range compression 中文意思是什麼

range compression 解釋
范圍壓縮
  • range : vt 1 排列;整理(頭發等)。2 使歸類[班、行、隊];把…分類。3 〈用被動形或反身形〉加入,站住…的一邊...
  • compression : n. 1. 壓縮;壓緊;濃縮,緊縮。2. 加壓;壓抑。3. (表現的)簡練。4. 應壓試驗。
  1. The kernel of this method is the emendation of the across moving range bin, which combines the emendation and the range compression

    這種方法的核心是校正越距離單元走動,它是把走動校正跟距離壓縮結合起來做。
  2. Fractal image compression coding is focused attention upon by researchers for it ' s good quality of high compression ration, resolution irrelevancy and fast decoding. but it ca n ' t be put into practice for the matching search of domain and range is too difficult and the coding time is too long

    分形圖像壓縮編碼以其高壓縮比、解析度無關性、快速解碼等優越特性而引起世人矚目,但卻常因為龐大的定義域計算和煩瑣的定義域值域匹配搜索而使編碼時間過長,從而影響了其實用性。
  3. Tian shan extends east - west in central asia, the tian shan range was formed in later paleozoic, and a few intramontan basins appeared in mesozoic. it uplifetd again in early miocene because of the north - south compression induced by the india - asia collision, so many active structures can be found in tian shan. active tectonics took actions during last ten thousands yeas, and surface traces of fault scarps, detached gullies and folds in alluvial deposit are apparent, so it is easy to distinguish them from other geological phenomema

    天山位於亞洲中部,天山造山帶形成於晚古生代,到中生代時,在天山內部形成了一些山間盆地,印度板塊在始新世向北與歐亞板塊碰撞,天山受南北向擠壓力的作用再度于早中新世隆起,由於板塊碰撞的持續進行,在天山山間及山前發育了許多的活動構造。
  4. Its high resolution in range is fulfilled by using pulse compression method. its high resolution in azimuth is achieved by utilizing the doppler information among the signals received by sar at different locations. hence, the acquired image of the targets is of very high resolution

    它採用距離向的脈沖壓縮技術和方位向不同位置上接收到的脈沖間的多普勒信息來獲得兩維的高解析度,從而得到高解析度的目標圖像。
  5. Pulse compression technique and large timeband product signals such as linear frequency modulation signals, nolinear frequency modulation signals, phase coded signals and so on are widely used in modern radar systems to improve the resolving power both in range and in speed domain

    現代雷達為了提高雷達作用距離和速度分辨力、距離分辨力,廣泛採用了脈沖壓縮技術及大時寬帶脈壓信號如:線形調頻、非線形調頻、相位編碼信號等。
  6. Pulse compression technique is widely used in modern radar systems. it solves the contradiction between the range and velocity resolution. large time - bandwidth product signals such as linear frequency modulation signals ( lfm ) are used in pulse compression technique to improve the resolution in range domain

    現代雷達系統廣泛採用脈沖壓縮技術,在確保雷達作用距離和速度分辨力的前提下,採用大時帶積脈沖壓縮信號:如線性調頻( lfm )信號提高距離分辨力。
  7. Moreover, the pulse compression radar has been widely used in practice because of its far detection range and good range resolution

    此外,為了解決雷達作用距離和距離分辨力之間的矛盾,脈沖壓縮機技術在現代雷達系統中被廣泛採用。
  8. Pulse compression effectively solves the contradiction between the range resolution and the average power of the radar, and is widely applied in modern radars

    而脈沖壓縮有效地解決了雷達距離分辨力與平均功率之間的矛盾,並在現代雷達中廣泛應用。
  9. Then we go to details of the ideas of compression algorithms based on ifs theory, such as range block search, fixed threshold, adaptive threshold, linear classification, and so on

    這些演算法包括:全局分塊搜索演算法、固定門限法、自適應門限法、線性分類法、四分之一塊灰度排列法和基於塊合併的壓縮演算法。
  10. Moreover, it has been pointed out that the hydrogen engine used in ? cylinder injection with high pressure can increase volumetric efficiency and compression ratio, - therefore, the performance indexes in this engine, such as output power, thermal efficiency, range of thickness of mixture with normal operation and nox emission, can be improved, and it is possible for the engine to realize rapid combustion of thin mixture, so abnormal combustion, such as backfire, pre ? ignition, can be controlled effectively

