捕獲時間 的英文怎麼說

中文拼音 [huòshíjiān]
捕獲時間 英文
acquisition time
  • : 捕名詞(姓氏) a surname
  • : Ⅰ動詞1. (捉住; 擒住) capture; catch 2. (得到;取得) obtain; win; reap 3. (收割) reap; harvest Ⅱ名詞(姓氏) a surname
  • : 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...
  • : 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...
  • 捕獲 : 1. (捉到; 逮住) catch; capture; succeed in catching; acquire; arrest; seize 2. (俘獲) trapping
  • 時間 : time; hour; 北京時間十九點整19 hours beijing time; 上課時間school hours; 時間與空間 time and spac...
  1. The complex nonlinear pursuit - evasion model of two spacecraft in near - earth coplanar orbit is simplified to linear model, the circular region the radius of which is equal to capture radius is defined as target set, capture is achieved when the evader come into the target set and the game is over ; the boundary of useable part ( bup ) is determined, and the analytical form solution of the linear equations is obtained by backward integration of the state variables from the bup, the linear barrier of the pursuit - evasion model and the optimum thrust of the both sides are thus obtained

    本文將近地共面軌道內運動的兩飛行器非線性追逃模型簡化為線性模型,以半徑的圓域定為目標集,確定目標集邊界上的可用部分,並以此為各狀態變量的起點,對進行倒向積分,求得線性方程組的解析解,從而確定了該追逃模型的線性界柵,以及界柵上對策雙方的最優推力,即求得了滿足最優策略相對運動的軌跡和推力。
  2. Contrapose to the instability of the third - order charge - pump pll system, the loop optimization method is employed in system level design to decide the bandwidth and phase margin, therefore the loop bandwidth locates at the maximum phase margin to guarantee the stability of the system. according to tsmc 0. 35 m sige bicmos model, the sub - circuits in the designed pll and the whole system are simulated and verified by the cadence spectre

    5 .根據tsmc0 . 35 msigebicmos工藝模型,利用cadencespectre模擬軟體對所設計的電荷泵鎖相環路中各個模塊及整個系統進行了模擬模擬,模擬結果顯示,在1 . 5v電源電壓下,頻率為200mhz的參考輸入信號,輸出中心頻率為800mhz ,分頻電路採用4分頻,環路帶寬為10mhz ,捕獲時間大約為0 . 92 s ,功耗大約為15mw ,達到了設計指標。
  3. The synchronization of frequency hopping method referenced the jtrs radio system of usa military, and designed a synchronization method used in our radio include creating the frequency hopping map and the base band frame architecture in frequency hopping mode. the paper also analyzed the synchronization capability on theory. it has been proved correct on theory by showing the false probability, capture probability and the synchronization time

    對跳頻圖案的產生和跳頻的幀結構,本文不僅從理論上分析了同步性能,給出了虛警概率和檢測概率,估算了同步的捕獲時間,證明均能滿足系統指標要求,而且通過與合作單位進行的整機聯調和實測證實了該方案的可行性。
  4. Because the hybrid acquisition scheme ( combines parallel search with serial search ) based on the correlator provides the flexibility in the trade - off between the mean acquisition time and system complexity and is easy to implement, it ? focus on the scheme here. on the other hand, this paper analyzes the effect of multiple access inference ( mai ) on the code acquisition performance for the multipath fading channels

    基於相關器解擴的串-並混合方案由於有著可在平均捕獲時間和電路復雜程度(這是電路的兩個重要指標)這兩個技術指標靈活折衷的優點和易於實現的特點,本文的重點就放在該方案中。
  5. To overcome this problem, the author researching from the core of active disturbance rejection control theory " fal function ", having the advantage of : small errors, large gains ; big error, the small gains character, designs a nonlinear pid gesture controller. simulation results showed that the design of nonlinear pid controller shortening the small satellite gesture catch time and improving the attitude control precision

    為了克服這個問題,本文從自抗擾控制理論中的核心「 fal函數」出發,基於fal ( e , , )函數具有:小誤差,大增益;大誤差,小增益的特性,設計了一種非線性pid姿態控制器,比較好的縮短了小衛星姿態捕獲時間,一定程度上提高了姿態控制的精度。
  6. When analyzing the principle and performance of the lsdll, circular flowgraph is used. the expression for " penalty " time and mean and variance of the acquisition time is derived from the circular flowgraph of large step acquisition method

    在理論方面,本文利用圓形狀態圖對大步進快速法的工作原理進行研究和分析,導出由相關處理、大步進、虛警概率、檢測概率和虛警「代價」表示的捕獲時間平均值及其方差的表達式。
  7. Quantum capture is a complicated process and capture time computation and experiment test are provided. it is difficult to ascertain carrier ' s transportation and distribution in multiply quantum wels and tunneling time and heating emitting time computations are also provided. optical gain whose formula is complicated is a critical parameter and it is useful for structuring model to obtain a concise formula by means of experiment curve

    詳細說明了確定半導體激光器速率方程的一些重要參量的方法,如:載流子在三維sch區的輸運行為對激光器的調制特性有較大影響;量子阱對載流子的是一個復雜的過程,文中給出了量子捕獲時間的計算方法以及實驗證明;多量子阱中載流子輸運與分佈也是相當復雜的問題,文中給出了隧穿與熱發射的計算方法;光增益是關鍵的參量,它的解析式相當繁瑣,由實驗曲線擬合其較為簡明的經驗式,對定模工作是有利的。
  8. ( 2 ). according to the system indices and requirements together with the technology characteristic, it researches the capture possibility of apt capturing system. then it introduces the common scan methods, such as raster, spiral, raster spiral, rose and lissajo. ( 3 ). it makes a detailed simulation analysis of the raster and spiral scan, analyze the connection between capture probability, capture time, system index at different capture resolution angle, capture range, vibration angle extent and terminal location distributing mean square deviation

