目測距離 的英文怎麼說
中文拼音 [mùcèjùlí]
目測距離
英文
estimated distance by eye- 目 : Ⅰ名詞1 (眼睛) eye 2 (大項中再分的小項) item 3 [生物學] (把同一綱的生物按彼此相似的特徵分為幾...
- 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...
- 離 : Ⅰ動詞1 (離開) leave; part from; be away from; separate 2 (背離) go against 3 (缺少) dispens...
- 目測 : visualization; [軍事] range estimation; perusal; eye measurement; eye survey; visual measurement...
- 距離 : 1 (相隔的長度) distance; range; gap; space; spacing; separation 2 (相距) be apart from; be aw...
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The cost of the system is reduced and the structure is predigested, and it makes the detection system can measure distance, relative velocity and azimuth angle at the same time
這樣做既提高了系統的經濟性,簡化了結構,又使得系統具有了同時測量目標距離、相對速度和方位角的功能。By using the processing method of sliding time window, the problem of the periodicity range ambiguity is solved. meanwhile, the problem of range ambiguity which is produced because the range of target is biger than the maximum range of radar is also solved by using this method. then, the pulse width parameter which is the most important in the parameters of fmicw is analyzed. the stricter restrict is given to ensure the range spectrum has only one beat frequency after signal processing. at last this thesis introduces the different signal processing methods of fmpcw and fmicw
同時利用該方法解決了fmpcw信號的由於目標距離超過雷達的最大單值測距范圍而引起的距離模糊問題。然後對fmicw波形參數中最為重要的脈沖寬度進行了分析,給出了更為嚴格的約束條件,保證了信號處理后距離譜峰值的唯一性。最後,分別介紹了fmpcw和fmicw信號的不同處理方式,並對兩者不同的時域濾波性能進行了比較,並對二者的差異進行了分析。With the yoshino pursuing so closely at the time, the 150mm krupp would have been firing open open sights ( at close to point blank range )
(配合這種測距機制,可能已經訂出每一種測得的角度對應的目標距離。The depression range - finder sight was probably calibrated to directly give range readings for each depression angle
(配合這種測距機制,可能已經訂出每一種測得的角度對應的目標距離。Time delay estimation ( tde ) by using three - element linear array is an important problem in torpedo trajectory tracking system which ttacks target according to strictly geometrical position. it is the basis of measurement of target distance, bearings etc. the error of tde influences directly the accuracy of trajectory tracking. the more efforts have been made in order to acquire high accuracy estimation
三元直線陣的時延估計是魚雷彈道測量系統中的一個重要課題,它依照嚴格的幾何關系進行目標定位,是測量目標距離、方位等參數的主要依據,時延估計的精度直接影響彈道跟蹤系統的精度,為提高時延估計精度人們進行了大量的研究和探索。Mathematic model of collision avoidance judging based on the information of distance, relative velocity and azimuth angle is made in this paper, it can effectively avoid inveracious alert, and it analyzes the processing method of many kinds information in the system
本文根據雷達探測系統得到的目標距離、相對速度和方位角等信息,建立了監控系統防碰撞數學模型,與其他模型相比該模型能夠最大限度地避免錯誤警報的發出,並且分析了各種信息在系統中的處理過程。Because of the long distance of exploration targets and the non - determinacy of flight environment in deep space exploration, a key problem proposed is how to control and operate the deep space explorer reliably and in real time
深空探測由於探測目標距離遠,飛行環境不確定等因素,給探測器的控制和操作帶來了實時性和可靠性的問題。According to the parameters such as minimum detectable power, range and reflectivity of simulant target, meteorological visibility and optical efficiency, the maximum range of laser altimeter was figured out by the range - finding equation
將最小可探測功率、模擬目標距離、目標物反射率、光學效率等參數代入最大測程推算方程,得出激光高度計最大測程指標。The key technology of it is passive ranging, while the key of ranging is the high precise time delay estimation, which is the main factor that restricts the precision of ranging
