諧波效應 的英文怎麼說

中文拼音 [xiéxiàoyīng]
諧波效應 英文
harmonic effect
  • : 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...
  • : Ⅰ名詞(效果; 功用) effect; efficiency; result Ⅱ動詞1 (仿效) imitate; follow the example of 2 ...
  • : 應動詞1 (回答) answer; respond to; echo 2 (滿足要求) comply with; grant 3 (順應; 適應) suit...
  • 效應 : [物理學] effect; action; influence
  1. The key components in laser gyro is he - ne ring laser, and the reciprocal action theory between light and medium is the base in studying the ring laser, use the lamb half classical theory, and on the base of density matrix theory, the optical brounch equation was established, which described the movement of amplifying medium atom in the ring syntonic cavity, and according to the medium polarize theory the self consistent equations was deduced, which describe the light intensity and phasic of the counter - propagating wave. on the basis of this equations, adopted the simulation software matlab and virtual instrument programming language labwindows / cvi, we can do some simulated experiments in study the phenomenas such as amplify and dispersive characteristic of medium, mode pushing effection, burned hole effection and pattern competition, lock - in of frequency and the characteristic of light intensity and phasic of the counter - propagating wave in laser gyro

    激光陀螺的核心部件為he - ne環形激光器,而掌握光與介質的相互作用理論是研究激光器的關鍵,採用拉姆半經典理論為主,在密度矩陣理論的基礎上,推導環形振腔中描述he - ne氣體增益介質原子運動的光學布洛赫方程,運用介質極化理論得出描述激光陀螺反向行的光強、位相所滿足的自洽場方程組,在此基礎上,運用matlab模擬軟體和虛擬儀器編程語言labwindows / cvi ,對激光陀螺中的介質增益色散特性、頻率牽引、燒孔及模競爭、閉鎖及環激光的光強和相位特性進行模擬試驗研究,並且運用全量子理論,對激光工作原理進行分析,得出二能級系統單模輻射場的光子數密度分佈,得出激光場的光子統計分佈,模擬激光場的動態建立過程。
  2. It is the harmonic resonance of these archangelic letters with both the higher vibratory frequency patterns of god ' s name, and the elements of the lesser creation worlds, which allows this synchronization to occur

    這就是這些大天使字母共振,既具有上帝名稱更高級振動頻率模式,又具有較少的創造世界的大自然力量,大自然力量保證了同步性發生。
  3. At first, the character of millimeter wave and frequency multipliers in millimeter wave band is introduced. based on the principle of harmonic frequency extraction in nonlinear device, we present the avalanche diode high order frequency multipliers in w band

    利用雪崩中強烈的非線性電感特性,基於非線性器件提取的思想,對倍頻器電路進行了優化模擬,採用雪崩倍頻二極體研製了w段雪崩高次倍頻器。
  4. Because massive harmonic interference in the electrical network, it causes signal - sampling to include the very big harmonic in the measurement system, for eliminating measurement result influence by harmonic, the paper has an in - depth study of fourier transformation harmonics analysis measurement principle, analysis the forming reasons of frequency spectrum leakage and railing effect during measurement, achieves phase locked loop and frequency multiplier technique to realize integer - period synchronous sampling and eliminate impact of frequency spectrum leakage and railing effect in the result of measurement, and investigates in depth theory on phase locked loop and frequency multiplier technique, gives the method of realizing phase locked loop and frequency multiplier technique

    由於電網中存在大量的干擾,導致測量系統中取樣信號也含有很大的,為了消除對測量結果的影響,論文深入研究了傅立葉變換分析法的測量原理,分析了測量中頻譜泄漏和柵欄形成的原因,提出了採用鎖相環倍頻技術實現信號的整周期同步采樣,消除頻譜泄漏和柵欄對測量結果的影響,並對鎖相環倍頻技術的理論進行了深入研究,給出鎖相環倍頻技術的實現方法。
  5. It can reduce the harmonic or harmonic oscillation in public power net to take some effective measures by making use of this software, and finally reduce the power system accidents and cease time, improve power quality. it is wide application in the future

    用該軟體的分析結果採取有防範措施,可以預防或減少源進入公用電網,減少或降低振,進而減少電力事故和停電時間,提高電能質量,用前景十分廣闊。
  6. Also a prototype for the boost two - level converter is built. the experimental results show that the boost tl converter has lower input current harmonics than the boost two - level converter, and it can satisfy the limits specified in rtca do - 160d. so the boost tl converter has the potential to apply in the future variable frequency ac airborne system ranged from 360hz to 800hz

