諧波擾動 的英文怎麼說

中文拼音 [xiérǎodòng]
諧波擾動 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...
  • : 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...
  • 擾動 : excitation; turbulent motion; turbulence; destabilization; [物理學] perturbation motion; [地質學]...
  1. Furthermore, with the fourier series technique, the disturbance is discomposed into predominant mode and high frequency harmonics, and the nonlinear stability of the nonparallel boundary layer is studied

    採用fourier級數的方法把分解為基本模態和高頻模態,導出非平行非線性拋物化穩定性方程。
  2. It is composed of a cvt embedded voltage monitor and voltage quality analysis software. the monitor can detect voltage amplitude and voltage harmonics on line, and record waveform of disturbance voltage. the sampled data can be stored in computer by communication and can be reprocessed by the analysis software

    在理論分析研究的基礎上,設計了一種cvt嵌入式電壓質量監測儀,它由cvt嵌入式電壓監測儀和電壓質量監管軟體組成,可以在線檢測電壓幅值和電壓,記錄電壓形,並在上位機實現數據二次處理和統計管理。
  3. The controllers have considered all sorts of imperceptible factors affecting the servo performances in a lpmsm servo system, which include the parametric uncertainties brought by the changes of the mobile mass, frictional coefficient, the thrust fluctuations aroused by the varieties of the magnetic density distributions and the time harmonic. the h state feedback controller restrains disturbances and uncertainties to keep the robust and stable performance. the ip controller, which has the ability of rapid response, is applied to satisfy the rapid performance

    在分析雙環控制問題時,針對直線永磁同步電機,仔細考慮了能使伺服系統性能變壞的各種細微因素,如:永磁同步直線電機子質量變化、摩擦系數變化等造成的模型參數不確定性,電機運行期間存在磁密分佈變化、時間等產生的推力等,採用了ip速度控制器和h _狀態反饋控制器相結合構成直線伺服的內環控制器,並輔助設計了外環的pi位置控制器。
  4. The former one is a product of the pressure pulsation resulting from the fan blade periodically cutting the air, with the blade passing frequency as its base frequency and accompanied by higher harmonics. the wide - band turbulent noise is formed when the rotating fan forces the surrounding air to produce turbulent throw - outs and results in gas thickening and thinning processes

    旋轉噪聲是由於風扇的葉片周期性地切割空氣,引起空氣的壓力脈產生的,以葉片通過頻率為基頻,並伴有高次。湍流噪聲是由於風扇運導致的周圍空氣發生湍流脫體,使空氣發生,形成氣體的壓縮與稀疏過程而形成的,是一個寬頻帶噪聲。
  5. It was satisfied for performance testing of high - speed a / d circuit in the project assess the factors of reducing a high speed a / d circuit performance were found out, such as harmonic distorted in front analog circuit, . sample clock shaking, analog power and the noise in ground plane etc

    並在試驗測試的基礎上找出了影響高速模數轉換電路轉換性能的幾個主要的因素,即:前端運放電路失真、采樣時鐘抖、模數電源及共地噪聲串等。
  6. 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干振頻率,從而不能有效濾除一些特定頻率的干信號.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
  7. 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干振頻率,從而不能有效濾除一些特定頻率的干信號.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
  8. A model of an 110kv three - phase network is established by matlab / simulink spsfirstly, and the disturbance of harmonic in power system is simulated by a type - ss1electric locomotive in this model. secondly, kinds of short faults are analyzed, thestable and transient voltage waves are obtained. then, a de - noising method is presented, which is based on wavelet packettransform and has better resolution in time and frequency domain

    首先利用matlab / simulink電力系統工具箱中的模塊建立了一個110kv的三相輸電網路模擬模型,並以韶山1型電力機車為原型,實現對電網中主要源的模擬;然後,對該輸電網路中多種短路故障進行了分析,並給出在穩態和暫態情況下的電壓信號形。
  9. The initial solutions of two - dimensional harmonic waves are given by landau expansion and the mean - flow - distortion is calculated by the approximation equation. furthermore, we employ iteration method and “ predictor - corrector approach ” to solve the nonlinear equations in order to implement the marching procedure, and the result of nonlinear two - dimensional stability is obtained precisely. the effect of pressure gradient is also studied here

    文中所發展的數值方法,包括採用landau展開給出二維的初始解、模擬流場的均流變形以及採用迭代和預估校正方法實現非線性方程的求解和推進,得到了二維的非平行非線性穩定性的精確結果。
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