harmonic components 中文意思是什麼

harmonic components 解釋
諧波分量
  • harmonic : n 1 【音樂】泛音；和聲。2 〈 pl 〉【數學】諧函數，調和函數。3 【物理學】諧波，諧音。adj 1 和睦的...
  • components : 部件
  1. Mixers are the key components of many microwave and millimeter - wave systems. the super - heterodyne receiver is always applied in modern communication system, mixer becomes the key component as is at the first part of system. but it is more and more difficult to get the choiceness lo source of the same band with the system is working at high frequency especially in the millimeter - wave. sub - harmonic mixer is a good solution to this problem now. in this circuit we need just half 、 quarter 、 even 1 / 8 of the rf signal frequency. in this paper the design and fabricate of sub - harmonic hmic mixers ( 2, 4 ) at w - band are introduced

    混頻器是微波通信、射電天文學、雷達、等離子物理、遙控、遙感、電子對抗，以及許多微波測量系統中至關重要的部件。在現代通信系統中，毫米波頻段通常採用超外差接收機，混頻器作為第一級就成為關鍵部件。由於在毫米波頻段，同頻段高性能的本振源成本高，技術難度大，採用分諧波混頻技術是解決此問題的有效途徑，只需射頻頻率1 / 2 、 1 / 4甚至1 / 8的本振頻率即可實現混頻。
  2. There is an infinite number of harmonic-frequency components.

    這里存在著數目無窮的諧頻分量。
  3. We now take digital circuit approaches to realize the algorithms, i. e. using microprocessor to calculate harmonic components. so as to overcome disadvantages of analogy circuits, for example, instable circuit parameters, low calculation accuracy, inconvenient regulation and low integration level

    在演算法實現上，採用數字方式，即採用微處理器進行數值計算，克服了模擬電路元件參數不穩定、計算精度差、調節不方便和集成度低等缺點。
  4. The point of common coupling ( pcc ) is a bus which connects the customer and utility. the research of harmonics and its components at pcc is a valid way to distinguish the responsibility between customer and utility and to manage the harmonic producer

    公共耦合節點（ pcc ）是聯繫系統和用戶之間的那條母線，研究公共耦合節點處的諧波含量及其中的諧波成分是明確用戶和系統責任所在以及管理產生諧波用戶的一個行之有效的方法。
  5. This paper presents a three - phase harmonic power flow algorithm using phase components and back - forward sweep method to solve the disconvergence when the three - phase transformer harmonic model was used. the example result presented the method was feasible and

    本文針對在進行三相諧波潮流演算法時因引入三相變壓器諧波模型而可能導致計算結果不收斂問題，提出了諧波潮流計算的相分量法，其中引用了前推-回代法。
  6. Based on the concept of space vector, an open loop detecting method for the fundamental negative and positive sequence components as well as the harmonic components is developed, which combining the conventional detecting method based on filters and the concept of space vector. this method can overcome the defaults of the conventional detecting method, and can meet the requirement of the asymmetrical control of hvdc - vsc

    基於空間矢量的概念，提出了一種開環的基波正序分量、基波負序分量及諧波分量的實時檢測方法，這種方法可以看作是空間矢量的概念與傳統的基於濾波器的諧波檢測方法的結合，它能夠克服原有的基於濾波器的檢測方法的不足，可用於hvdc - vsc的不對稱運行控制。
  7. However, the waveforms of motor currents are difficult to control. the harmonic components of the current will produce torque pulsation, additional losses and some emi problems

    電壓源方式主迴路比較簡單，但電流波形難以控制，且諧波所帶來的轉矩脈動和損耗比較大， emi問題難以解決。
  8. At last the components of the system are modeled and simulated with matlab software. the simulation results indicate that the combined system can reduce the capacity of apf effectively, detecting the harmonic current effectively, compensating harmonic current effectively

    結果表明，對單位容量的諧波源，採用與可變參數lc濾波器混合使用的並聯型有源電力濾波器系統，能夠有效地減少有源濾波器的容量，有效地檢測出高次諧波分量，並進行諧波補償，使系統的電流波形基本保持正弦。
  9. Harmonic components of the input current in method 2 is lesser than method 1, neglecting the losses and switching effects of the converter. the decreation of the harmonic components is not apparent, but different between method 2 and method 1, due to the influence of switch losses of the igbt, which is consisted of two igbt and two frd

