模拍頻 的英文怎麼說
中文拼音 [mópāibīn]
模拍頻
英文
mode beating-
This analysis framework is proposed based on adequate comparison of existing multi - model information fusion methods and the discovery of periodic characteristic of racquet sports video. it is a general sports video content analysis method based on audio / visual middle level features, domain rules, context, and highlights ranking. its advantages include simplicity, intuitiveness, generality, context - sensitive and affectivity
該分析框架是在充分分析現有的多模態信息融合方法並結合球拍運動周期性特點后提出的，是一個基於音視頻中層特徵、領域規則、採用時序分析方法形成精綵排序的通用體育視頻內容分析方法，兼具了復雜度低、直觀性強、通用性好、上下文相關和有感知性這五項優點。For the sake of complete monitoring and alleviating system and network burdens, installing many client systems with monitoring devices can communicate with sever in forest area, and compressing video taken by ccd camera into mpeg - 1 format is adapt to internet with tcp / ip protocol
為滿足全方位監測要求，在森林區域安裝多套客戶機監測系統，對ccd拍攝的視頻數據壓縮成mpeg - 1格式，在client sever網路模型基礎上與服務器保持通信，實現遠程傳輸視頻。The system uses two common cameras to import sport images from two different points of view and generates intuitive model ' s sport frames
該系統以兩臺普通家用攝像機作為輸入設備，通過兩個不同角度拍攝的真實人體動作的視頻圖像，生成逼真的三維人體模型的動作序列。Base on review of existed study and application in suppressing cable vibration in the world, technique of mitigating cable vibration with viscous damper and mr damper has been investigated in this dissertation, and the main contents and progresses in form of summary are as following : 1 the motion differential equations of the cable - damper system are formatted, which take into account these factors, such as the inclined angle, sag, stiffness etc. coupling motion between cable and deck is studied with analytical and numerical method. numerical results show that large amplitude vibration of cable with beat rhythm will occur when exciting frequency of deck equals two times modal frequency of cable
本文在對國內外斜拉索振動控制研究與應用現狀進行綜合評述、分析的基礎上，針對上述問題進行了深入研究，具體的研究內容和取得的成果包括： 1 、建立了斜拉索-阻尼器系統運動方程，對拉索與橋面的耦合振動作了分析和研究，數值結果顯示當橋面激振頻率等於某階拉索模態頻率的兩倍時，很小的初始擾動將引起拉索的大幅振動，並呈現拍振的特徵，與實測的拍振信號一致。Secondly, the squeezing properties of the light of the f - type quantum - beat three - level atom interacting with the single - mode radiation fields in squeezed vacuum states or in binomial states have been studied by means of quantum theory and the numerical method
論文的第二部分研究了v -型量子拍頻三能級原子與單模壓縮真空場和二項式態光場相互作用過程中光場的壓縮效應。Image processing system is a very important part of mini unmanned helicopter, which mainly dealing with how to detect the object and supply the navigation computer with location information of the object. however, the varied background and the moving of the camera make the image processing become difficult. to solve these problems, this thesis introduces an object detection algorithm based on contour retrieving, template match and hu moments invariant
硬體組成詳細探討了系統結構，並對所採用的ccd攝像機、視頻採集卡等硬體單元作了描述；在軟體設計中，首先對不同操作系統環境下的視頻捕獲做了討論；接著，重點研究了針對機載攝像機拍攝圖像的目標檢測方法，提出並實現了基於模板匹配和不變矩的目標檢測演算法，以及基於機器學習的目標檢測演算法。The wakefield excited by an ultrashort and ultrahigh laser pulse propagating through tenuous plasma can accelerate electrons to extreme high energy. this can be used as a mechanism to design minitype electron accelerator. this thesis is devoted to studying those issues relevant to the wakefield accelerator, namely the laser wakefield accelerator ( lwfa ), laser wakefield accelerator driven by multiple pulses ( mp - lwfa ), plasma beat wave accel - erator ( pbwa ) and self - modulated laser wakefield accelerator ( sm - lwfa )
本文的目的是：利用粒子模擬方法，研究和比較激光尾流場加速電子的四種主要方案：短脈沖激光尾流場加速（ lwfa ） 、多脈沖激光尾流場加速（ mp - lwfa ） 、拍頻束尾流場加速（ pbwa ） 、自調制激光尾流場加速（ sm - lwfa ） 。We believe that the improvement of the frequency response is due to a two - mode beat that includes the main mode of the slave laser and the master laser mode, which coincides with the side band of the slave laser
激光器頻率響應的改善可以用兩個模式的拍頻來解釋，一個模式是從激光器的主模，另一個是主激光器的模式，該模式與從激光器的邊帶重合。The method first realizes detection and classification of moving targets with different ambiguous velocities via mtd in order to simplify the spectrum of beat signal, and then eliminates moving targets " range - velocity coupling with frequency domain pairing
該方法首先通過mtd實現對不同模糊速度目標的檢測和分類，簡化差拍信號頻譜環境，然後利用頻域配對法實現動目標的距離速度去耦。分享友人