目標運動速率 的英文怎麼說

中文拼音 [biāoyùndòng]
目標運動速率 英文
rate of target motion
  • : Ⅰ名詞1 (眼睛) eye 2 (大項中再分的小項) item 3 [生物學] (把同一綱的生物按彼此相似的特徵分為幾...
  • : Ⅰ名詞1 [書面語] (樹梢) treetop; the tip of a tree2 (枝節或表面) symptom; outside appearance; ...
  • : Ⅰ動詞1 (物體位置不斷變化) move; revolve 2 (搬運; 運輸) carry; transport 3 (運用) use; wield...
  • : Ⅰ形容詞(迅速; 快) fast; rapid; quick; speedy Ⅱ名詞1 (速度) speed; velocity 2 (姓氏) a surna...
  • : 率名詞(比值) rate; ratio; proportion
  • 目標 : 1. (對象) target; objective 2. (目的) goal; aim; destination
  • 運動 : 運動[舊時用語] arrange things or get things done through pull
  • 速率 : speed; rate; tempo
  1. Backed up by the soplat theory based on particle kinematics, the second chapter of this paper presents with analysis and simulation of several single observer passive measurement models, which uses such relative movement parameters as bearings changing rates and centrifugal acceleration information on the basis of bearings measurements. in the third chapter, the observability of location respectively using bearings and its changing rates information and centrifugal acceleration information is analyzed, and its observable condition is got. the fourth chapter puts forward the modified covariance extended kalman filtering ( mvekf ) against the defect of traditional extended kalman filtering ( ekf ), whose performance is simultaneously compared in the chapter with the performance of ususal tracking algorithm such as ekf, mgekf, iekf by computer simulation

    在近年來提出的基於質點學原理的單站無源定位理論基礎上,本文第二章提出了幾種在角度測量的基礎上增加角度變化及相對的離心加度等學參數的單站無源測量模型,並對它們進行了分析和模擬;第三章分別對利用角度及其變化信息定位和利用離心加度信息定位的可觀測性進行分析並得到了相應的可觀測條件;第四章針對傳統擴展卡爾曼( ekf )方法的缺點,提出了一種修正協方差的擴展卡爾曼濾波( mvefk )方法,並將其和ekf 、 mgekf 、 iekf等常用的單站無源定位濾波方法進行了性能模擬比較;第五章通過引入雷達機跟蹤方法和模型,提出了利用角度及其變化對機輻射源跟蹤的多級噪聲自適應方法和imm方法;第六章主要對角度變化和離心加度參數的獲取技術進行了研究,提出了幾種高精度測量脈沖序列多普勒頻變化的方法。
  2. The paper overviews the history of moving targets detection and imaging based on sar, the methods based on doppler filtering, doppler rate filtering, parameter estimation and multichannel sar imaging are discussed in detail. the paper focuses on the two methods used in spaceborne sar which are displaced phase center antenna and along - track interferometric

    論文回顧了合成孔徑雷達檢測與成像的發展歷史,詳細地論述了基於多普勒濾波、基於多普勒濾波、基於參數估計以及基於多通道sar的檢測與成像方法。
  3. This dissertation mainly researches the displaced phase center antenna ( dpca ) technique in the new system, and the contributions are calculated as following : 1. the doppler history is analyzed for the spaceborne bistatic sar, doppler center frequency and doppler fm rate computational methods are studied. summing up is done for the methods of moving target detection and imaging

    本文完成的主要工作有: 1 .分析慢信號特徵以及對sar成像的影響(多普勒中心頻,多普勒斜以及距離徙誤差) ,總結了前sar檢測與成像的主要方法。
  4. Second, by computing the trajectory of the missile and the method of analyzing cep, influences that the fighter ' s height, speed, pitch angle, the deflection angle between fighter and target, and the target moving characters make on the times of fighter attack and missile launch are deeply developed. third, by relating the motion of the missile and the fighter, the influences that fighter ' s dive angle and the deflection angle between fighter and target make on the attack field of the fighter are discussed in this paper when the fighter perform vertical and horizontal attack. criterion of attack effect is proposed focusing on attack time of the fighter, trajectory of the missile and destruction probability to the target

