諧波吸收 的英文怎麼說

中文拼音 [xiébōxīshōu]
諧波吸收 英文
overtone absorption
  • 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...
  • 吸 : 動詞1 （把液體、氣體等引入體內） inhale; breathe in; draw 2 （吸收） absorb; suck up 3 （吸引） a...
  • 收 : Ⅰ動詞1 （把攤開的或分散的事物聚集、合攏） put away; take in 2 （收取） collect 3 （收割） harvest...
  1. Two fundamental approaches, differential optical absorption spectra ( doas ) and wavelength modulation harmonic measurement, for gas light absorption detection are discussed

    分析了波長調制諧波檢測技術和差分吸收檢測技術兩種弱信號檢測方法。
  2. This paper focuses on the control strategies to improve the performance of the three - phase ac - dc pwm voltage - source - converters ( vsr ) under unbalanced power supply. the problems such as negative sequences current, voltage and current harmonics and un - constant ( un - smooth ) power flow from ac to dc side are discussed in this paper. the analytical solutions for negative sequence current and harmonic current elimination are obtained by fully feed - forward of negative sequence voltage and producing a non - harmonic current command of the inner - loop

    電網不平衡時，基於電網平衡為約束條件設計的三相vsr將出現不正常運行狀態，比如三相vsr交流電流中出現負序分量，使交流電流嚴重不對稱；直流電壓和交流電流中出現非特徵諧波分量，使直流電壓和交流電流波形發生嚴重畸變；三相vsr從電網吸收不平衡的瞬時功率等一系列問題。
  3. Some researches about frequency doubling are made, and two methods to improve intensity of second frequency generation are given. we realized q - switched 532 nm laser, by using nd : gdvo4 as laser crystal, using cr4 + : yag as saturable absorber, using ktp as intra - cavity frequency doubling crystal. average power of 109mw, repetition of 40khz, pulse width of 30ns, pulse energy of 2. 6uj, peak power of 91w are obtained

    4 .對倍頻理論進行研究和分析:討論兩種提高二次諧波功率密度的方一法;實驗匕在國內首次實現ld端面泵浦nd : gdvo4 / ktp ，用cr4 + : yag作為可飽和吸收片的綠光激光器，腔內倍頻得到了平均功率為109mw 、重復頻率為40khz 、脈寬為3ons 、單脈沖能量為2 . 6閃、峰值功率為glw的調q綠光輸出。
  4. Different measurement standard produce the estimate for the meter ' s measurement error. the theoretic analysis shows that the non - linear load is harmonic source, and the harmonic produced by it is transformed by part of basic wave absorbed by it from power system, therefore, traditional measurement mode has some

    通過對非線性負荷的理論分析表明，作為諧波源，非線性負荷所產生的諧波是吸收基波的一部分轉化而來，從而說明傳統的計量方式具有不合理性，提出相應的解決方法和對策，並建議一種新的電能計量方式供同行研究探討。
  5. 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曲線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波長調諧性質。
  6. Error analysis and improvement method of concentration measurement of trace gas in the atmosphere by differential optical absorption spectroscopy

    基於可調諧二極體激光吸收光譜學對二次諧波檢測噪聲分析研究
  7. Solid - state dye lasers exhibit some attractive features as compared with conventional liquid - dye lasers, such as lack of toxicity and flammability, compactness and low - cost gain medium which, in addition to being an essentially maintenance - free system, make them suitable for applications in field such as medicine, remote sensing and spectroscopy

    染料激光器因具有波長調諧范圍寬、輸出功率高、吸收和增益容易控制等優點，在醫療、遙感、光譜分析等領域得到了廣泛應用。與液體染料激光器相比，固態染料激光器結構緊湊、應用簡便、無污染、成本低，因此染料固態化是人們一直以來研究的目標。
  8. ( 3 ) ln the fourth chapter of this dissertation, a tunable single - longitudinal - mode erbium doped fiber ring laser is achieved by using the very narrow bandpass characteristics of the self written grating formed in a section of erbium doped flber withoat undergoing pumping by stable standing wave in it. tl1e tunable laser ' s wavelength tuning range is 40nm, from l 523. 79llm to l563. 92nm

