時空間速度 的英文怎麼說

中文拼音 [shíkōngjiān]
時空間速度 英文
hourly space velocity
  • : shí]Ⅰ名1 (比較長的一段時間)time; times; days:當時at that time; in those days; 古時 ancient tim...
  • : 空Ⅰ形容詞(不包含什麼; 裏面沒有東西或沒有內容; 不切實際的) empty; hollow; void Ⅱ名詞1 (天空) s...
  • : 間Ⅰ名詞1 (中間) between; among 2 (一定的空間或時間里) with a definite time or space 3 (一間...
  • : 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
  • 空間 : space; enclosure; room; blank; interspace
  • 速度 : 1. [物理學] velocity; speed; blast; bat 2. [音樂] tempo3. (快慢的程度) speed; rate; pace; tempo
  1. Because of the huge memory space and rapd calculation speed that compuer possesses, we can manage the ekisted drawings central1y and search them rapidiy in conclusion, the high quality and low price product wtth the help of applytng the cad technology will not only satisfy the requiremen of the market but also help factory amer apply the compeer technology in the process of production ( for example, haher production managemen0 we has applied thes systetn in extuion embranchmen factory and obtained favorable effect wich reveds tha thes system has widely applytng prospect and uti1ity value

    該系統將成組技術的分類編碼原理和計算機輔助設計技術應用於擠壓鋁型材的產品開發設計和產品圖紙的管理中,不僅可以極大地提高產品設計質量、縮短產品開發周期,還可以減少重復繪圖工作及規范制圖方法;同,利用計算機存儲大、運行快的優點,可實現對已有產品圖紙的集中管理和快檢索。利用計算機輔助產品開發,不僅能以高質量、低成本的產品迅滿足市場需求,還可為工廠進一步實施計算機應用工程(如后續生產管理等)奠定良好的基礎。
  2. It is demonstrated by simulations that the control method is efficient and the fully cartesian coordinates is practically efficient. then the inverse kinematics of dual free flying space manipulator are mainly discussed in the third chapter, and the jacobean matrix for dual manipulator space robot is derived by fully cartesian coordinates, a control method for space manipulator based on the resolved motion rate control concept is proposed. then, the computer simulation verifies the effectiveness of the algorithm

    首先,分析了閉環雙臂機器人捕捉目標物體的運動學關系,給出了以完全笛卡爾坐標表示的系統運動jacobi關系;然後,以此為基礎研究了機器人雙臂協調操作的分解運動控制方法和協調操作問題;最後應用matlab語言對平面雙臂機器人系統進行了計算機模擬、模擬,模擬運算證實了上述方法的有效性。
  3. In the hardware design, the paper completes modules ’ design like outside memory, patulous a / d, patulous d / a, rs232 communication, ecan communication, led control, keyboard control, distant control, emulation, reset, logic voltage switch, dsp supply power regulate and ac - dc power circuit, as well as room layout design like anterior panel, back panel etc. and dsp transfers data with peripheral equipments except outside memory using serial ports. besides, the whole circuit is configured in interrupt response. thus, it can meet system demand as well as take full advantage of tms320f2812 ’ s hardware resource. in the software design, the paper finishs programs like the interface programms intercommunicates with people, the distant control program, ad and da modules ’ control program, in addition, the paper select the velocity and acceleration state - feedback algorithm and is written in the program. the software design uses dsp integrate exploiting environment named ccs2. 2 of ti inc. as software instrument, and programs with the combination of c language and assembly language. moreover, in order to maintenance or modify the software expediently and shorten software ’ s exploitation time, the design adopt software modularization technique. finally, some air cylinder experiments are carried out to proved that the pneumatic controller is very practical

    在硬體設計中,本文完成了片外存儲器擴展、 a / d擴展、 d / a擴展、 rs232通信介面、 ecan通信總線介面、液晶顯示控制、鍵盤控制、遠程控制、模擬、復位、邏輯電平轉換、 dsp工作電源校正電路和ac - dc電源等模塊設計以及控制器前面板、後面板等的布局設計。其中dsp與除外部存儲器的外圍設備之的數據傳送全部採用串口通信,同系統電路配置成中斷響應方式,這樣既滿足了系統要求,又充分利用了tms320f2812的硬體資源。在軟體設計中,本文完成了人機界面功能模塊、遠程控制模塊、 ad擴展模塊、 da擴展模塊、和加狀態反饋的控制演算法的程序設計。
  4. The best scheme was chosen after analysis and comparing and the structure was designed. at same time, the kinematics analysis was conducted, coordinate transformation matrix using d - h method was set up, and the kinematics equation direct solution and inverse solution was deduced, the velocity jacobian matrix was constructed using vector product method, and the values of displacement and velocity of some special point including the wrist point were calculated. secondly, the working space of the robot was analyzed and the axes section of practical working space was drawn

