針孔成像 的英文怎麼說
中文拼音 [zhēnkǒngchéngxiàng]
針孔成像
英文
aperture imaging-
Secondly, programmed the image processing arithmetic code which include the bottom arithmetic for the general condition comprises threshold division, region combination and informate and the middle level arithmetic for the given task comprises detecting the line dation creirection according to the hough transform in order to fix on the hole ’ s azimuth angle, detecting the aiguille tip position according to the image movement according to the environment and the image format
然後，根據目標環境要求和攝像機採集圖像格式，開發了圖像處理演算法程序。圖像處理演算法包括底層演算法和中層演算法兩部分，底層演算法針對通用情況，包括閾值分割、區域合併和信息生成。中層演算法針對具體任務設計，包括利用hough變換檢測棱線的方向，從而確定圓孔的方位角和利用基於圖像運動檢測鉆頭尖端位置。Numerical simulation for neutron pinhole imaging in icf
中子針孔成像數值模擬研究An approach of mesh and striation texture recognition for ore microscope image classification
礦物顯微圖像中網孔狀及針板狀成分識別方法研究3. after studying deeply the multi - antenna sar mtdi based on displaced phase center antenna ( dpca ), a new double - antenna method is proposed which remedies the shortcomings of conventional ways. the method need n ' t meet the constraint condition that conventional ways must meet and can suppress ground clutter effectively and detect moving target
針對常規dpca方法的缺點創新性的提出了一種新的雙天線動目標檢測方法，建立了該方法的檢測模型並對該方法進行了有效的驗證，該方法不合成孔什雷達動口標檢測和成像研必滿足常規方法所必須滿足的限制條件就能夠進行動目標檢測，提高了dpca的實用價值。The main task of this paper concentrates on such parts as calibration of measurement sensor, high speed and accuracy image collection and processing, data fusion of different angle of view, visualization of measuring results. to accomplish sensor calibration, a pinhole model of the camera is employed and an equation of a light plane is setup. parameters such as the m array of the pinhole model and the normal vector of the light plane arc acquired through experiment. in image processing, we adopt the template - changing parallel thinning method to improve processing speed and accuracy
主要研究了攝像機針孔模型的建立及測量傳感器的標定；圖像的快速高精度的採集和處理，在圖像處理中採用多幀平均演算法，很好地解決了速度和精度之間的矛盾制約；根據旋動理論建立空間坐標變換數學模型，進而建立其不同視角下的測量數據融合演算法，生成完整的物體三維數據集合；在vc平臺下編寫三維顯示軟體模塊，完成三維測量結果的可視化，實現了三維物體的任意角度的觀察、任意倍數的放大和縮小、任意方向平移及動畫效果。Aiming at the problem of angle motion estimation in monopulse three - dimension imaging, a novel angle motion parameters estimation method based on the inverse synthetic aperture radar imaging for difference beam is presented
摘要針對單脈沖三維成像時的目標角運動估計問題，提出一種基於差波束逆合成孔徑雷達成像的新的角運動參數估計方法。Firstly, the principle of high resolution sar and theoretical imaging model were concisely introduced. pulse compression for line frequency modulation pulse signal, resolution of range direction and azimuth direction, and doppler history were discussed subsequently. in accordance with sar signal processing, range immigration was also involved
本文首先分析了合成孔徑雷達高分辯力成像機理和sar成像理論模型，討論了線性調頻脈沖信號的匹配濾波（脈沖壓縮） 、 sar距離特性、方位特性和多普勒歷史，同時針對sar成像信號處理，分析了成像處理的基本原理和成像處理中的距離遷移校正等關鍵問題。For the effect of motion of target, a method of isar motion compensation based on scattering center tracking is used. for the difficulty of getting echo signal of bistatic isar of moving target, a method of simulating moving target using turntable data is used. finally the imaging results by using simulating data based on scattering center tracking show the effectiveness of the methods
