諧波曲線 的英文怎麼說

中文拼音 [xiéxiàn]
諧波曲線 英文
harmonic curve
  • : 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...
  • : 曲名詞1 (一種韻文形式) qu a type of verse for singing which emerged in the southern song and ji...
  • : 名詞1 (用絲、棉、金屬等製成的細長的東西) thread; string; wire 2 [數學] (一個點任意移動所構成的...
  • 曲線 : [數學] curve; bight; bought; profile; net曲線板 french curve; irregular curve; curve board; splin...
  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場的節點和反節點處,其穩定程度取決于該處光壓力負斜率的大小、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、失量等顯得尤為關鍵。
  2. In the section 3, we calculated the threshold and efficiency of double resonance oscillator ( dro ) in plane wave of clbo ; we also got the efficiency curves of clbo in gaussian beam

    第三章分析和數值模擬計算了平面振情況下clbo晶體的振蕩閾值和轉換效率,同時給出了高斯光束的轉換效率並與bbo晶體進行了比較。
  3. Harmonic distortion is one of the most common non - linear distortions, and it affects the playback performance of audio devices directly. harmonic distortion graph reflects the distortion distribution in the whole audio frequency range

    失真是音頻設備最常見的一種非性失真,它直接影響到音頻設備的重放效果,失真圖反映出設備在整個音頻范圍內的失真分佈情況,是衡量設備性能的重要參數。
  4. The capacitance offset averaging network is used in the distributed track - and - hold circuit block of the designed system. finally, according to the analysis on error effects in adc, the mathematics error model is simulated. furthermore, the input - output characteristics including input -

    最後,基於對a / d轉換器系統中誤差的分析,對其誤差數學模型進行了模擬,得到了包含延遲、限幅、失真等誤差的輸入輸出特性
  5. A new waveguide made of changing a wide wall of a rectangular waveguide to a uniform curved wall is called conformal waveguide. a kind of expression of approximate solution for domain mode of the new waveguide, including symmetric, unsymmetric arc, parabolic arch, hyperbolic arch, elliptic arch, etc., is constructed by using boundary condition of mental waveguide, variational method and boundary element method. by using the equivalence principle, an approximate calculating formula for equivalent resonant conductance of a narrow longitudinal halfwavelength slot cut in the curved wall of the unsymmetric arcrectangular waveguide is derived, and the result is shown. although this solution is approximate, it can solve the problem in designing the slotted antenna of such conformal waveguide

    把矩形導一個寬面外突成均勻面構成的新導統稱為共形導.利用金屬導邊界條件、變分法、邊界元素法構造這種新導中主模場的一種近似解表達式,包括面橫截為對稱、非對稱圓弧,拋物弧,雙弧,橢圓弧等.然後根據等效原理,推導非對稱圓弧矩形面上窄的縱向半長縫隙的等效振電導的近似計算公式,給出計算.這種解雖然是近似的,但卻能解決這類共形導縫隙天的工程設計
  6. It can make the analysis report on the basis of the abstract nation standard. based practical analog analysis in some partial power net, obtain the harmonic oscillation characteristic curve, and verify the software is right

    通過對某局域電網的實例模擬分析,結果表明,獲得了振特性,還根據實際測試數據,恢復了電網實際電壓電流形,驗證了軟體的正確性。
  7. But, the measured - data is a very great quantity and every data contain all data of 1 - 25 harmonic, measured time can have hours to days. the count by hand is very heavy and over - elaborate, sometimes the statistics results is error. it won " t reach the analysis purpose and don " t obtain the curve of harmonic oscillation characteristic in a row frequency range

    可是,測試數據經常是大量的,每一組數據又包含從基到25次的所有數據,測試時間可能是幾個小時,有的甚至是幾天時間,這樣的工作量由人工完成是非常繁重的,又是非常繁瑣的,有時還統計不出正確的數值,起不到應有的測試分析目的,更無法獲得連續頻域內的振特性
  8. This paper makes a science analysis to power system " s harmonics and harmonic oscillation in partial power net, develop the analysis software of harmonic oscillation characteristic. make use of this software can obtain the harmonic oscillation characteristic curve in a row frequency range, can discover accurately oscillation, can make an in - depth analysis and statistics and renew the realistic curve of voltage or current on the basis of the measured - data