    首先,作者針對機器人的設計要求提出了多個方案,對其進行分析比較,選擇其中最優的方案進行了結構設計;同進行了運動學分析,用d - h方法建立了坐標變換矩陣,推算了運動方程的正、逆解;用矢量積法推導了雅可比矩陣,並計算了包括腕點在內的一些點的位移和;然後藉助坐標變換矩陣進行工作分析,作出了實際工作的軸剖面。
  5. The approximate computation method is used in float point computation of system ' s control algorithms on fixed - point dsp after comparing several methods in respect of running time and program space involved, which attains quick computation besides high precision and implements output voltaic with low harmonic and high control precision of frequency

    通過從運行和佔用等方面比較在定點dsp上實現浮點數運算的幾種方法,並選擇了近似計演算法作為系統控制演算法浮點數運算的方法,在保證足夠計算精的前提下達到計算的快性,實現低諧波和頻率控制精高的輸出電壓。
  6. There were high correlations between the amount of electronic assembly productions and assembly scores of the ppmt, but no correlation was found between the amount of electronic assembly productions and the msrt scores within the electronic assembly group

    ( 3 )紙雕及木工組病患之判斷關系與實際從事工作之責任感、理解力、技巧、細動作協調、工作行?類總分,在統計上呈顯著相關。
  7. In the chapter two we discussed that the server would first use speed - 1 to serve customers when the system entered the busy state from the empty state, but when the server found the number of customers in the system exceeded the thresh - n during serving, after finishing the service of current customer it would use speed - 2 to serve the next customer till there is no customer. by the method of supplementary variable, l - transition and constructing vector markov, we attained the distribution of the queue length, the distribution of wait - time, the distribution of stay - time, the utility and etc. in the last part of this chapter, we discussed the optimal n * for thresh n which minimizing the cost function and we illustrate the cost function behaves for various parameter selections by a numerical study

    在本文第二章討論了當系統從閑進入忙期是服務臺以1進行服務,但一旦對某顧客服務完畢如發現系統中的顧客數超過n值就以2服務后續顧客直到系統變的可修排隊系統,通過構造各種向量馬氏過程和吸收向量馬氏過程,獲得了瞬態、穩態隊長分佈、等待分佈、逗留分佈、更新周期分佈等一系列排隊指標以及可用、可靠等一些可靠性指標,在本章最後又從系統如何更好節省費用角出發討論了門限n的最優取值問題,並利用mathematic軟體對費用函數進行了數值模擬。
  8. To air - condition temperature control system, in this paper, firstly, the mathematical model is established by using the differential equations method. though equations deducing to find the control object, which is the relationship between the rooms " temperature - time constants and control system ' s kinds of performance indexes, elucidate the effects of the big rooms " temperature - time constans to the control system. then combined with the requirements of air - condition craft to the control, it is proposed that the main question needed to be solved under the air - condition control system designing is its quickness

    本文首先針對調溫控制系統,建立數學模型,採用微分方程法,通過公式推導,找出調控制對象? ?房常數與系統各項性能指標的關系,闡明房常數大對控制系統的影響,再結合調工藝對控制的要求,提出了對調控制系統的設計應主要解決其快性問題。
  9. Viterbi algorithm is a kind of maximum likelihood decoding method, which can obtain high decoding speed and cost fixed decoding time, so it is widely used in deep space communication

    維特比譯碼演算法是一種最大似然譯碼,它可以得到較高的譯碼以及譯碼計算固定,因而在深通信中得到廣泛應用。
  10. The essence of edid is to set up a normal behavior fuzzy sub collection a on the basis of watching the normal system transfer of the privilege process, and set up a fuzzy sub collection b with real time transfer array, then detect with the principle of minimum distance in fuzzy discern method the innovation point of this paper is : put forward the method of edid, can not only reduce efficiently false positive rate and false negative rate, also make real time intrusion detection to become possibility ; have independent and complete character database, according to the classification of monitoring program, design normal behavior and anomaly behavior etc., have raised the strongness of ids ; use tree type structure to preservation the character database, have saved greatly stock space ; in detection invade, carry out frequency prior principle, prior analysis and handling the behavior feature of high frequency in information table, have raised efficiency and the speed of detection, make real time intrusion detection to become possibility ; have at the same time realized anomaly intrusion detection and misuse intrusion detection, have remedied deficiency of unitary detection method

