諧振測定法 的英文怎麼說

中文拼音 [xiézhèndìng]
諧振測定法 英文
resonance method
  • : 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...
  • : 動詞1. (搖動; 揮動) shake; flap; wield 2. (奮起) brace up; rise with force and spirit
  • : 動詞1. (測量) survey; fathom; measure 2. (測度; 推測) conjecture; infer
  • : Ⅰ形容詞1 (平靜; 穩定) calm; stable 2 (已經確定的; 不改變的) fixed; settled; established Ⅱ動詞...
  • : Ⅰ名詞1 (由國家制定或認可的行為規則的總稱) law 2 (方法; 方式) way; method; mode; means 3 (標...
  • 測定 : determine; determination; setting-out; admeasurement; assignment; assay; finding
  1. The devices for detecting phase - to - ground fault in ineffectively grounded systems are seldom functionary at present. based on thousands of experiments in high - voltage laboratory in north china electric power university, the reasons for misjudgment and the effective measures to avoid it are presented in this paper : to change pt connection form to prevent from ill - effects of ferro - resonant overvoltage ; to increase soft measures to resist against interference ; to adopt neural network method to obtain the virtual value of the detect way

    依據上千次實驗,我們找到了一些導致選線誤判的影響因素,並提出幾點防止誤判的措施,包括改變pt接線方式,避免鐵磁對選線的影響;通過對故障檢方式的處理和使用連續判斷技術增強裝置的軟體抗干擾能力;嘗試採用神經網路演算選線方的有效域等。
  2. The influence of the eccentricity mass moment, position of mass center and the bearing stiffness to the vibration characteristics of the rotor system is discussed in detail ; 3. to verify the exactness of fem and learn the principle of vibration of dredge pump further, the orbit of the rotor shaft of the pump in the dredger is measured, the measurement results show : the repeat of the orbit of the rotor shaft is very bad when dredge pump is in the dredging mud condition

    模態分析確了泥泵的動特性(固有頻率和型) ;響應分析確了泥泵轉子軸在偏心力的作用下軸截面處的最大響應位移;研究了轉子軸的質心位置、軸承剛度和質量偏心矩對轉子軸動特性的影響; 3 、採用軸心軌跡,實船量了泥泵軸工作時動響應值。
  3. Under windows nt and labview development environment, using the linear fit module, exponential fit module > general polynomial fit module of labview to design a method for fitting the experiment data, the results of curve fitting indicate that the purpose of general polynomial fitting is better than the rest. separating the equivalent input impedance of magnetostrictive transducers without stimulate current from input impedance of it with stimulate loop based on the results of curve fitting, and determining the syntony frequency and electric simulation network parameters of magnetostrictive transducers by this input impedance. finally, with labview network functions, realizing magnetostrictive transducer electric simulation system based on web server and discussing a scheme for this system network by datasocket. the method of this paper can more accurately determine the syntony frequency and electric simulation network parameters of magnetostrictive transducers than the testing method of syntony & anti - syntony. at the same time, discussing virtual instrument measurement system and how to realize magnetostrictive transducer electric simulation network system by labview network functions of network virtual instrument measurement development environment

    在windowsnt系統環境和labview虛擬儀器技術開發平臺下,首次利用labview中的直線擬合模塊、指數擬合模塊以及多項式擬合模塊,設計了一種對實驗所得數據進行曲線擬合的方,對三種擬合方進行了比較,曲線擬合結果表明,多項式擬合方相對于其它兩種擬合方效果更好;根據曲線擬合的結果可從帶激勵線圈的磁致伸縮換能器的輸入阻抗中分離出磁致伸縮換能器鐵芯在無激勵電流時機械動形成的等效輸入阻抗,並由此輸入阻抗確了磁致伸縮換能器的頻率及其電氣模擬網路參數;最後通過labview提供的網路功能,實現了基於web服務器的磁致伸縮換能器電氣模擬虛擬儀器試系統,並探討了通過datasocket技術實現該系統網路化的方案。
  4. Based on the vibration test in yantan hydropower house, in this paper the author adopt les method which belong to three dimensions unsteady turbulent flow numerical analysis to simulate vibration resource characteristics of hydrogenerator set, a harmonic vibration model of powerhouse substructure is put forward to carry out firstly a precise modal analysis and dynamic response analysis for generator floor. the numerical calculation results agree well with the surveyed data in situ

    本文結合巖灘水電站廠房動的試驗研究,採用非常湍流數值分析的大渦模擬方進行混流機組水力源模擬;提出一種水電站廠房下部結構簡動模型,首次進行了發電機層樓板結構的精確模態分析和水力激荷載下的動力響應分析,各項計算結果與實數據吻合良好。
  5. The non - linearity of measurement microphone in principle and structure at high pressure level analysed, and deeply introduces the high pressure level calibration system, the systems principle of operation, calibration method, measurement uncertainty and experimental results and deeply introduced

    摘要從原理和結構上分析試傳聲器在高聲壓級下的非線性特性,著重介紹以高壓耦合腔為核心的高聲壓級校準裝置的原理、校準方及不確度分析,並給出一些試驗結果。
  6. And an automatic gain control ( agc ) loop is introduced to keep the vibrating amplitude of dive tines invariable. it will effectively improve the linearity and robustness of the gyro. moreover, the configuration of the drive circuit is illustrated in detail

