角度跟蹤噪聲 的英文怎麼說

中文拼音 [jiǎodùgēnzōngzàoshēng]
角度跟蹤噪聲 英文
angle tracking noise
  • 角 : 角Ⅰ名詞1 （牛、羊、 鹿等頭上長出的堅硬的東西） horn 2 （古時軍中吹的樂器） bugle; horn 3 （形狀像...
  • 度 : 度動詞[書面語] （推測; 估計） surmise; estimate
  • 跟 : Ⅰ名詞（腳的後部或鞋襪 的後部） heel Ⅱ動詞1 （在後面緊接著行動） follow 2 （指嫁給某人） be marrie...
  • 蹤 : 名詞（腳印; 蹤跡） footprint; track; trace; trail
  • 噪 : 動詞1. （蟲或鳥叫） chirp 2. （大聲叫嚷） make noise; make an uproar; clamour
  • 角度 : 1. [數學] （角的大小） angle; the degree [size] of angle 2. （看事情的出發點） point of view; angle
  • 跟蹤 : follow the tracks of; tail after; following; follow up tracing; track; tracking; trail; lock on; ...
  1. Backed up by the soplat theory based on particle kinematics, the second chapter of this paper presents with analysis and simulation of several single observer passive measurement models, which uses such relative movement parameters as bearings changing rates and centrifugal acceleration information on the basis of bearings measurements. in the third chapter, the observability of location respectively using bearings and its changing rates information and centrifugal acceleration information is analyzed, and its observable condition is got. the fourth chapter puts forward the modified covariance extended kalman filtering ( mvekf ) against the defect of traditional extended kalman filtering ( ekf ), whose performance is simultaneously compared in the chapter with the performance of ususal tracking algorithm such as ekf, mgekf, iekf by computer simulation

    在近年來提出的基於質點運動學原理的單站無源定位理論基礎上，本文第二章提出了幾種在角度測量的基礎上增加角度變化率及相對運動的離心加速度等運動學參數的單站無源測量模型，並對它們進行了分析和模擬；第三章分別對利用角度及其變化率信息定位和利用離心加速度信息定位的可觀測性進行分析並得到了相應的可觀測條件；第四章針對傳統擴展卡爾曼（ ekf ）方法的缺點，提出了一種修正協方差的擴展卡爾曼濾波（ mvefk ）方法，並將其和ekf 、 mgekf 、 iekf等常用的單站無源定位濾波方法進行了性能模擬比較；第五章通過引入雷達機動目標跟蹤方法和模型，提出了利用角度及其變化率對機動輻射源跟蹤的多級噪聲自適應方法和imm方法；第六章主要對角度變化率和離心加速度參數的獲取技術進行了研究，提出了幾種高精度測量脈沖序列多普勒頻率變化率的方法。
  2. 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。
  3. Moreover, its interior pll circuit substitutes traditional pll. as a result, the presented design not only overcomes some shortcoming of traditional circuit such as tracking speed and accuracy, but also gets rid of response lag time and multi - phase noise. the system design is also important to improve our country ' s fault diagnosis standard

    而該系統內部鎖相電路代替了傳統方法中的pll ，因此，提出此系統設計不僅能夠克服基於傳統鎖相環電路的等轉角采樣方法跟蹤精度低、速度慢和使用不便等特點，還能克服電路中的由於不可避免的響應延遲時間所導致的不適合快速的列車運行及過多的相位噪聲問題，對于推動我國鐵路故障在線診斷技術的應用普及具有重要意義。
  4. In the motion detection a method which is based on time and space is used for it can detect harmful invade object in spite of surroundings inteferre. in addition, after got the image of objects, the rectangle frame technique is used to fill the hole. in my design another part is multi - objects image tracking which is a new technique and it integrates image processing, automatic control and computer science. this technique can automatically acquire objects from image signal, get objects " position information then track them with the aid of dome

    本文中提出了若干有價值的新思想、新方法，完成了以下內容：首先，提出了數字視頻監控的功能結構，描述了數字監控系統的組成、特點和發展現狀；然後研究了適合於跟蹤監控的攝像機坐標系，提出了一種雙角度攝像機坐標以適合本系統的實際應用；討論現場圖像的預處理，其中包括灰度級變換、噪聲濾波和圖像恢復；在運動監測中，比較了幾種常用的運動檢測方法的優缺點，提出了一種基於時域和空間域的圖像檢測方法；另外，在得到運動物體的圖像時，採用矩形框技術填充由於差分圖像造成的孔洞，此方法簡單可靠，有較大的實用性。
  5. Abstract : all three types of transmultiplexer are explained from the view of filter banks. addtionally, an optimal algorithm for the analysis filter banks is proposed under the environment of additive white gauss noise ( awgn ). the analysis filter banks derived from the algorithm can match the spectrum characteristics of the input siganls

    文摘:從濾波器組的角度出發，對多路復用通信方式進行了解釋，同時給出了高斯加性白噪聲情況下分析濾波器組的最優求解方法，通過該方法得到的分析濾波器組能夠較好地跟蹤輸入信號的譜特性。
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