    這種方法的實質是在監控特權進程的正常系統調用基礎上建立正常行為模糊子集a ,用檢測到的實調用序列建立模糊子集b ,然後用模糊識別方法中的最小距離原則進行檢測。本文的創新點是:通過對特權進程的系統調用及參數序列的研究,提出了基於euclidean距離的入侵檢測方法edid ,不僅能有效降低漏報率和誤報率,而且使實入侵檢測成為可能;設計有獨立而完整的特徵數據庫,根據被監控程序的類別,分別設計正常行為、異常行為等,提高了檢測系統的強健性和可伸縮性;特徵數據庫按樹型結構存儲,大大節省了存儲;在檢測入侵,實行頻優先原則,優先分析和處理信息表中的高頻行為特徵,提高檢測的和效率,使實入侵檢測成為可能;同實現了異常入侵檢測和誤用入侵檢測,彌補了單一檢測方法的不足。
  11. In chapter two, we consider full disceret scheme of mixed finite element methods for the following initial - value problems of linear integro - differential equations of parabolic in this chapter, we give the error analysis of this full discrete scheme and get optimal error estimates for the discrete solutions of u and p

    第二章討論下述線性拋物型積分微分方程初邊值問題混合有限元方法的后差全離散格式。給出了該全離散格式的誤差分析,得到了離散解逼近未知函數u以及伴隨p的關于的最優階誤差估計。
  12. 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,並運用典型的圓概率偏差精分析方法,詳細討論了飛機實施攻擊,飛機的飛行高h 、v 、俯仰角、與目標的偏離角_ x及目標運動特性等對飛機攻擊機和導彈發射機的影響;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,飛機俯沖角和與目標的偏離角_ x對飛機的攻擊范圍的影響;以飛機實施攻擊的t 、彈道特性和對目標的殺傷概率p來評判對地攻擊的效果;最後給出典型算例,通過對地攻擊過程的模擬實現,對飛機飛行過載提出要求。
  13. For video codec, after analyzing and researching the newest standard h. 264, an efficiency algorithm was proposed in this paper using self - feature, spatial correlation and temporal correlation to judge the encoding mode of one macro - block. through this method, the best prediction mode can be obtain before encoding, then, the coding time can be reduced dramatically with a little expense of bit - rate. for video transmission, in this paper, a transmit method was proposed using tcp / ip protocol under the environment of local networks

    首先,在分析及研究最新的視頻編碼標準h . 264的基礎上,利用宏塊自身的特點和其的相關性來判斷宏塊應該採用的編碼模式,從而提前得到該宏塊的最佳編碼模式,新方法有效地克服了原標準演算法中窮舉式的復雜演算法,在壓縮碼流只有少許增加的情況下,大幅地提高了幀內及幀編碼的
  14. By the study, it proved gis to be an indispensability means in the hydrological study. it will exert important function on reasonably using real time space distributing information of hydrology and weather obtained by remote sensing technology, conveniently and rapidly updating hydrological subject database, setting up distributing course model that can reflect hydrologic phenomena and discipline, realizing hydrologic forecast real time, linking up the drainage area model, ground water model and surface water model and then establishing the gis of hydrology theme

    利用gis技術進行水文模擬,仍有許多難題需逐步解決,模擬精也有待提高,但是地理信息系統在水文研究中的作用卻顯得日益突出,它將在合理利用水文遙感技術獲得的水文、氣象等實分佈信息,方便快地更新水文專題數據庫,建立反映水文現象客觀規律的分佈過程模型庫,實現實水文預報,實現流域地面模型、地下水模型和地表水模型的定位銜接及最終建立水文專題地理信息系統等方面發揮重大作用。
  15. This article, according to the common digital keyboard on the mobile communication equipment, make essential research for windows ce - embedded operation system in chinese character input technology and realize with digital keyboard. using tree - like structure that has the space complexity o ( n ) and the time complexity of o ( n ) when searching to store chinese information. chinese input method applying this kind of store technique in chinese table has the quality of high input speed and low memory space

    本文就根據移動通信設備上常見的數字鍵盤,為windowsce嵌入式操作系統在漢字的數字鍵盤輸入技術及其實現方面作了必要的研究;並使用了一種在查找復雜為o ( n ) 、復雜為o ( n )的樹形結構來存儲中文信息,使用這種存儲技術作為碼表內存存放方式的漢字輸入法具有輸入快、佔用少的優點。
  16. All the contents are developed around a set of scaling laws taking the form of exponentials which relate to almost all the issues of complexity including fractals, chaos, strange attractors, localization, and symmetry breaking, etc. the main work can be summarized as follows : starting from the law of allmetric growth three fractal dimensions in a broad sense are derived, and according to these dimensions, geographical space is divided into three levels, i. e., real space, phase space, and order space, each of which corresponds to a kind of dimension. based on the idea of spatial disaggregation and using the rmi ( relationship - mapping - reversion ) principle, the urban system is formulated as three scaling laws of the three spaces, including number law, size law, and area law, which can be transformed into a set of power laws such as allometric law and zipf ’ s law associated with fractal structure