    本文通過對電力系統及局域電網振現象的理論分析,設計、開發了局域電網振特性分析軟體,利用該軟體可以獲取連續頻域內的振特性,發現準振區域,而且還能根據實際測試數據,正確統計分析出所要求的參數,同時能夠恢復電網實際的電壓、電流形,並能根據國家標準自動生成分析報告。
  9. The analysis results show that : the frequency characteristic curve assumes the downtrend, so the electrical energy measurement of the induction meter will produce biggish error when the content of the harmonic is big, no matter taking the whole energy as measurement standard or basic wave energy

    研究分析結果表明:感應式電能表的誤差頻率特性呈迅速下降趨勢,因此在電能計量中,不管是以全能量為計量標準還是以基能量為計量標準,當含量較大時對感應式電能表的電能計量將會產生較大的影響。
  10. Compared with the induction meter, the electronic meter ' s measurement error is affected diminutively by the change of the frequency, that is to say, the electronic meter has a wide frequency respond characteristic and its error - frequency characteristic curve is flat. therefore, taking the whole energy as measurement standard, the measurement error of electronic meter is less than that of induction meter very much ; while the measurement error of electronic meter is bigger than that of induction meter when taking the basic energy as measurement standard

    和感應式電能表相比,電子式電能表的計量誤差受頻率變化影響較小,具有較寬的頻率響應,誤差頻率特性較為平坦,因此,在存在下以全能量為計量標準時,電子式電能表的計量誤差遠遠小於感應式電能表的電能計量誤差,而以基能量為計量標準時,電子式電能表的計量誤差比感應式電能表的計量誤差大。
  11. By use of the relationships between the hermite polynomial and the laguerre polynomial, the eigenequations of one - dimensional harmonic oscillator and hydrogen atom are conversed into the same equations in form. therefore the relationships between energy levels and wave functions of one - dimensional harmonic oscillator and hydrogen atom are found. through the coordinates transform, the relationships between energy levels and wave functions of two - dimensional harmonic oscillator and hydrogen atom are found

    首先綜述了振子與氫原子的基本理論的研究現狀,並在此基礎上對振子與氫原子的關系展開了研究,通過厄密特方程與拉蓋爾方程的相互轉化,將一維振子與一維氫原子的本徵值方程轉化為相同形式的方程,從而比較得出它們能量及函數間的關系,並通過坐標變換將直角坐標系下二維氫原子的本徵值方程轉化成與坐標系下二維振子的本徵值方程相同的形式,從而得出二維氫原子與二維振子的能量及函數的關系。
  12. In the second chapter, equivalent circuit of the eddy current sensor is firstly analyzed. based on that, the carrier signal generating circuit that is realized by the lc periodic circuit is introduced, thus, the carrier signal of standard frequency is obtained through the trimming capacity. subsequently, the disc type rotational armature generator and the rotational coupling transformer are separately leaded in to realize the power supplies of the carrier signal generating circuit and output of the measuring signal

    在傳感器設計一章中,首先對渦流傳感器進行等效電路分析,在此基礎上分析了由電感、電容振電路構成的載信號發生電路,並通過微調電容獲得了標準頻率的載信號;接下來提出了採用盤式旋轉電樞發電機解決載信號發生電路電源供給問題的方案,同時通過旋轉耦合變壓器的引入,使得測量信號輸出問題很好地解決;本章最後給出的一組實驗充分說明了這一方案的可實現性。
  13. Based on these foundations, we give a perfect scheme of the bbo opos : single pass amplification coefficient of the opg under different pump intensity is calculated ; collinear type - i and type - ii phase matching tuning curve pumped by the q switch nd : yag various harmonics as well as noncollinear type - i tuning curve are calculated in details ; the effect of the walkoff for the nonlinear effect coefficient and the group velocity matching are analyzed ; the acceptance angle in parametric process is calculated ; the numerical threshold of the bbo opo is calculated ; the process of the saturation and depletion of the pump beam are analyzed ; the relationship of the conversion efficiency and reflectance of output mirror are discussed ; various linewidth controlling methods are discussed ; the improvement of the beam quality applying the unstable cavity is discussed ; and the crystal bbo design is considered

