角跟蹤精度 的英文怎麼說

中文拼音 [jiǎogēnzōngjīngdù]
角跟蹤精度 英文
angular tracking accuracy
  • 角 : 角Ⅰ名詞1 （牛、羊、 鹿等頭上長出的堅硬的東西） horn 2 （古時軍中吹的樂器） bugle; horn 3 （形狀像...
  • 跟 : Ⅰ名詞（腳的後部或鞋襪 的後部） heel Ⅱ動詞1 （在後面緊接著行動） follow 2 （指嫁給某人） be marrie...
  • 蹤 : 名詞（腳印; 蹤跡） footprint; track; trace; trail
  • 精 : Ⅰ形容詞1 （經過提煉或挑選的） refined; picked; choice 2 （完美;最好） perfect; excellent 3 （細）...
  • 度 : 度動詞[書面語] （推測; 估計） surmise; estimate
  • 跟蹤 : follow the tracks of; tail after; following; follow up tracing; track; tracking; trail; lock on; ...
  • 精度 : precision; accuracy; degree of accuracy; precision accuracy; trueness
  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運動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率及相對運動的離心加速度等運動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率信息定位和利用離心加速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動目標跟蹤方法和模型，提出了利用角度及其變化率對機動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率和離心加速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率變化率的方法。
  2. Fixed camera fastening its interior is loaded with an electric motor, on installs the good camera after the level to be possible to adjust the angle which the camera deals with, after achieved the best surveillance effect may accept the automatic control regulator by the electric motor the signal precisely to move the localization in under the control signal function, the camera already may automatically carry on the horizontal scanning to monitor the region, also may in under the monitoring center attendant s operation the moving surveillance object input voltage : ac 24v 50 60hz, 110v 60hz, 220v 50 60hz external dimensions : 119mm 115mm is high the weight : 0. 9kg material : abs high strength casts takes shape the degrees rotation : level biggest : 350, vertical 90 may adjust the velocity of whirl : 5 second 4 seconds revolve the spacing : exterior spacing card tunable load : 7kg function input plug : 1

    Kl - 306室內水平雲臺是安裝，固定攝像機的支撐設備.它內部裝有一電動機，在水平雲臺上安裝好攝像機后可調整攝像機俯仰的角度，達到最好的監視效果后可由電動機接受來自控制器的信號精確地運行定位.在控制信號的作用下，雲臺攝像機既可自動進行水平掃描監視區域，也可在監控中心值班人員的操縱下跟蹤監視對象
  3. 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動態跟蹤測量系統，采樣率大於5hz ，在跟蹤小於2cm / s低速運動目標時，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標定和觀測棱鏡偏心差的測定；設計不同動態測量實驗，對全站儀動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。
  4. The traditional evaluating and testing the tracking precision of o - e theodolite tv tracking system is nearly invalid when o - e theodolite tracking fast moving targets by analyzing in theory and simulating in this dissertation

    論文首先通過理論分析和模擬，分析了傳統的評價和檢測光電經緯儀電視跟蹤伺服系統跟蹤精度的方法無法評價光電經緯儀跟蹤快速角速度、角加速度運動目標的情況。
  5. Abstract : angular glint error ( age ) is the main factor affecting angle tracking of millimeter wave ( mmw ) radar seeker so must be suppressed

    文摘:角閃爍誤差是影響毫米波導引頭末制導階段雷達跟蹤精度的主要因素，必須對其進行抑制。
  6. The concept of acceleration delay compensation is put forward in this dissertation. by using acceleration delay compensation and tv tracker compensation technology the tracking capability of o - e theodolite tv tracking system is promoted to track fast moving targets at maximal 50 / s angular velocity and maximal 30 / s2 angular acceleration other than maximal 30 / s angular velocity and maximal 12 / s2 angular acceleration before while the maximal tracking error is still less than 3

    提出了加速度滯后補償的概念，並將其應用到提高電視跟蹤穩態精度中；結合電視跟蹤器補償技術，在保證最大跟蹤誤差不大於3的條件下，將目前的光電經緯儀電視跟蹤系統跟蹤最大角速度30 / s 、和最大角加速度12 / s2能力，提高到跟蹤最大角速度50 / s 、最大角加速度30 / s2 。
  7. The system discussed is an ac servo system, which needs high following precision. through surveying and comparing, the least beats and no wave control system is used to control auxiliary motion to get good performance

