集體振動 的英文怎麼說
中文拼音 [jítǐzhèndòng]
集體振動
英文
collective vibration-
Envision the conductor as an assemblage of driven, damped oscillators.
把導體看成是大量受迫阻尼振動的振子的集合。It adopts the twice sum right method to input the vibrations of head and buttock according to the national standard far a decubital human body, gathers data and carries out calculations, to realize a real time measurement
它根據國家標準對臥姿人體承受頭部和臀部振動輸入的2次計權方法,採用多工的軟體設計,一邊採集數據,一邊進行運算,實現了測量結果的實時顯示。Efficient to lose fat, adopt micro - computer technology to make the vibration strongly effect on the abdomen, which part with most fat of the body. inner - desighed strong motor effect on the organism directly. unique auto change direction mode, makes the full dimension vibration of the organism
迴旋塑身腰帶運用微電腦技術,將強效振動裝置直接作用於脂肪最為集中的腹背部,內置的強有力的電動機直接作用於肌體,產品獨有的大幅度的水平移動自動變換方向運動模式,使肌體大范圍全方位共振,同時加快身體血液循環,微電腦控製程序可自動逐步增強產品運動力度,使用過程中自動轉換運動方向。The method using wavelet packet analysis is proposed to extract fault information from vibration signal obtained from testing jig of tilting train. the vector comprised of the energy of signal in all spectrum bands is input to a feed forward neural network
利用小波包分析,將擺式車體試驗臺上採集到的振動加速度信號分解在相互獨立的頻帶之p內,各頻帶內的能量值形成一個向量,將其作為神經網路的輸入特徵向量, 。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。Bringing into play the communication market resources in hangzhou bay, the park devotes itself to the formation of a “ mobile valley ”, which means a unique zhejiang - flavored economic pattern : forming a complete telecommunication industry chain from software and operation development of key parts, such as ic chip, rf modules, base band, display, high capacity battery, to related components like cell phone housing, keypad, antenna, vibration motor, mould, pcb ( circuit board ), photoelectricity device, electronic device, connectors and system and software development, and operation service development
園區依託杭州灣通信市場資源,致力打造「移動谷」 ,創造中國浙江經濟特有的專業版塊模式:從集成電路晶元、 rf組件、基帶、顯示器、高能電池等核心器件到接手機外殼和按鍵、天線、振動馬達、模具、 pcb (電路板) 、光電器件、電子器件、連接件等相關組件及系統和軟體開發、運營服務開發,形成完整的通信產業鏈。4. the management system is compiled with vb6. 0, and realizes data acquisition, save, type and reserve, vibration analysis, data processing
4 、應用vb6 . 0進行軟體編程,實現巡檢儀與管理機之間的數據採集、保存、列印及備份,振動分析,數據處理。The system can control data acquisition, processing and display in computer, to meet the demand of vibration measurement and analysis
該系統在計算機上通過軟體控制數據採集、進行信號處理分析並顯示結果,能滿足實際振動測試分析的需要。Periodic, quasi - periodic and chaotic motions show on alternately when the rotating speed is near to 2 / 3 0. combined step - by - step integral method with traditional transfer matrix method, an increment transfer matrix method is put forward. based on riccati method, the increment transfer matrix method is used in a multi - mass model
將逐步積分法與傳統傳遞矩陣法相結合,提出了增量傳遞矩陣法思想,文中相該方法應用於多段集中質量模型,並結合riccati法,推導了汽輪發電機組軸系彎扭耦合振動響應計算的矩陣表達式,並開發了一套較完善的汽輪發電機組彎扭耦合振動分析軟體。In the " hot " trapped ions scheme, transition paths involving different unpopulated vibrational states interfere destructively to eliminate the dependence of rates and revolution frequencies on vibrational quantum num bers, so the implementation is both insensitive to the vibrational state and robust against changes in the vibrational motion occurring during operation
在「熱」離子量子邏輯門操作的雙模場相干演化方案中,量子邏輯門操作只依賴于離子對的內態,而與離子對的外部運動狀態無關,這就完全避開了實驗上很難實現的離子對的集體振動的零激發要求。In the 4th chapter the hardware of the system is introduced, which includes the power supply module, microcomputer, vibration stimulating driver, signal sample driver and other peripheral circuit modules
第四章介紹了整個硬體平臺的搭建,包括cpu 、電源、振動刺激驅動電路、信號採集電路以及相應的其它外圍電路。This system tests 19 parameters such as the pressure of fore and after main fluid pumps and every sub fluid pumps ", force of pedal, turn angle of steering wheel, speed of every wheels and car body, and calculates 9 correlation analyses according to the gb112676 - 1999 " automobile system structure, capability and test methods " and gb7258 - 1997 " technical regulation of automobile safety ", also it can generate data report automatically
