range resolution 中文意思是什麼

range resolution 解釋
測距解析度
  • 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...
  • resolution : n 1 決心,果斷;堅定,剛毅。2 (議會等的)決定,決議(案);【法律】〈罕用語〉判決;(疑問等的)...
  1. Compared with the low range resolution ( lrr ), high range resolution ( hrr ) radar can supply more structure information of targets. it is one of the most important development directions in modern radar. hrr radar has much extensive application prospects in targets detection, targets imaging, targets identification and so on

    高距離分辨雷達較低分辨雷達能提供更多的目標結構信息,是現代軍用雷達裝備的重要發展方向之一,在目標檢測、目標成像和目標識別等方面有極其廣闊的應用前景。
  2. With modern weapon and modern wingmanship being developed, the higher performance of the radar, such as action range, resolution, measure precision and so on, are required

    隨著現代武器和現代飛行技術的發展,對雷達的作用距離、分辨力和測量精度等性能指標提出了越來越高的要求。
  3. To improve this ability, a higher cross - range resolution is needed. an inverse synthetic aperture radar ( isar ) achieves high resolution in the cross - range dimension by taking advantage of the motion between radar and targets to synthesize the effect of a larger antenna aperture

    逆合成孔徑雷達( inversesyntheticapertureradar ,簡稱isar )信號處理對接收到的運動目標的回波信號進行相干處理,等價成一個大口徑天線,很大程度上提高了方位向距離分辨力。
  4. Isar transmits wide bandwidth signals to obtain high range resolution. the cross - range resolution is obtained by the doppler frequency information of the target ’ s rotation

    逆合成孔徑雷達通過發射大帶寬信號獲得好的距離解析度,利用目標相對于雷達的轉動產生多普勒頻率梯度來獲取好的方位向分辨力。
  5. They mainly work hard at softwares to accomplish special processing systems. the imaging quality has become better and better and now the range and cross - range resolution can be very high

    系統設計者紛紛採用數字信號處理技術,在軟體上多下功夫,做出專用處理設備,成像質量不斷提高,其距離和方位向已達到了很高的分辨力。
  6. Because of the limited cross - range resolution, high frequency ( hf ) over - the - horizon ( oth ) radar has the poor ability to determine the number of group targets and identify the large warship such as aircraft carrier in engineering applications

    我國的高頻雷達已進入工程化應用階段,但由於受分辨能力的限制,在群組目標的個數分辨及大型船隻的識別等方面仍有不足之處。
  7. Due to the short distance among the planes which fly in a group, the conventional low resolution radar can not distinguish them in both distance and azimuth ? if we use the technology of isar to resolve the difference among doppler frequency of the targets and obtain a fine resolution cross - cross image, we may separate them, but a long time of coherent processing is needed <, for the formation targets, it can be approximately divided to rigid body and nonrigid body, so for the formation targets, that can be regarded as rigid which has a relative position and an identical movement, can be approximately considered as a large target, and be compensated by translational phase with the rule of minimum entropy, but for the most those cannot accord with the approximation of rigid, being the doppler - frequency of the aim is linear changed, by the relax method with short data, increases the resolving performance of multiple target to the aim in the frequency domain, since cross - range resolution is based on the accumulative time, so it is greatly improve the resolution to formation targets by the instant cross - range image which produced by radon - wigner transformation

    低分辨isan成像及干涉技術應用研究一因此直接無法分辨編隊目標的架數,我們借鑒isar的技術,通過較長時間的相干積累,在多普勒頻域上對目標進行分辨。而對于編隊目標,可分為近似剛性的多目標和非剛性的多目標,所以對于可以近似為剛體的編隊目標相對位置固定,運動方式一致,可以近似看作一個大目標,採用最小墑準則對平動相位的進行補償,但是大多數並不滿足剛體近似的編隊目標,由於目標在相干積累時間的多普勒頻率近似呈線性變化,通過對較短數據利用relax的時頻分析方法,提高了頻率域上目標分辨的性能。由於橫向解析度取塊于橫向積累時間,所以利用radnwigner變換得到瞬時的一維橫向距離像大大提高了對編隊目標的分辨,對模擬和實測數據的大量分析結果表明此方法的有效性和可行。
  8. Ftt makes the frequency sampled at a same frequency interval on unit circle, and the frequency interval limits the practical range - precision of the radar, and makes range precision at an equivalent level with range - resolution

    由於fft的實質是頻率在單位圓上的等間隔采樣,其采樣間隔限制了雷達的實際測距精度,使得其測距精度與其距離分辨力處于同一量級。
  9. Take integrity of object information into condition, a two - dimension signal processing method which can make a measurement of the target ’ s speed as well as the range is brought forward at the basis of waveform parameter design. and simulation in the background of hf multi - object with noise is taken. a comparison of signal properties, processing and antinoise detection performance is taken between mcpc and another two high range resolution radar signals : single carrier pulse coded signal and step frequency pulse coded signal

    考慮到目標信息提取的相對完整性,以高頻雷達為背景,在對多載波相位編碼脈沖串信號參數設計的基礎上,推導了三種多載頻相位編碼脈沖串信號的距離速度二維處理過程並相應的對多目標噪聲環境進行了模擬;將多載波相位編碼信號與另外兩種距離高分辨信號:單載頻相位編碼信號和相位編碼階梯跳頻信號,在信號特性、處理過程和抗噪聲特性方面進行了對比;本文從理論上為多載波相位編碼信號的波形設計和分析、信號的處理打下基礎。
  10. 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。
  11. The improvement of radar range - resolution not only facilitates detection of targets in high clutter, but also makes it possible to image and recognize targets

    提高雷達距離分辨力不但有利於在強雜波背景下的目標檢測,而且使目標成像成為可能。
  12. 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。
  13. Pulse internal phase coding and pulse external quasi random frequency agile signal is a kind of complex signal which can avoid interference frequency band, increase system bandwidth, consequently increase the range resolution

    本文所研究的脈內二相編碼脈間準隨機跳頻信號是復合信號的一種,可以避開干擾頻段,提高系統帶寬,從而提高了距離分辨力。
  14. Moreover, the signal processing method of high range resolution based on inverse discrete fourier transform is analyzed. the synthetic high range resolution of the several scatters is simulated

    此外,本文還闡述了頻率步進信號的逆傅立葉變換合成距離高分辨的處理方法,並對多散射點目標的合成距離高分辨效果進行了計算機模擬。
  15. The development of high range resolution radar has given strong support to ratr

    高距離解析度雷達技術的發展為ratr的研究提供了強有力的技術支持。
  16. The high range resolution radar echo of plane target is denoted as one dimension range profile

    飛機目標的高距離解析度雷達回波呈現為一維距離像。
  17. This thesis mainly studies the problem of automatic target recognition ( atr ) based on high range resolution radar profiles

    本文主要研究了基於高距離解析度雷達像的自動目標識別問題。
  18. In order to obtain high range resolution, the chirp signal is used as subpulse to form stepped frequency modulated radar signal

    摘要為了獲得高距離解析度,將線性調頻信號作為子脈沖構成調頻步進雷達信號。
  19. Ultra - wide band ( uwb ) radar is paid more attention to due to its great capabilities in high range resolution, robust anti - jamming and low probability of interception

    超寬帶雷達因其高距離解析度、強抗干擾能力、低截獲率等優異的性能受到越來越多的關注。
  20. The rangeprofile can be formed by high - range resolution radar ( hrr ). the rangeprofiles of the targets contain more information for recognition than the radar cross section ( rcs )

    使用高距離解析度雷達可獲得目標的一維距離像,一維距離像包含了更多的可用於目標識別的信息。
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