    其中對幾個關鍵部分進行了詳細分析:計算了目標角反射器的激光雷達散射截面( lrcs )值,研究了qd與ccd對目標位置角度的計算方法和空解析度; ( 2 )根據系統指標和要求並結合現有國內技術特點研究了apt系統掃描的概率問題,然後分析了幾種常見的掃描方式:矩形( raster )掃描、螺旋( spiral )掃描,矩形螺旋( rasterspiral )掃描,玫瑰形( rose )掃描以及李薩如形( lissajo )掃描; ( 3 )對分行掃描和螺旋掃描進行了詳細的模擬分析,分析了它們在不同分辨角、范圍、振動角振幅和終端位置分佈均方差概率、捕獲時間與系統常數之的關系。
  9. In this thesis, first, we present the theory of sess system, the generation of the sess spreading code and its characteristics and the acquisition theory of conventional spread spectrum communication system. an efficient acquisition scheme based on periodically transmitting the synchronization head, which is composed of binary chaotic codes, using the matched filter and automatic decision threshold - level control based on a so - called constant false alarm criterion for sess system is present. the acquisition model of sess system is built and simulated in the awgn channel, the raleigh fading channel and imulti - address interfere condition

    本文首先概述了自編碼擴頻通信的原理、自編碼擴頻序列的產生方法及其特性和擴頻通信系統編碼同步的理論,然後針對自編碼擴頻通信系統提出了擴頻序列方案:周期性地加入混沌序列同步碼,並採用恆虛警率匹配濾波器法;在加性白高斯噪聲通道、瑞利衰落通道和多址干擾情況下進行了模擬,分析了各種性能:在選擇性能最優的混沌序列、適當的序列長度、虛警概率及門限值的情況下,可以得較短的捕獲時間和較大的概率。
  10. The meters provide a max and min reading memory with programmable capture time

    該計量儀配有最大最小讀數記憶,並且捕獲時間可以編程。
  11. The capture time is used to prevent detection of false max or min readings which may occur during start - up or unusual process events

    捕獲時間用於防止採集錯誤的最大最小讀數,這些讀數會出現在啟動或非正常處理過程中。
  12. Using traditional pd control, the time of small satellite gesture capture is long and control precision is low

    採用傳統pd控制,微小衛星姿態捕獲時間較長,控制精度較低。
  13. It means that improving the acquisition performance would increase the system complexity, and vice versa

    也就是說,提高性能,降低捕獲時間必然以系統復雜度提高為代價,反之亦然。
  14. Summary displays a one - line summary of the highest - layer protocol contained in the frame, as well as the time of the capture and the source and destination addresses

    摘要:顯示一行最高層協議的摘要,包括格式,捕獲時間,源地址和目的地址。
  15. But the traditional method to capture the pn code are either too slow or too complicated to satisfy the need of today ' s communication system

    而傳統的pn碼方法存在捕獲時間長或電路結構復雜等缺點,普遍不能完成低信噪比下長pn碼的要求。
  16. It also investigates the technique of ddmf and compares it with other acquisition method. this technique is generally adopted to reduce to the number of multiplication and summation, and the algorithm is better to save unnecessary resource waste

    並應用matlab模擬軟體和quartusii軟體,對不同快速演算法在不同信噪比下的檢測概率、虛警概率、平均捕獲時間、所佔用硬體資源等性能指標進行了比較和研究。
  17. The aim of this article is to shorten the gesture capture time and to improve control precision. author from both theoretical and applied researches the using of a nonlinear active disturbance rejection control technologies in small satellite gesture capture system

    本文以縮短主動磁控小衛星姿態捕獲時間,提高控制精度為目標,從理論和應用兩個方面深入研究了非線性自抗擾控制新技術及其在主動磁控小衛星姿態控制系統中的應用。
  18. By the way, a new acquisition method based on full - deramped processing and return power was also achieved, and which is characteristic by the higher resolution, the higher found probability, the lower false - alarm probability, the less time spent, and the easy way to implement

    ( 3 )提出了一種新型的海洋回波方法?全去斜坡功率型方法,該方法具有精度高、發現概率高、虛警概率低、捕獲時間短和技術實現簡單的優點,該方法經過校飛實驗也得成功。
  19. The new adrc technique was concluded from the related references in recent years, and the adrc theory was systemically introduced, which included tracking - differentiator ( td ), extended state observer ( eso ), nonlinear pid, nonlinear feedback ( nf ) and active disturbance rejection controller ( adrc ), and etc. the author first designs a pd attitude control system, indicating : using pd attitude control, the time of small satellite gesture capture is long and the precision of control is low

    從近幾年有關文獻中總結了自抗擾控制新技術,系統介紹了自抗擾控制理論,其中包括跟蹤微分器( td ) 、擴張狀態觀測器( eso ) 、非線性pid 、非線性反饋( nf )和自抗擾控制器( adrc )等。設計了主動磁控小衛星pd姿態控制系統。指出採用pd姿態控制,微小衛星姿態捕獲時間較長,姿態控制精度較低。
  20. To validate the performance of the proposed scheme, the scheme is simulated with fpga, and the simulation result indicates that compared with the conventional pn acquisition schemes, the pn acquisition using auxiliary sequence and binary search can decrease the acquisition time greatly on the same condition

    ,為了進一步驗證該同步方案的性能,文中採用fpga器件對方案進行模擬,分析結果表明:與傳統的序列方案相比,基於輔助序列和二分法的同步方案可以在系統復雜度和性能不變的前提下,大大縮短捕獲時間,實現擴頻序列的快速
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