測距解析度 的英文怎麼說

中文拼音 [cèjùjiěxīdù]
測距解析度 英文
range resolution
  • 測 : 動詞1. （測量） survey; fathom; measure 2. （測度; 推測） conjecture; infer
  • 距 : Ⅰ名詞1 （距離） distance 2 （雄雞、雉等的腿的後面突出像腳趾的部分） spur （of a cock etc ）Ⅱ動詞...
  • 解 : 解動詞（解送） send under guard
  • 析 : Ⅰ動詞1. （分開; 散開） divide; separate 2. （分析） analyse; dissect; resolve Ⅱ名詞（姓氏） a surname
  • 度 : 度動詞[書面語] （推測; 估計） surmise; estimate
  • 測距 : range [distance] finding; distance measurement; ranging; stadiometry
  • 解析度 : degree of resolution
  • 解析 : analysis; resolution; analyzing; resolving解析幾何 [數學] analytic geometry; cartesian geometry; ...
  1. 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。
  2. The position and size of the monochromator, focusing curvature radii and tilting angles of the germanium focusing monochromator under different different take - off angle, size and divergency of the second collimator and intensity loss due to the use of it were determined. the neutron flux at different wavelength, under different reflection and take - off angle of the monochromator and divergency of the first collimator, were given. the simulation on the aperture used for limiting beam size in front of the sample showed that, smaller the size of the aperture and further the distance from the aperture to the sample, greater the loss of the intensity and more serious the spread of the beam along vertical direction at the sample position which makes the practical sampling volume greater than expected

    用蒙特卡羅模擬方法對中子應力衍射譜儀的設計方案進行了優化研究，提出了一系列可供參考的數據：確定了單色器的位置、尺寸、垂直聚焦單色器在不同起飛角下的聚焦曲率半徑和傾角；討論了第二準直器的尺寸和發散，以及使用第二準直器造成的強度損失；給出了在不同單色器反射面、起飛角、中子波長和第一準直器發散度的情況下樣品處的中子注量率，以及多種組合情況下譜儀的解析度曲線；對限束方孔的尺寸、距離樣品遠近對強度損失和測量中的影響做了深入研究。
  3. The results of the experiments indicate that the main performance of the ladar prototype matches the design requirement theoretically. the ladar prototype has many advantages, such as high imaging speed, high image resolution, high ranging precision and high quality intensity image, which can be obtained simultaneously

    實驗結果表明，所研製的成像激光雷達的主要性能指標與理論設計基本一致，具有成像速率高、圖像解析度高、測距精度高以及可同時獲得高精度強度圖像等優點。
  4. Digital binoculars are new products and so there are no data about the test of the resolution and field of view matching. in order to measure the resolution of digital binoculars, the method based on the combination of collimator and resolution chart is proposed

    為了檢驗數碼望遠鏡的解析度，提出了採用平行光管和鑒別率板的組合來測量的方式，並對鑒別率板的離焦量、平行光管焦距與鑒別率板的匹配進行了理論推導。
  5. The algorithm features full utilization of different installation positions and different angular resolutions of the two lrfs by assigning different tasks to them. the top lrf was used to set up the initial trace of new obstacles recognized from the result of d - s evidence theory based multi - period data fusion and the bottom one was used to maintain tracking of obstacles, providing relatively accurate positions of the obstacles

    該演算法的特點在於充分利用了兩個激光測距雷達的不同安裝位置、不同解析度對障礙檢測造成的有利條件，將多目標跟蹤的理論和技術融入障礙檢測的軟體框架中，並結合d - s證據理論融合多測量周期的識別結果，由頂雷達建立障礙的初始航跡，而底雷達進行航跡的跟蹤和維持。
  6. Because of the advantages of no range blind area, high range resolution, low signal power and simple structure, lfmcw ( linear frequency modulation continuous wave ) radar attracted more and more attention recently

