無跟蹤 的英文怎麼說

中文拼音 [gēnzōng]
無跟蹤 英文
track free
  • : 無Ⅰ動詞(沒有) not have; there is not; be without Ⅱ名詞1 (沒有) nothing; nil 2 (姓氏) a surn...
  • : 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...
  • : 名詞(腳印; 蹤跡) footprint; track; trace; trail
  • 跟蹤 : follow the tracks of; tail after; following; follow up tracing; track; tracking; trail; lock on; ...
  1. Noninvasive dynamic tracing is very important to the alimentary canal micro drug delivering device

    摘要對消化道微型藥物釋放裝置在體內的運動進行創動態更具有特別重要的意義。
  2. So it is necessary to study the driving structure and control scheme of new system radar in order to track continuously in whole hemisphere without blind zone

    因此,研究新體制的三軸雷達的驅動結構及控制方案以實現大於半球的全空域縫隙連續就變得十分必要。
  3. In recent years, the water - saving and control irrigation technique of rice has diverted from plot experimental and demonstration to lare scale. and has got remarkable economic and social benefits. amed at the characteristics of this irrigation area, optimal selection for water - saving techniques of rice, deciding the amout of leaching water and irrigation modles, investigating the adaptability of the water - saving and control irrigation technique in saline land. studying the increase in production mechanism of the technique are important to extend the technique, to better and develop saline land as well as slick spots. according to the results of field experiments, optimization study was conducted on the water - saving irrigation technique of rice in saline land, the effects of different water - saving irrigation techniques on the physiological indexes and yield of rice were systematically analyzed. by using mutiplepurpose fuzzy optimization method, better. water - saving irrigation technique was selector out, that is. the control irrigation technique in rice. the mechanism of it was analyzed from the aspect of the physiological and ecological saving water of rice to provide the implemental process and technical point ; throgh the quantitive analysis and comparision on control irrigation and control class ( flood irrigation ), high production and quality mechanism of the technique was analyzed in terms of physiology indexes of rice, the variation of soil moisture, the pest resistance and the lodge resistance, the change of soil temperature in paddy fields. the yield constitutive factors, the quality of rice and so on. in saline land. control irrigation and intermittent leaching modles were adopted to validate the adaptability of the technique in irrigation of rice in saline land, to analyze rice ' s physiological - ecological indexes and the change of soil salt content under the conditions of control irrigation leaching of rice and and to provide control irrigation and combined modle of intermittent leaching to adapt to different conditions

    本文從試驗及試驗資料入手,取得以下主要成果和結論:對鹽堿地水稻節水灌溉技術進行優化研究,系統地分析了不同節水灌溉技術對水稻生理指標及產量的影響,採用了多目標模糊優化的方法,對灌水技術進行綜合評判,優選了節水灌溉技術,論證該地區宜採用水稻控制灌溉技術;闡述控灌技術通過調節和控制水稻的需水規律,降低水稻高產情況下的效水量消耗,從水稻生理、生態節水兩方面分析了控灌技術節水機理,針對性地總結出水稻各生育期實施節水控灌技術的步驟及技術要點;通過控灌與淹灌的定量對照比較,從根系、莖蘗、冠層葉片及綠葉動態到株高,土壤水分變化,抗病蟲害、抗倒伏能力,稻田土溫變化,產量構成因素及稻米品質等諸多方面進行動態比較,分析控灌技術高產優質機理;在鹽堿稻地採用控制灌溉+間歇淋洗模式,測試田間水鹽變化狀況,驗證控制灌溉技術在鹽堿地區水稻灌溉中應用的適應性,通過分析水稻控制灌溉淋洗條件下水稻生理生態指標,提出優化控制灌溉+間歇淋洗組合模式,為進一步在高礦化度地區試驗水稻控灌技術奠定基礎。
  4. The present paper presents the chain recurrent set with the expansive homeomorphism and shadowing properties and this connection for the mistake in literature [ 1 ] and its proof

