speed of projection 中文意思是什麼

speed of projection 解釋
發射段速度
  • speed : n 1 快,迅速。2 速率,速度。3 (汽車的)變速器,排擋。4 (膠片,照相紙)感光速度。5 〈古語〉興隆...
  • of : OF =Old French 古法語。
  • projection : n 1 射出,投擲,發射,噴射。2 投射;投影,投影法;(地圖)投影圖製法;【電影】放映。3 凸出;凸出...
  1. In order to reconstruct image, generally fbp needs complete projection data, but art is available to either complete or incomplete projection data. the major disadvantage of art is its low convergent speed

    代數重建方法( art )是級數重建法的典型形式,其適用於不同方式的采樣數據,對不完全數據也可重建圖像,但是,計算量大、重建速度慢,影響了該演算法的應用范圍。
  2. Frame frequency and film running speed for exposure and projection of motion - picture films

    電影膠片暴光及投影的幀頻和膠片運轉速度
  3. For the bands selection of hyper spectral image, an algorithm called selected projection pursuit is established and a quick calculating method is developed, the calculating speed is increased 80 ( the bands number of hyperspectral image ) limes. the nonlinear principal curves is researched, it is the nonlinear expansion of pca

    針對高光譜圖像光譜波段的最優波段選擇問題,構造了選元投影尋蹤演算法,並為此建立了一種快速選元投影尋蹤演算法,使演算法的速度提高將近80倍(波段總數的倍數) 。
  4. A fast and real - time algorithm to obtain some vectors of the projection matrix is proposed in this dissertation to solve the conflict of time cost by matrix obtainment and memory occupied by matrix, and speed the iterative algorithm

    作者根據扇形掃描幾何的對稱性和重疊性,提出了一種快速實時獲取投影矩陣分量的方法,較好地解決了獲取投影矩陣所需速度和存放其所佔內存空間的矛盾,提高了迭代重建演算法的速度。
  5. 3 a novel recursive least - square ( rls ) blind space - time receiver algorithm based on the constrained condition, which can completely avoid the matrix inversion introduced into by constraints ( comparing with the normal rls ), is proposed for multi - path slow fading cdma channels. the computational complexity of this method is not only lower than that of the normal rls, but also lower than that of both lms and ls blind space - time receiver methods that are realized based on the rosen ' s gradient projection. and the speed of convergence of the presented rls blind space - time receiver algorithm is better than that of both lms and ls blind space - time receiver methods

    3 、針對多徑慢衰落通道下ds - cdma盲空時接收機中線性約束二次規劃問題提出一種新的遞歸最小二乘演算法,該演算法完全避免因約束而引進的矩陣求逆運算(相對于常規的遞歸最小二乘演算法) ,不但運算量比常規的要低,而且比基於rosen梯度投影實現的最小均方( lms )與最小二乘盲空時接收機演算法還低,且收斂速度比基於rosen梯度投影實現的最小均方( lms )與最小二乘盲空時多用戶檢測都好,將提出的新的遞歸最小二乘演算法與提出的數據選擇方案結合起來可以進一步降低其運算量,具有很大的實用價值,最後通過模擬實驗進一步分析了其性能。
  6. Combining with the practical project, the development of an instrument for multi - channel harmonic detection and analysis were described in the third chapter, including the system structure, hardware and software of the device. then the technology of multi - channel data gathering was discussed, and some key techniques have been presented including high precision 、 high speed sampling of the voltage and current, fast flourier transform ( fft ), data compression and storage techniques, planar graphic fitting, three dimensional graphic projection, multithreading and the computer graphics techniques

    第三章結合多通道諧波監測及故障錄波一體化裝置的研製這一課題,介紹了裝置的體系結構和硬體、軟體構成,詳細介紹了在裝置研究過程中所提出的關鍵技術,主要包括電流電壓信號高精度、高速采樣技術,快速傅立葉變換fft 、數據壓縮存儲技術,多線程技術,二維圖形擬合、三維圖形投影技術及海量存儲技術,計算機圖形技術等。
  7. This algorithm has high implementing speed and good reliability, because it makes use of opengl ' s high ability of process display buffer, deep buffer and stencil buffer efficiently. unlike the isometric projection algorithm this algorithm can display workpiece from any direction. 5

    我們充分利用了opengl提供的高速處理顏色緩存、深度緩存和模板緩有的功能,使得實現的演算法不僅運行速度快、穩定,而且克服了等軸測投影演算法不能在任意角度顯示工件加工過程的缺陷,具有一定的先進性。
  8. So it is available to reconstruct moderate and large image by using either parallel or divergent projection data, as well as the data collected at series arbitrary sampled angles and sampled radii. and it does not require the storage of projection matrix, compared with the conventional art. the numerical results show that mart reconstructs image with fast speed, high resolution and sligh artifacts

    利用分塊迭代的快速art方法,對x射線工業ct實采投影數據進行圖像重建,並與fbp方法、經典art方法重建的圖像進行了比較,測試結果表明:該方法重建圖像精度高,偽影輕,並有較高的密度解析度和空間解析度,較經典art方法重建速度快。
  9. In this dissertation a new system that test crt projection tube resolution is bring forward against deficiency example slow test speed great affection because of artificial factor in the line - resolution - test system

    本文針對crt投影管解析度線陣ccd測試系統測試速度慢、人為因素影響大、只能測試一維方向解析度的缺點,提出了一種新的解析度測試系統。
  10. On the basis of discussing the possible aristhemetic for kineticscs indexes in motive video analysis, it was suggested that arithmetics of different quotient of center should be used in calculating the speed and accelerated speed, and the joint angle and segment angle, space angle and projection anagle should be ( differentiated ) so that the indexes could be more comparable

    對運動影像拍攝與解析系統中運動學指標的可能演算法進行了討論,建議在計算(角)速度、 (角)加速度等運動學指標時應當盡可能地運用中心差商的演算法,在使用運動學指標時應當正確區分關節角和環節角、空間角與投影角兩組概念和演算法的不同,以使各種不同的解析系統計算出的運動學指標更具有可比性。
  11. The system could rest projection tube resolution in two dimension adopting area - ccd, but also raise precision and speed of resolution - test because of realization of auto focus system that absolutely exclude the affection because of artificial factor. auto - focus system include auto - e - focus system and auto - optics - focus system

    該系統不僅採用面陣ccd使該系統能夠測試投影管二維解析度,而且由於實現了自動聚焦系統使得解析度測試完全不受人為因素的影響,大大提高了解析度測試的精度和速度。
  12. The parallelization of image reconstruction by convolution back projection with narrow fan - beam based on workstations cluster can solve fast image reconstruction of high power x - ict, and the speed of parallel image reconstruction relates to the numbers of workstations involved

    本論文採用窄角扇束卷積反投影圖像重建在工作站機群上的并行實現能解決高能x射線工業ct機的快速圖像重建問題,并行圖像重建的速度與參與并行實現的工作站數有關。
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