    線性調頻連續波（ lfmcw ）雷達是一種通過對連續波進行頻率調制來獲得距離與速度信息的雷達體制系統。由於其具有無距離盲區、高距離解析度、低發射功率、結構簡單，便於集成化等優點，適合用於液位測量系統。
  7. Comparing with the traditional phase - shifted laser range finder, the method could implement the ranging with multifrequency by using single modulated frequency. it could not only solve the contradiction of the range and the precision, but has high degree of accuracy and wide range, simplify the hardware design, and reduce the cost. this paper introduced the theory of phase distance measurement, analyzed various testing methods and expatiated the hardware and the software for the proposal system

    與傳統的相位法測距相比，本方法使用單調制頻率實現了多頻測距，有效地解決了相位法測距中測程與測量精度之間的矛盾，具有高精度、大量程、大噪聲容限的特點，而且簡化了硬體設計，降低了成本；其次在數據處理中採用數據加窗函數的方法，提高了方波信號的頻譜解析度，進而提高了測量的精度。
  8. In the paper, the gpr system developed by us employs several optimization techniques to enhance the system performances, including antenna, sampling - hold circuit, orientation wheel, function of system software, multithreading, and signal processing algorithms. as the result the system works more well with these techniques, and its azimuth and distance resolution of 10 cm has been achieved with detection depth of more than 50 cm. the main contents of this dissertation are summarized as following : 1

    本文根據探地雷達系統工作原理，在電子科技大學探地雷達系統樣機研製的基礎上採用了各種有效的優化技術，包括探測前端、采樣保持電路的優化，定位輪、目標定位、多線程技術的應用，數據採集處理和控制軟體功能的拓展、各種有效的信號預處理演算法的應用等，顯著提高了系統的探測性能和增強了探測效果，使得系統方位、距離解析度均達到了10cm ，探測深度大於50cm ，其性能指標達到國外先進水平，為進一步的實用化奠定了重要的基礎。
  9. Scatterring centers from each azimuth range profile are extracted firstly, and then turn two dimension distributed target scatters into one dimension and integrates all scatters energy along one dimension

    模擬結果表明，該方法較距離擴展目標檢測方法的檢測性能有明顯改善，且其檢測性能隨著角解析度的提高而進一步改善。
  10. Temperature measurement and thermal testing in non - destructive evaluation, research and development, product design validation, quality control, target signature analysis and medical applications

    如在檢測極小或遠距離目標時，通過外加的光學鏡頭使得圖像質量解析度和靈敏度不會損失。
  11. The interpolation errors of the moire stripe signal have worked on the whole precision of encoder greatly for high - resolution, high - accuracy photoelectric rotary encoders. however it ' s difficult to measure the resolution errors under the conditions of smaller grating pitch and many interpolations

    對于高精度、高解析度光電軸角編碼器來說，光電信號細分誤差對光電軸角編碼器整體精度的影響很大並且在光柵節距較小、細分份數較多的情況下，分辨力誤差很難檢測。
  12. A chirp - z transform ( czt ) algorithm on the which is similar to range - doppler algorithm is studied, and the effective swath width is analyzed. secondly, a modified block czt algorithm is presented, which improvs the computational efficiency of the high - resolution sar imaging with wide swath

    其次研究了一種與距離-多普勒演算法類似的線性調頻z變換（ czt ）演算法，分析了有效測繪帶寬度的問題；提出了一種改進的分塊處理czt演算法，提高了對大場景高解析度sar成像處理的計算效率。
  13. The data acquiring system has such functions as configuring the lms, including its view field, angle resolution, and measuring modes, also, it will save the data continuously or by frames according to the user ’ s requirements

    其中，數據採集子系統能夠根據實際應用需要設置激光掃描范圍、角度解析度、距離解析度等不同屬性，完成多種測量模式切換，便於實時觀察和應用於不同的需求環境。
  14. With the development of radar technology, one of the obvious features of radar is the improved resolution. the imaging radar is a type of high - resolution radar, which is based on the technology of broadband microwave and advanced signal processing. by use of the imaging radar, which has broad applications and has become the focus of the field, the target can be imaged hi all weathers and at anytime from far distance