    當模擬模型中的雙向開關由兩個igbt和兩個快恢二極體組成時，由於igbt的開關損耗等因素對輸入電流的影響，在模擬得到的輸入電流頻譜圖中，諧波成分的減小不是很明顯，但調制策略方式2和方式1的諧波成分仍有所不同。
  10. According to the theory of electromagnetic fields, the large salient synchronous generator with fractional stator slot are calculated and analyzed by the finite element method ( fem ) in this paper. the fourier analysis method is applied to decompose the air gap magnetic density into the basic spatial component and a series of harmonic components and wave shape eigen coefficient of air gap magnetic field are calculated

    本文根據電磁場理論，從耦合場的弱耦合角度首先計算了定子具有分數槽繞組的大型水輪發電機的電磁場，採用付立葉諧波分析的方法把氣隙磁密分解為空間基波和一系列諧波，進而計算出氣隙磁場波形特徵系數。
  11. It can also determine the fault spot and reason. this technology has been used in some technological fields and proved efficient. it has promoted the revolution of maintance system and the historial protection is replaced by preventive maintenance. with this technology, we can improve the reliability of machine and decrease the maintance fee. recently, reserch has pick up a fervent pace in the area of fault diagnosis of electrical machines. the paper simply analyzes the fault reason of electrical machines, stressly describes and explores the methods of condition monitoring and fault diagnosis such as partial discharge, stator current, rotating speed, vibration etc. fault prognosis is now include diagnostic feature, reason, spot. prodigious improvement in signal processing hardware and software has made this possible. primarily, these techniques depend on locating specific harmonic components of the fault. these harmonic components are usually diffirent for diffirent types of faults. automated tools such as fuzzy logic based system is also simply presented in the paper

    本文從絕緣結構的故障機理入手，以絕緣結構故障的典型特徵? ?局部放電為研究對象，重點討論局部放電的在線監測方法、適用場合併比較它們的優缺點；在分析籠型異步電機轉子斷條在線監測的定子電流監測方法后，根據其缺陷，本文探討了溫升不平衡法、希爾伯特變換數字濾波、小波包分析法的原理及優點；以電機軸承、氣隙偏心等故障為研究對象，通過對電機振動和轉速頻率的檢測，診斷電機的故障類型；本文的重點工作是將人工智慧技術中的模糊技術應用於電機的狀態監測和故障診斷中，力求使電機故障診斷更接近人工智慧化；最後，本文對電機狀態監測和故障診斷系統進行了硬體和軟體初步設計，為實現預測維修提供了有效的技術手段。
  12. In the second one, the input current displacement angle is dynamically modulated as a function of positive and negative sequence components of the input voltages. in both cases, the harmonic content has been evaluated analytically

    第二種方法中，輸入電流矢量根據輸入電壓正、負序成分進行動態調制，並對兩種情況下的輸入電流的諧波成分都進行了分析。
  13. Some methods were proposed, but there still exist some questions, for example the method for analyzing the harmonic component at pcc. in this paper, the harmonic components at pcc were detailed analyzed, a new method and a new model were proposed to analyze the harmonic

    本文在前人的基礎上，對pcc處的諧波成分作了較為詳盡的分析，在分析方法也提出了自己的觀點和分析諧波成分所用的新的模型。
  14. Aiming at extracting harmonic components of signals, a filter progress is designed. during the progress, the technology of sampling rate alteration worked as an aid in dividing different frequency signals

    針對一定諧波含量的信號，設計了將諧波分量分離的濾波過程，在此過程中引入采樣率轉換環節，配合小波濾波器實現不同頻段信號的分離。
  15. There are mainly four standard series for the products, xb1 single - stage harmonic - drive reducers and components sets, xb2 high ratio dual harmonic drive reducers and components sets, xb3 pancake - type harmonic drive component sets and phase adjuster harmonic drive xbf, which are put into production with millions of sets per year by ctkm

    公司產品主要有以下四個標準系列： xb1單級諧波傳動減速器和組件、 xb2內嚙復波諧波傳動減速器和組件、 xb3扁平式諧波傳動減速器和組件、 xbf相位調節器用諧波傳動減速器和組件，年產已達萬臺套。
  16. Harmonic wavelet analysis can extract the singular components in the non - stationary signal effectively

    摘要諧波小波分析可有效提取非平穩信號中的奇異成分。
  17. 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。
  18. Abstract ： conventional ups systems operate to protect against such harmonic distortion brought by nonlinear load using complex filtering schemes, often employing large passive components

    摘要：對于非線性負載所引起的諧波失真，傳統的逆變系統通常採用復雜的大規模無源元件濾波方案來濾除。
分享友人
分享到 Line

分享到臉書