    摘要給出具有性可擴同胚的鏈回歸集的幾個性質,指出以往文獻中證明鏈回歸集環性時的錯誤之處,並給出嚴格的證明。
  5. Abstract : the present paper presents the chain recurrent set with the expansive homeomorphism and shadowing properties and this connection for the mistake in literature 1 and its proof

    文摘:給出具有性可擴同胚的鏈回歸集的幾個性質,指出以往文獻中證明鏈回歸集環性時的錯誤之處,並給出嚴格的證明
  6. Laser tracking interferometry, which is a developing absolute distance measurement technology, is extensively applied in large - scale high accuracy assembly and inspection of product lines in aerospace, automobile, machine building and water and electricity construction

    激光測量是近年來發展起來的一種導軌精密測長技術,可以應用於航天航空、機械製造及水電建築等行業的大型機械現場組裝與安裝。
  7. Methodology for absolute measurement is proposed by using an outside installation mechanism in laser tracking measurement system, which has an important reference value in practicality in high accuracy assembly and inspection of large - scale mechanical field. spherical tracking servo mechanism " s model described in this paper not only is a new thought but also have much reference value in the mechanical design and other industrial machines design

    本文提出的外置式激光測距系統應用於導軌曲線測量的設計方法在大型機械現場組裝與安裝中具有較高的參考價值和實用價值,提出的球形伺服機構的設計思想,不僅簡化了伺服機構,對伺服機構的設計提供了新思路,而且對機器人設計及其他工業領域機構設計都具有一定的參考價值。
  8. In this thesis, firstly, we put forward a new algorithm of the synchronization of carrier reference phase, that is to use the curve synthesizing with the general digital carrier phase looper to have an estimation on carrier frequency within 10 ms so as to meet the need of meteor burst communication. we have done some simulations to get the performance of carrier frequency estimation using two modulation modes ( 16qam and 4 - qpsk ), and had some test on the carrier phase looper in conditions when using different baud rate transmission and when the baud tuning have windage

    我們對兩種正交調制方式( 16qam和4 - qpsk )進行了模擬工作並給出了模擬結果,同時討論了碼元同步定時誤差對鎖相環路工作的影響並根據流星通信中使用變速率傳輸時鎖相環路的載波同步性能進行了測試;然後在基於軟體線電思想的數字處理平臺(該數字處理平臺實現了中頻數字化)上用dsp軟體完成了載波的相位
  9. The paper designed aerodynamic control system of pith and yaw channels and roll angle stabilization system, by using unsteady - state error follow - up control theory and state observation station theory in modern control theory

    本文使用現代控制理論中的靜差控制系統理論與狀態觀測器理論,設計了俯仰、偏航兩個通道的氣動力控制系統和滾轉角穩定系統。
  10. The wrath of mr. arthur pendennis rose at the poor old fellow's feeble persecution.

    可憐的老人這種力的,只是引起了亞瑟潘登尼斯先生的憤怒。
  11. Tacholess order tracking filtering for run - up or coast down vibration signal of rotating machinery based on zero - phase distortion digital filtering

    轉速計旋轉機械升降速振動信號零相位階比濾波
  12. Targets in the radar ppi have the main property of the little area, a few targets and irregular change of grey. so it is difficulty to detect and track the target. the study of the radar ppi is very few inland and abroad. with the development and implement of high resolution radar and high resolution raster display, target _ tracking and detecitng based on the radar ppi will be feasible. it ' s great excellence is to increase time accumulation compare with the detecting techenicial of the traditional radar

    雷達ppi中目標的特點是面積小,目標或可能的目標多,灰度、形狀變化明顯規律,所以檢測和目標比較困難。基於雷達ppi的研究國內外甚少,隨著高解析度雷達和高分辨光柵顯示器的發展,基於ppi的雷達目標檢測和成為可能。與傳統的雷達目標檢測技術相比,其潛在的優勢在於大大增加了信號的時間積累,因此有可能提高檢測性能。
  13. For two weeks, scientists have been tracking the northern right whale and planning the unprecedented rescue mission

