諧波諧波的 的英文怎麼說

中文拼音 [xiéxiéde]
諧波諧波的 英文
harmonic
  • : 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...
  • : 4次方是 The fourth power of 2 is direction
  1. Monitor apparatus can measure valid value of three phase voltage and current, power factor, three phase disequilibrium, instant flecker of short time and harmonic without twenty, degree and harmonic distortion total. the paper are laid on the following. ( 1 ) master plan and function of circuit, ( 2 ) hardware design including circuit and principle of a / d conversion, phase lock, liquid crystal display and keystroke and so on, ( 3 ) design of system software including digital filtering, fft, a / d conversion and monitor interface of pc, ( 4 ) system test

    監測儀能夠完成包括三相電壓、三相電流有效值、功率因數、三相不平衡、電壓短期閃變、以及20次內相位、失真總量等測量。論文重點介紹了以下幾部分: ( 1 )電路總體設計和功能; ( 2 )硬體設計,包括a d轉換、鎖相環、液晶顯示和按鍵輸入等原理和電路。 ( 3 )系統軟體設計,包括a d轉換、 fft 、數字濾等程序原理和演算法以及上位機監控界面設計; ( 4 )系統測試。
  2. Research on harmonic compensation using synchronous machines

    同步電機實現補償研究
  3. The smart rotor with active trailing edge is a new system for reducing the vibration which can adjust the air load of the blade to actively counteract the main harmonic of the force to the fuselage by controlling the deflection of the trailing edge

    主動后緣附翼控制是一種較新旋翼減振系統,它通過控制后緣附翼偏轉,調節槳葉氣動載荷,實現對機體激振力主要分量主動抵消。
  4. 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

    利用雪崩效應中強烈非線性電感特性,基於非線性器件提取思想,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。
  5. This paper analyses the harm of power system harmonics. it also points out the significance of harmonics measuring and the developing condition of harmonics measuring device, and points out the significance of the research of this paper

    論文分析了電力系統產生原因及其危害,指出測量重要意義及測量裝置發展狀況,說明本論文研究重要意義。
  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

    通過對某局域電網實例模擬分析,結果表明,獲得了振特性曲線,還根據實際測試數據,恢復了電網實際電壓電流形,驗證了軟體正確性。
  7. Least square method based measurement of sine wave total harmonic distortion

    基於最小二乘法正弦失真度測試
  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磁場特點和不同轉子結構尺寸對氣隙影響,提出了削弱氣隙磁場減小損耗措施。
  9. In accordance with the condition that the higher harmonic overproofs in the 110kv substation in chucun cangzhou and the request that voltage - reactive power overall control will be realized in the whole substation, this paper focuses on how to bring substation harmonic and voltage - reactive power under control, and puts forward solutions and technical measures

    針對滄州楮村110kv變電站存在高次超標情況,以及實現全站電壓無功綜合控制要求,本論文重點研究了變電站治理和電壓無功控制問題,提出了解決方案和技術措施。
  10. Nonlinear dynamical character of ship rolling investigated by harmonic wavelet transform

    變換法研究船舶橫搖非線性動力特性
  11. In addition, the c1ose - - 1oop cofltro1 part is devised, u1timate1y getting the pure sine wave with high rate of voltage use and 1ow distortion of harmonic wave

    此外,還設計了閉環控制環節,最終得到具有高電壓利用率和低失真純凈正弦
  12. Point originally possessed the harmful interference of the frequency s every kind of times. enlarge 1 khz sine wave the hour will produce 2 khz of two times wave with 3 khz of three times wave wave for and much higher time

    指原有頻率各種倍頻有害干擾。放大1khz正弦時將會產生2khz二次和3khz三次以及許多更高次
  13. Based on the adaptive interference canceling theory and the concept of space vector, an adaptive fundamental positive / negative sequence component and harmonic component detecting method is developed. due to the close loop structure, this method has quite good robustness, and can meet the requirement of the asymmetrical control of hvdc - vsc well

    運用自適應干擾對消原理和空間矢量概念,提出了一種基正序分量、基負序分量及分量自適應檢測方法,並進行了詳細理論分析,為研究hvdc - vsc不對稱運行控制奠定了基礎。
  14. It is necessary to study the mechanism of harmonics generation, make sure the content and distribute of harmonics current in order to alleviate their harm to traction power system ' s component, equipments of protect and measure as well as other customer ' s electronics equipments

    為了從根本上抑制電力牽引負荷帶來影響,削弱對牽引供電系統主元件、保護測控裝置和其他用戶電子設備影響,有必要研究電氣化鐵道牽引產生機理,確定饋線電流含量與分佈狀況。
  15. In practical studies, finally, a hybrid active power filter based on the digital signal processor ( dsp ) and intelligent power module ( ipm ) was set up, including a cycloconverter acem. based on the experimental set - up, plenty of experimental studies were conducted. the experimental results demonstrate that the self - adaptive technique, the topology of series connected hybrid power filter and the corresponding significant technologies described above are feasible and practical

    最後,實際研製了一套以dsp (高速數字信號處理器)和ipm (智能功率模塊)為核心小功率混合型有源濾裝置,在交交變頻acem實驗平臺上進行了全面實驗研究,充分驗證了本文所提出自適應同步相關濾技術、優化混合型濾器拓撲結構和有關關鍵性技術正確性和實用性,從而從理論到實踐全方位、成功地實現了對交流勵磁發電機輸出電力抑制研究。
  16. 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效應是影響位相重要因素;像差在非線性光學過程中傳遞結果不是線性疊加,而是非線性
  17. So the result is more accurate than old methods. the result of structural energy response based on wavelet provides a practicable method for structure design and design energy dissipation system in structure, this chapter ' s analysis and contrast tell us littlewood - paley wavelet is not suitable for analyzing energy of earthquake ground motion and structural energy response. on the purpose of calculating energy, meyer wavelet must be modified so that its frequency integral is a constant, the result of energy by modified meyer wavelet and harmonic wavelet is practicable, only the later is bigger but in the same energy level

    通過三種小基( littlewood ? paley小、 meyer小)下地震地面運動能量分析以及結構地震能量反應分析說明:直接通過加速度記錄可以求得地震動能量,由於小系數中同時含有時域和頻域能量,由此得出能量比以往方法更準確;在此基礎上求得了結構能量反應時程,為結構設計及結構中設計耗能體系提供了具體方法;通過這一章對比分析得出, littlewood ? paley小不適合於作地震動能量分析和結構能量反應分析。
  18. Areas covered in the review include bonding requirements, lightning protection requirements and harmonic current limits requirements. we are updating the reference list for international standards and adding an index page for quick reference

    今次修訂內容包括等電位接駁要求、避雷系統測試方法及電流限制,並更新國際標準參考資料及新加索引等。
  19. Proposed new method to enhance high - order harmonic generation conversion efficiency through atomic coherent states

    提出用原子相干態來提高高次效率新方法。
  20. Have studied generator ground model mostly used in detail for middle and big domestic generator units. calculates and deduces fault current as grounding of single phase and third harmonic fault protection schemes. first time contributes overall knowledge about generator neutral grounding of distribution transformer with secondary resistor, in which considered inductance of the transformer to people

    針對大中型發電機兩種主要接地方式進行了分析,進行了接地故障電流、三次保護計算推導,首次在接地變高阻接地方式有關公式推導中計入接地變感抗,從而使人們對接地變高阻接地認識更為全面。
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