捕獲基 的英文怎麼說

中文拼音 [huò]
捕獲基 英文
trapped radical
  • : 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
  • 捕獲 : 1. (捉到; 逮住) catch; capture; succeed in catching; acquire; arrest; seize 2. (俘獲) trapping
  1. The realization of quick acquest under very low snr and big frequency shift is one of the key problems of lpi radar. we designed a new receiver which needs less computation spend without any decline of the performance of the radar

    如何在較低輸入信噪比和較大頻偏的條件下實現擴頻碼快速是碼同步的難點,本文在不損失系統性能的礎上,設計了一種結構簡單的接收機實現方案。
  2. It was found that they were fit for the lpi applications. on the digital signal processing, we studied the demand on compute ability for fast acquest. we designed a new signal form named ds - fh - th signal which costs less in processing but without any lost on the lpi performance

    在信號的數字處理方面,分析了直接序列擴頻雷達在信號階段對計算能力的要求,在不降低系統lpi性能的礎上,設計了ds - fh - th雷達信號,降低系統對計算能力的要求。
  3. 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,在此礎上,提出了一個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,具有較低的誤碼率和一定的檢測概率,結果令人滿意。
  4. The intrusion detection system chooses the misuse detection technology. the main content of the paper is divided into four sections : section 1 mainly explores the windows network architectonics, analyzed the program of ndis, and introduced the main network data capture schema of lower layer ; then introduced the mechanism of packet capture and filter, and analyzed the framework of winpcap in capture and filter packet on the bases of former work

    本論文主要包括四個方面:第一部分主要分析了windows的網路體系結構,剖析了網路驅動介面規范( ndis )的編程,介紹了低層網路數據的主要的方案:然後介紹了包和過濾機制;最後在前兩者的礎上,分析了本系統開發用工具winpcap數據包和過濾的的結構。
  5. In this paper, research on the algorithm of complete digital if and baseband transmission system and the realization of transmitter and receiver. / 4 - dqpsk is chosen as digital modulation scheme. the scheme of demodulation is baseband differential detection. sliding correlator can realize the symbol synchronous acquisition ; early - late gate synchronizer is used to do symbol synchronous tracking

    系統的發射機選定/ 4 - dqpsk為調制方式,接收機採用帶差分解調的非相干解調方式,滑動相關器發送的pn序列,早遲門同步器跟蹤符號同步,使用相關器對同步后的符號進行最佳判決,並在這些演算法實現的礎上,實現了直接序列擴頻和解擴技術。
  6. 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率,改變了樣品表面吸附親合力,使降解效率相比純tio _ 2有很大提高。
  7. Automatic test pattern generation for multi - clock digital system based on s amp; amp; cct

    於安全充分技術的多時鐘數字系統測試矢量生成
  8. During the procedure of system design and implementation, the author has made some innovative efforts such as : ( d establishing the user interest orientated model, the model receiving user interests continuously and conjecturing user interests by interaction with the user, accumulating user preferences in information demand, thereby achieving self - adaptive retrieval, ? roviding a feedback method which is based on the human - machine interaction, summarizing the user operations on the interface of result presentation, and designing an algorithm for capturing user operation behaviors, by which the changes in user interests and preferences can be learned potentially, ? ffering a method for user interest mining which can extract subjects of information confirmed by user, thereby conjecturing or predicting different kinds of expressions of the same interest or extracting the new interests or unexpressed interests, ? roposing a solution of personalized internet information retrieval based on the user interests in accordance with the above - mentioned work, the solution having very strong feasibility and practicality with taking user interest model as center, employing machine learning ( active learning and passive learning ) and data mining as tools, and being assisted with network robot,

    Piirs系統分析與設計過程中所做的創新性的嘗試主要有以下幾個方面:實現了於用戶興趣的用戶模型,該模型通過與用戶的交互(主動交互和被動交互) ,不斷地接收用戶的興趣和推測用戶的興趣,積累用戶信息需求的偏好,實現自適應的檢索;提供了一種於人機交互的反饋方法,對用戶在結果呈現界面上的操作進行了歸納總結,設計了用戶操作演算法, 「隱性地」學習用戶興趣和偏好的變化;提供了一種用戶需求挖掘的方法,對用戶已確定的信息做進一步的主題挖掘,由此推測或預測用戶同一興趣的不同表述方式或者挖掘出用戶新的或未表達出來的興趣;在上述工作礎上提出了一套完整的於用戶興趣的個性化網路信息檢索的解決方案,該方案以用戶興趣模型為中心,以機器學習(主動學習和被動學習)和數據挖掘為手段,輔以網路機器人,具有很強的可行性和實用性。
  9. Research of capture and play based on video frequency