    在此基礎上,給出了一整套bbo - opo激光參數設計方案:計算了不同泵浦強度下的參量放大倍數;詳細計算了在nd : yag調q激光器各次泵浦條件下的共類和類相位匹配的調,以及非共類相位匹配調;分析了走離角對非性系數和群速匹配的影響;計算了參量過程的允許角;計算了bbo - opo的理論閾值條件;分析了飽和與泵浦光束的消耗過程;給出了轉換效率與超過泵浦閾值的倍數的關系;討論了轉換效率與輸出鏡反射率的關系;討論了寬控制的各種方法;研究了利用非穩腔改善光束質量的方法;考慮了bbo晶體的設計。
  14. This paper begins with the calculation of the stator ' s resonance frequency, deals with the design and manufacture of motor, and puts forward dual nut structure of traveling wave revolving ultrasonic motor, and presents the analysis of the contract between rotor and stator in the manufacturing process, relation between the amplitude of voltage - ceremic chip and drive sources. the conclusion is that amplitude is affected by deviation of resonance frequency

    同時分析了電動機的加工工藝,對超聲電動機製造過程中功率與接觸角和振幅與驅動電源的關系進行了討論,得到了接觸角與輸出功率的關系,以及超聲電動機的振幅主要受電壓和激振頻率偏離定子環第2n階振頻率的偏離量確定。
  15. First, the frequency - temperature ( f - t ) characteristic of quartz crystal resonator is analyzed. then, the frequency - temperature ( f - t ) characteristic curve of at - cut quartz crystal resonator ( at cut angle : 3 = 0, 1 = 35 6 ) is obtained based on analyzing the christoffel equation describing flexibility sound wave in solids, which serves as the theory basis used for temperature compensated, from which the actual circuit of oscillatory circuit is designed

    首先對石英晶體振器的頻溫特性進行分析,然後通過求解描述固體中彈性聲的christoffel方程,得到其在切角3 = 0 , 1 = 356處也即at切石英晶體振器的頻率溫度特性,這是本文進行溫度補償的理論依據。
  16. On the basis of this, the effective reflective index with the variation of the carrier density is discussed. this paper also analyzed the random facet phase and the length of the cavity ' s influence on threshold characteristic. especially, the wavelength tuning characteristics have been investigated in detail when one segment works as absorbed region

    在此基礎上,研究了每一段等效反射率譜隨載流子濃度變化的情況;分析了邊界相位的不確定性以及激光器腔長對閾值特性的影響;重點討論了其中一段工作在吸收狀態下的長調性質。
  17. We have calculated the type - i and type - ii angle tuning curves of clbo according to the momentum and energy conversion laws, and the sellmeier equations of clbo. by comparing to that of bbo, we can see that the shortest wavelength of clbo is shorter than that of bbo both in type - i and type - ii phase - matching, especially in type - ii. from it we can see clbo is really a new kind of nlo crystal in opo

    從動量、能量守恆和clbo晶體的sellmeier色散方程出發,給出了clbo晶體、類相位匹配的角度調,並與bbo晶體進行了比較,得到了在類相位匹配和類相位匹配情況下, clbo晶體的最短長都比同等條件下的bbo短的結論,尤其在類相位匹配時性能更加優良。
  18. Then we get some results : the curves of wavelength tuning properties are shown as a near - linear dependence on the applied voltage, and the tuning rate is larger with the duty - cycle decreasing when the voltage applies on the dual domain ; on the contrary, the - tuning rate is smaller with the duty - cycles decreasing when the voltage applies on the single domain

    得到一些對實驗有指導意思的結果:得出電壓和長調近似呈性關系,在雙疇加電壓情況下,占空比越小調速率越大,而在單疇加電壓情況下,占空比越小調速率也越小,剛好與雙疇加電壓的結果相反。
  19. The results show that the temperature variety in prestress concrete could not been neglected. the main factors that affect the temperature distribution had been analyzed basing on experiment results and much datas of environment variety, and provided a simple curve about periodical variety environment temperature

    在現場試驗研究和其它的環境溫度的大量實測資料的基礎上,對影響預應力混凝土構件內部溫度分佈的主要因素進行分析,提出了周期性變化的環境溫度可在數學上簡化為一條簡單的簡諧波曲線
  20. In chapter four the effects of a static electric field and different initial states on hhg are studied. under an additional electric field the spectrum exhibits a double - plateau structure. furthermore, the ionization probability and hhg also behave differently when the hydrogen atom is in different initial states

    在第四章中,我們研究了外加平行靜電場以及初態的不同對電離率和高次的影響,發現附加一適當的靜電場會使諧波曲線呈現一雙平臺結構,電離率會隨著電場強度的增大而增大;當氫原子在初始時刻處于不同態時,根據選擇定則,諧波曲線和電離率都會有較大差別。
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