directional filter 中文意思是什麼

directional filter 解釋
定向過濾器
  • directional : adj. 1. 方向的。2. 【無線電】指向的，定向的。
  • filter : n 1 濾器，濾紙，過濾用料[砂、炭等]。2 【無線電】濾波器；【物理學】濾光鏡，濾色器。vt 過濾，用過濾...
  1. Then novel circuit structure of bi - directional voltage mode ( based on forward converter ) inverters with high frequency link, are proposed, which is constituted of input cycloconverter, high frequency transformer, output cycloconverter, input and output filter ; the circuit topologies family of this bi - directional voltage mode inverters with high frequency link include six circuit topologies, such as push pull - full wave mode, push pull - full bridge mode, half bridge - full wave mode, half bridge - full bridge mode, full bridge - full wave mode, and full bridge - full bridge mode etc. taking full bridge - full bridge mode circuit as an example, principle of uni - polarity phase shifting controlled bi - directional voltage mode inverters with high frequency link is introduced

    本文首先論述了dc / ac逆變技術的應用前景及發展現狀。基於正激forward變換器的雙向電壓源型高頻環節逆變器電路結構，由輸入周波變換器、高頻變壓器、輸出周波變換器、以及輸入、輸出濾波器構成;雙向電壓源高頻環節逆變器電路拓撲族，包括推挽全波式、推挽橋式、半橋全波式、半橋橋式、全橋全波式、全橋橋式六種電路。
  2. This thesis presents an odometry model for 4 - wheel omnidirectional mobile robots and proposes a method to achieve holonomic description of robot ’ s kinematic characteristics based on two dual - axis accelerations. with combinated data from encoder 、 acceleration 、 compass and pose from an omni - directional vision system, a kalman filter is designed to fuse data for robot ’ s self - localization. results of experiments concludes the achievement of this thesis

    通過分析本文選用的幾種傳感器和視覺在機器人定位應用中的特點，對基於kalman濾波的融合方法在機器人定位中的應用進行了討論，建立了機器人加速度模型，並對其線性化，基於傳感器測量和預處理結果，建立了系統觀測模型。
  3. In gabor filter, we use eight directional filtering to process fingerprint image to compare wiener filtering, we get good process result

    在預處理中，採用八個方向的gabor濾波對指紋圖像進行濾波，把它與維納濾波作比較，得了較好的試驗結果。
  4. Thereof, the paper probes into directional smoothing filter method to implement binarization, which deduced noise of binary image, and an improved image template thinning algorithm is proposed in the paper against the deficiency of a classical image thinning algorithm, which is effective thinning algorithm acquiring satisfying thinning image

    二值化演算法採用了方向平滑的思想，降低了二值化圖像的噪聲。針對一種經典細化演算法的不足，本文提出了一種改進的指紋圖像模板細化演算法，經實驗驗證能獲得較好的細化圖像。
  5. The novel system has two - novelty points comparing to tradional system. the first, this system configuration is consisted of a new type of compound flyback converter, bi - directional high frequency rectifier, high frequency filter and controller

    與其他文獻資料中介紹的同類電路結構相比，本文提出的方法中有兩個較新穎之處：一、該系統由雙組合式單端反激變換器、雙向高頻整流器、高頻濾波和控制部分組成。
  6. The designs and realizations of the representative radio frequency modules, such as power attenuator, directional coupler, filter, small signal amplifier and oscillator, were emphasized

    重點分析了典型射頻模塊電路（如：功率衰減器、定向耦合器、濾波器、小信號放大器和振蕩器）的設計和實現。
  7. Based on the writer ' s research and development, chapter 3 discusses the analysis, design and development of some important sets in mps4000 sias which are set for switching on the power, set for multi - function measurement protective and set for directional protection. digital filter and subsection revise technology are discussed in this chapter too

    第三章結合筆者的研發實踐，論述了變電站綜合自動化系統中自動準同期裝置、方向保護裝置和多功能測量裝置的分析、設計和開發，同時詳細分析了在研發過程中對數字濾波技術、分段校正技術等工程技術的應用。
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