其關鍵技術是測量目標距離,而距離測量的關鍵是高精度的時延測量。時延測量精度是制約距離測量精度的主要因素。Atmospheric attenuation of scene contrast is studied theoretically on the basis of radiometric principles, and the relationships between the measured maximal detection range for a target and visibility distance under two possible conditions are obtained
根據輻射度學原理,從理論上研究景物對比度在大氣傳輸中的衰減,得到了在兩種可能的條件下所測得的目標最大探測距離與能見距離的關系。In the light of such technique the ability of detection on object will be greatly improved and the distance of detection of that will be certainly farther than before
由激光照射到待探測的目標上,用ccd相機對目標進行拍攝。利用此項技術可以大大增加目標探測能力和探測距離。Firstly, the characteristics of radiation propagation and attenuation in the atmosphere, and the power response of a contrast - limited optoelectic system are analyzed, the apparent contrast model of a target is developed, and the detection range equation dependent on the aerosol extinction coefficient and range parameter are derived
首先,分析了紅外波段大氣輻射傳輸與衰減、對比度限制光電成像系統功率響應特性,建立了目標表現觀對比度模型,並推導出了由氣溶膠消光系數和距離參量確定的探測距離方程。Studied the cluster and background reduction algorithm and, proposed an enhanced adaptive step average method based on the amplitude of a - scan signal ; 2. improved the gpr data acquisition and processing software, some utilities have been added such as position wheel control program, data format translation etc. ; 3. implemented 3d targets imaging using mixed programming of matlab and visual c + + ; 4
本文的主要工作如下: 1 .研究了探地雷達回波信號雜波及背景去除演算法,改進了一種基於a - scan信號強度的自適應滑動平均法; 2 .改進並完善了探地雷達數據採集處理軟體,加入了定位輪控制數據採集、數據格式轉換、目標距離測定等程序; 3 .研究了探地雷達目標成像演算法,利用動態鏈接庫技術實現了在脫離matlab環境下在visualc + +編寫的程序中調用matlab程序對目標進行三維成像的功能; 4 .參加外場實驗及項目驗收。Abstract : cruise missiles have the characteristics of concealment and unexpectedness, so effectively detecting cruise missiles is the crux of cruise missiles defence. in order to increase detecting distance and discovery probability for cruise missiles, we ought to synthetically utilize various measures to make up the all directions target detecting and information communicating system with emphasis, which combines air with ground, far with near, advanced measures with traditional measures
文摘:巡航導彈具有隱蔽和突然的特點,對巡航導彈進行有效的探測,是抗擊巡航導彈的關鍵,綜合利用各種手段,組成空中與地面相結合、遠方和近方相結合,先進手段與傳統手段相結合的全方位、有重點的目標探測與報知體系,可增大對巡航導彈的探測距離,提高發現概率。The single observer passive location and tracking system ( soplat ), which uses electromagnetic wave emitted by target, has proved its merits of self - hiding and far - distance detecting in modern electronic warfare and information warfar
在現代電子戰、信息戰環境中,由於利用目標輻射電磁信息的單站無源探測定位系統具有機動性強、自身隱蔽和探測距離遠等優點,因此它具有重要的應用價值。The passive location and tracking system, which uses electromagnetic wave emitted by target, has proved its merits of self - hiding and far - distance detecting in modern electronic warfare ( ew ) and information warfare. and it is now the hotspot in the field of non - linear tracking and estimation
在現代電子戰、信息戰環境中,由於利用目標輻射電磁信息的無源探測定位系統具有自身隱蔽和探測距離遠等優點,因此它具有重要的應用價值,並已成為當今非線性跟蹤與估計研究領域的熱點問題。Analysis of laser detection distance for ground optics lens
目標激光探測距離分析Finally, the numerical simulations related to infrared point - target detection range are executed using typical atmospheric data output form lowtran7 code
最後,利用low - tran7程序的典型大氣模式數據,對紅外點目標探測距離進行了數值模擬。This paper investigates the approach to estimate the maximum detection range of an infrared point - target against sky background based on the minimum resolved contrast ( mrc ) criteria
摘要基於最小分辨對比度準則,研究了天空背景下紅外點目標的最大探測距離估計方法。The millimeter wave ' s passive stealth necessity is analyzed, and the millimeter wave passive detection distance is analyzed under the base of target millimeter wave radiation characteristic testing principle
分析了毫米波被動隱身的必要性,在目標的毫米波輻射特性測試原理基礎上,對毫米波被動探測距離進行了分析。分享友人