徑向加速度 的英文怎麼說

中文拼音 [jìngxiàngjiā]
徑向加速度 英文
acceleration; radial
  • : Ⅰ名詞1 (狹窄的道路; 小路) footpath; path; track 2 (達到目的的方法) way; means 3 (直徑的簡稱...
  • : Ⅰ形容詞(迅速; 快) fast; rapid; quick; speedy Ⅱ名詞1 (速度) speed; velocity 2 (姓氏) a surna...
  • : 度動詞[書面語] (推測; 估計) surmise; estimate
  1. According to the moving characteristics of tracklayer, when the vehicle is on ramp and the ground ' s vertical pressure is linear, the calculating formulas of relationship between the deviation of the instantaneous steering center, the position of vehicle ' s gravity, steering radius, moving velocity, moving acceleration, and vehicle ' s orientation, were obtained by the theory and method of vector analysis in mathematics and mechanics

    摘要根據履帶式車輛的運動特點,運用數力學中矢量分析理論和方法,推導了接地比壓為線性分佈時履帶式車輛在斜坡上轉時,瞬時轉中心偏移量與車輛重心位置、轉、行進、車輛方位相互關系的計算公式。
  2. The effect of air distributor on the flow fields was studied with emphasis. the working conditions of the bubble column simulated in the numerical study were as same as in the experiments. the velocity profile at axial direction showed a peek in the center, and a backward flow near the wall when usl / usg < 19. 6

    鼓泡塔內軸液相分佈呈塔中心峰值、壁面附近倒流形式,且與氣相折算大小有關,當液相折算一定時,隨氣相折算增大而愈陡峭,返混也劇烈。
  3. Aiming at the study actuality of fan performance monitoring system and analysis of fan performance curve changes affected by inlet - box and the different fixed - angles of guide blades in the course of installation, a fan flow monitoring model based on rbfnn in whole flow zone was established in this thesis. in the model, the method of no throttle and fan performance curve were used as basis. and on the basis of that model, fan performance curves of 4 - 73no. 8d were approached with experimental data of different speed, different opening - angles of guide blade and different resistance of pipeline, the precision and the error law of model were studied

    本文針對電站風機性能監測系統研究較少的現狀,在實驗的基礎上分析了現場裝進氣箱和由於安裝造成的導流器葉片開不一致對風機性能曲線的影響,並在此基礎上採用無節流方法測量流量,以風機調節性能曲線為依據,建立了基於基函數( rbf )神經網路的風機流量全程監測模型;以實驗室4 - 73no . 8d離心風機為研究對象,探討了rbf神經網路差壓模型在變轉、變導流器開和變管網阻力等工況下的應用精和誤差分佈規律;最後用visualc + +語言開發了風機性能在線監測系統。
  4. The control of beam halo - chaos becomes a critical problem in the development of high intensity accelerator. efforts to remove the halo by collimation have been largely unsuccessful since the halos almost always regenerate. the mechanisms of halos are complex, such as nonlinear resonances and chaotic behavior etc. considering this, professor fang jin - qing who works in china institute of atomic energy pointed out that the theory of chaos control can be used to control beam halos. he presented the method to control halos by using nonlinear functions, which means nonlinear function g is added to the right of ion radial self - edlctric force equation and some nonlinear function are selected to control beam halos in simulations. in paper [ 69 ], controllerg = - 0. 15sin ( rmax - am ) 2 was used and the halo intensity was decreased to 0. 1078, the halos are removed partly

