紋影系統 的英文怎麼說
中文拼音 [wényǐngxìtǒng]
紋影系統
英文
schlieren system-
Sunscan ( s. j ) is a leading manufacture developing high speed video imput storage / wireless, optical mouse / finger. print security system and semiconductor mcu software design
深圳尚傑電子-尚光科技:是一家專門研發高速影像輸入/無線.指紋鼠標/指紋防盜系統及mcu軔體開發設計Secondly, in phase unwrapping to overcome the spread of wrong point, changing the patch of unwrapping phase is done to improve the correctness of it. then, the relation between the unwrapping phase and the height of reconstructed object is discussed detailedly. the data processing, algorithm analysis and reconstructing object are done for the collecting fringe image which are all based on matlab language, in all these achievements, the improvement and innovation aspect are following : a ) in order to stabilize the interference fringe, a new equivalent shifting object method is presented by using fringe stabilizing device to stabilize the interference fringe though moving object and ccd camera which fixed on a precise moving platform together, the experimental result shows the fringe drift is less than a / 20 in five minutes, and the equivalent phase shifting precision is x / 100
論文在全面闡述了光學三維輪廓位相測量術的發展、應用現狀、研究熱點及未來發展趨勢的基礎上，簡要介紹了傅立葉變換和相移位相輪廓測量術的基本原理，對兩種測量方法存在的問題及誤差進行詳細分析和比較；針對位相解包裹錯誤點的傳播問題，作者通過改變解包裹路徑來提高位相解包裹的正確性；分析討論從解包裹位相（ x ， y ）到再現物體的高度h （ x ， y ）物理量之間的關系，研究相應的演算法，利用matlab平臺，對實際採集的條紋圖像進行處理和輪廓重構，其中改進及創新工作主要表現在以下兩個方面： （ a ）針對干涉型結構光場干涉條紋出現的漂移抖動對相移的影響，提出了一種用條紋穩定器穩定干涉條紋，用精密移動平臺使物體和ccd攝像頭同步移動實現等效相移的方法，建立了相應的測量系統，系統的條紋穩定可以達到。In the second part ( including chapter 4 ), this paper applies gray level coocurrence matrix and image texture feature quantities to evaluate eliminate effect through computing the same sampling region selected. the results show that the three methods can eliminate solar eclipse impact on the satellite vis imagery so that the topography, cloud system texture and ocean current are distinct and differentiable and it is good for analyzing the clouds and weather systems on the cloud image. comparing the three methods, the improved geometry - model method is the most effective
研究結果表明：原幾何模型法、改進的幾何模型法和數學函數模型法基本都能消除日食對雲圖的影響，經過訂正處理后，各種特徵紋理變細，結構變清晰，信息增加，有利於雲圖上雲和天氣系統的識別和分析；三種方法的比較認為，改進的幾何模型法訂正效果最好，原幾何模型法的效果較差，數學函數模型法更加快速、簡便，但其涉及的主觀因素較多。As an important step, the roll groove design - the selection of the roll groove system and the determination of the dimension, makes the decisive effect on the dimensional accuracy and the mechanic character of the tread steel bar
孔型設計作為螺紋鋼筋生產中的重要環節，對螺紋鋼筋尺寸精度的高低起著決定性作用，孔型系統的選擇及孔型尺寸的確定直接影響到成品鋼筋的尺寸精度及其機械性能。Effect of astragalus polysaccharides on il - 1, no and tnf secreted by lipopolysaccharide - induced normal rat peritoneal macrophages
脂多糖對大鼠黑質紋狀體多巴胺能系統的影響Effect reduction of spurious fringes in interferometric measurement system
干涉測量系統中雜散條紋影響的抑制On the basis of practically achieved low - frequency laser - vibration measuring - system, this thesis analyses the principle of laser - vibration measuring - system, the optical factors which have effect on contrast degree of interference fringe, the optical - electric transformation factors which have effect on measuring accuracy, the important of filter for improving the accuracy in the absolute calibration and the outward vibration which has effect on system accuracy, etc. in chapter one, the background of laser measuring vibration, and then followed by its current status, is introduced and analyzed
本論文根據實際研製的激光測振儀系統，從提高激光測振儀精度的角度出發介紹了激光測振儀的原理，並詳細地剖析了光路對測振儀干涉條紋對比度的影響、光電轉換對測量精度的影響、光電信號的濾波放大以及外界振動對測振儀系統的影響等技術問題。Standard practice for determination of the effect of hard creasing paper on images produced by business imaging systems
測定硬皺紋紙對商用影象系統影象產品的影響The micromorpholgy and grain boundary microstructure of the material were studied with sem and tem and the grain boundary phase composition were analyzed with eds and x - ray the mechanical properties, micromorpholgy microstructure of grain boundary and phase composition of al2o3 composite ceramics were systematically studied, the effect of additives, the relationship between microstructure and mechanical strength, the sintering mechanism of the material and influence factors of the structure and properties of al2o3 composite ceramics were discussed respectively