    兩周以來,科學家們一直在一頭北方露脊鯨並計劃展開一項史前例的拯救行動。
  14. The text uses the method of ray tracing that is based on improved traditional mirror image principle of the radio wave forecast and two ray propagation model, which can be used in any complex propagation environment and found any propagation path from the sending set to receiving machine without redundancy computer

    本文是基於線電波預測中傳統的鏡像原理與雙射線傳播模型的結合而提出的改進了的射線演算法,它能用於任何復雜的傳播環境中,能找到從發射機到接收機之間的所有傳播路徑而須冗餘的計算。
  15. 17minutes after launching, its first radio signals beeped to the tracking station in manchester england

    發射后17分鐘,它的第一組線電信號就發送到了英國曼徹斯特的太空站。
  16. First from system aspect, this paper uses voltage sensitivity, pv curves method, equivalent reactive compensation method, back - up generation method to evaluate the reactive value of the generators in seven buses system and ieee 14 buses system. the vs and pv methods can evaluate the source ' s ability of tracking the load ' s variation. the erc and back - up methods can evaluate the availability of replacing other generators. the value determines the cost

    從對系統貢獻角度,採用電壓靈敏度方法( vs法) 、 pv曲線法、等效功補償法( erc ) 、功備用方法來確定一個七節點系統中的發電機的功價值和ieee14節點系統的發電機的功價值,電壓靈敏度法和pv曲線法可比較出不同電源負荷變化的靈敏度大小,而等效功補償法和功備用方法可比較出不同電源替換其它發電機是否是最有效率的。
  17. The manner of modulation, the spread spectrum codes, and the manner of the acquisition and tracking are discussed. barker codes, dpsk and match filter with the ability of rapid acquisition are concluded as the appropriate manner for cdma missile controlling and guiding

    對擴頻碼、調制解調方式、捕獲與方式進行討論,得出barker碼、 dpsk 、匹配濾波器快速捕獲是適合便攜式反坦克導彈cdma線制導的相應工作方式。
  18. 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方法和模型,提出了利用角度及其變化率對機動輻射源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。
  19. The sixth chapter studies the techniques in measuring the bearings changing rate and centrifugal acceleration, and poses several algorithms of measuring pulse doppler shift frequency changing rate. to sum up, this paper studies the key problems in soplat based on particle kinematics and some solutions to them

    總而言之,本文系統地研究了基於質點運動學的單站源定位與領域的主要關鍵技術問題並提出了相應的解決方法,其中某些分析結果和方法可直接應用於實際的工程應用。
  20. In attempt to prepare and investigate the novel high - performance electrically conductive polymer composites, the binary and multicomponent electrically conductive nanocomposites as well as the combined nano and in - situ composites were prepared with polypropylene ( pp ) served as the matrix, expanded graphite ( eg ) as a conductive filler, nylon 66 ( pa66 ) as a modifier, and maleic anhydride grafted polypropylene as an eg intercalater and the compatibilizer of pp - pa66, based on the state - of - art development in the realm of polymer / inorganic nanocomposites and polymer / polymer in - situ composites domestically and overseas. the main outcomes are obtained as follows : 1

    本論文以制備和研究新型高性能聚合物導電復合材料為目的,和借鑒國內外在聚合物機物納米復合、聚合物聚合物原位復合領域的最新研究成果,制備和研究了以聚丙烯( pp )為基體、膨脹石墨( eg )為導電填料、尼龍66 ( pa66 )為改性劑、馬來酸酐接枝聚丙烯( gpp )為eg插層劑和pp ? pa66增容劑的二元及多元導電納米復合材料和納米復合與原位復合組合復合材料,取得了以下主要研究成果: 1
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