target velocity 中文意思是什麼
target velocity
解釋
目標速度-
Based on the analysis of the beat frequency signal, the expression of the beat frequency phase is deduced. the expression indicates physics meanings of quantities to be detected and supplies theoretical bases for detection methods. by using two - dimensional fft, the range and velocity information of target is got out from the echo. according to the periodicity range ambiguity of symmetrical pulses in fmpcw, the processing method of sliding time window is used
通過對差頻信號進行的分析，得出了差頻相位的具體表達式，表現出了要檢測的各量的物理意義，對檢測的方法提供了理論依據。利用二維fft方法，可以有效地提取回波中目標的距離與速度信息。對于fmpcw信號由於均勻脈沖產生的周期性距離模糊的問題，採取時間波門的處理方法。 -
A pure software solution is given in order to gather more tracking data. the reason of the zenith - blind - zone forming is analyzed detailedly. the conclusion is that the extent of the zenith blind zone was restricted by three parameters : maximum azimuth angular velocity of tracking mount, flight level and airspeed of the target
本文依據不改變系統硬體結構的研究思路，提出一個基於目標軌跡預測技術的解決過天頂跟蹤的方案構想，給出具體實施步驟，預計可使系統單站單圈次跟蹤採集到的有效數據總量提高約一倍。 -
The energy centrobaric method is made use of correcting the doppler spectrum, the simulation predicted value of the target velocity is obtained
用能量重心校正法對多普勒頻移校正，進而得到物體的運動速度的模擬計算值。 -
Considering the electrovalence, the curve of water consumption and the reliability of water supply, this paper respectively sets up the model based on the maximal flux and the model based on the expectation flux. it takes yearly expenditure converting value and yearly cistern converting value as target function and takes continuity equation, velocity of flow and compression resistance of cast iron pipeline as restrictions and sets up the pga model on optimal design of water supply networks
考慮到峰谷電價、用水量變化曲線及用水可靠性因素的影響，分別建立了以最高時流量設計管網的模型和以期望時流量設計管網的模型，以年費用折算值加上清水池年造價折算值為目標函數，以連續性方程、管中流速和鑄鐵管耐壓值等為約束條件，進行并行遺傳演算法對給水管網優化設計的實現。 -
Visar - measured wave profiles on the free surface of target were profiles with an initial velocity jump followed by a smoothly - rising front to the peak velocity amplitude, showing that quasi - isentropic loading has been successfully generated
Visar測試得到的是波陣面上升前沿被明顯展寬的準等熵壓縮波，最高的擊靶壓力達到了260gpa 。 -
As the vital development of the millimeter wave guidance technology, phased array antennas use electrical control scanning beam, which results to faster scanning velocity, more flexible beam control and higher anti - interference ability. thus it can realize target seeking, tracing, guidance at the same time, and can work in the complex and worsening condition
作為毫米波制導技術的一個重要發展方向，相控陣制導技術中的相控陣天線是採用電控方式掃描波束，掃描速度快、波束控制靈活、抗干擾能力強等，可以同時完成目標搜索、跟蹤、引導等多項功能，能工作在日益復雜和惡化的工作環境中。 -
It is concluded that the equivalent target expression and the method of calculating terminal velocity can efficiently increase the calculating precision and can be used in the battle damage simulation
結果表明：建立的等效靶公式和剩餘速度求解方法顯著地提高了計算精度，可以應用於戰斗損傷模擬分析中。 -
Considering the characters of 3 - axes coordinate system that is not included in ship rectangular frame or inertial frame, compensation conditions are deduced through studying the effects of ship - swing. the paper studies how to transfer line velocity and acceleration in the inertial frame to angular velocity and acceleration which correspond each axis, then gives the computer function scheme. servo control scheme which can overcome ship swing and realize moving - target accurate tracking is designed according to inconsistency of radar base angle and beam angle
針對三軸軸系既非甲板坐標系又非大地坐標系的特點，既研究了船搖對正交三軸雷達系統的影響，推導實現船搖不變性的補償條件，又研究了將目標在大地坐標系中的線速度和線加速度濾波值折算到各軸對應的角速度和角加速度值的計算關系，並作出了計算機功能框圖。 -
High energy explosive was used to create a powerful and planar shock wave for accelerating flyer plate to high velocity, and high pressure was produced when flyer impacting with the sample. in the experiments, the impactor was brass and target was ofhc copper. by measuring the shock wave velocities of hr2 steel, high - density glass, aluminium alloy ( ly12 / lf6 ), magnesium - aluminium alloy ( mb2 ), polymethyl methacrylate and air, shock pressure and release isentrope of ofhc copper have been obtained
採用化爆加載、平面波發生器和空腔增壓技術，以黃銅為飛片，無氧銅為靶板，測量了抗氫鋼（ hr2 ） 、重玻璃（ sio _ 2 ） 、鋁合金（ ly12 lf6 ） 、鎂鋁合金（ mb2 ） 、有機玻璃（ pmma ） 、空氣（ air ）和無氧銅（ ofhccopper ）各阻抗匹配樣品中的沖擊波速度，上述材料的hugoniot狀態參數c _ 0 、均為已知，由此確定了無氧銅的沖擊加載壓力和等熵卸載后的狀態，得到了等熵卸載路徑。 -
