ground velocity 中文意思是什麼
ground velocity
解釋
對地速度-
The effect of the height between nozzles and ground plate, the distance between the nozzles, the inlet velocity of the nozzles, and the velocity of the cross flow on the flowfield structure were studied one by one
分別就噴嘴距地面高度、噴嘴間距、噴嘴出口速度、橫向流等，對噴射垂直撞擊平板流場的影響，逐一討論。 -
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向時，瞬時轉向中心偏移量與車輛重心位置、轉向半徑、行進速度、加速度、車輛方位相互關系的計算公式。 -
The high or low velocity anomalies ' s locations are consistent with the uplift and depression respectively, and their contacting boundary always correspond the faults exposed on the ground ' s surface. the basement interface that is the bottom interface of the sedimentary cover undulates strongly
上部地殼高速異常和低速異常分別與地表的隆起和坳陷高度一致，高速異常和低速異常的接觸帶往往與地表的斷裂位置有良好的對應關系，沉積蓋層底部的基底界面橫向上起伏變化較大。 -
This paper puts forward a method of fast, handy, no - destructive and effective testing which can be used to test the strength and geometrical dimension of subgrade abamurus using the method of earthquake wave velocity and gpr ( ground penetrating radar ). this method can be used to definite the dimension and strength of abamurus by determining some physical parameters ( such as elastic wave velocity and electromagnetic wave velocity etc, ) and by the correlation of these physical parameters with mortar flag stones
本論文提出使用地震波速法和地質雷達法檢測路基擋墻的強度和幾何尺寸，是一種快速、簡便、無損、有效的檢測方法。此方法通過測定某些適當的物理量（如：彈性波速度、電磁波速度等） ，並通過這些物理量與漿砌片石的相關性，確定墻體的尺寸、強度等性能。 -
Migration velocity analysis and prestack migration of ground - penetrating radar
地質雷達資料的偏移速度分析和疊前偏移 -
4. the dissertation studies in - depth the multi - aperture sar mtdi based on along - track interferometry ( ati ). it presents and describes the detecting processing in sar image domain using double apertures and analyzes the influence of all kinds of factors including ground clutter, noise, signal - to - clutter, range velocity, multi - look processing and etc on the detection performance
4 、深入研究了基於沿跡干涉釁1 ）技術的多孔徑sar系統地面動目標檢測和成像方法，給出了採用ati方法對兩幅sar復圖像進行慢速目標檢測的完整過程，詳細分析了各種因素如雜波、噪聲、目標信雜比、目標速度及多視處理等對檢測性能的影響，並通過大量的模擬給予驗證。 -
Result shows : the vibration of vehicle is mainly relevant to velocity and uneven path. the higher the velocity is, the more uneven the path is, the more violent the vibration of vehicle is ; comparing dynamical response of middle bridge stride on vehicle passing bridge and on equivalent moving loads, the displacement is same but the velocity and the acceleration are different ; the result of velocity and acceleration of vehicle is big over the ground path than over the same path of bridge
結果表明：車輛的振動主要和車速及軌道不平順有關，車速越高，軌道越不平順，車輛振動的就越劇烈；車過橋時橋梁跨中動力響應與等效移動荷載作用下橋梁跨中動力響應比較，橋梁跨中的位移基本相近，速度和加速度則不同，等效移動荷載作用情況下的數值比較大；車輛過地面軌道不平順時的速度、加速度比車輛過橋上同樣軌道不平順時的數值大。 -
By means of temporary stability of combining drift coefficient of angle sensor and through missile rotating two - position measurement, measuring rotating angle between the two positions by vertical sensitive axis x, and sensing the changes of ground velocity component between the two positions by horizontal sensitive axis and z, the position of the component is determined to realize the azimuth alignment before launch of tactical missile
角敏感元件漂移系數具有短期穩定性，通過轉彈前後兩位置對組合的測試，垂直敏感軸計測轉彈過程中兩位置之間的轉角，兩水平敏感軸敏感計測地速分量在前後兩位置的變化，由此計算出部件當前所在方位，從而實現戰術彈射前的方位對準。 -
This paper confirms a kind of non - linear mapping relation between vibration velocity of particles on building and the influence factors, such as total explosive charge, maximum explosive charge fired at the same time, the distance between blasting point and monitoring points, peak particle velocity of ground where building is, the height from monitoring point to ground, and so on, and sets up a support vector machine ( svm ) model for forecasting the vibration effect induced by an explosion
應用支持向量機，建立了總藥量、最大段藥量、爆破點與監測點距離、構築物所在地面震動峰值速度、測點到地面的高度等因素與建築物上的質點震動速度之間的非線性映射關系，確立了支持向量機預測模型。 -
From the velocity - type records and the acceleration - type records in one station the same ground motions can be recovered, and the calculated response spectra are the same in a specific period range. this indirectly proves the reliability of the two types of records
速度型和加速度型數字寬頻帶記錄可以恢復出相同的地震動，在一定的川朋范田內得到相同的反應譜，間接證明了這兩種地恁記錄的可靠性。 -
