捕獲率 的英文怎麼說

中文拼音 [huò]
捕獲率 英文
captive rate
  • : 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
  • : 率名詞(比值) rate; ratio; proportion
  • 捕獲 : 1. (捉到; 逮住) catch; capture; succeed in catching; acquire; arrest; seize 2. (俘獲) trapping
  1. On the demand of application and according to the soluhons menhoned above, a method of displacement waiting auto - sy ' nchronizing is put forward, which is based on match filters. at the end a complete and speeflc set of hardware circuits and software programs which haplements the scheme, is also presented in the ancle. the synchronization system was tested in the pool and in the shallow wate near m port, the result of the test shows that its performance is satisfactory

    論文著重介紹實現了跳頻通信系統同步的一般方法,並詳細分析和對比跳頻同步系統的方案,在此基礎上,提出了一個基於匹配濾波器的位移等待式自同步方案,設計、完成並給出了詳細硬體連線電路圖、軟體程序流程圖和部分程序清單,該自同步方法在實驗室水池實驗取得良好的效果,並在廈門港海域進行了現場實驗測試,具有較低的誤碼和一定的檢測概,結果令人滿意。
  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,頻為200mhz的參考輸入信號,輸出中心頻為800mhz ,分頻電路採用4分頻,環路帶寬為10mhz ,時間大約為0 . 92 s ,功耗大約為15mw ,達到了設計指標。
  3. Lc apparatus almost meet all the needs of space optical communication such as weight, size, power consume, life, cost, driving voltage, intergration of optics and electricity, programe, optically take ? over aperture, beam scanning, deflexional range and so on. switches, deflexional facilities and scanning equipments which made with lc have been used in the system of labor in space communication. the only bug of lc apparatus is that their answer speed only get microsecond rate or submicrosecond rate. but it is practical for them to be used in special beam capture, scan, deflexion controling which don ’ t concerned with code rate and code type

    液晶器件幾乎滿足空間光通信的所有大的指標要求如重量、尺寸、功耗、壽命、成本、驅動電壓、光電集成、可編程性、光學接收孔徑、光束掃描和偏轉范圍等等。液晶光開關、光偏轉器、光掃描器已經開始應用於光纖通信的實驗系統中。液晶類器件應用於光通信的唯一重大缺陷,是其響應速度目前只能達到微秒級或亞微秒級,不過,在不涉及到碼型碼的空間光束、掃描、偏轉、控制方面,液晶器件完全可能進入實用化。
  4. The oxide and reduce potential and the dopant concentration. the experiments of degradation methyl blue a1so showed that the photocatalytic activity could be greatly improved with vzos - loaded tio2, maybe that loading v2o5 would accelerate the electron captured and charge transferring, change the samp1e surface hydrophilic and absorption

    納米tio _ 2 - v _ 2o _ 5復合光催化劑對次甲基藍的降解實驗表明,復合v _ 2o _ 5后tio _ 2可以加速電子和電荷遷移速,改變了樣品表面吸附親合力,使降解效相比純tio _ 2有很大提高。
  5. A class of predator - prey system with harvest - ratio

    一類具有收食與被食系統
  6. The parameters that influence the single photon acquisition probability are the transmitter ' s tracking - pointing error, the far - field divergence angle, the link distance between transmitter and receiver and the receiver ' s antenna aperture

    得到影響單光子的主要參量是發射機的跟瞄誤差、光束遠場發散角、發射機和接收機的鏈路距離和接收機天線孔徑。
  7. 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,給出了虛警概和檢測概,估算了同步的時間,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。
  8. By calculating parameters including the link length, the azimuth angle, the elevation, the optical power that the inter - satellite optical cdma communication system will receive, the variation range of the azimuth angle and the elevation from the optical antenna of atp are understood well. by analyzing the factors to impact bit - error - rate ( ber ) from the received power, multi - user disturbing, background noise, wavelength, bit rate etc, measures to guarantee high performances of the system are obtained, especially those for smoothing the fluctuation of the received optical power from host platform vibration

