficult to get the choiceness lo source of the same band with the system is working at high frequency especially in the millimeter - wave. sub - harmonic mixer is a good solution to this problem now. in this circuit we need just half 、 quarter 、 even 1 / 8 of the rf signal frequency. in this paper the design and fabricate of sub - harmonic hmic mixers ( 2, 4 ) at w - band are introduced

    混頻器是微通信、射電天文學、雷達、等離子物理、遙控、遙感、電子對抗,以及許多微測量系統中至關重要的部件。在現代通信系統中,毫米頻段通常採用超外差接收機,混頻器作為第一級就成為關鍵部件。由於在毫米頻段,同頻段性能的本振源成本,技術難度大,採用分混頻技術是解決此問題的有效途徑,只需射頻頻率1 / 2 、 1 / 4甚至1 / 8的本振頻率即可實現混頻。
  7. The time harmonics can be considered as voltages of higher frequencies applied to the windings.

    時間可以看作是施加在繞組上的較頻率的電壓。
  8. These stray currents usually have a higher frequency (50-60h2 harmonics) than those used in the ip frequency technique.

    這些游散電流的頻率(5060H2及其)通常比IP頻率域法中用的頻率要
  9. The physical models for those sound synthesis methods can exactly describe musical instruments ' s fundamental and harmonious and inharmonious frequencyies, as well as their nautral sounding process. they can be played like real musical instruments, representing players ' s strength, velocity and pattern, as well as emotion. so, the methods are playing very important roles within the sound synthesis domain currently, with mpeg4 published and improvement of computer ' s computational efficiency

    由於它可以精確地描述物體的發聲及其發聲過程,精確地再現樂器的基、非以及asdr過程,象真實樂器一樣可以表達演奏者的演奏力度、速度、風格和情感,隨著計算機處理速度的提,尤其是mpeg4技術的公布,這種方法日趨活躍,成為目前樂器模擬、聲音合成的研究熱點。
  10. The way of taking one nth out of capacitor ' s the first harmonic capacitive reactance as its nth harmonic impedance is verified whit the data from tang7c. according to the approximately estimating method, the first harmonic impedance of 220kv system is calculated. on the basis of the models, this paper gives the harmonic equivalent circuit of substation and gives the b ( n ) function of the harmonic time n. when the capacitors has different combination, b ( n ) ' s value will also change, with the inputting local measurement data, the paper studies the series and parallel resonance at the substation, and deduces that the reason the capacitor ' s fuse of tang6c is frequently interrupted is that its capacitor current contains a large number of 5th harmonics, and that the reason the discharging pt of tang7c capacitor being exploded is also that the 7th and 9th harmonic currents are amplified

    據此,對該站進行了串聯振分析和並聯振分析,並結合測試數據和有關變電站的運行記錄,指出了導致該站電容器湯6c頻繁燒保險的主要原因是5次電流含量偏,引起湯7c放電pt爆炸也是因為7次和9次電流被放大。針對這些導致湯陰變電站補償電容器故障的原因,提出了相應的治理措施,包括針對湯6c電容器5次電流含量偏的原因,提出了停運湯6c電容器或者通過把湯sc電容器的部分容量併入湯6c電容器(湯sc其餘部分停運)以增加湯6c承受能力的措施;針對# 2變低壓側7次和9次電流被放大的現象,提出了在湯7c電容器上加裝一定百分比的串聯電抗器的措施。
  11. The high resolution and fast processing give xitron power analyzers the unique capability to perform complete iec - 1000 - 3 testing in a stand alone fashion. the user can select a simple pass fail type display, or report all harmonics per iec1000 - 3 - 2 for each of the individual classes

    解析度與快速處理使xitron功率分析儀能進行完整的iec1000 - 3測試,用戶可選取簡單的合格不合格顯示,或根據iec - 3 - 2標準記錄全部的個別內容
  12. Abstract : temporal properties of the second - ordre process with a chirped incident pulse are theoretically calculated. the chirp influences the irradiance and the pulse shape of the second harmonic wave with large phase mismatch. the phase distortion of all three waves is dependent more strongly on the chirp than on the phase mismatch

    文摘:討論了在大相位失下,基為頻率啁啾脈沖的二次產生過程,結果表明選取合適的啁啾參量可以使二次的光強提,但同時會使其形和相位發生變化.三相位的畸變主要取決于入射的基啁啾脈沖,而與相位匹配的失量關系不大
  13. The algorithm of svpwm that is adopted by the system implements motor speed - regulation by control of magnitude and phase of motor flux. it can generate less harmonics in the output current of power inverter and less losses of ac motor, reduce pulsant component in output torque and raise availability of dc supply voltage

    系統採用的svpwm演算法通過對空間磁鏈矢量幅值和相位的控制來調節電機轉速,減少了逆變器輸出電流的,降低了脈動轉矩,提了電壓的利用率。
  14. And by means of semiclassical theory, the changes of hhg for realistic hydrogen atom in the static electric field is explained

    藉助於半經典理論,解釋了在靜電場作用下發生變化的機制。
  15. Thirdly, multimode - coupling phenomena in cylindrical geometry was analyzed by the simulation. the growth of every mode and its harmonic was qualitatively compared well with the solutions of mode - coupling equation. fourthly, the rt instability in cylindrical and spherical geometries was calculated during an implosion

    第三,利用lared一s程序模擬柱幾何中rt不穩定性的多模禍合問題,對各個模及其的變化進行了分析,並且與模藕合方程的解定性地進行比較,結果符合得較好。
  16. The frequency spectrum and the beet frequency phenomenon also were carried out, the reason from that the beet frequency occur has been found and simulated. these jobs are useful for improving the performances of harmonic gear drive and opening up its using scope

    這對進一步認識齒輪傳動運動誤差的產生和提高諧波齒輪傳動的運動精度,拓寬齒輪傳動的應用范圍,特別是在工業機器人中的應用都具有重要的現實意義。
  17. An algorithm based on the inner structural feature of the 8 - bit single chip microprocessor is presented to perform the space vector modulation, it is high efficiency in voltage - utilizing, low harmonic losses, fast in calculation speed, simple in over - modulation method, high ratio of capability to price

    介紹一種用8位專用單片機內部結構特徵而設計的空間矢量調制演算法,不但具有電壓利用率損耗小等優點,還具有計算速度快、過調制處理方法簡潔、性能價格比等優點。
  18. A novel three - level ac chopper is proposed, which is a new multi - level converter applied to high voltage conversion, and utilizes more electric levels to form output voltage and decrease the harmonic content of output waveform

    摘要提出一種用於壓電能變換的新型三電平交流斬電路,該電路允許使用低電壓等級的器件完成壓電能變換,並採用較多的電平數去逼近所希望的形,使輸出電壓或電流的質量大大提含量減少。
  19. With resistant function to peak waves and noise by high reliable electronics. rated residual current from 15ma to 500ma. the overload, short - circuit and earth leakage protection function by dual - voltage, high speed and compact size

    過電流保護特性採用有效值控制方式,可防止因高諧波而誤動作,增加其可靠性,此為一般傳統電子式塑殼斷路器所無法達到的功能。
  20. Rated residual current from 15ma to 500ma. the overload, short - circuit and earth leakage protection function by dual - voltage, high speed and compact size. tlb - 50 serise can save the panel space by decreasing 12 size from the traditional 1 pole residential breaker

    過電流保護特性採用有效值控制方式,可防止因高諧波而誤動作,增加其可靠性,此為一般傳統電子式塑殼斷路器所無法達到的功能。
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