band selection 中文意思是什麼

band selection 解釋
波段選擇
  • band : n 1 帶,繩;帶形物;箍;箍條;嵌條;鑲邊;鋸條; 〈pl 〉 (法官等的)寬領帶。2 束縛,羈絆;義務;...
  • selection : n. 1. 選擇;挑選;選拔。2. 拔萃;選擇物;精選物[品];文選。3. 【無線電】分離,(自動電話)撥號。4. 【生物學】選擇,淘汰。
  1. In the sub block circuit design, the contents that the author had introduced include : the principle of band gap voltage reference and the design technique in low power supply ; the analysis of spike pulse noise rejection, frequency divider and dead time in oscillator and control circuit ; the selection of the width and length ratio of four switches and 2x / 1x mode change point in driver and mode selection circuits

    在子電路設計中,作者比較深入分析的內容有:基準電路的原理及低電源電壓下基準電路的設計;振蕩器和控制電路中尖峰脈沖噪聲抑制、兩分頻電路及死區時間設定;驅動及模式選擇電路中開關管的寬長比的選擇及模式轉換點的設計。
  2. Band selection methods are more proper for hardware realization and the last method is chosen for dimensionality reduction of hyperspectral image processed by the hardware platform. secondly, rx, gmrf and sem, three representational algorithms of anomaly detection are studied

    其次,研究了具有代表性的三種奇異檢測演算法: rx演算法、基於高斯馬爾可夫隨機場模型( gmrf )的檢測演算法和基於隨機最大期望( sem )分類的檢測演算法。
  3. This paper introduces the methods of hyperspectral images band selection based on the property of hyperspectral remote sensing images, utilizes the projection pursuit approach to find optimal solutions for a selected projection index based on dynamical evolutionary algorithm and then project a high dimensional data set into a low dimensional data space to produce a sequence of projection images, explores zero - detection method to threshold projection images to detect anomaly tar get

    摘要運用基於波段間相關性的高光譜影像波段選取方法進行波段的預選取,採用投影尋蹤的方法在動力演化演算法的基礎上尋找最佳投影方向,將高維數據投影至低維數據空間,在各投影分量圖像上採用零點檢測閾值化的方法進行異常目標的提取。
  4. There are two kinds of dimensionality reduction methods, band selection and feature extraction

    降維方法主要有波段選擇和特徵提取兩大類方法。
  5. Wavelength band selection algorithm based on background radiance subtraction and its application to target detection

    減背景的波段選擇演算法及其在目標探測中的應用
  6. Principal component analysis ( pca ), segmented pincipal components transform ( spct ), band selection based on genetic algorithm ( ga ) and high order component are introduced here, which are all effective in for dimensionality reduction

    本文介紹了主分量分析、分段主成分變換、基於遺傳演算法和高階矩的波段選擇四種降維方法。
  7. The work of this thesis is divided into two parts. firstly, based on holographic principles and the band transport atom theory for thermal fixing, given by yariv, we investigated holographic characteristics and thermal - fixing characteristics of photorefractive crystals. upon a lot of experiments, a practical assessment method is worked out for selection of crystals that are suitable for large - scale vhs and shows good thermal - fixing performance as well

    一方面,以全息理論和yariv熱固定的帶輸運模型為指導,調研晶體材料的全息特性和熱固定特性,在大量實驗的基礎上遴選出既適合大規模全息存儲又有優良熱固定性能的晶體;同時提出快速熱固定流程,過程穩定,重復性好,縮短熱固定時間。
  8. Standard guide for selection and use of full - encirclement - type band clamps for reinforcement or repair of punctures or holes in polyethylene gas pressure pipe

    用於增強或修復聚乙烯煤氣壓力管上爆裂或破洞的全環繞型帶夾緊裝置的選擇和使用
  9. Principles of optimal bands selection are that spectrum characteristics have difference to the biggest among land types except information quantity of selected band is so big and correlation between bands is so little

    最佳波段選取原則除主要考慮波段的信息量要大,而它們之間的相關性要小這兩個因素外,還要使波段組合后地物之間的光譜特徵差異達到最大。
  10. According to the dipole transition selection rule, it allows the system to transit from the ground state to the first and second sub - band respectively, the shape of the photoionization cross - section varying with the photon energy in the two cases is quite different

    根據偶極躍遷的選擇定則,將使得體系從基態分別躍遷到電子的第一子帶和第二子帶,二者的光電離截面隨光子能量的變化截然不同。
  11. Selection of the deserted workshop of the cold - rolled band steel plant the former no. 10 steel plant of shanghai steel company, as the site for shanghai sculpture space located at 570 west huaihai road, shanghai

    上海城市雕塑藝術中心選址于淮海西路570號(原上鋼十廠)內廢棄的冷軋帶鋼廠廠房。
  12. Band selection circuit

    頻帶選擇電路
  13. The influences of bus - connected networks, different monitoring points, low voltage windings and types of neutral point grounding on the frequency responses of pd signals are analyzed which give suggestions for the selection of monitoring band and monitoring points and pd localization

    分析了繞組的外聯網路、不同的監測點、低壓繞組、中性點接地方式等對局放信號幅度、頻譜的影響,為局部放電在線監測頻帶、監測點的選擇以及局放的定位提出了具體的建議。
  14. The detailed research contents are as following : ( 1 ) based on molecule spectrum theory and experimental data, presented are fine parameters of ch4 combined frequency band v2 + v3 and wide frequency band 2v3, including absorption spectrum central wavelength, line space, intensity distribution, line type and line width. these fine parameters have played solid foundation for measurement wavelength selection, and effectively eliminated cross sensitivity

    主要研究內容如下: ( 1 )應用分子光譜理論和實驗數據給出了甲烷氣體在聯合帶v2 + v3和泛頻帶2v3的精細參數,包括吸收線的中心波長、吸收線間隔、吸收線強度分佈、吸收線線型和線寬,為系統設計選擇合適波長提供依據,消除交叉敏感。
  15. Information asymmetry could lead to adverse selection and moral hazard of band credits

    由於信息不對稱,會導致銀行貸款的逆向選擇和道德風險。
  16. Optimal band selection and combination of multi - spectrum data is the key for image enhancement, it directly influences eye estimation and object information distilled

    多光譜遙感數據的最佳波段選取與組合是遙感圖像增強處理的關鍵部分,直接影響到圖像的目視解譯和研究對象的信息提取。
  17. The telecommunications authority is pleased to announce that the third phase of the auction for the third generation mobile services licensing and the frequency band selection process have been completed today september 26, 2001

    電訊管理局局長宣布,第三代流動服務第三階段競投暨頻帶揀選程序已於今天九月廿六日
  18. By analyzing customer demand and the characteristics of c / s architecture and b / s architecture, one kind of pdm architecture model is proposed. on one band, b / s applies in selection, browser, services with little interactive which place is dispersed ; on the other hand, to all kind of technical information transparent evoking, edition, processing, output uses c / s pattern

    本文還通過分析c / s體系結構和b / s體系結構的特點及其客戶的需求,提出了一種基於c / s和b / s混合體系結構的pdm體系結構模型,一方面對各類技術信息透明的地調用、編輯、處理、輸出等功能採用c / s模式;另一方面以查詢、瀏覽、地理位置分散、交互較少的服務為主體的應用採用b / s模式。
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