    本文主要完成了以下幾個方面的工作:對導彈可發射區和飛機可攻擊區進行建模,通過對導彈彈道的模擬計算,並用典型的圓概偏差精度分析方法,詳細討論了飛機實施攻擊時,飛機的飛行高度h 、度v 、俯仰角、與的偏離角_ x及特性等對飛機攻擊時機和導彈發射時機的影響;因此,將飛機和導彈結合起來,詳細研究了飛機在垂直平面和水平平面內實施攻擊時,飛機俯沖角和與的偏離角_ x對飛機的攻擊范圍的影響;以飛機實施攻擊的時間t 、彈道特性和對的殺傷概p來評判對地攻擊的效果;最後給出典型算例,通過對空地攻擊過程的模擬實現,對飛機飛行過載提出要求。
  5. Based on the analysis of the kinetic track of the scallion during planting, basic relationships ' among the characteristic parameters of the transplanter with two flexible metal disks, including the velocity of the transplanter, the rate of transplanting, the spacing between seedlings, the angle of releasing seedlings, the diameter and length of seedlings, have been set up in this paper, and then a mathematic model of optimum design for the transplanter with the final planting angle of seedlings ( y = 90 ) has been formulated and solved with good results. according to the optimum solutions, a new type of transplanter with two flexible metal disks has been developed and the field tests of the transplanter have been conducted

    為了實現大蔥機械化移栽,作者分析了國內各種移栽機的結構特點,確定了以撓性圓盤式栽植器為研究對象,在分析撓性圓盤式栽植器的軌跡和特徵參數的基礎上,完整地確立了撓性圓盤式移栽機的基本參數:栽植頻、栽植株距、機組前進度、輸送帶上秧槽的間距、撓性圓盤半徑、撓性圓盤的轉、夾苗株數以及傳比之間的相互關系,並建立了以蔥苗栽植傾角= 90為的優化設計數學模型,提出了撓性圓盤式大蔥移栽機的優化設計方法。
  6. In this dissertation, we studied the tcra1101plus total station position system, which introduced the principle and characters of the instrument ' s closed loop tracking system. also we explained the cause of prism ' s position error and brought forward mathematic model to correct, moreover, the good results has been drawn form the expenriments. the kinetic survey system have been realized, which the sampling rate attain more than 5hz and the position precision can be less than 2mm on condition that targeted - point moving slowly at the velocity below 2cm / s. having finished the survey system to examine whether the fine - tuning stewart platform in good status, we have finished mensurating the position reference of the fine - tuning stewart platform and the offset of the prism

    在此基礎上研製了多臺儀器在線控制高頻采樣態跟蹤測量系統,采樣大於5hz ,在跟蹤小於2cm / s低時,測量精度好於2mm ;完成對饋源二次精調系統的檢測,包括對二次精調平臺位置基準的定和觀測棱鏡偏心差的測定;設計不同態測量實驗,對全站儀態跟蹤的誤差來源和特點進行了分析;從實驗角度,對全站儀的測量時滯及其穩定性進行了測試分析,給出了定量的結果;比較了全站儀和計算機的內部時間系統,發現兩者存在較大差異。
  7. This dissertation focus on a innovation methods for inverter controlled hydraulic elevator system applying pressure accumulator as the " pressure - energy transformer ". the required power supply and running energy can be reduced remarkably when accumulators storing and releasing pressure oil. then the key items about hydraulic speed control system based on the ens 1 - 2 and other hydraulic elevator standards are investigated in detail

    本論文主要研究了採用蓄能器-液壓泵馬達構成的「壓力-能量轉換裝置」來儲存釋放變頻驅液壓電梯系統的能量,從而降低液壓電梯裝機功行能耗的新方案;在此基礎上,根據國內外液壓電梯的準進行了與度控制相關的關鍵項測試,最後針對本課題研製的節能控制系統與當前市場上幾種典型的液壓電梯控制系統進行了能耗對比研究。
  8. The single - observer passive locating method with phase difference rate of change and some key technologies - are studied in this dissertation on the applying background of locating remote slow offing targets with fast plane. this dissertation is outlined as follows

    本文面向快的空中觀測平臺對海面慢定位的特定應用背景,利用相位差變化方法進行了單站無源定位體制和關鍵技術的理論研究。
  9. Thermal stress control system actually gather the real - time data of unit sets , compute temperature fields , stress fields and maximum dangerous stress by the math modal , decide target and speedup rotation in every stage of startup process , and justify automatically to realize auto control a serial of processes of turbine , such as speedup , warm - up , connecting net , load changing , stop and unsteady condition etc , and improve automatic level of the unit sets. turbine auto startup ( tas ) system can automatically evaluate steam turbine ' s startup and load changing process according to thermal stress of