    於視頻圖象的與播放的研究
  10. There are two series interface installed on the os in advance, the one is called bsd socket designed by berkeley software, with the working mode of blocking synchronization, nonblocking asynchronization and polling, the other is named winsock designed by microsoft, worked via the way of windows message driven. as the foundation of process socket seizing technologies under microsoft windows, api ( application program interface ) hook technology is the core to achieve

    Windows進程套接字數據劫持技術的礎部分, windows應用程序介面api掛接技術,該技術是實現操作系統不支持的特殊功能的應用程序的核心,有相當難度,與傳統的於網路設備介面規范( ndis )的包過濾技術相比,該技術的不同之處在於它可以在應用層上對任意進程的網路輸入和輸出數據進行
  11. According the cidf pattern, the system was divided into five fundamental modules : packet capture, network sniffer, rules disposal, data analyze and system reaction. each module mapp ed to different applications and the system function was introduced in brief

    根據cidf入侵檢測模型,將系統分為五個本模塊:數據、網路監聽、規則處理、數據分析和系統響應模塊,分別對應于不同的應用功能;並對目前開發的系統功能做了簡單的介紹。
  12. 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

    於相關器解擴的串-並混合方案由於有著可在平均時間和電路復雜程度(這是電路的兩個重要指標)這兩個技術指標間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。
  13. This paper introduces a project based on code division multiplexed that is used to realize four el channels ' s wireless transportation. after briefly introducing the whole structure of the device of transportation, this paper introduces mainly implemention of the hardware. futhermore, the discussion concerning the selection of principles in code acquisition and the threshold setting of code acquisition on continous pilot in the receiving unit is given. at the same time, the methods about how to design the parameters of dll is introduced in this paper. in addtion, how to solve the actual problems in debugging the hardware is also provided

    本文提出了一種於碼分復用技術的四路e1數據擴頻無線傳輸設備的實現方案。在介紹整個擴頻數傳設備實現框圖的礎上,重點介紹了硬體平臺的實現;接收單元策略的研究及其門限的確定方法;以及接收單元dll環路參數設計方法;並給出了調試過程中遇到的實際問題及其解決措施。於調試所遇到的問題,論文的最後提出了這套數傳設備的改進方案。
  14. After establishing the model of intermediate frequency direct sequence spreading spectrum ( if dsss ) receiver, comparing and analyzing several conventional code acquisition methods, code and carrier two - dimension fast acquisition scheme based on two - dimension fft is proposed. finally, the situation for two targets is analyzed

    首先在建立了中頻直擴接收機的模型之後,本文對常用的偽碼方法進行了詳細地分析和比較,然後提出了本文的於二維傅立葉變換技術的快速方法,並且分析了兩個目標時的情況。
  15. A / d samples the intermediate frequency signal. the digital signal proceeding part based on tigersharc dsp can process the baseband digital signal including the algorithm of baseband modulation, baseband differential detection and symbol synchronization, etc. digital up converter supports interpolation filter and complex mixer

    A / d對中頻信號進行采樣,數字信號處理部分以tigersharcdsp為核心,負責帶采樣數字信號的處理,實現帶信號調制,帶差分解調,符號同步的和跟蹤等演算法。
  16. This paper has launched exhaustive analysis and study to every module of pll and its key part ( vco ) is also improved. the history of phase - locked technology and the actuality of research on it are introduced. and then beginning with the fundamental principles of a phase - locked system, we build the mathematical model based on the architecture of the traditional analog pll, and afterwards investigate some of its characters such as tracking, acquisition, noising, and stability

    本文在對鎖相技術的發展歷史和研究現狀調查研究的礎上,從鎖相系統的工作原理入手,分析了鎖相環的數學模型,並以此為出發點對其跟蹤性能、性能、穩定性及噪聲性能等性能進行了較為深入的研究,對環路的各項參數指標進行了詳細的推導,得出了鎖相環數理分析的普遍結論。
  17. 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,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時間,一定程度上提高了姿態控制的精度。
  18. Gene cassette could be integrated into an integron with recombination between atti and attc sites by integrase ( inti ), or excised from an integron and become a free circle molecule

    因盒可從整合子中切除成為游離的環狀分子,或者將外源因盒並整合入整合子。
  19. Integron, a genetic element of gene capture and expression in gram - negative bacteria, has been showed to play an important role in acquired antibiotic resistance of bacteria

    近來的研究顯示,革蘭陰性菌中一種和表達的遺傳單位? ?整合子( integron )在細菌得抗生素抗性機制中起了重要作用。
  20. This paper introduces development of a tv monit system, and details technical difficulty and method of reaserch, including video capture and recognition. according to the analysis of tvprogram, it presents video capture based on time, and “ hot region ” capture based on centre focus of photograph principle, and image recognition based on dispersion degree

    介紹了一個微機電視監播系統的研製開發,講述了研製的技術難點及解決方法,包括視頻和識別.於對電視節目的分析,提出了於時間的視頻於中心聚焦的攝影原理的「熱區」取法,以及於散度的圖像識別方法
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