諧波場 的英文怎麼說

中文拼音 [xiébōchǎng]
諧波場 英文
harmonic fields
  • 諧 : 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...
  • 波 : 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...
  • 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] （...
  1. If the velocity of atoms is near to zero, the light for ces will tend to confine the atoms near to nodes and antinodes. the stability depends on the magnitude of the negative slope of the light force, the depth of the potential well and the momentum diffusion coefficient. it is important to select the parameters, e. g

    如果通過激光冷卻能使原子速度降至很小甚至為零，光壓力的作用將使原子被較穩定地囚禁于激光駐波場的節點和反節點處，其穩定程度取決于該處光壓力曲線負斜率的大小、對應勢能的勢阱深度以及動量擴散系數的大小，因此，如何在實驗中合理選擇激光強度、失諧量等顯得尤為關鍵。
  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，採用諧波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高溫高發區和三個異常低溫高發區。全區性異常高溫（低溫）階段出現在上世紀80年代后（ 70年代） 。
  3. Through cell ammeter and armature magnetomotive force, we qualitativly analyze that harmonic magnetiv field has influence on motor operating performance, it can ensure whether slot coordination suits well or not

    通過槽電流表和槽磁動勢圖定性地分析電機的諧波磁場對電機運行性能的影響，由此確定電機所選槽配合是否合適。
  4. 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高次諧波發生變化的機制。
  5. The magnetic field requirement of the sth harmonic gyroklystrons over cyclotron resonance masers ( crms ) would be reduced by a factor of s relative to operate on the fundamental cyclotron frequency, so that the amplifier could be applied to highly mobile millimeter wave radar systems

    基於電子迴旋諧振脈塞原理工作的諧波迴旋速調放大器的工作磁場強度是基波的1 / s （ s是諧波數） ，因而能適用於機動性較高的軍用毫米波雷達系統。
  6. The slow - wave characteristics neglecting and taking account of space harmonics ( sh ) for periodically iris - loaded confocal elliptical waveguides are analysed, and the dispersion equation and the mean coupling impedance of this structure are obtained by

    分析了周期膜片加載共焦橢圓波導，在考慮空間諧波和不考慮空間諧波兩種情況下的慢波特性。應用場匹配方法得到這種結構的色散方程和平均耦合阻抗。
  7. On site harmonic measuring work provides not only original first - hand material but also the basis for harmonic treatment

    摘要現場諧波監測工作不僅提供了原始的第一手資料，還為諧波治理提供依據。
  8. The air - gap harmonic magnetic field and its effect on the iron losses are analyzed ; then the design rules to reduce the harmonics and the iron losses are presented ; at last, the sine or approximate sine air - gap magnetic field is constructed with non - homogenous air - gap, and the non - homogeneous air - gap function is presented

    第三部分對永磁同步電動機的氣隙磁場進行了理論分析和電磁場數值計算，分析了永磁同步電動機氣隙諧波磁場的特點和不同轉子結構尺寸對氣隙諧波的影響，提出了削弱氣隙諧波磁場減小損耗的措施。
  9. 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。
  10. This text research the digitalization monitoring method for the medium loss of electric capacitive equipment : the harmony wave analytic approaches, and then adopt the method to test in scene. the result indicate that this method using in the medium loss testing have higher stability and accuracy

    本文研究了電容性設備絕緣介質損耗的數字化監測方法：諧波分析法，並採用諧波分析法在現場進行了測試，結果表明該方法在介損測試中具有較高的穩定性和準確性。
  11. This paper describes mainly system functions, measuring methods, circuit design, software program and errors analysis of a new type of measuring instrument. this instrument can measure and monitor electric parameters in single - phase circuits, three - phase ( three - wire or four - wire ) circuits. this system can be applied to electric devices and power plants, transformer substations with harmonic pollution. it can measure current, voltage, power, energy, frequence, power factor etc. it also can detect load quality, phase sequence, alarm, display and print results, as well as detect and dispose negative power

    該儀器適用於含有諧波污染情況下的機電設備現場、發電廠、供電局、企業變電所現場，可用來測量電流、電壓、有功功率、無功功率、視在功率、有功電能、無功電能、視在電能以及頻率和功率因數等電參數，並具有負載性質（感性、容性）判別，正、逆相序判別指示功能；超限報警功能；列印記錄功能和負功檢測及處理功能。
  12. The generators are of dirp - proof with rotating field type and with the adoption of harmonic excitation system, that allow your easy operation and simple maintenance