    束暈?混沌的控制是新一代強流器研製的關鍵問題,隨著強流離子束應用前景的日趨廣闊而日益成為研究的熱點。傳統機械限束器因無法解決束暈的再生而收效甚微,因為束暈的形成有著其內在動力學機制?非線性共振以及混沌等。基於此,中國原子能科學院研究員方錦清將混沌控制的理論和方法開創性的運用於束暈?混沌的控制上,提出了控制束暈?混沌的非線性控制策略,即在粒子所受束自生場力方程的右邊上非線性控制函數g :並選取一些非線性函數如等進行了控制的模擬研究,將束暈強控制在0 . 1078左右,取得了初步的控制效果。
  5. The thesis had done the theories analysis in detail and built the relevant mathematics models aiming at the mechanics characteristic about the lodging of stalk, the elastic and plastic deform of stalk under the action of the transverse loads, the mechanics condition which causes stalk pushed, the relation between the speed of unit and the surface radius of ski, the relevant location between the thickness of the compressed stalk and action location of load, the relevant location between the mating device and plough, the coefficient of overturning soil under the thickness of the compressed stalk and so on. in addition, the computer aided analysis and simulating experiments in field were acted by choice

    本文對秸稈自倒伏力學特性;橫載荷作用下的莖稈彈塑性變形與秸稈被推倒的力學條件;機組作業與滑撬曲面半的關系;秸稈壓實厚載作用點的相對位置;配套裝置與犁體相對位置;秸稈壓實厚下的翻垡系數等,進行了較詳細的理論分析並建立了相關數學模型。在此基礎上,本項研究還選擇性地進行了計算機輔助分析和田間模擬試驗。
  6. It has the advanced radial technology and the movement path likes 11 pieces plum blossoms shape, this machine uses a head screw pole to go up and down to control the power head, it has the enlarged bench, and air current double - direction adjusting valve to controlled the riveting speed effectively. the electricity system added the counter to count the work piece which was be processed, he time relay control the riveting times

    Jm3tq - d是汽動類小型鉚接機,與jm3tq - b和jm3tq - c相比,提高最大工作行程到40mm ,除應用有國際先進的11瓣梅花鉚接技術外,該機採用頭部絲桿升降粗調,大了工作臺面,氣路裝雙調節閥,有效控制鉚接
  7. A discretization equation is derived by using a finite volume method in three - dimensional cylindrical polar coordinate system. algebraic equations are solved by iteration with a line - by - line method that is a combination of tdma in axial and radial directions, ctdma in tangential direction and adi method in three directions. the pressure and velocity coupling are solved with the simple algorithm

    在三維圓柱坐標下,利用有限體積法推導離散方程;在軸用三對角矩陣法( tdma ) ,在周採用循環三對角矩陣法( ctdma ) ,採用交替方亞鬆弛疊代法( adi )求解方程;推導同位網格下的壓力修正方程,用simple演算法處理與壓力的耦合;為收斂,採用適當的鬆弛因子。
  8. In the paper, based on the method of low pair replacing with high pair, the problem of cam design was transferred to that of linkage design. by means of rotary unit vectors, the equations of displacement, velocity and acceleration of the replacement mechanisms were developed. and then, the virtual linkage ' s length and direction were deduced

    論文基於高副低代原理,將平面凸輪機構設計與再現函數的平面連桿機構設計統一為同一種方法,運用圓量函數建立代換機構的位移、矢量方程式,求取虛擬連桿桿長和方,由此展開凸輪理論廓線、實際廓線、曲率半和壓力角的求解,並得出用圓形刀具工凸輪時刀具中心的軌跡方程。
  9. In the test, static - dynamic method is used to measure the stiffness, the eight stiffness coefficients of the radial part and the two stiffness coefficients of the thrust part can be obtained though loading slowly to the testing bearing which is in a equilibrium position

    首先,對處于平衡位置的測試軸承分別沿水平方、鉛垂方及軸緩慢施載荷,根據靜動法原理求得各個轉下測試軸承部分內、外膜8個剛系數以及推力部分內、外膜2個剛系數。
  10. This machine is a kind of radial riveting machine, the machine adopted the advanced radial technology, and its movement path likes the 11 pieces of plum blossom s shape, and using the screw pole to ascend and descend the work bench the head part is fixed, and the t - slot of bench can fix the clamping apparatus available, the center hole of bench and axis are coaxial, the one - way adjusting valve of liquid current is effectively controlled riveting speed