針對目標的運動對雙站逆合成孔徑雷達成像質量的影響，運用基於散射重心跟蹤的isar運動補償方法來消除目標運動對成像質量的影響，並針對雙站isar運動目標回波獲取的困難，運用一種用轉臺數據模擬運動目標回波的方法來獲得模擬數據，最後用模擬數據驗證了基於散射重心跟蹤法的雙站isar運動補償的正確性。By studying the present sar algorithm, analyzing the motion status of the plane and considering the requirement of the real - time processing, we improve the range - doppler algorithm to suit the real - time processing of the airborne sar imaging. the algorithm derived from the range - doppler algorithm has a simple structure and can compensate the plane ' s nonlinear motion and suit to real - time processing. the real - time processing experiments of the airborne sar imaging test the algorithm efficiency
本文通過對現有的合成孔徑雷達成像演算法的研究，以及對飛機運動狀態的分析，針對實時處理的要求，對距離多普勒演算法稍加改進，使之適合於機載合成孔徑雷達成像實時處理使用，該演算法根源於距離?多普勒演算法，結構簡單，既能夠對飛機的不規則運動進行有效的補償，又適合於實時處理。Moreover, a series of solution to these difficulties are brought forward : applying the theory of fold related to fault to interpret complex structural belts in piedmont : analyzing the features of the surface and underground seismic reservoir prediction and porosity model construction to predicate effectively the texture and quality of sandbodies ; using structural model to direct the construction of velocity model and process prestack migration imaging of seismic data ; utilizing interval velocity to forecast reservoir pressure : improving the drilling technology for pressure detection and prompt protection of vertical well against incline well
並針對主要難點提出了解決對策：正確應用斷層相關褶皺理論解釋山前復雜改造、開展地表井下地震儲層與孔隙建模有效預測砂體結構與質量，利用有效構造建模指導速度建模與疊前偏移成像、開展層速度預測地層壓力與鉆井壓力檢測及快速防斜打直配套鉆井技術攻關等。Aiming at the application of shaft ultrasound imaging in cased well, the scheme improves imaging resolution power and gives the reasons why space resolution power is superior to conventional imaging
在此基礎上，針對井壁超聲成像在套管井檢測的應用實際，建立了提高成像解析度的合成孔徑聚焦成像模型，並對此進行了論證。The problem that ballistic coordinates of assembly firing were measured automatically was resolved in a cumulate holes image by the technology of image processing
摘要利用圖像處理技術針對累計彈孔成像，解決成組射擊彈道坐標的自動測量問題。Standard test method for measurement of focal spots of industrial x - ray tubes by pinhole imaging
用針孔成像法測量工業x射線管焦點的標準試驗方法Especially the third one describes the pinhole image formation experiment and analogies rectilinear propagation with the archery flight
這是世界上最早的針孔成像實驗，也是對光的直線傳播特性的最早認識。Telocentric lenses work with a wide depth of field. with a telocentric lens, you can image objects of different distances from the lens and the objects stay in focus
具端著絲粒的鏡頭（注:我猜是類似於針孔鏡頭吧）具有寬闊之景深，以具端著絲粒的鏡頭，你能夠將由鏡頭不同距離之目標物成像和保持目標物在焦。First, author studies oppressive jamming technology of sar based on its system gain, analyses its fundamental theory and jamming mechanism, programs an integral simulation software which produces noise data of several kinds, at the same time carries out many simulation experiments under different noise - to - signal ratio of each noise type, then makes in - depth analysis and comparison on those images resulting from simulation experiments and summarizes some conclusions of theoretical and practical value
作者首先在分析合成孔徑雷達系統增益的基礎上研究了壓制性干擾技術，分析其基本原理及干擾機制，編制了一個完整的干擾模擬軟體，產生多種類型的噪聲數據，針對每種噪聲類型又調整其噪信比進行了大量的模擬實驗，然後對實驗的結果圖像進行了深入的分析、比較，總結出了具有一定理論和實用價值的結論。分享友人