    3 .設計了微陀螺驅動控制系統,引入了自動增益控制環節,使驅動音叉動幅值保持恆,提高了微陀螺的量線性度,增強了微陀螺的魯棒性,並且詳細介紹了驅動控制電路的實現方
  7. 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,並對相關的小波基礎理論進行了闡述,主要針對感應電動機的偏心故障和偏心+碰摩復合故障形式及相關的應用演算進行了詳細探討,主要工作內容包括下面幾個方面:在論文中,首先對小波分析在信號的波分量提取中的應用進行了研究,在此基礎上,提出了信號的特頻帶成分的提取方;研究了小波分析的頻域混疊現象,探討了小波分析應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,提出了可以有效減輕頻域混疊現象的改進的morlet小波分析方;搭建了動信號檢系統,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,並對這些數據應用本文提出的分析方進行信號處理,提取出的特徵參數可有效區分這兩種故障形式;研究了基於matlab和labview的混合編程方,完成了電機故障檢系統的軟體開發。
  8. Measurement of quartz crystal unit parameters - part 5 : methods for the determination of equivalent electrical parameters using automatic network analyzer techniques and error correction

    石英器參數量.第5部分:用自動網路分析儀和誤差修正技術評電氣參數的量方
  9. The resonant box effect is the most important. in chapter five, we use the experimental setup constructed and the cavity decay time method to measure the total loss of a passive resonant cavity, and analyse the experimental data in very detail. we conclude that, in present experimental conditions it is the uniformity and stability of laser mirror to confine the precision and repeatability of experimental results

    第五章在建立起了連續光波時間衰減量裝置的基礎上,進行了無源腔總損耗的量,仔細分析了實驗過程中的誤差因素,並指出在目前的實驗條件下限制量精度和重復性的主要原因是激光鏡片的均勻性和穩性不理想。
  10. It emphases the selection of secondary voltage of the step - down transformer, the control and protection of thyristor, the calculation of compensation capability and group capability, the technique of cross - zero switched on / off capacitors or reactor, the solution of avoiding possible resonance in switching on / off groups of capacitors or reactor and the measure of the best time to switch ( including the design of the computer survey and control system, instrument deliver system, delay operate and protect system ). although thyristor as a no - contact switch can avoid almost the problem of contact switch with contact, it can not solve the over - voltage, over - current and transient process itself as switching on / off capacitors or reactor. so we must develop a set of thyristor - switched control and protect system with great reliability so that it can realize of cross - zero switching on / off capacitors or reactor at any time

    晶閘管具有過零、動作快速的特點,本研究以晶閘管為電容器和電抗器的分組投切開關,重點研究了協調變壓器二次電壓的選擇、晶閘管觸發控制及保護、動態補償容量及分組容量的計算確、過零投切電容器和電抗器技術的實現、以及分組投切電容器和電抗器可能發生的處理計算方,給出實現最佳補償投切選擇方控系統、儀表變送系統、操作和保護系統的設計步驟) ,研製了一套高可靠性晶閘管觸發控制及保護系統,實現對無功的靜止可調補償。
  11. Through analysis the reasons influencing measuring stability have been found out, which are the flexure strain and structure resonance produced by the transmission axle under the function of the gearing - in force of the reduction gear

    雖然與傳統的量方一致,但經過理論分析,得出了這種量方式機械結構影響量穩性的原因,即傳動軸受減速器齒輪嚙合力作用?生的彎曲應變和結構量精度影響最大。
  12. The sapphire resonator method studied in this paper is used to apply for the national measurement standard of rs for high tc superconductive thin films, in which the rs value of hts film can be determined by measuring the change of the unloaded quality factors of the loaded resonator

    在國內,本論文研製的藍寶石介質正在申請高溫超導微波表面電阻rs國家試標準。此通過量加載超導薄膜后介質腔的固有品質因數的變化來確超導薄膜的微波表面電阻。
  13. Sapphire resonator working in te011 + mode is used in this paper to nondestructively measure the microwave surface resistance rs of a single piece of hts thin film at 77k. the microwave surface of htsc film under test can be determined by measuring the change of the unloaded quality factors of the loaded resonator

    本文就對超導薄膜的微波表面電阻的試進行了系統的研究。本文介紹了一種利用te011 +模式的藍寶石介質量高溫超導薄膜微波表面電阻的方,通過量加載超導薄膜前後介質腔的固有品質因數的變化來確超導薄膜的微波表面電阻。
  14. The corresponding incident angle of the peak is called interference - spr angle, int - spr - the similar linear relationship betweenint - spr and the depth of bio - sensitive film, the refractive index of bio - sensitive film respectively compared with the resonant angle ospr. it shows that it is able to use interference - spr angle, int. spr as a indicator to monitor v ery s mall c hanges i n b iochemical s amples i nstead o f the r esonant a ngle four intelligentized spr instruments have been developed successfully

    干涉角_ ( inl - spr )在厚度d _ 3或者折射率n _ 3分別變化時,與變化的參量( d _ 3或n _ 3 )有著良好的線性關系,與spr角_ ( spr )的線性具有相同的量級,這說明有可能通過干涉角_ ( inl - spr )來檢生物樣品的細微變化,從而提出了一種確spr峰值移動的全新的方
  15. Testing of carbon materials - determination of dynamic moduls of elasticity by the resonance method - solid materials

    碳素材料試驗.動力彈性模數.固體
  16. Recommended methods for the determination of the dielectric properties of insulating materials at frequencies above 300 mhz - resonance methods

    頻率大於300mhz介質性能的推薦方.
  17. Methods for the determination of the dielectric properties of insulating materials at frequencies above 300 mhz. part 2 : resonance methods

    絕緣材料在300mhz以上頻率下介電性能.第2部分:
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