諧波干擾 的英文怎麼說

中文拼音 [xiégānrǎo]
諧波干擾 英文
harmonic disturbance
  • : 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...
  • : 干Ⅰ名詞1 (事物的主體或 重要部分) trunk; main part 2 (幹部的簡稱) short for cadre Ⅱ動詞1 (做...
  • : Ⅰ動詞1 (擾亂; 攪擾) harass; trouble 2 (客套話 因受人款待而表示客氣) trespass on sb s hospital...
  1. Because of the elements which run under nonideal linearity and unentire symmetry in the power system, the loads which are different and change randomly, the methods which adjust and control the system faultily and operate improperly, the disturbance and the malfunction which happen somewhere, the current and voltage in the supply system are distorted seriously and thus large amount of harmonics are produced

    但是,由於電力系統元件運行的非理想線性或非完全對稱、負載的性質各異且隨機變化、調控手段的不完善以及錯誤操作、外來和各種故障的存在,供電網中的電流(電壓)發生畸變,產生大量
  2. By making full use of favourable narrow - band tracing filter character of pll and by combining the merits of dds such as super fine frequency resolution 、 high frequency accuracy 、 very fast frequency hoping with it, the pll / pll + dds frequency synthesizer presents wide band high quality source and super small frequency hoping step. while the electronically tuned filter abates the image interference and notably improves the selectivity. the theorem of frequency synthesizer and center - frequency - fixed filter is simply but adequately introduced first in this paper

    課題中所採用的pll或dds pll鎖相頻率合成方法充分發揮鎖相環良好的窄帶跟蹤濾特性,並結合dds的高頻率解析度、高頻率精確度和高速頻率捷變等優點,分別實現了系統所要求的高質量寬帶本振源和小步長頻率捷變;採用電調選頻技術,則大大改善了接收機的選擇性和抗能力。
  3. Rejecting harmonic interference in twacs using iir notch filter based on all - pass filter

    器抑制工頻通信中的諧波干擾
  4. Harmonic interference among antennae is emphasized and the level of the highest and real coupling is computed. we give the real coupling level

    算例中主要考慮發射天線的諧波干擾,計算天線間的最大耦合度和實際耦合度並給出了實際耦合度。
  5. But because of frequency conversion machine when it was in application it will produce harmonic interference inevitably, the traditional means ca n ' t be applied in variable frequency speed regulation system completely, therefore need some new analytical methods aiming at frequency conversion machine accordingly

    但是由於變頻器應用中不可避免地要產生諧波干擾,傳統的手段和方法已經不能完全適用於變頻系統中,因此需要針對變頻系統採用相應的分析方法。
  6. 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諧波干擾,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效應形成的原因,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效應對測量結果的影響,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。
  7. Abstract : it provides a kind of new nonlinear integrator and its mathematical model. its frequency responses is disscussed by the harmonics linearization method. its phase lag is found to be only 27. 6, all high order harmonics are very small, and it is very resistant to disturbances. by using it, an two - objective optimum control system is designed. it has very good control performances and will have good prospects in application

    文摘:提出一種新型的非線性積分器,給出它的數學模型,並用線性化原理討論它的頻率特性,其幅頻特性起積分作用,而相位滯后僅27 . 6 ,高次分量小,抗能力強.應用這種積分器設計了一個雙目標優化的二次優化系統.模擬結果表明,系統的控制性能好,具有廣泛的應用前景
  8. In order to supervise the system status and restrain harmonic disturbance, accurate harmonic measure has become a pivotal problem

    為了監測系統狀態、抑制諧波干擾,對其進行準確測量成為一個關鍵性的問題。
  9. 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

    指原有頻率的各種倍頻的有害。放大1khz正弦時將會產生2khz的二次和3khz的三次以及許多更高次的
  10. 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

    運用自適應對消原理和空間矢量的概念,提出了一種基正序分量、基負序分量及分量的自適應檢測方法,並進行了詳細的理論分析,為研究hvdc - vsc的不對稱運行控制奠定了基礎。
  11. One approach to minimize this impact is to filter the harmonic currents and the electromagnetic interference ( emi ) produced by the power electronic loads

    減小這種影響的一個辦法是,將由電力電子負載產生的電流或者電磁濾除。
  12. When zero sequence or high secondary harmonic current component appear in the circuit, the total current in the shield is zero, no electromagnetic interference with outside

    當線路出現零序或高次電流分量時,屏蔽層內電流總和為零,不對外界產生電磁
  13. It is very constructive to get power quality parameter in time. in this paper, we study the power quality parameter arithmetic in difference and research tune wave measure in particular. we give a new method based on transform of the shannon wavelet packet interpolation in frequency domain

    本論文研究了電能質量各參數的測量演算法,特別是針對目前頗受關注的電網檢測技術進行了深入的探討,提出了一種shannon小頻域內插的小包分解檢測方法,模擬試驗表明該方法達到了很好的抗混疊效果,同時還能檢測出中的高頻成分以及電網中的次諧波干擾
  14. The simulation results show the method can attain our aim under harmonic condition. then the calculation errors have been analyzed