    指出了採用內部混合氣形成方式且高壓噴射的氫發動機,有利於提高充氣效率和壓縮比,從而改善發動機的動力性和經濟性;有利於擴展發動機正常工作的濃度范圍;並且有利於實現稀薄混合氣快速燃燒,從而可以有效地抑制早燃、回火及爆燃等異常燃燒和no _ x排放量。試驗指出了發動機的點火正時、噴射正時及噴氫量對發動機的性能、異常燃燒、 no _ x排放量有很大影響。
  11. Five aspects, such as the highest temperature in the middle of block, maximum horizontal stress, average stresses of any sections, stress changing process of typical points, and stress changing range between tension and compression, are discussed in detail

    從各塊體中部最高溫度、最大水平約束應力、斷面平均水平約束應力、典型點應力發展過程、正反向應力變幅等5個方面,比較系統地闡述了大體積混凝土通倉澆築問題。
  12. Make using of the critical point of the arch failure transiting to the tooth failure ( which is also the point when the non - stirrup beam ' s shear bearing capacity arrives to its minimum ) which is advanced in the arch - tooth theory of beams without shear reinforcement by g. kani and the critical point of the diagonal - tension failure transiting to the shear - compression failure which is advanced in the anti - theory, the minimum shear resistance of general bea ms which is destroyed in the range of shear - compression failure is advanced

    利用g . kani提出的拱?齒理論中的無腹筋梁的拱齒破壞的分界點(也就是無腹筋粱的最小抗剪承載力點) ,再結合前述理論中所提出的梁剪壓破壞和斜拉破壞的分界點,提出了梁在延性的剪壓破壞范圍內的最小抗剪承載力,並與混凝土結構設計規范gb50010 - 2002比較,結果吻合較好。
  13. Experimental results show it can find the rough toa range in order to lessen the computation burden, while getting rid of glints and disturbing components attached to the phase difference signals, the paper suggests a data compression procedure combined with dynamic smoothing

    為了減小擬合計算量並盡量濾除疊加在相位差序列上的干擾起伏,採用了數據壓縮結合滑動平均的預處理方法,並對該方法的正確性和有效性進行了方差分析驗證。
  14. Pulse compression technique is widely used in modern radar systems. large timeband product signals such as linear frequency modulation signals ( lfm ), nonlinear frequency modulation signals ( nlfm ), phase coded signals and so on are used in pulse compression technique to improve the resolution in range domain

    現代雷達系統廣泛採用脈沖壓縮技術,在確保雷達作用距離和速度分辨力的前提下,採用大時帶積脈沖壓縮信號:如線性調頻( lfm ) 、非線性調頻( nlfm )和相位編碼信號等,提高距離分辨力。
  15. Range and azimuth compression are the two crucial steps of sar imaging

    方位處理是合成孔徑雷達成像演算法中重要的一步。
  16. Wide dynamic range compression

    寬動態范圍壓縮
  17. The platform implements the signal processing dataflow of range - doppler algorithm such as range compression, clutter lock, azimuth preprocessing and azimuth processing. this paper derives that multiplying 1 / 2 factor can avoid fixed - point overflow

    該平臺能完成r - d演算法中的距離向脈沖壓縮、雜波鎖定、方位向預處理及方位處理功能本文針對定點分裂基fft演算法,推導出加入1 2衰減因子可以避免定點運算時產生的溢出。
  18. It multiplies a gene with liner phase relating to the number of pulse by the frequency region reference function of range compression

    其方法是在距離脈沖壓縮的頻域參考函數上乘一個與脈沖數有關的線性相位因子。
  19. The improved algorithm based on split radix fft meet the real time demand of range compression node and remove the effect of pulse compression result for the overflow

    與傳統的基2 、基4演算法相比,該演算法滿足距離壓縮節點的實時性能要求,同時解決了由於溢出對脈沖壓縮結果的影響。
  20. Considering the huge data and long simulating time, this dissertation employed the distributed simulation high level architecture, thus reduced the simulating time and improved the simulation efficiency through real time range compression and parallel azimuth compression carried out on two computers

    針對星載sar數據量大,模擬時間長。本文採用基於hla的分散式設計,通過採用距離壓縮實時處理和方位壓縮由兩臺計算機同時處理的方法減少模擬時間,提高了模擬效率。
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