    分析研究了衛星光cdma通信系統中衛星仰角、方位角和距離,給出了探測器能夠接收到的光功以及atp子系統及跟瞄的范圍;對衛星光cdma通信系統性能模型和基於衛星振動系統性能模型的研究,分析了多用戶干擾、接收光功、背景光噪聲、振動偏差以及碼速對系統誤碼的影響,給出了相應的改進措施。
  9. The effect of deception jamming is studied from the point of view of acquisition probability. a mixed jamming method is

    並推算了gps的性能,從的角度分析了欺騙干擾的干擾效果。
  10. When the police get the clues about the six killers and successfully arrest them, the major criminals george and black rose disappear

    最後警方掌握線索,將分佈各地區之殺手,但主謀喬志及黑玫瑰則失蹤,原來他利用宮本等轉移警方視線,領另一批同黨往劫奪高棉人之黃金。
  11. The performance targets of acquisition and tracking : the code rate of pseudorandom signals is 1m - 5mhz, the code length is 255. 511, the receiving sensitivity is - 118dbm, the dynamic range is 70db. the doppler of carrier is 75khz, the time that 10 targets are captured within 0. 2s

    和跟蹤的性能指標:偽隨機信號碼1m 5m比特/秒,碼長是255 、 511 ,接收靈敏度是- 118db ,信號動態范圍是70db載波普勒是75khz ,目標在0 . 2秒內。
  12. 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,導出由相關處理時間、大步進時間、虛警概、檢測概和虛警「代價」時間表示的時間平均值及其方差的表達式。
  13. 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,文中給出了隧穿時間與熱發射時間的計算方法;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。
  14. This paper describes a new method to select these parameters, including to determine the focus length, relative aperture and field of view of new optical system in design by means of making reference to previous star sensors and their optical systems ; to forecast the acquiring probobility of star sensor in accordance with selected param eters ; to determine the principal design wavelength and spectral coverage by means of integrat ing the spectrum of stars

    本文介紹一種確定光學系統參數的新方法,包括通過參考比較已有星敏感器及其光學系統特性來選取新光學系統焦距、相對孔徑和視場;根據所選取的參數預計星敏感器的;採用綜合恆星光譜方法確定光學系統中心波長和光譜范圍。
  15. After the calculation, the scan efficiency of the hexagon scan is up to 11. 1 % than raster scan. ( 4 ). in the following parts it analyzes the every factors that affect the capture scan speed, makes the simulation, and sum up the initial simulation result. there are 65 simulation programs made by matlab / simulink and c

    結果表明:六邊形( hexagon )掃描方式比分行式螺旋矩形掃描方式的掃描效提高了11 . 1 % ; ( 4 )分析了各種情況對掃描速度的影響,並進行了模擬,得出了初步的模擬實驗結果。
  16. Study of target acquisition probability for laser - guided bombs with proportional navigation guidance law

    激光比例制導航彈對目標的分析
  17. ( 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間解析度; ( 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時的時間與系統常數之間的關系。
  18. To quiken the frequency switching speed, a method to aid capturing the frequency by presetting voltage is adopted, which produces ideal effect

    在加快頻轉換速度方面,採用了預置電壓和鑒頻鑒相相結合的輔助頻方法,並取得了理想的效果。
  19. 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、虛警概及門限值的情況下,可以得較短的時間和較大的
  20. The growth of the both species is of logistic naluf. the mature species - y preys on the mature - x. by using the lyapunov function we obtain the - conditions for globally asymptotic stablility of positive equilibria without harvesting. conditions for global asymptotic stablility of four positive equilibria with harvesting and the threhold of hai vi - sting mature population

    但從目前已知的文獻來看,對于兩個種群同時具有年齡階段結構,且同時對兩個種群進行開發的結果較少,本文通過構逅lyapunov函數,得到了當捕獲率不為零時上述模型存在一個全局漸近穩定的正平衡點的充分條件,也就是說,在一定條件下,種群兄。
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