    並完成一臺boostpfc變換器進行實驗對比,實驗結果表明,相比于boostpfc變換器, boosttlpfc變換器能有地減小電流使其滿足相標準rtcado - 160d ,所以它適合於即將採用360hz - 800hz變頻交流供電體制的航空電網。
  7. Multilevel inverter technology is a pop research in high voltage and high - power converting fields. it can synthesize multilevel output with the distribution of dc voltage and the combination of different switching actions to reduce voltage stress across the switches and bulk of the equipment, and lessen output harmonic distortion and switching loss of the inverter

    多電平逆變器是當前高壓大功率電能變換領域中的研究熱點之一,它通過對直流側的分壓和開關動作的不同組合,實現多電平階梯輸出電壓,能有地減小器件承受的電壓力,縮小裝置體積,減小輸出電壓和開關損耗。
  8. Secondly, the dissertation presents more valid and practical project of harmonic analysis based on the several problems of different algorithms

    其次,針對諸種演算法用中存在的若干問題,提出了一種更有實用的分析演算法及其實施方案。
  9. The numerical work gives out lot of results of different aberrations. the effects of the fundamental wave ' s aberrations, which will change the conversion efficiency, distribution of intensity and phase in the frequency conversion, is analyzed

    研究結果表明位相失配和走離是影響位相的重要因素;像差在非線性光學過程中傳遞結果不是線性疊加的,而是非線性的。
  10. The first order nonlinear hyperpolarizabilities in second - harmonic generation process and electro - optical pockels effect are computed. the basis set effects in ab - mitio quantum - chemical computation are mainly studied. the correction to the nonlinear optical properties due to the electronic correlation energy is discussed and the relationship between the first order hyperpolarizabilities and the frequencies of the external electric field is also investigated

    計算了二次振蕩過程和電光pockels過程的一階非線性超極化率,研究了電子的相關能對pna分子的非線性光學性質的影響以及pna分子的一階非線性超極化率與外加光電場頻率之間的色散關系,並著重討論了量子化學從頭計算中基矢組的選取對計算結果的影響。
  11. So power systems harmonic analysis is a significant aspect of power systems research. power system harmonic analysis was realized usually with fast fourier transform ( fft ), but the method exits spectrum leakage, and can not analyse all harmonic parameters exactly, such as frequency, amplitude and phase, in particular has big phase error

    電力系統分析通常都是通過快速傅立葉變換( fft )實現的,但是這種方法存在柵欄和頻譜泄漏,使計算出的參數即頻率、幅值和相位不準,尤其是相位誤差很大,無法滿足準確的測量要求。
  12. As we know, usually the wavelength tuning of the qpm - opo is achieved by changing the crystal temperature, but the response is not fast. in this paper we demonstrate the wavelength tuning of the qpm - opo by the electro - optic effect for the fast wavelength tuning

    我們知道,基於ppln的qpm - opo的長調制通常可以通過改變晶體的工作溫度來獲得,但是這種靠溫度的調速度不快,本文給出了一種利用電光外加電壓快速調長的方法。
  13. It mainly includes following aspects : in this paper, firstly implication of wavelet analysis in signal harmonic component extraction is presented in detail, and on this foundation signal given frequency band component extraction method is proposed. then we investigate frequency aliasing phenomenon, reason why frequency aliasing phenomenon is easy happened when wavelet is implied in field of motor fault diagnosis, and frequency bands where frequency aliasing phenomenon is easer happened, and put forward approved morlet wavelet analysis method which can effectively alleviates frequency aliasing phenomenon. third we set up vibration signal detected system, design experiments to obtain three groups of fault signals : eccentricity fault, mixed fault of eccentricity plus mild rub, mixed fault of eccentricity plus moderate rub, and process these data using analysis method proposed in this paper

    首先對論文的選題以及相關背景進行了探討,並對相關的小基礎理論進行了闡述,主要針對感電動機的偏心故障和偏心+碰摩復合故障形式及相關的用演算法進行了詳細探討,主要工作內容包括下面幾個方面:在論文中,首先對小分析在信號的分量提取中的用進行了研究,在此基礎上,提出了信號的特定頻帶成分的提取方法;研究了小分析的頻域混疊現象,探討了小分析用於電機故障診斷領域時易發生頻域混疊現象的原因,以及混疊現象較易發生的頻帶,提出了可以有減輕頻域混疊現象的改進的morlet小分析方法;搭建了振動信號檢測系統,設計實驗採集得到三組故障數據:偏心故障,偏心+輕微碰摩復合故障,偏心+中度碰摩復合故障,並對這些數據用本文提出的分析方法進行信號處理,提取出的特徵參數可有區分這兩種故障形式;研究了基於matlab和labview的混合編程方法,完成了電機故障檢測系統的軟體開發。
  14. The core of the piezoelectric ultrasonic motor, piezoelectric ceramic is systematically researched. based on the piezoelectric effect, the piezoelectric equations are derived. from the piezoelectric equations, the important parameter of the piezoelectric ceramic ' s physical performance and the system equations of the vibrator are derived