    由於本系統採用全數字交流伺服隨動控制系統，要求對電機轉角實時調整，並有較快的跟蹤速度和較高的跟蹤精度，故對控制系統和控制方法都有較高要求。
  8. Using the eye - gaze distinguishing and tracking method based on the image processing technique, the position relationship between pupil center and glint which produced by the corneal reflection and the near - infrared light was analyzed, the fixation point of the eye - gaze on display screen was deduced, and the mouse accuracy by eye - controlled in the screen may achieve to 40 pixels

    摘要利用基於圖像處理技術的視線方向識別、跟蹤方法，通過近紅外光線在眼睛角膜反射產生的光斑和瞳孔中心的位置關系來確定視線方向，推導出人眼在計算機屏幕上的注視點，進而實現人眼對鼠標的定位與操作，其在顯示屏上定位精度可達到40 40像素。
  9. 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間的矛盾，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速跟蹤、高精度力矩綜合控制的伺服系統。為了解決控制對象參數變化時傳統pid適應性差的問題，本設計採用變論域的模糊pid ，提高了精度、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來求取空間角度，提高了精度，簡化了控制的復雜性。
  10. Moreover, its interior pll circuit substitutes traditional pll. as a result, the presented design not only overcomes some shortcoming of traditional circuit such as tracking speed and accuracy, but also gets rid of response lag time and multi - phase noise. the system design is also important to improve our country ' s fault diagnosis standard

    而該系統內部鎖相電路代替了傳統方法中的pll ，因此，提出此系統設計不僅能夠克服基於傳統鎖相環電路的等轉角采樣方法跟蹤精度低、速度慢和使用不便等特點，還能克服電路中的由於不可避免的響應延遲時間所導致的不適合快速的列車運行及過多的相位噪聲問題，對于推動我國鐵路故障在線診斷技術的應用普及具有重要意義。
  11. Methods based on statistics for dimensional position and data processing were suggested for the calibration of the dimensional angle shown by a programmable dynamic target using linear matrix ccd and video interpretation. studies in this paper show that the programmable target system is functional and capable of testing photoelectric theodolite. consequently conclusions can be drawn that programmable dynamic target is new equipment to tes t photoelectric theodolite, not only can it check and test the performance, but also can measure the precision

    得出了初步結論：可編程動態靶標由於配置了位置輸出元件和時間統一系統，實現了位置閉合，能對靶標的運動進行有規律的控制，克服了常規旋轉靶標的固有缺點，可以提供模擬目標的空間標準角，因此可編程動態靶標不僅可以作為跟蹤靶標使用，還可以作為測量靶標使用，是檢測光電經緯儀跟蹤性能和測角精度的新裝置。
  12. Reactive power are calculated using the new algorithm. on the basis of analyzing different kinds of control strategies of var compensation, the paper applies the criterion of voltage and var to control switching and illustrates a improved mode of switching capacitor which can prevent the switched - capacitor from the impacting of instantaneous rush currents by means of zero - crossing triggering of scr components, and can realize auto - tracking var and auto - switching shunt capacitor bank. initial operating parameters are stored in information flash memory of the mcu using flash self - programming technique in order to decrease complexity of the circuit and improve stability

    高壓智能無功補償控制器以flash型16位單片機msp430f149為控制核心，採用了一種相角實時測量的新演算法，並在此基礎上計算出了功率因數、有功和無功，減少了運算量提高了精度；在分析了各種無功補償控制策略的基礎上，以母線電壓和無功功率復合判據控制投切，並提出一種改進的電容器投切方式? ?暫態投切控制晶閘管過零觸發，避免了電容器投切時的電流沖擊；穩態運行時接觸器替代晶閘管，實現無功補償的自動跟蹤和電容器的自動投切，解決了投切時的暫態電流沖擊和穩態時可靠運行的難題；控制器的原始運行參數採用flash自編程技術，將其保存在msp430f149片內的信息flash中，簡化了硬體電路，大大提高了系統的可靠性。
  13. The coordinate transformation technology is adopted to compensate real time attitude angles of the swinging ship on the azimuth and pitching axis of tracking equipment in order to stabilize los and improve precision

    故採用坐標變換技術，在跟蹤設備的方位和俯仰軸上對船搖姿態角進行實時補償，達到視軸穩定、提高精度的目的。
  14. Generally, apsse is used to implement the measuring of the precise angle and position of ground goal or space goal

    一般機載光電跟蹤測量系統用來在飛機上實施對地面目標或空間目標的精確角度及位置的測量。
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