Then a new attractive force function and a new repulsive force function are deduced, which the robot can adjust its velocity to escape from obstacles, and move to target quickly, or track target synchronously
在新的勢場函數作用下機器人能夠快速調整自身的速度大小和方向，使其快速脫離障礙物的威脅並能快速地到達目標或追蹤目標。 -
With the material dynamic constitutive equation including damage and the effect of stain rate the predictable formula about ballistic limit velocity of fiber composite target. secondly based on the damage feature about ceramic / fiber composite target caused by impact load, analysis model about defense performance of ceramic / composite material target is formed and the predictable formula about ballistic limit velocity is also given. lastly using the reflection and projectile theory of stress wave the paper discusses the design of ceramic / composite material target, optimizes the design of double layer ceramic / composite targets, gains optimal coefficient under certain area density and discusses the variety relationship of area density and thickness with optimal coefficient u nder some ballistic limit velocity 3
首先，分析了纖維類正交鋪層復合靶板在沖擊載荷作用下的損傷破壞機理，結合包含損傷和應變率效應的材料動態本構方程，建立了纖維復合材料板彈道極限速度的預測公式；其次，根據陶瓷/纖維材料復合靶板在沖擊載荷下的破壞特點，建立了陶瓷/復合材料靶板抗彈性能分析模型，給出了彈道極限速度預測公式；最後，利用應力波反射和透射理論討論了陶瓷/復合材料靶板的設計問題，對雙層陶瓷復合靶板的優化設計進行了分析，給出了在一定面密度下的最佳優化系數，討論了一定彈道極限速度下的面密度和厚度隨優化系數的變化關系。 -
Localization underground target algorithm base on the best automatic curve fitter can survey velocity of electromagnetic wave in underground medium, and locate underground target. it ’ s virtue is small number of operation times. it ’ s shortcoming is subject to clutter
基於自動最佳擬合曲線的波速測定和目標定位方法可以比較準確地計算出波速，計算出目標位置，優點是運算量小，缺點是容易受到雜波干擾的影響。 -
With the increase of the velocity and acceleration of the moving target, it produces a large accretion of dynamic error of o - e theodolite
隨著被測目標運動速度和加速度的不斷提高，導致光電經緯儀電視跟蹤的動態誤差急劇增大。 -
In this dissertation, the data process ( dp ) subsystem and radar control program ( rcp ) subsystem of gbr simulation system have been studied and discussed. the main work and innovation of this dissertation is as follows : ( 1 ) track filter, the basic element of track system, has been researched. we analyze the advantage and disadvantage of common target kinematic model such as constant velocity model, constant acceleration model, noval statistic model
本文是基於某gbr模擬系統的合作項目中，本人負責的數據處理子系統和雷達控製程序子系統的研究和開發的結果，主要進行的工作和創新有: （ 1 ）基於跟蹤系統最基本的要素-跟蹤濾波，分析了當前常用的微分多項式模型， cv與ca （常速與常加速）模型，時間相關模型， noval統計模型，以及機動目標「當前」統計模型等目標運動模型的優缺點和雷達的觀測誤差。 -
The target in orbit was heading south, so the intercept involved an extremely high - velocity, nearly head - on collision, sources said
軌道上的目標正向南飛行，因此導致攔截完全是高速的、幾乎迎頭相撞的。 -
Analysis of ambiguity - function of lfmcw radar, including symmetrical triangular lfmcw signal and multiple periods ’ symmetrical triangular lfmcw signal. 3. this dissertation advances new theories of lfmcw radar signal detection and estimation, including method for acceleration and velocity estimation based on polynomial phase transform ; method for multi - target acceleration and velocity estimation based on modification polynomial phase transform
包括基於多項相位變換的lfmcw雷達速度和加速度估計方法;基於修正多項相位變換的多目標lfmcw雷達速度和加速度估計方法;基於一般高斯噪聲環境下的lfmcw雷達速度和加速度聯合估計方法;另外提出了基於頻域增采樣內插方法以提高lfmcw雷達測距精度。 -
The acoustic pressure information and particle velocity information are used to study the direction of the arrival estimation by analyzing strong linear spectrum of the single target basing on cross spectrum method
摘要利用矢量水聽器收集到的聲壓和振速信息，研究基於互譜法分析單目標的強線譜來進行目標方位估計。 -
And the relation between these velocity was analyzed at last. this is the conclusion : ( 1 ) the distribution of the velocity and concentration are get in the open channel flow and as the sewage flow is gravity flow, the equations is fit for this too. ( 2 ) generally speaking, the self - cleaning velocity should be the starting velocity, and it could fit for the self - cleaning target in limited sense theoretically, but when facing some higher requirement, it is not large enough
最後結合污水流動的最小設計流速與顆粒起動流速、臨界不淤流速的關系進行了分析，結論如下: （ 1 ）文中所得出的速度分佈與濃度分佈是在明渠兩相流動情況下推得的，由於污水管道流動多為重力流，是明渠流中的一種，所以文中的分析在認識污水流動特性方面具有一定的參考價值。 -
Driver follower control model with vehicle target velocity based on preview follower theory
基於預瞄跟隨理論的駕駛員跟隨汽車目標速度的控制模型 -
Target velocity and target location are given by the logical function module, and then as the input of the nc repertoire module
邏輯功能模塊給出目標速度和目標位置，輸入nc指令模塊。
分享友人