    熱應力控制系統實際是對機組行參數進行實時採集與監控,通過數學模型實時地計算高、中壓缸轉子的溫度場、應力場分佈,以及最危險熱應力,以確定啟過程各階段的轉數及升,並進行自調整,實現機組沖轉、升、暖機、並網、升負荷、停機以及異常工況下的自控制,大大提高了機組的自化水平。
  10. This system makes a breakthrough of traditional incremental motion control theories. it breaks the strict ambit between continuum and discrete, speed and position, rotation and step, the space vectors of stator magnetic field and rotor magnetic field are selected as the main control objects, incremental motion control and motion control are combined organically to make incremental motion control develop to large capability, high efficiency, high precision

    這其中的交流步進控制理論打破了傳統的增量控制思想,打破了連續與離散,度與位置,旋轉和步進的嚴格界限,以定、轉子磁場空間矢量為主要控制,將增量控制與控制有機的結合起來,使增量控制向大容量、高效、高精度方向發展。
  11. Send the real - time position, velocity of the moving object. received by gps oem caxd, associaied with the status information of the vehicle devices, to the monitoring centef, by way of the mobile conununication network. the monitoring system, based on some gis software, displays the tracks of the mobile objects on the eiectronic map, and users could supervise and query their iaterested parameters such as the location or velocity of the vehicle, the general information of vehicles, as so on, so that provide bases for vehicle management, improve the efficiency, or assure vehicles against accidents

    車輛監控系統是its的重要組成部分之一,它將全球衛星定位技術、地理信息技術( gis )和現代通信技術結合在一起,通過將裝有gps接收機的移態位置、度、狀態等信息,實時地通過無線通訊鏈路傳送至監控中心,在具有強大的地理信息查詢功能的電子地圖上進行移軌跡的顯示,並可以對的準確位置、度、方向、車輛狀態等用戶感興趣的參數進行監控和查詢,為調度管理提供可視化依據,提高車輛的營效,確保車輛安全。
  12. Due to the fact that joint position errors decrease when the jerk decreases, comparisons with an alternative global optimum target relating to minimum - jerk ( mj ) trajectory are exposed and the favorable joint trajectories are obtained by introducing a factor

    考慮到加度變化對路徑跟蹤的影響,比較與加度變化相關的不同的優化函數時的路徑跟蹤性能,提出引入一個時間系數來修正總時間,獲得跟蹤性能良好的關節軌跡。
  13. The pneumatic marker - made machine tool runs well with reliable hardware, which is provided with some characteristics, such as no air pollution, rapid speed, high precision. so the prospective design aim can be realized

    研製完成的氣行平穩,列印效高,軟體使用方便,具有無氣體污染,度快,精度高等優點,達到了預期設計
  14. During this paper, definition of the measure enter - cover - probability is given, andthree - dimension detection space are transformed to level detection circles on differentheights. aiming at the most normal situation of symmetric line, cross - to line and cross - awayline taken by the carrier, probablely - enter - cover - target - distribution are analysed in relativemovement method on the premise that targets fly perpendicular to the flying direction of thecarrier. mont - cario method is used to simulate uniformly - distributed - targets situation and getthe measure, and results are used to analyse the influence of line - landscape - orientation - ratio, line - portrait - ratio, and speed - ratio on the measure. for further research, influences of height and blind space are also discussed on base ofradar level detection range, and situations of non - uniformly - distributed targets are alsoresearched

    為了分析主探測空間態性能,本文首先提出以「進入雷達覆蓋區概」 (簡稱為「覆蓋」 )作為評價指;然後將三維探測空間轉換為不同高度層對應的水平探測圓,針對載機採用雙平行航線、交叉相向航線和交叉同向航線的最一般情形,採用相對的方法,分析垂直入侵時可能進入雷達覆蓋區的分佈情況;再用蒙特卡洛法進行模擬計算,分析並比較服從均勻分佈時航線橫比、航線縱比及度比對性能的影響。
  15. In this paper, probability concepts are applied to establish the probabilistic analysis method on dynamic stability of high - speed railway cwr. dynamic stability and its reliability of high - speed railway cwr are analyzed on the base of first - passage failure criterion. this paper aims to give out design reliability index and the safe allowable temperature limits under design reliability index for high - speed railway cwr dynamic stability in china

    本文用概統計理論,提出無縫線路力穩定性的概分析方法,基於首次超越失效準則分析了無縫線路力穩定性和及其可靠度,提出我國高鐵路無縫線路穩定性的可靠指建議值,確定了滿足預期可靠度的允許溫升準。
  16. In this paper, we analyze the reason that it is difficult to process the doppler frequency shift signal generated by low velocity moving target and discuss the kalmus filter performances for low velocity moving target detection

