receiving pattern 中文意思是什麼

receiving pattern 解釋
接收方向圖
  • receiving : n. 1. 接收。2. 收買賊贓。adj. 接受的;收報的。
  • pattern : n 1 模範,榜樣;典範。2 型,模型;模式;雛型;【冶金】原型。3 花樣;式樣;(服裝裁剪的)紙樣;圖...
  1. Smart antenna has been widely researched in communication and signal processing, the adaptive beamforming algorithm is the key technique of smart antenna. it could adaptively steer the array directional pattern to form the main narrow beams with high gain in the direction of the users " signals while deeply nulling the interference signals. it is an effective way to realize the optimal receiving of the interesting signals

    智能天線技術是目前通信和信號處理等領域的研究熱點,自適應波束形成演算法的研究是智能天線的一個關鍵技術,它能夠自適應地控制天線陣方向圖在用戶信號方向產生高增益窄波束,在干擾信號方向產生較深的零陷,是實現用戶信號最佳接收的有效方法。
  2. When receiving the uplink frame, olt searches the synchronization pattern to quickly capture the phase information of code flows and achieve the bit synchronization. based on the delimitation pattern, it then delimits the atm cell to accomplish the byte synchronization

    Olt在接收上行幀時,搜索同步圖案,並以此快速獲取比特流的相位信息,達到比特同步;然後根據定界圖案確定atm信元的邊界,完成位元組同步。
  3. The paper includes four sections followed here : the first section studies the modeling of signals of pulse doppler radar seeker, and establishes a radar signal simulation model, including radar emitting signal model, receiving signal model, receiving echo signal model, clutter model, noise model, sum channel directional pattern of antenna model, difference channel directional pattern of antenna model, sheltering model, rcs model, glint noise model, etc. the second section studies signal processing of pulse doppler radar seeker, and establishes radar signal processing mathematical model and data processing mathematical model for simulation, including windowing, doppler filtering, envelope demodulation, pdi, cfar, centering, velocity tracking, angle tracking, a - b filtering, etc. the third section studies the modeling of modified proportion guiding, and establishes guiding model, then dynamic simulation results is provided

    論文的主要工作包括四部分:第一部分研究了脈沖多普勒雷達導引頭的信號建模問題,建立了雷達信號模型,主要包括:發射信號模型、接收信號模型、目標回波信號模型、雜波模型、噪聲模型、和差通道天線方向圖模型、遮擋因子模型、接收機噪聲模型、目標雷達截面積統計性模型、目標角閃爍模型等。第二部分研究了脈沖多普勒雷達導引頭的信號處理模式,建立了信號和數據處理模型,主要包括:加窗和多普勒濾波、包絡檢波、檢波后積累、頻域cfar處理、速度定心、速度跟蹤、角跟蹤、 ?濾波等,然後給出了信號處理流程。
  4. Based on the case survey of the he wan village in the town of chiba of jianli county in hubei province and the theory of social behavior, this research paper applied the method of interview and reference to describe the present situation of the communication also by the means of questionnaire survey. in the meantime, directed against the problems in the present situation, the research find the obstacle factors. the whole passage spread out centering on two cores of theoretical analysis and practical sense, after all it also found out people ' s behavior pattern when receiving the communication information and series of the obstacle factors

    本研究以社會行動理論為依據,以湖北省監利縣尺八鎮南脯鄉的河灣村為個案,在對問卷調查結果進行社會統計分析的基礎上,結合訪談法和文獻法,對農村科技大眾傳播的傳播現狀作了描述,同時針對現狀中存在的問題,找出障礙農村受眾接收媒體信息的影響因素,整篇文章圍繞理論分析和實踐意義兩個核心展開,找出農村科技傳播的受眾接收信息的行為模式和障礙農村受眾接收傳媒信息的主要因素。
  5. Due to the unique, stable and live physiological properties of the iris and non - invasive to users, most stable and reliable for identification in practical applications of iris - based system, iris recognition is receiving extensive attention and becoming an active topic in biometrics. as an application - oriented research project, iris recognition integrates mathematic, computer science, optics, electronics and physiology etc. based on wavelet transform, aimed to improve the recognition performance, centered at wavelet - based iris feature representation and pattern classification, we review and explore the iris sequence image quality assessment, iris image pre - processing, iris recognition performance evaluation and several other linked topics. we mainly investigate on the principles and application methodology of wavelet transform for iris feature representation and iris pattern classification methods

    以小波變換技術為基礎,結合圖像處理和模式識別方法,設計並開發了虹膜圖像採集裝置,建立了虹膜識別演算法測試實驗平臺;重點研究了虹膜識別中的小波變換的應用基礎理論與關鍵實現技術;提出了基於小波局部模極大值的虹膜特徵表示及其多重匹配識別、基於小波多尺度信息的一維和二維虹膜紋理特徵量化表示、基於小波過零點技術的虹膜特徵表示及其規范化的部分hausdorff距離匹配識別,這三類方法能夠有效地提取虹膜特徵;基於自建的演算法測試平臺,對上述三類方法和其他三種國內外比較有影響的基於小波變換的虹膜識別方法進行了定量的性能比較和評價,通過實驗數據分析得到了有意義的結論;最後指出了小波變換技術在虹膜識別領域的研究重點與發展方向。
  6. The integrated navigation and position system, composed of gps and map matching technology, is applied in this text. the higher road network information in the digital map database is used as the moulding board to revise positioning errors of the receiving datum. according to the result of this pattern recognition process, the exact location will be displayed on the digital map

    針對於此,本課題採用gps地圖匹配( mapmatching , mm )組合定位技術,藉助于地理信息系統( geographicinformationsystem , gis )數字地圖中的高精度道路網信息作為分類模板進行模式識別,根據識別結果校正gps原始定位數據的定位誤差,並把校正後的地理位置實時地顯示在電子地圖上。
  7. In hdlc or sdlc, a standard bit pattern ( 01111110 ) that begins and ends each frame ; it is used for synchronization and identifies a frame to receiving hardware

    Hdlc或sdlc規程中的一種標準的位組合,即01111110 ,用以標識每一幀的開始和結束,還可用於與接收站硬體同步,並向接收硬體標識到來的幀。
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