擋閃出 的英文怎麼說
中文拼音 [dǎngshǎnchū]
擋閃出
英文
anterior-medial dislocation of the hip joint-
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。But actually i had only 2 yuan left in my pocket and i could merely have steamed buns to eat for the week, since i had stopped to ask grandma for money after i had begun to work. it was not easy for lili to find a job. although there were many places trying to hire skilled massagers, they would not accept blind people
我們返回身向岸上走，我突然發現路上有許多燈，還有附近的賓館里也透出了燈光，路上有許多人在走著，那些燈有時候會被人擋住，時明時暗，我忽然想起，這是不是就象世人說的天上的星星一樣，掛在天空上，一閃一閃地在眨著眼睛。
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