    隨著雷達技術的發展，現代雷達的最顯著特點之一就是對目標的分辨能力的提高，以寬帶微波技術和先進的信號處理技術為基礎的成像雷達，它作為一種高解析度的雷達，能夠對觀測對象進行全天候、全天時、遠距離的成像，有著廣泛的應用前景，成為研究的熱點。
  15. On the other hand, the responsibility of the detectors is not consonant with each other, which causes the serious non - unification among the infrared detectors. the distinguishability of the image has been reduced, which will reduce the distance of the infrared system ' s operation at the same time

    其次，熱成像系統中32元探測器的特徵性能參數並不完全一致，造成各個探測器之間非常嚴重的不均勻性現象，降低了圖像的解析度，影響了熱成像系統的有效作用距離。
  16. The projection optics with aspherical mirror of sub - nanometer accuracy are required to get a resolution of less than 0. 1 m m and wide exposure area simultaneously. the precision of polishing and testing for such ashperical surface is fairly high and it has not been achieved yet in our current state

    Euvl微縮投影物鏡為了同時實現大的曝光視場和0 . 1 m以下的成像解析度，微縮投影光學系統需採用面形精度達亞納米量級的非球面，但我們現階段的光學加工和檢測技術距此要求尚有一定的差距。
  17. The circuit suit for long - distance transmission and monitoring and has high precision and anti - jamming characteristic. it measures the frequency by pci card which is base on the method of multi - period synchronization

    應用電容-頻率轉換的數字化測量方法具有較好的抗干擾效果和較高的測量解析度，適宜於遠距離傳輸和監測。
  18. Except that, many problem can " t be solved, such as the conflict of ccd " s high resolving power and big vision field, how to control the automatic gathering of pcb " s image using master and slave computer parallel structure, how to inspect the defect of pcb such as width of circuit, distance of circuit, losing circuit and so on. the research aim at how to combine computer vision, precise machine, automatic control with image process, at how to resolve the contradiction between high resolving power of image gathering and wide vision field, at how to realize automatic mosaic of image, at how to realize precise orientation of two dimension worktable, at how to realize communication between master computer and slave computer, and at how to inspect the defect of line width, line distance and losing

    除此以外，還有ccd高解析度和大視場之間的矛盾，上下位微機并行系統如何控制印刷電路板圖像自動採集，印刷電路板的線寬、線距和丟失線條等缺陷如何檢測等問題還懸而未決，本課題將就如何結合計算機視覺技術、精密機械技術、自動控制技術和圖像處理技術，如何解決圖像採集高解析度與大視場之間的矛盾，如何實現圖像的自動拼接，如何實現兩維工作臺的精確定位，如何實現上下位機的準確通訊，如何檢測線寬、線距缺陷和丟失線條等問題展開重點研究。
  19. High resolusion optical systems including refractors, catadioptric lens and reflectors used to observation from the satellites to the earth is presented and the problems in design is discussed

    摘要對用於衛星對地觀測用各種高解析度長焦距光學系統，如折射系統，折反射系統和反射系統等各種形式和設計問題進行了分析和討論。
  20. The main features and applications of the lfmcw radar in the radar altimeters, automotive highway monitoring systems, warship navigation systems and other areas are reviewed first. based on the relevant research results, the liquid level measurement system are researched, included system design, the selection and computation of important parameter, the research of signal processing arithmetic, the development of hardware, the software realization of arithmetic and the debugging of signal processing system. the main research work and results can be summarized as follows : 1

    本文首先介紹了lfmcw雷達的特點以及應用，分析了液位測量雷達的測距原理以及距離解析度的影響因素，然後重點研究了lfmcw液位測量雷達系統設計考慮關鍵因素，完成了lfmcw液位測量雷達系統的設計方案和指標論證，提出了該雷達系統差拍信號處理演算法，並編寫軟體實現了該演算法，然後利用開發板實現了信號處理樣機，對信號處理演算法進行了驗證。
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