    Jm12 - c是液壓類中重型鉚接機,除應用有第五代鉚接技術外,該機長了鉚接行程,該項參數由普通機型的30mm至60mm ,可滿足長行程深孔內鉚釘鉚接的要求。工作臺,並具有夾具梯形槽,工作臺中心孔與主軸軸線同軸,可用於夾具定位。氣路裝雙調節閥,有效控制鉚接
  11. 2 % 22 % and 29 % respectively less than using other three knives at cutting speed of 500mm / min when the moisture contents of rootstalks was 48. 2 %. the cutting forces were tested at four different parts of rootstalk that were the middle part along a radius, the tip part along a radius, the middle part along axis and the stalk part along a radius, and the force at the middle along a radius is the largest and increase 32 % 45 % 111 %, respectively more than at the other three parts. the force increase 37 % to cut the rootstalks from the areas one crop a year more than that from two crops a year

    試驗結果表明,根茬含水率愈高,剪切力愈小,根茬含水率與剪切力近似為二次曲線關系;刀片剪切愈快,剪切力愈小;凸曲線、斜線、凹曲線和直線四種不同的刀刃曲線對整株根茬剪切力依此由小到大,凸曲線和斜線剪切時有一定程的滑切作用,所以剪切力相比較小,當根茬含水率為48 . 2 ,剪切500mm min時,與其他三種曲線相比凸曲線型刀刃的剪切力依次分別減少了7 . 2 、 22和29 ;對根茬中部、梢部和根部的剪切力,在相同試驗條件下,中部最大,比梢部,軸根部和根部莖稈所需剪切力分別增32 、 45和111 ;當含水率為48 . 2 ,刀片的剪切為500mm min時,一年一熟玉米根茬比一年兩熟的玉米根茬剪切力增大37 。
  12. There are two parts in this paper : firstly, a set of single doppler velocity models are presented for typical ambient windfields that include those of being uniform horizontally, macroscale convergence and divergence, which overlap warm and cold advection. which are marked by different signatures in the single doppler velocity field. the models proposed can help users identify useful information from the dopple velocity patterns

    本論文包括兩個部分:第一篇通過對典型風場的單多普勒天氣雷達圖象進行模擬,典型風場包括水平均勻一致的風場、非均勻水平風場的大尺運動的輻合輻散風場以及大尺運動的輻合輻散風場與冷暖平流的迭等。
  13. To deal with the echo information from doppler weather radar, in this paper we recommend the processing of some radar products ( cr, vcs, cappi, vil, wer, vwp ), according to the research of nim on weather radar, referred to other advanced algorithm of radar products from home and abroad and combined with the requirement of application in our country. these products are produced on the platform of windows 98 or windows 2000 by the use of visual c + +

    為了對多普勒天氣雷達的回波信息(包括強譜寬)進行工、計算和處理,本文根據南京氣象學院在天氣雷達方面的長期研究積累,同時借鑒其他國內外先進的天氣雷達產品的演算法,結合我國氣象業務應用的要求,對多普勒天氣雷達的氣象產品(組合反射率因子、任意垂直剖面、等高平面位置顯示、垂直累積含水量、弱回波區顯示、 vad垂直風廓線等)進行工程化設計。
  14. In the process of single fiber sedimentation, it is steady that the fiber axis orients horizontally. the terminal sedimentation rate and the lateral shifting rate increase with the particle aspect ratio. the fiber with the aspect ratio of about 2. 8 rotates fastest to the stable location

    對于單根纖維的沉降,其穩定取是軸線與重力方垂直的方;纖維的沉降隨長比的增而增,但趨勢變緩;纖維的橫漂移隨長比增而增;長比在3左右的纖維,旋轉到穩定取最快。
  15. The signals are then used as a basis for the later transformation from radial acceleration to tire acceleration and for the evaluation of braking performance

    將傳感裝置安裝在汽車輪胎內部用以獲取徑向加速度信號,將制動時段的徑向加速度信號通過無線通信方式外部接收系統傳送,作為后續變換處理和制動性能評估的依據。
  16. If the target has a radial acceleration, conventional 2d - fft based data processing method will lead to a doppler spread in doppler domain. the high resolution of doppler domain due to coherent integration no longer holds, which is very important in target detection of othr