    深入地研究了超聲馬達的核心元件? ?壓電陶瓷,從壓電著手,推導了壓電方程,得到了描述壓電材料物理特性的幾個重要參數,並導出了壓電振子及壓電陶瓷的系統方程,論述了壓電振子的振動模態及振特性。
  15. This paper explicitly describes the optical measurement of the electric parameters in the high - voltage electric power system, and an optic fiber large current sensor based on farady magnetooptic effect and an optic fiber high voltage sensor based on the linear transformation characteristic of led are developed from research on both theory and experiments. by combining the two sensors to form a synchronous system, the task of harmonic analysis, phase demodulation, power and wattless power computation is accomplished, which helps to monitor and control the electric power system

    本文詳細論述了電力系統高壓電網電參量的光學測量的一種實現方法,從理論和實驗兩方面研究了基於farady磁光的光纖電流傳感器及基於led線性電光轉換特性的光纖電壓傳感器,並聯合兩種傳感器形成了電壓、電流的同步測量系統,實現了分析、鑒相及有功、無功功率的計算,可對電能質量進行監控。
  16. Such saturation will reduce the efficiency of the circuitry employing the inductor and is liable to increase noise and harmonic generation

    飽和現象會降低電感在電路中有的能,由此可能導致電路噪聲增大,並產生
  17. From theoretical analysis, we know the existing demodulation methods have limitations as following : one is that the subtraction of the two signals frequencies will display as the result of demodulation when we demodulate two time - domain adding signals without modulating information ( fault information ) ; the other one is that aliasing phenomenon will occur as a result of getting absolute value, detection or square in the process of generalized demodulation analysis, such phenomenon will result in some superfluous frequency composition on the frequency spectrum, which will puzzle the detec tion of mechanical vibration. if the sampling frequency is selected from a suitable range, the aliasing phenomenon will be avoided ; the last one is that aliasing frequencies will be produced in zoom demodulation analysis because this algorithm cannot employ digital low - pass filtering to avert the folding frequencies of higher harmonics in the process of zoom sub - sampling

    現有的解調分析方法存在以下三種局限性:將不包括調制信息(故障信息)的兩時域相加信號,也以其頻率之差作為解調信號而解出;廣義檢解調分析中,由於取絕對值、檢或平方過程可能產生混頻,在解調譜中表現為無法分析的頻率成分,並由此推導出避免這種混頻現象的采樣頻率的選取范圍,從根本上避免此類誤診斷的產生;幾種細化解調分析新演算法中,因為無法在細化分析的選抽時進行數字低通濾,有可能會出現調制頻率的高次成分發生頻率混疊而反折到低頻部分的現象。
  18. The resonance network is connected to the gate, then the output and input matching network is designed to satisfy the oscillation criteria. then harmonic balance method is used to analysize and optimize the output power and phase noise. to minimize the load pulling effect a buffer amplifier is designed to isolate the oscillator and the load

    本文在場管fet柵極上加上振網路(振網路是通過cst模擬得到的,它是串聯反饋迴路,介質工作在te01模,對于其後的fet ,它又相當於一個帶阻濾器) ,然後設計輸入輸出匹配電路,使電路結構滿足起振條件,之後繼續用平衡法模擬和優化,使振蕩器輸出功率合適,相位噪聲很低。
  19. In the part of the experimental designs, a experimental configuration of an unstable cavity by use of two bbo crystals compensating the walkoff effect and pumped by reflection is presented, and two set of controlling systems designs of open and closed loop are also presented ; we realized closed loop controlling system of bbo optical parametric oscillator tuning system, by using american general scanning inc. ' s controller to control bbo crystal ' s rotation, and scaled the output wavelength with charge coupled device

    在實驗設計上給出了利用兩塊bbo晶體補償走離返回式泵浦非穩腔的實驗設計,設計了開環和閉環兩套控制系統。通過使用美國通用掃描公司的掃描頭控制bbo晶體的轉動,用ccd對bbo - opo輸出長進行標定,實現了bbo - opo調系統的閉環控制,相對長調誤差小於0 . 04 ,並給出了354 . 7nm泵浦的類相位匹配bbo - opo輸出長隨晶體轉角變化的理論和實驗曲線。
  20. The low - frequency slot harmonic modulation is used to weaken the end effect or decrease the wave of the thrust, and the many projects are designed or the better project is selected

    採用齒低頻調制的設計方法,來削弱直線電機固有的端部,使推力的動減小,並進行了多方案計算,得出比較好的設計方案。
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