振動測量計 的英文怎麼說
中文拼音 [zhèndòngcèliángjì]
振動測量計
英文
vibration meter- 振 : 動詞1. (搖動; 揮動) shake; flap; wield 2. (奮起) brace up; rise with force and spirit
- 測 : 動詞1. (測量) survey; fathom; measure 2. (測度; 推測) conjecture; infer
- 量 : 量動1. (度量) measure 2. (估量) estimate; size up
- 計 : Ⅰ動詞1 (計算) count; compute; calculate; number 2 (設想; 打算) plan; plot Ⅱ名詞1 (測量或計算...
- 振動 : vibrate; vibration; vibrance; vibrancy; vibra; vibes; shaking; rumble; jitter; chatter; sway; jar...
- 測量 : measure; survey; gauge; meter; measurement; measuring; surveying; mensuration; metering; gauging;...
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In view of bearing capacity of the elastoplastic theory analysis, the author made a comparison between the achieved bearing capacity limit load pi / 4 of round base ( space problem ) and the limit load pi / 4 of bar groundwork foundation design ( plane problem ) from soil mechanics at home and abroad as well as foundation criterion, and explained why the value of formula in present design criterion from soil mechanics is inclined to be conservative. in the light of the author ' s many years experience of vibration test on the spot and the research work of relevant projects, the author worked over the dynamic pile testing of the bearing capacity of foundation and batholith, and gathered the parameter of dynamic analysis and testing. the author also talked over the difficult point of pile foundation design criteria in present batholith engineering world, i. e. the confirmation of batholith bearing capacity of pile end, from the following aspects : a ) confirmation of single axis counter - pressure strength of rock in house ; b ) f. e. m calculation of elastoplastic model ; c ) calculation of soil mechanics ; d ) deep well load test
然後,對巖土工程領域至今尚未解決,甚至不為人注意的考慮地基變形的地基承載力問題進行了實用化的探討,提出了考慮地基變形的地基承載力上程計算方法;對基於彈塑性理論分析的地基承載力國內尚未見報道的空間問題得到了圓形基礎(空間問題)的承載力界限荷載p _ ( 1 / 4 ) ,並與國內外土力學專著及地基基礎設計規范中的條形基礎(平面問題)的界限荷載p _ ( 1 / 4 ) ,進行了對比,從而定量上解釋了目前設計規范引用土力學承載力公式值偏於保守的這一情況;根據本文作者多年從事現場地基工程振動試驗及相關課題的研究工作,本文以截頭錐模型模擬地基,對地基(巖基)承載力的動測法進行了研究,為各類地基(包括巖基) ,匯總了動力分析和檢測川的參數:針對日前巖土工程界應用樁基設計規范中的難點? ?樁端巖基承載力的確定問題,從巖石室內單軸抗壓強度確定、基於彈塑性模型的有限單元法計算、土力學計算及深斤載荷試驗四方面進行了深入討論;本文作者根據多年現場載荷試驗的工程實踐,對深井荷試驗裝置的核心部分? ?反力裝置,設計了側壁支撐反力加載系統,該加載系統具有實用、簡便、穩定及安個等優點。Measurement of vibration immission - part 1 : vibration meters ; requirements, verification
振動引入的測量.第1部分:振動計.要求驗證A new method for measuring the vibration of shadow mask without touch by detecting the light density with reflection type optical fiber sensor is presented. the measurement system based on the new method is designed to make the vibration measurement easier working, faster calculating, and get more precise results. it is an important measurement and analysis tool to improve the performance of shadow mask and display quality of cpt
本文提出了基於單光纖光強度反射法的非接觸式微振動測量系統的原理,並設計製造了該測試系統,探索出了簡單方便可靠的測量方法,能夠準確客觀地反映蔭罩振動的各項參數(各振動模的振動頻率、振幅、衰減時間) ,實現了測試裝置的簡便化和測試過程的自動化,為cpt張緊式蔭罩系統的性能改進與顯示質量的提高提供了有效的測試分析手段。On the part of the design of nine - component thrust vector stand, an automatic hydraulic pressure original position calibration system, a scheme of original position calibration, and the great rigidity universal flexible combinatorial underprop are designed. by using the scheme of “ universal flexible combinatorial underprop plus software digital filter ”, the inherent frequency of test stand is improved, and the problem of test stand libration is solved. then, the resolving method of the disturbance between underprops of the moveable frame is proposed, and the disturbance revise equation is deduced
在推力矢量試車臺設計方面,設計了自動液壓原位校準系統、原位校準方案以及大剛度萬向柔性組合支撐;採用「萬向柔性組合支撐+軟體數字濾波」的方案,提高了試車臺動架的固有頻率,解決了試車臺動架的振動問題;提出了動架約束互擾問題的解決方法,推導了互擾修正方程;研究了九分力推力矢量測量誤差分析方法,並計算了推力矢量測量精度。In the semi - active damper of high - speed train, piston ' s velocity should be measured conveniency and accurately for succeeding in calculoting and adjusting the damp parameter