    三、在本文第四章，利用駐波干涉和飽和吸收誘發的自寫入光纖光柵的窄帶濾波特性及反射波長自適應特性，研製成可調諧摻鉺光纖環形腔單頻激光器，其波長連續可調諧范圍達40nm （ 1523 . 79nm ?安激大學碩士學位論文摘要1563
  9. Noise analysis of second - harmonic detection with tunable diode laser absorption spectroscopy

    可調諧二極體激光吸收光譜二次諧波檢測方法的研究
  10. The study of remote sensing ch4 concentration based on tunable diode laser absorption spectroscopy

    波段可調諧二極體激光吸收光譜的二次諧波檢測研究
  11. However these converters become more complicate. phase - shift zvs technique has been used in bidirectional dc / dc converters since it can realize zvs for all switches without auxiliary switches. however when the amplitude of input voltage is not matched with that of output voltage, the current stresses and rms currents of the converters become higher, in addition the converters can not achieve zvs under light - load condition

    諧振、準諧振或多諧振技術方案，變換器的電壓電流應力較高，變頻控制增加了濾波器設計的難度；能量緩沖吸收電路或有源鉗位電路方案，由於需要增加多個額外輔助元件，增加了變換器的復雜性；全橋相移技術方案，由於主電路無需增加額外元件，只需利用相移控制，即可實現軟開關，因此引起關注。
  12. Svc ( tcr ) is adopted reactor in series with thyristor controlled by trigger to absorb reactive power, at the same time, equipped with harmonic filter in order to mitigate harmonic

    Tcr靜止型動態無功補償裝置通過對串聯于電抗器迴路上的可控硅電路實施有效控制從而達到控制電抗器吸收的無功功率，同時採用濾波器支路進行諧波的綜合治理。
  13. It is deduced theoretically that non - linear load, rather than linear load, generates harmonics, which translates part of fundamental reactive power absorbed from power system into harmonic reactive power injected into the power system. the rationality of electric power measurement for linear and non - linear load is studied, and as a result some rational advices are addressed here

    從理論上推導了線性負載不產生諧波，非線性負載將吸收的部分基波功率轉化為諧波功率注入系統，並對電能計量準確性和合理性做了一些探討，最後提了一些無功的收費意見。
  14. Ytterbium ( yb ) - doped silica fibers have a broad - gain bandwidth ( 850 ~ 1050nm ), excellent power conversion efficiency, and a broad - absorption bandwidth ( 900 ~ 1200nm ). their ability to provide amplification over the very broad wavelength range from ~ 975nm to ~ 1200nm is expected to generate increasing interest in the near future. they offer an almost ideal gain medium for the fiber lasers and fiber amplifiers that work at the wavelength around 1 m

    摻鐿石英光纖具有幾個方面的優點，如能級結構簡單，與摻er3 + 、 nd3 +等稀土離子的光纖相比，不存在對泵浦光或信號光的激發態吸收（ esa ） ，可以有更高的摻雜濃度;有較寬的吸收光譜（ 850 ~ 1050nm ） ，可以利用多種泵浦光源來設計泵浦方案;輻射光譜寬（ 900 ~ 1200nm ） ，激光輸出波長可以有很寬的可調諧范圍。
  15. The active power filter, which can compensate simultaneously the harmonics and reactive power of non - linear loads, is good method to eliminate the harmonic pollution in power system

    採用有源濾波器就地吸收諧波源所產生的諧波電流，是消除或限制電力系統諧波污染的一種有效的措施。
  16. After the nonlinear and absorption effect is taken into account in the applications where high power ultrasonic is involved, the first and second harmonic components of the sound field of stepped circular plate is analyzed, based on the kzk equation and quasi - linear condition

    考慮到大功率超聲應用中的非線性和吸收作用，本文從kzk方程和準線性條件出發，對于工作在共振頻率下的這種階梯圓盤，推導了它的一階和二階諧波聲場計算方法。
  17. The former has compact structure ;, little cavity loss, higher coupling efficiency, and higher superposition efficiency. but there is no enough room for other devices. the latter overcome this problem, but the diffraction loss and mirror loss is increased

    六鏡環形諧振腔可以確保角度很小，但總腔長較長，腔內衍射及腔鏡吸收和不完全反射造成的損耗較大，同樣很難得到穩定的雙波長激光輸出。
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