系統研究了氧化鋁陶瓷的力學性能、微觀形貌、晶界顯微結構，並討論了各添加組分的作用、材料顯微結構與力學性能的關系以及材料的燒結機理和影響材料結構與性能的影響因素。本論文探討了氧化鋁基復相陶瓷的強韌化機理，實驗表明al _ 2o _ 3 - ticn體系主要是微裂紋韌化。The algorithm, basing on convolution filtering technique and the fringes " gray values max - min distribution, can automatically and accurately carry out space frequency spectra shifting without spectra analysis and spectrogram in the technique of phase method of projected grating for 3 - d object shapes measurement. the new algorithm makes image processing much caster and the technique of object shapes measurement more automated. the phase error caused by filtering and the crossed - optical - axes geometry setup is also discussed
本文採用投影光棚相位法和數字卷積濾波技術：根據柵線的條紋灰度值分佈具有極大極小分佈的特性，提出卷積濾波形貌光學自動檢測的圖像處理方法，有效地實現了頻譜自動移位，從而進一步提高了圖像處理的速度和形貌測量技術的自動化程度；同時對採用兩光學主軸相交，且非遠心投影系統所產生的誤差進行了分析，並提出了修正方法。An approach about the no - linear whirl dynamics behavior of elastic shaft jeffcott rotor with a transverse crack, which is supported on the unsteady and no - linear oil film, is given
裂紋轉子軸剛度變化對油膜夫穩點及油膜失穩之後轉子的運動影響不大，轉子系統作擬周期運動。Template matching technology is the key of target detection system. matching namely that sensor captures two breadths of or many breadths of images aiming at in space versus identity scenery in different time and different image - forming condition, or according to known mode look for homologous mode in another breadth of image
目標檢測系統受許多不可預知的條件影響，如光照、噪聲、旋轉及移動、遮掩物、隨機紋理等，使圖像識別變得困難，進而影響了目標檢測的穩定性。In order to study the thermal performance and residual stress of microelectronic subassembly, in this paper, a newly optical interferometry method for 3 - d displacement measurement is developed based on wavefront interference theory. in which the moire interferometry provide the in - plane displacement, but the system is different from the conventional interferometry, the system applies the double diffraction of the specimen grating, the in - plane displacement sensitivity is a factor of 2 higher than that of the conventional moire interferometer. twyman / green interferometry method for out - of - plane displacement measurement is adapted, the advantages of the optical set - up are structure novelty, and the fringe patterns of the displacement fields shown high contrast and spatial resolution
為了詳細研究試件的熱變形特徵以及殘余應力的影響作用，本文在波前干涉理論的基礎上，設計了一新型三維光學測試系統，該系統的平面位移測試基於雲紋干涉方法，但採用與普通雲紋干涉不同的光路系統，利用試件光柵和平面反射鏡組形成的兩次衍射，使平面位移干涉條紋倍增，測量靈敏度是普通雲紋干涉的2倍，系統的離面位移場測試採用泰曼格林干涉光路。It adopts the xbrothers professional security and facility control system which includes : the real - time monitoring and controlling for the electric power supply system ; the air conditioning control system ; the ups control system ; the leaking control system ; the fire alarm system ; the video surveillance system and ; the access control system. the system provides the fire monitoring and turn to emergency status when fire detects. the system alarms for the abnormal of the important field through adjusting dynamic detecting sensors, according to the demands in the video marking field
在該監控系統中，如果檢測到消防報警信號，系統會自動聯動門禁系統打開對于重要區域的視頻劃定動態檢測報警區域，根據機房內不同的環境情況，通過調節動態檢測靈敏度，來實現移動報警系統採用模塊化結構設計，可以方便的進行系統擴充，在本項目最初實施的過程中只安裝了一套指紋加刷卡的門禁系統，在使用的過程中，根據清算中心的要求，需要對機房內的另四道門加門禁系統，則監控系統在不影響原有系統正常運行的情況下，進行系統的平滑升級，最大化的保障系統的安全與用戶的投資。The constitutions and principles of position of gps > glonass and beidou navigation system are described all around in this article, and the following technologies are studied and realized : communication between com ports with oop technology, compound navigation with gps and glonass. calculate velocity, pseudorange difference, smoothing pseudorange with the carrier - phase and models to correct error are also done ; the transforms between wgs - 84 and pz - 90, as well as wgs - 84 and beijing54 coordinate system ; the technologies to display and manage bitmap, vector map based on mapx also ; conversion of data formats between gjb and mif data format of maplnfo corp. arithmetic of creation dem data based on contour line data from 1 -. 25000 map data with gjb format. texture the surface of terrains with corrected aviation image