該系統對汽車制動過程中前後液壓總泵出口液壓、各制動分泵進口液壓、腳踏板力、方向盤轉角、各車輪轉速、車體速度等共計19個物理量進行測試。系統硬體由便攜式計算機、數據採集器以及相應傳感器組成。硬體設計中採用了模塊化設計思想,使得測試系統體積小、重量輕、抗振動、安裝拆卸方便、易於維護、可以進行隨車實測試驗。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法進行了詳細探討,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諧波分量提取中的應用進行了研究,在此基礎上,提出了信號的特定頻帶成分的提取方法;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小波分析方法;搭建了振動信號檢測系統,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法進行信號處理,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的混合編程方法,完成了電機故障檢測系統的軟體開發。In this paper, the modularized configuration of windows ce operating system and the procedure of driver development are disserted, real - time and embedded performance are analyzed, characteristics of application program development are summarized. what ' s more, wince operating system based on pcm - 3350 is configured, driver of data acquisition board and application software are programmed
本文論述了wince操作系統的模塊化體系結構和驅動程序開發的流程,分析了wince的實時性和嵌入性,總結了wince下應用程序開發的特點;並且實現了基於研華pcm - 3350操作系統的定製、振動信號採集卡驅動程序的開發和振動分析軟體的設計與編程實現。According to the theory of structure vibration and the interaction mechanism of the system constituted by vibrating compactor and gravel soils, the theoretic warranty of dynamic monitoring for vibrating compaction is studied, and a data collecting system of the dynamic monitoring suited to the monitoring apparatus with acceleration transducers is established
摘要根據結構振動理論,分析了振動壓實機械與被壓土體的相互作用機理,研究了碎石土振動壓實動態監測的理論依據,建立了一套適用於加速度監測儀的振動壓實動態監測數據採集系統。In the transversal vibration test of the steel supporting post on the flange of qinshen railway bridge, the practical techniques of instrument selection, the provision of static eliminater and the way of data sampling are mainly discussed
摘要針對秦沈線橋上翼緣板接觸網鋼柱的橫向振動測試,著重論述了儀器的選型、抗靜電干擾措施以及數據採集中的具體技術。Integrated the monitoring data collected from the scene of blast with the correlative theory of earthquake wave, the blast vibration characteristic of this underground blast engineering and the influence that the blast vibration act on the ground buildings are analyzed. applied the method of duality linearity regression analysis, the propagation attenuational laws of blast earthquake wave in this underground engineering are gained by this software matlab. the analysis results indicat that the attenuational laws of blast earthquake wave are obvious diversity in the condition of difference distances
結合採集到的大量爆破振動現場實測數據,並應用地震波的相關理論,分析了該地下工程開挖爆破的地面爆破振動特性及爆破振動對地面建(構)築物的影響;應用二元線性回歸分析法,通過matlab軟體計算得出該地下工程開挖爆破地震波的傳播衰減規律;分析結果表明,不同距離下的地面爆破地震波的衰減規律存在明顯的差異,近距離條件下爆破地震波的垂直方向分量衰減最慢,遠距離條件下垂直方向分量衰減最快,遠距離的爆破地震波的垂直方向分量和水平徑向分量的衰減指數均要比近距離相應的爆破地震波衰減指數要大。Study on workability - design of fresh concrete was carried out by introducing coefficient of filling - voids of mortar ( cfvm ), where cfvm was the ratio of voids content of densely packed coarse aggregates to the volume of mortar in concrete
在新拌混凝土工作性設計中引入了砂漿填充系數c _ ( fvm )的概念, c _ ( fvm )是混凝土中砂漿體積與粗集料振動密實空隙體積的比值。This paper analyzed the superstructure ' s vibration of large scale container ships and includes : 1 ) forecasting for superstructure ' s global vibration of container ships ; 2 ) analytical method calculation for superstructure ' s local vibration of container ships ; 3 ) fem method calculation for. superstructure ' s global vibration of 1714teu container ship ; 4 ) vibration test on board the 1714teu container ship
本文主要對大型集裝箱船上層建築振動進行了研究,分為幾個方面: 1 )集裝箱船上層建築整體振動的預報; 2 )集裝箱船上層建築局部振動的解析法計算分析; 3 ) 1714teu集裝箱船上層建築振動的有限元計算; 4 )集裝箱船上層建築振動的實船測試。The conducted work in field contained case study area selection, topo survey, sample collection for grain size and mineral composition analysis, bore hole drilling and catching undisturbed soil samples for soil test and microstructure observation, portable cone penetration test, cone penetration test, dynamic penetration test, vane shear test, soil vibration test and hydrodynamic measurement
現場開展的工作有典型研究區選擇確定,地形測量,粒度與礦物成分分析樣品的採集,鉆探及用於土工測試和微結構觀測的原狀土樣的採集,輕型靜力觸探試驗,靜力觸探試驗,動力觸探試驗,十字板剪切實驗,土體振動實驗和水動力測量。分享友人