摘要基於天棚原理的高速列車半主動減振器中,為實現對實際安裝減振器阻尼系數的計算和調整,需方便、準確地測量活塞運動速度。The composition of sample was identified by means of x - ray diffractometer ( xrd ). magnetic properties were measured by vibrating sample magnetometer ( vsm ). the combustion behavior and crystallization process of the gel were studied by means of differential thermal analysis - thermogravimetric analysis ( dta - tg )
利用x射線衍射儀( xrd )確定樣品物相,振動樣品磁強計( vsm )進行磁性測量,綜合熱分析儀研究凝膠的燃燒和析晶過程,掃描電子顯微鏡( sem )和透射電子顯微鏡( tem )觀察粉末的形貌與粒度。To adapt the circumstance in which the crankshaft torsional vibration generally exists, the new method ( tvrs method ) in which the cylinder power is inversely solved according to the torsional vibration curve is put forward and deduced in this paper, that is, the average effective pressure of each cylinder i. e. power condition of each cylinder is estimated based on a crankshaft torsional vibration curve according to the elasticity model of the actual shafting of engine and by use of the i. c. engine dynamics, the numerical calculations and the signal theory etc. although the computing workload is more, the method makes full use of the now available data of the torsional vibration of the i. c. engine, and can be used to all kinds of i. c. engine on any kind of operating condition, so it has higher application value
為適應內燃機普遍存在曲軸扭振的情況,本文提出並推導了利用扭振信號反算的新方法( tvrs法) ,即採用軸系中某一測點的扭轉振動信號,按軸系實際的彈性模型,依據內燃機動力學、數值計算方法和信號理論等,反算各缸的平均有效壓力,定量判斷各缸的作功狀況。此法充分利用內燃機現有的扭振資料,雖然計算工作量較大,但普遍適用於各種類型各種工況的內燃機,有較高的實用價值。The experiment demonstrates that the operation precision of a decubital human body and the response measurement instrument have satisfied the design requirement
對照試驗表明:臥姿人體振動響應測量儀的運算精度達到了設計要求。In order to make the sensitivity of 2 - demension accelerometer along the two main arbors almost identical, symmetric four - beam structure that embeds a double - sides interdigitated differential capacitive with puckered beam in two directions was used as sensitive component. in addition, the differential capacitive accelerometer fabricated by bulky silicon micromechanical technique has high sensitivity, wide measurement scope, less nonlinear error, and simple converting circuit. then, the structure parameters of the sensitive component were calculated and stimulated, which results in a set of the optimized structure design parameters, main fabrication procedure and several key fabrication technology
為使二維振動傳感器在兩主軸方向的靈敏度大致相同,敏感元件採用高度對稱的四梁結構,其中每個軸向上均採用帶折疊梁的雙側叉指電容結構,採用體硅微機械工藝製作的高深寬比叉指電容式敏感元件,具有高靈敏度、寬量程、非線性誤差小、外圍電路簡單等優點;對設計的敏感元件結構參數進行了計算,並利用有限元法進行了模擬分析,根據模擬結果得出了優化參數;在確定敏感結構的基礎上,研究了敏感元件採用體硅微機械加工工藝製作的工藝流程和關鍵工藝技術;對敏感晶元內部的c - v介面電路進行了原理設計與分析,利用差動測量技術得到由振動引起的微小電容變化量,經c - v介面電路進行相位調制處理,然後通過解調輸出與加速度成正比的電壓信號。Based on the advanced embedded computer and network technology along with the embedded operational system such as windowsce, the instruments can gather many functions such as transmitting and measurement, compensatory computation, signal analysis and processing into one instrument. in this paper a portable instrument for vibration measurement with embedded computer system was discussed. based on windowsce real - time operation system the software of this instrument was designed and developed with evc computer language
本文基於目前流行的便攜式儀器的核心技術? ? windowsce ,設計開發了應用於現場設備振動測量分析的的便攜式測振儀表,針對現場特點和實際要求,對于測振儀的硬體系統進行了規劃設計,並重點對于儀器軟體進行開發,在windowsce平臺下,利用evc語言開發研製了儀器的應用軟體,實現了包括信號採集、分析、顯示、數據存儲和通信功能的軟體系統;並對該軟體進行了計算機模擬調試。In order not only in theoretics but also in practice to completely resolve the power diagnosis of each cylinder of i. c. engine according to the angular vibration curve of crankshaft, the pc instruments - crankshaft angular vibration measurement and analysis system ( tvm system ) and the electrical calibrator ( tvci system ), in which the soft and hardware resources of computer are sufficiently utilized, are developed by author
