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- Because two area CCDs are adapted in the system, it can orientate the space spot of laser spot center. 該系統采用雙面陣CCD，可對激光光斑中心表示的空間點(diǎn)進(jìn)行定位。
- For the precise location of laser spot center on the complex target,a method based on residual pruning with geometric feature constraints is proposed. 為滿(mǎn)足復雜靶標背景下激光光斑形心的高精度定位要求,提出了一種基于幾何特征約束殘差修剪的定位方法。
- The coaxiality is computed from the measured coordinates of laser spot center and measured circumference data in several sections of holes. 同軸度由多個(gè)截面的光斑中心坐標值和圓周采樣數據按一定的方法計算。
- In the paper the algorithm of calculating parameters, the method of structure layout, and the way of mounting linear CCD on laser spot source probe are analyzed at all details. 本文詳細分析了點(diǎn)光源激光測頭設計參數計算及結構布局方法，線(xiàn)陣ccd器件安裝方式。
- The laser spot of the upright incidence to train wheel is imaged on CCD.While the train wheels are frayed, the image of spot will take place displacement. 激光束垂直入射到火車(chē)車(chē)輪上,再用透鏡將火車(chē)車(chē)輪上的激光光斑成像到CCD上,當火車(chē)車(chē)輪產(chǎn)生磨損時(shí),CCD上激光光斑的像也將發(fā)生位移。
- In the software, the display of laser spot profile function realizes 3D visualization and pseudo colorization of the laser spot and its rotatable display, with the algorithm of geometry element triangle strip certosina in OpenGL. 其中,激光光斑輪廓的顯示采用了OpenGL 庫函數中的三角形條帶幾何圖元拼接曲面算法,實(shí)現了對激光光斑的三維偽彩化可旋轉顯示,以及用戶(hù)自定義剖切點(diǎn)輪廓線(xiàn)顯示;
- We find the femtosecond laser induced microripple beside the focused femtosecond laser spot and along the movement direction of the laser spot on polydimethylsiloxane (PDMS) surface. 本文發(fā)現了飛秒激光在PDMS表面加工的線(xiàn)條邊沿有微波紋結構。
- In certain range of defocusing distance, if laser intensity is high enough, the expansion of irradiated area by laser beam can make the radial keyhole size synchronously increase with laser spot. 離焦量在一定的范圍內,在足夠高的激光能量密度下,激光輻照范圍的增大使得小孔徑向尺寸與激光光斑同步變化。
- Using the transparence CD, PSD can detect the displacement of laser spot between non-placing and placing the CD, and it can be used to calculate the parallelism between optical head and spindle motor. 考慮在主軸上放置透明盤(pán)片,用PSD測量位移子系統測出放置透明盤(pán)片前后的光斑移動(dòng)距離,就可以計算出光頭與主軸馬達間的平行度。
- With a CCD camera and a frame grabber to capture the laser spot, the digital image is transferred to special software for further processing, the amount of the laser spot drift can be achieved. 它采用CCD攝像頭和圖像采集卡采集激光器輸出光斑，通過(guò)專(zhuān)門(mén)軟件對數字圖像進(jìn)行處理，得出光斑漂移的大??；
- Research of laser spot center space orientation 激光光斑中心空間定位方法的研究
- Research on the Gauge Sensor Laser Spot 軌距傳感器中激光光斑大小的影響
- These techniques are effective to increase the tested distance of the pulse laser spots removed target in outfield during daytime. 影響白天外場(chǎng)對脈沖激光光斑的測量距離的主要原因是激光光斑被淹沒(méi)在陽(yáng)光照射的背景里，不能提取光斑圖像。
- A second problem is thermal noise, especially that caused by the laser beam itself: the laser spots hit the center of the mirrors, heating them unevenly and thereby deforming them. 干涉儀的第二個(gè)問(wèn)題是熱雜訊，其中以來(lái)自雷射光本身的熱最是嚴重；雷射光點(diǎn)打在鏡子中心使之溫度上升，加熱不均勻的結果，會(huì )導致鏡面變形。
- Comparisons of Several Methods of Laser Spot Center Detection 幾種激光光斑中心檢測方法的比較
- Multi-circle fitting algorithms for laser spot location 激光光斑定位的多圓擬合算法的研究
- Simulation of laser spot parameters measured with detector array 探測器點(diǎn)陣法測量激光光斑參數的仿真
- RESEARCH ON LASER SPOT AND BEAM WAIST SPOT SIZE MEASUREMENT 激光光斑及束腰光斑尺寸的測量研究
- A new method for calculating laser spot parameters quickly 一種新的激光光斑參數快速計算方法
- Precise laser spot measurement based on film-scanning 膠片掃描法精測微米光斑