    從異生長律的縱向、橫向和切向三個角將地理劃分為實、相和序,分別對應于系列、序列和等級序列三個層面,每個層面的測各有自己的。基於「循環細分-等級體系-網路結構」的數理等價關系,利用rmi (關系-映射-反演)原則,成功地實現了城市系統宏觀模型的理論抽象,將復雜性問題表徵為簡單的指數式標定律(包括數量律、規模律和尺律) ,這一組標律可以與一組冪次定律(包括具有分形性質的規模-數目律、異生長定律和三參數zipf定律)互為變換。
  17. Comparing with the current observations, which include the number density distribution in space, mass function, etc., the so - called standard modes for both the power law and gaussian cluster initial mass functions are selected among many runs of simulations. the deviation from the standard modes, which is resulted from the change of the parameter for the initial conditions, is discussed in detail. the discussion of the model parameters is also presented although they are adopted as the typical values based on previous work

    對應一定的初始分佈我們發現無論是冪律的還是對數高斯的球狀星團初始質量譜經過長的動力學演化都會得到和現在銀河系觀測到的球狀星團系統相符的對數高斯的質量分佈;動力學演化會明顯地改變球狀星團系統的分佈,靠近銀心區域的球狀星團瓦解得更多;經過動力學演化后的球狀星團分佈函數在靠近銀心的區域明顯得不同於初始分佈,初始擁有較大軌道偏心率的球狀星團更容易瓦解。
  18. In the paper, based on the existing literature research foundation an analog circuit catastrophic fault location approach by using feedforward networks with back ? propagation learning is realized. by this approach, the simulation require ments before test are reduced because fewer training samples are needed, and the fault location process is fast. this method is very efficient in location of single hard fault wit component tolerances. the measureme nt space feature and the general characterization concept of single and double soft fault in linear circuits are presented. according to this concept, a linear circuits soft fault location approach using subhidden layer bpnn is established with element tolerance, and it is shown that this approach is successful in fault location. a double fault feature extraction.,

    本文在現有文獻理論研究的基礎上實現了採用bp演算法前向多層神經網路對直流測試下模擬電路硬故障的診斷方法。其特點是採用少量典型特徵樣本作為bp網路的訓練樣本,獲得訓練樣本的代價小,減少了測前工作量,同診斷快,在考慮元件容差仍有好的診斷效果。文中介紹了線性電路單一軟故障和雙軟故障所具有的電壓增量特性和統一特徵概念。
  19. In this paper a new method based on sa4828 is proposed and realize through dsp, in order to solve the shortcoming which use more hardware resouces, and the problem in precision and stabilization, which is produced spwm using hardware or software simplie, the experiment shows that this method not only use littler hardware resources but also improve the precision and the stabilization. the tradition pid control can not adapt the change of parameter over the control object, and it can not solve the conflict between dynamic index and the static index. this paper introduced the principle of real time operation systerm uc / os - ii firstly. then analyzed the works in porting to dsp, and give the method to resolve the problems to porting it

    此外,這些調節規律本身不能很好的解決系統的動態與穩態指標的矛盾,也就是說採用傳統的pid難以組成諸如機器人那樣需要完成快跟蹤、高精力矩綜合控制的伺服系統。為了解決控制對象參數變化傳統pid適應性差的問題,本設計採用變論域的模糊pid ,提高了精、改善了其調節性能。本文主要作了如下的工作,並取得了成就:利用集成晶元ad2s80來求取,提高了精,簡化了控制的復雜性。
  20. Furthermore the " microflare theory " tried to discuss and find the elementary flares in small space and time scale which might form and trigger the whole solar flare. the detection of radio fine structures showed many observational evidences of " microflare ". the observations and theoretical researches on radio fine structure have been developed fast recently and played an important role in solar radio astrophysics

    著名的「微耀斑理論」 ,試圖從較小的范圍探究太陽耀斑形成和觸發的基本單元,而射電精細結構是微耀斑理論的重要觀測基礎,對射電精細結構的觀測和理論研究已成為太陽射電天文學中快發展的領域,對揭示太陽活動源區的物理本質具有重要的意義。
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