    發電機為防滴轉場式，採用諧波勵磁系統，使用安全可靠，維護簡單方便。
  13. In this paper, the harmonic measurement and the harmonic data processing software developed by us are introduced

    論文對現場諧波測試工作中，諧波測試儀的數據接收方式作了改進，並專門開發了諧波數據處理軟體。
  14. Besed on the circuit, electromagnetism and electric power electronics theories, we have done some theory research on the harmonics induced by thyristor commutate circuits of ac - dc locomotive, surge electromagnetism process. we calculate the theory content of harmonics using the fourier arithmetic under thyristor commutate and surge electrmagnetism process

    論文根據電力機車類型的不同，運用電路、電磁場和電力電子學理論研究了交?直型電力機車相控整流時諧波的產生機理、勵磁涌流的電磁過程，並對晶閘管相控整流和勵磁涌流時的理論諧波含量進行了傅里葉分析。
  15. There is a great market demand to utilize the active power filters ( apf ) to reduce the harmonics of the power system and improve the power quality in china

    伴隨著我國電能質量問題治理工作的深入開展，利用有源電力濾波器（ activepowerfilter ，縮寫為apf ）進行諧波治理將會具有巨大的市場應用潛力。
  16. Essential to their utility is the requirement that the evolution of the basic functions through the propagation environment constitutes a simplified problem with an exact or approximate closed form solution to the original wave equation. the evolution of a spatial fourier harmonic through a homogeneous medium is governed by a reduced wave equation, obtained by applying the fourier transform to the helmholtz equation, with a simple and well - known solution - the plane wave

    這些方法均採用一組具有全局特性的基本函數對波場進行分解，如占據整個空間的富氏調諧函數或充滿各個方向的dirac函數（點源） ，並通過求解基本函數滿足波動方程的精確解或近似解來達到波場外推的目的。
  17. The multi - level ( ml ) converter has the advantages such as low voltage stress for power devices, smaller output filters and reduced harmonic content of the output voltage, it is very suitable for high voltage and high power conversion applications

    多電平變換器具有電壓應力低、輸出濾波器小及輸出電壓諧波含量小等優點，特別適合於高電壓大功率的應用場合，近年來正受到越來越多的關注。
  18. By the design of microwave electric field mode and microwave mode converter ( mmc ), the thesis participated in equipping an domestic microwave plasma chemical vapor deposition ( mpcvd ) equipment with a quartz glass window and water - cooled stainless steel resonant chamber in 2450mhz / 5 kw, introduced the basic machineries and functions of the sub - systems, including microwave system, gas - route system, vacuum system, detecting system and safeguard system

    論文通過微波場型和模式轉換器的設計，參與建立了一套2 . 45ghz 5kw帶有石英玻璃窗、水冷卻不銹鋼諧振腔的微波等離子體化學氣相沉積（ mpcvd ）系統（ mpcvd - 4型） 。論述了包括微波系統、氣路系統、真空系統、檢測系統和保障系統等結構的組成及基本功能。
  19. At the same time we obtained that the shg conversion efficiency of the flattened gaussian beam is higher than that of the gaussian beam under the same condition ; in section 3, we have computed the theoretical conversion efficiency of the thg on the flattened gaussian beam, where we also have worked out the type - i and type - 11 ( 1 ) thg conversion efficiency curves versus the same effectors, and found the flattened gaussian beams thg conversion efficiency is higher than that of the gaussian beam too ; in the section 4, we have simulated the field distribution of the shg and thg wave on the flattened gaussian beam

    在相同條件下，得出了平頂高斯光束的倍頻轉換效率高於高斯光束的倍頻轉換效率；第三章對平頂高斯光束在clbo晶體上的類和類混頻轉換效率與其影響因素的關系進行了數值模擬和計算，並同高斯光束進行比較，同樣得到混頻時，平頂高斯光束的轉換效率高於高斯光束的混頻轉換效率的結論；第四章模擬計算了平頂高斯光束的倍頻、混頻波橫向光場的分佈形式，得到了諧波場仍為均勻平頂高斯光束的結果。
  20. We have carried out thoroughly theoretical investigation of the conversion efficiency and the field distribution of the second harmonic generation ( shg ) and the third harmonic generation ( thg ) on the flattened gaussian beam

    本文圍繞著河北省教委基金項目，對平頂高斯光束用於倍頻和混頻的轉換效率以及變頻后的諧波場分佈進行了理論研究。
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