為不但在理論而且在實踐上全面解決利用角振動信號診斷內燃機各缸作功狀況的問題,作者開發並研製了一套充分利用計算機的軟硬體資源的pc儀器? ?曲軸角振動測量分析系統( tvm系統)和電標定器( tvci系統) 。In order to solve it radically, making power assembly of bj1036e2f1 light truck the research object and through dynamic simulation analysis of power assembly, this thesis obtains the distribution rules of forces of the bolts linking three shells mentioned above and the relation between forces of the bolts and rotate speed of engine. after finite element mode analysis of these three shells, inherent frequency and vibration model of shell of power assembly are gained, and thus its dynamic character is realized. based on computer simulation analysis, experimental model of power assembly is acquired by vibration test and strength test of shell of power assembly, and the relation of forces of the shell and rotate speed of engine and imbalanced mass of rotate components is studied
為了從根本上解決該問題,本論文以bj1036e2f1輕卡動力總成為研究對象,通過動力總成的動力學模擬分析,找出了三殼之間聯接螺栓受力的分佈規律和螺栓受力與發動機轉速的關系;通過三殼的有限元模態分析,得到了動力總成殼體的固有頻率與振型,從而了解了動力總成殼體的動態特性;在計算機模擬分析的基礎上,通過動力總成殼體的振動測試和強度測試,得出了動力總成的試驗模態,並研究了殼體受力與發動機轉速和旋轉部件不平衡質量的關系。Abstract : the recent theory and design method of the magnetoelectric induction sensor in bearing field is introduced. the author provides two sensors ' main technical performances and a new measurement method of the bearing and other wide frequency spectrum and low amplitude vibration objects
文摘:主要介紹了國內外近些年在軸承行業開發的軸承振動測量中應用的磁電感應式傳感器的原理與設計方法,並介紹了二套傳感器的主要技術指標,對軸承及其它寬頻譜低振幅振動量的測試提供了一套新的測試手段。The principle of measuring sensor for rotating blade vibration
旋轉葉片振動測量傳感器的設計3. after analyze to various methods of the synchronous control, decide to utilize a / d and d / a combines with the numerical pid control method to research the pc of synchronous controller and apply to the space vehicle ’ s vibration environment experiment
3 .對同步控制的各種方法進行了分析,結合數字pid控制演算法,率先採用計算機自動測量和控制技術,將基於pc的a / d和d / a板卡應用於航天器環境模擬試驗的並聯雙振動臺系統中,解決了同步控制器研製的問題。Based on a great amount of laboratory test, the instant vibration signal from soil compactness ( include dry density and water content ) testing is analyzed systemically and the corresponding quantitative analysis method is put forward for the determination of soil compactness
本文在大量的室內試驗基礎上,較系統地對土密實度(包括干密實度和含水量)瞬態振動測試信號進行了分析,給出了土密實度振動測試的定量計算方法。The vortex type fluid oscillatory flowmeter based on measurement of vortex hydrodynamic vibration generated by specific flow passage, and the frequency of fluid oscillations is in direct proportion to flow rate
旋渦型流體振動流量計是利用流體在特定流道條件下流動時產生的旋渦振蕩,而且其振蕩頻率與流速成比例這種規律來測量流量的流量計。At last, the heart beating speed and blood pressure of taxi drivers and the response time are measured after the vibration duration is 0, 2, 4, 6, 8, 10 hours. the phenomena that response time is longer and longer, the rate of heart beating is faster and faster and blood pressure raises firstly and then decreases are founded. the drivers will suffer from fatigue in about 8 hours
最後,本論文在國內外首次對出租車駕駛員工作0 、 2 、 4 、 6 、 8 、 10小時后的心跳速度和血壓這兩個生理指標及反應時間進行了測量,並發現隨著工作時間的增加,出租車駕駛員的反應時間逐漸加長,心跳速度逐漸增加,駕駛員的血壓先增加后降低;發現出租車駕駛員大概在工作8小時之後疲勞,與駕駛員的主觀感覺完全吻合;通過計算,職業駕駛員疲勞時對應的估計振動劑量值為: 11 . 12ms - 1 . 75 ,依此可以將此研究成果推廣到其他類似出租車駕駛員的職業駕駛員的疲勞判別中,從而可以制定出更合理的作業時間。The contents of paper contains the selection of the primal devices, the design of the hardware circuit, the development of the drive programe and how to realize the communication between vibration measurement instrument and fieldbus
論文內容包括儀表元器件選擇,硬體電路的設計,軟體驅動程序的開發,如何實現振動測量儀與現場總線的通信等。Based on the fully analysis of modern wireless transmission technology and principle, reference of vast correlative papers and advanced wireless data transmission products in the world, summarization and reference of modem sensing technology and data acquisition technology, wireless data transmission module sa68d29m is selected, which satisfies the requirements of the modern in - situ vibration measurement
通過深入分析現代無線數據傳輸技術原理,在查閱大量相關文獻和國內外先進無線數傳產品、總結和借鑒現代傳感技術和數據採集技術的基礎上,選取了適合現代振動測試現場要求的無線數傳模塊sa68d29m ,設計完成了基於無線技術的振動數據採集系統。分享友人