    模擬結果表明,在有諧波干擾的情況下,數字鎖相環方法可以準確地跟蹤信號頻率的變化和計算相位差。
  15. According to the features of the signal of cmf, i. e. the signal frequency varies in a small range and the signal is subjected to the harmonics, a digital method based on a digital phase locked loop is used to process the signals of cmf, tracks the change of the signal frequency and calculates the phase difference. the technique proposed by the u. s. patent has been improved and made the simulation

    針對科里奧利質量流量計信號的特點,即信號頻率在小范圍內變化和信號易受諧波干擾的特點,採用基於數字鎖相環的方法處理科氏質量流量計的信號,跟蹤信號頻率的變化,計算相位差,對美國專利提出的方法進行了改進,並作了模擬。
  16. Abstract : since piezoelectric resonant filter can not effectively prohibit higher - frequency harmonic, the mechanism of this problem has been discussed by means of a specific example which shows that there exists lots of undesirable resonant frequencies of piezoelectric that would let pass undesirable signals. to solve this problem , an ameliorated electrostatic mechanical resonant filter is proposed and a specific case is demonstrated. the example of electrostatic resonant micro - bridge asserts that by adjusting the gap of exciting capacitance the higher - frequency vibrating model of micro - bridge cannot be excited based on orthogonal character of intrinsic vibrating shape of micro - bridge, so that this kind of resonant filter can effectively filter out undesirable higher - frequency harmonic

    文摘:提出壓電振濾器不能很好地濾除高頻的問題,結合一個具體例子理論推導了壓電振濾器存在許多振頻率,從而不能有效濾除一些特定頻率的信號.為了解決這個問題,提出一種改進型的靜電激勵振濾器.為了說明其可行性,具體分析了改進型雙端固支微梁靜電激勵振濾器,理論推導證實基於雙端固支微梁的各階振型正交的原理,通過適當調整激振電容的間距,雙端固支微梁的高階振動模態受到很好的抑制,因此這種振濾器可以有效阻止濾器中心頻率的高頻的通過
  17. Since piezoelectric resonant filter can not effectively prohibit higher - frequency harmonic, the mechanism of this problem has been discussed by means of a specific example which shows that there exists lots of undesirable resonant frequencies of piezoelectric that would let pass undesirable signals. to solve this problem , an ameliorated electrostatic mechanical resonant filter is proposed and a specific case is demonstrated. the example of electrostatic resonant micro - bridge asserts that by adjusting the gap of exciting capacitance the higher - frequency vibrating model of micro - bridge cannot be excited based on orthogonal character of intrinsic vibrating shape of micro - bridge, so that this kind of resonant filter can effectively filter out undesirable higher - frequency harmonic

    提出壓電振濾器不能很好地濾除高頻的問題,結合一個具體例子理論推導了壓電振濾器存在許多振頻率,從而不能有效濾除一些特定頻率的信號.為了解決這個問題,提出一種改進型的靜電激勵振濾器.為了說明其可行性,具體分析了改進型雙端固支微梁靜電激勵振濾器,理論推導證實基於雙端固支微梁的各階振型正交的原理,通過適當調整激振電容的間距,雙端固支微梁的高階振動模態受到很好的抑制,因此這種振濾器可以有效阻止濾器中心頻率的高頻的通過
  18. Hhg is very important in atom physics. two aspects manifest the importance of studying hhg. on the one hand it can accelerate the development of non - perturbation theory ; on the other hand, the emission of hhg may supply a kind of coherent - light of short wavelengh and even be applied to the field of biology

    高次在強場原子物理中佔用很重要的位置,對它的研究不僅系統地促進了非微理論的建立和發展;而且高次發射將極可能為人們提供設備簡單,費用節省的全相長光源。
  19. First of all, by establishing the observation model of complex harmonic signal and complex linear chirp signal respectively under the co - jamming of additive and multiply noise, the paper constructed cyclic moment detectors of different orders, deduced snr expression of the detector through theoretic analysis, discussed the relation of detector performance and noise statistical characteristic. the curve of detection performance is obtained through monte carlo simulation test, proving the related conclusion derived

    首先,論文分別以加性和乘性噪聲聯合下的復信號和復線性調頻信號為觀測模型,構造了基於不同階次的循環矩檢測統計量,從理論上推導出了檢測器的信噪比表達式,分析了檢測器性能與噪聲統計特性的關系,通過monte - carlo模擬試驗得到了檢測性能的曲線,驗證了推導的有關結論。
  20. And then, adopting the same model, cyclic moment estimation statistic of different orders are constructed respectively, large sample variance expressions of the estimator through theoretic analysis are derived, as well as the constraint relation of estimator performance and noise statistical characteristic. the curve of estimation performance is obtained through monte carlo simulation test, which proves the related conclusion derived

    然後,論文同樣以加性和乘性噪聲聯合下的復信號和復線性調頻信號為觀測模型,分別構造了基於不同階次的循環矩估計量,從理論上推導出了估計量的大樣本方差表達式,分析了估計量性能與噪聲統計特性的約束關系,通過monte - carlo模擬試驗得到了估計性能的曲線,驗證了推導的有關結論。
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