    本文分析了低的多普勒頻移信號難以處理的原因,並討論了kalmus濾波器(零波器)對低的檢測性能。
  17. In chapter four this paper proposes a kind of imm algorithm which uses many kinds of models and does some simulations ; a kind of imm algorithm based on time - varying markov transition probabilities matrix is introduced and simulated ; based on the two algorithms above, a new modified imm algorithm which merges many kinds of models and time - varying

    在第四章中本文提出了一種使用多種機模型交互的imm演算法並作了模擬;介紹了一種基於時變馬爾可夫轉移概矩陣的imm演算法並作了模擬;在此基礎上提出了一種改進的imm演算法,演算法結合使用多種模型及時變馬爾可夫轉移概矩陣,模擬結果表明其獲得了對高高機較好的跟蹤性能。
  18. It involve in these concrete modes, adjust organizational structure according to enterprise goal, establish flat organizational structure, implement integration operating strategy mechanism, eliminate departmentalism, raise the rw company efficiency and strengthen the ability of fast reaction to market, and carry out business process reengineering, regard " order " as the principal line of business process reengineering, implement integration operating mechanism in product development and manufacture with marketing aspect, carry out " dumbbell " development strategy. simultaneously adopt humanism management measures, advocate employee to participate management, allow of personnel flowing, encourage teamwork, adopt competition and condemn mechanism to quicken human resource management innovation, attach importance to intangible assets management, meanwhile take advantage of modern information technology fully, quicken information building, adequately make information means to be used in enterprise management, all in all management innovation is necessary for rw company according to the change of customer and market competition, in order to raise enterprise core competition ability

    具體而言,要以企業為導向調整組織結構,建立扁平化組織,強調一體化作機制,消除本位主義,提高組織效和對市場的快反應能力;實施業務流程重組,將「訂單」作為企業業務流程的主線,推行「研發、製造、營銷環節一體化」作機制,實施「啞鈴型」發展戰略;同時實施人本管理,倡導員工參與管理、人員流、團隊工作、競爭與淘汰等新機制加快人力資源管理創新,重視企業無形資產經營;同時充分利用現代信息技術,加企業信息化建設步伐,實現企業管理全面信息化。
  19. According to it, the following facts, which are difficult to explain in line with what is in the economics textbook, are consistently analyzed and interpreted continual falling of the consumption propensity of residents in china since 1990s ; the reason the value of m2 / gdp is much higher in china than other countries in the world at the corresponding period ; the causes of deflation in china ; the reason the macroeconomic policies, especially monetary policy, fail to work ; the reason the growth both output and price level comes into being instead of stagnation when the price of oil rises ; the reason the two objectives of monetary policy failed to accomplish simultaneously ; the stability of macro - economy in the case of controlled interest rate and exchange rate at the end of this thesis, some suggestions are put forward to accomplish the continually rapid growth for chinese economy, starting the rising of consumption with fiscal policy, ensuring the stable operation of macro - economy with monetary policy, and facilitating the adjustment of economic structure with industrial policy

    本文從轉型期中國經濟的具體實踐出發,在對微觀經濟主體居民和企業的行為特徵和經濟行的宏觀背景進行歸納和抽象的基礎上,結合宏觀經濟理論的最新發展,建立了一個轉型期中國宏觀經濟分析的理論框架,先後分析和解釋了? 20世紀90年代以來我國居民消費傾向的持續下降; ? 20世紀90年代以來中國的m _ 2 / gdp為何遠遠高於同期世界其它國家; ?通貨緊縮的成因; ?宏觀調控政策尤其是貨幣政策效用受阻的原因; ?為何在石油價格上漲的情況下,我國沒有出現「滯脹」 ,而是出現了物價水平和增長的「雙增長」 ; ?貨幣政策的兩個無法同時實現的原因,以及?利管制下經濟行的穩定性等這些按照經濟學教科書難以解釋的現象。論文最後建議,以財政政策啟消費、以貨幣政策保障宏觀經濟的平穩行、以產業政策促進經濟結構的調整,實現我國經濟的持續快發展。
  20. Compared with the results of the other objective functions such as minimum input joint torques and minimum input joint angular velocity, the power consumption can be decreased and the kinematical and dynamical performances will be better by dynamic programming when taking the minimum joint input power as the objective function

    與採用輸入關節力矩最小和輸入關節度最小為時的力規劃結果相比,以關節輸入功最小為規劃進行力規劃時,可降低系統的能耗,同時系統的學和力學特性較好。
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