    常規的二維fft處理在處理機動目標時往往由於目標存在徑向加速度而會在多普勒域造成多普勒擴展,從而無法應用相干積累帶來的多普勒域的高分辨力完成對目標的檢測。
  17. And using the screw pole to ascend and descend the work bench the head part is fixed, and the t - slot of bench can fix the clamping apparatus available, the center hole of bench and axis are coaxial, the one - way adjusting valve of liquid current is effectively controlled riveting speed

    立式鉚接機鉚接機,除應用有國際先進的11瓣梅花鉚接技術外,該機大了工作臺面,並具有夾具梯形槽,工作臺中心孔與主軸軸線同軸,可用於夾具定位。液路裝單調節閥,有效控制鉚接,增遠程卸荷裝置,有效降低油路噪音。
  18. The influence of parameters such as mass flow, input power, and constrictor size on arcjet performance is also analyzed. this work provides an experimental foundation for the numerical simulation study and optimized design of arcjet. a high - speed, high - resolution, multi - line spectroscopic diagnostic system has been improved to diagnostic the excitation temperature of arcjet plume

    本文優化並改進了一套高、高精的多譜線電弧等離子體光譜診斷系統,使其適用於電弧熱發動機羽流激發溫的診斷,並利用該系統診斷了發動機出口羽流的非平衡程和溫沿的分佈。
  19. With the input of a vibration acceleration history of subway train, a full dynamic analysis of soil - pile - structure is carried out. the propagation of vibration wave on the ground and vibration responses of the huge platform and the storied buildings are analyzed. some conclusions are drawn as follows : ( 1 ) with the increase of the distance to the vibration source, vibration intensity of the ground decreases ; ( 2 ) the vibration intensity of the ground in vertical direction is slightly larger than that in horizontal direction ; ( 3 ) with the increase of the distance to the vibration source, the situation that the vibration intensity of each building in horizontal direction is maximum at highest and lowest story whereas minimum at the middle story changes gradually to that decreasing with the height of building ; ( 4 ) in vertical direction, the vibration velocities and accelerations at the end points of each story of a building are the nominal identical, which indicates that the vertical vibration of them is unanimous ; ( 5 ) the vibration intensity in vertical direction of a building is larger than that in horizontal direction ; ( 6 ) increasing of the elasticity of track is an effective way to abate vibration of ground and buildings

    本文以北京地鐵八王墳車輛段地上超大結構(車輛段大平臺及其上的小區樓房)及其地基基礎為研究對象,在研究和分析有關資料的基礎上,用快拉格朗日有限差分法軟體flac建立了二維數值分析模型,並以列車振動時程作為模型輸入,進行了地基?樁基礎?地上結構的整體動力學分析,分析了地鐵列車運行產生的振動在地面的傳播規律及其對地上結構的影響,得到了如下結論: ( 1 )隨著與地鐵線路距離的增大,地面的振動強有減小的趨勢; ( 2 )地面豎直方的振動強較之水平方的略大; ( 3 )隨著與振源距離的增大,在水平方上,地上各幢樓房的振動強由底層和頂層的最大、中間層的最小逐漸過渡到沿樓層增高而減小; ( 4 )在豎直方上,每幢樓各層端點的振動完全相同,表明樓房各層在豎直方上的運動狀態一致; ( 5 )各幢樓房豎直方的振動強比水平方的大; ( 6 )增軌道彈性是減輕地面和地上建築振動的有效途
  20. Aperture synthesis sonar, as its name implies, synthesizes an aperture by storing successive echoes obtained from a moving platform and by processing the results as if they had been obtained from a multi - element array enables a high azimuth resolution to be obtained from a physically small array

    合成孔聲納,顧名思義就是通過小孔物理聲陣的勻直線運動,將沿航跡方的回波數據相干累,形成較大的虛擬孔,從而提高方位解析。合成孔技術相對于常規聲納技術的突出優勢在於,它只利用小孔的物理聲陣,就可以得到與距離和頻率都無關的高方位解析
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