This paper relates to some problems about the determination of design ground motion parameters, which include the choice of the attenuation relationship of rock horizontal acceleration response spectrum, the impact of focal depth to rock peak horizontal acceleration and rock response spectrum curves, the choice of intensity envelops function and random input phase, the choice of soil nonlinearity and shear wave velocity, scale of design ground motion response spectrum etc. in the researches of relative aspect, based on a typical section plane of the engineering site, influence of the change of some parameters on design ground motion parameters and the existing errors and corresponding rules are studied by using the method of one dimension model of equivalent linearization
摘要研究了確定設計地震動參數中涉及的若干問題，其中包括基巖水平加速度反應譜衰減關系的選擇、震源深度對基巖水平加速度峰值及基巖反應譜曲線的影響、強度包絡線函數及輸入隨機相位的選擇、土體非線性特性參數和土層剪切波速值的選擇、設計地震動反應譜的標定等問題。 -
Based above, a two - grade fuzzy comprehensive evaluation model is presented on the ground of the current seismic design code for building. it is that taking the membership of equivalent shear velocity as weight of the model not empirical weight in traditional one - grade model. it has been proved in site classification reasonable
參照我國現行建築抗震設計規范，改變過去以經驗系數為權重的一級模糊綜合評判模型，以等效剪切波速對各場地土的隸屬度為權重，建立了場地二級模糊綜合評判模型，對場地進行劃分。 -
Then its mathematical model is set up and its validity is proved by computer simulation results. in the following, a new processing method of using three - antenna to detect, locate and image moving target is proposed based on dpca and interferometric theory. this method can not only suppress ground clutter effectively and detect moving target but also locate accurately azimuth position of moving target and estimate its velocity
深入分析了dpca和干涉的原理后，提出一種沿航跡放置的三天線sar動目標檢測和成像方法，詳細描述了該方法的工作機理，給出系統組成框圖，並給出該方法進行動目標檢測、定位、測速和成像的步驟，然後給出了計算機模擬方案及大量的模擬結果，充分證明了採用該方法不僅能夠有效的抑制地雜波、檢測動目標，還能夠對動目標精確定位，準確估計出動目標的速度，對動目標重新聚焦成像。 -
The multi - degree - of - freedom system structural dynamic response analysis of blasting ground vibration velocity displacement excitation
爆破地震速度位移激勵多質點系結構動力分析 -
There are great differences between ground test of a flight vehicle ' s aerodynamics and that of a dual - mode scramjet when ground test facilities are used to do experiments on a dual - mode scramjet engine, the components of incoming flow and its parameters, including total pressure, total temperature ( or total enthalpy ) and velocity must be simulated. at the same time, since the fuel ' s resident time within a combustor is very short, on the order of one millisecond, it is difficult to measure the flow - fields
進行雙模態沖壓發動機地面試驗研究時，必須要求試驗設備能模擬實際飛行條件下來流氣體的組分、總壓、總溫（或總焓）以及來流氣體的流動速度；同時由於燃料在燃燒室內駐留的時間很短，一般為毫秒量級，從而使流場物理量的測定顯得非常困難。 -
After t hat, a further p roblem i s s tudied o n d amping effect of lead a lloy dampers under ground motions with significant long period contents and ground motions with velocity - pulse
從鉛合金的減震效果來講，在長周期成分豐富的地震動作用下，鉛合金減震器的減震效果不如預期的效果好。 -
In the auto - drive of maglev, the communication, location and measuring velocity are very important between the maglev vehicle and the ground stations
在磁浮列車的自動駕駛中，磁浮列車與地面站之間的通信、定位和測速是十分重要的。 -
Synthetic aperture radar ( sar ) has been widely used in both military affairs and civilian fields because of its high - resolution, independence of both time and weather conditions, etc. usually, sar could only be used to detect and image static targets instead of moving targets for the reason that the position drifting will make local mistake in the general sar image, which is usually caused by the velocity of the moving targets in the ground range direction, and when it comes to the target with strong scatter coefficient right in the drifting position, the moving target could not be detected at all
合成孔徑雷達（ sar ）由於其高解析度、全天時、全天候等優良性能，已經在軍事和民用領域得到越來越廣泛的應用。通常，合成孔徑雷達只能對靜止目標進行檢測和成像，動目標由於其徑向速度而在常規sar圖像中有一個位置偏移，使成像造成局部錯誤，而且當偏移處有強散射目標時，動目標將無法檢測。軍事上的應用也要求合成孔徑雷達能對運動目標進行有效地檢測和成像，因而運動目標檢測（ mti ）及其成像日益成為合成孔徑雷達領域研究的一個熱點。 -
Some of the key factors which could influence the characteristics of strong ground motion have been discussed, and the resultant peak ground acceleration ( pga ) distribution and the peak ground velocity ( pgv ) distribution around beijing area also have been made as well
通過分析影響強地面運動的幾個關鍵因素，給出了北京地區強地面運動峰值加速度和速度分佈特徵，比較了合成強地面運動記錄與通過衰減關系計算所得的結果。 -
The outcomes indicate that under the effect of velocity pulse the increment of pgd ( peak ground displacement ) is greater than that of pgv ( peak ground velocity ), which has less influence on pga ( peak ground acceleration )
結果表明：在速度脈沖效應下，地震動峰值位移增大值大於峰值速度增大值，而峰值加速度所受影響最小。
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