本文全面介紹了gps 、 glonass 、北斗導航系統的組成、定位原理，研究並實現了面向對象的串口通信技術、 gps + glonass組合導航、測速及偽距差分、相位平滑偽距差分以及有關誤差的模型改正、 wgs ? 84和pz ? 90 、 wgs ? 84和北京54坐標系的坐標轉換、柵格地圖的顯示和管理、基於mapx的矢量地圖的顯示和管理、 1 : 25萬軍標數據和mapinfo的mif數據格式雙向轉換、基於軍標數據的dem生成演算法、基於opengl的三維地形構造、航空圖像紋理地形表面、三維坐標量算、虛擬現實模擬導航、三維地形的層次細化演算法以及數字圖像處理中的圖像增強、幾何變換、影像匹配等技術。As to the video signal, alarm signal, control signal, are all weak electricity signal, exceedingly easily be subjected to the jam, in case the power supply system does not steady, wave propag ation is greatly, the harmonic content of power source overtops, the veins wave factors are great unduly, and even power source equipment breakdown, outputting abnormal, will be about to affect the video signal image effect, and dependability cuts downs to the security and alarming system. we adopt fast fu lye ' s mutation rule - fft alternatives, by the way of carrying fft alternatives to the local junction circuit, regulated power supply, ups ' s power source, and switch power source, thereby diagnose every degree harmonious wave content of power souse, and abnormal coefficient, compared to the normal working situation. thereby diagnose out the working condition of the regulated power supply, ups ' s power source, and switch power source
如果有供電系統不穩定、波動大，電源的諧波含量過高，紋波系數過大，乃至電源設備損壞、輸出異常等情況出現，將會嚴重影響視頻信號的圖像效果，大大降低防盜系統的穩定性和可靠性，我們採用快速傅利葉變換原理，即fft變換，通過對市電、穩壓電源、 ups電源、開關電源等的電壓信號進行fft變換，從而得出信號中各次諧波的含量及信號畸變系數，並將其與正常工況下的參數進行對比，從而進一步診斷出穩壓電源、 ups電源、開關電源等設備的運行狀況；組成監控系統的設備長期處于工作狀態，往往由於設備散熱條件不好、設備老化故障等原因導致設備表面溫度過高，從而影響設備的正常運行，降低設備的使用壽命。A novel approach of large - scale surface 3d measurement is proposed which combine multiple view motion vision measurement, digital fringe projection measurement and iterative closest point registration. the measurement techniques is rapid, portable, easy to operate and large measurement area. compared with the existing methods, the accuracy of surface merged is not dependent on high accuracy of feature point measurement, but determined by iterative closest point registration
論文提出了一種集成多目運動視覺特徵點測量、數字相移條紋投影曲面片測量和最近點迭代配準拼接的大型三維曲面測量新方法，具有快速、便攜和量程大的特點，與目前的集成系統相比，曲面配準拼接精度不依賴高精度的特徵點測量，而是採用多目運動視覺特徵點測量結果作曲面初始配準拼接，然後再通過最近點迭代法實現精確拼接。The system designing of fvisar are discussed in detail in charpter three. especially, the quantitative analysis and simulation research of the velocity range, fringe constant selection and attenuation of fiber delay line are intruduced
第三章對全光纖速度速度傳感器的系統設計做了詳盡的討論，包括系統光源的選擇、條紋常數分析、光纖延遲線的損耗對調制度的影響、光信號接收單元、數據處理單元。According to the analyzing on the questions such as the parameters of moire stripe signal influence on photoelectric rotary encoder interpolation errors, lissajou chart ' s characteristics and applications in interpolation errors measurement, we developed a dynamic measurement method about the parameters of moire stripe signal and interpolation errors evaluation. with the combination of hardware and software, a dynamic measurement system of interpolation errors of photoelectric rotary encoder is designed
通過分析莫爾條紋信號的各種信號質量指標對光電軸角編碼器細分誤差的影響， lissajou圖特性及其在細分誤差測量中的應用，研究出光電軸角編碼器光電信號參數測量及細分誤差評估的動態測試方法，並針對這一方法通過硬體及軟體技術的結合，設計出一套光電軸角編碼器細分誤差的檢測系統。The influences of recording conditions on the snr of the black - white digital images retrieved from fourier transform holograms were experimentally studied. the holograms were recorded on photoresist plates using an electrical addressed tft - lcslm as a data input device, and a normal ccd camera was applied for detecting reconstructed images
採用電尋址液晶空間光調制器作為存儲系統的組頁器，常規ccd探測器作為重構圖像的檢測器件，實驗研究了在光刻膠干板上記錄黑白二值條紋圖像的傅里葉全息圖時，記錄條件對重構圖像信噪比的影響。分享友人