airborne simulation 中文意思是什麼
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Second, this paper analyzes the time - frequency distribution of the clutter from airborne pulse doppler radar ( pdr ). the side - lobe clutter, which is the main factor to influence the pdr, is analyzed and calculated. based on the simulation of typical geometry of the land, we analyze and discuss the side - lobe clutter and concluded that the dft of can be considered as the phase of the coho
並且根據各種典型地貌的近似模擬，從統計特性上和頻率域上對脈沖多卜勒雷達的旁瓣雜波進行了分析討淪，還得出脈沖多卜勒雷達的dft可以近似地看作相參積累，並在程序的編制中利用了這一個結論。 -
Based on historic radiosonde data of changchun city, jilin province and xian city. shanxi province and on the typical model of profiles of cloud liquid water content for stratiformis, the coefficients of retrieval equation are obtained as the functions of height for each month from april to july in the two cities. furthermore, we explore the internal physics signification of retrieval coefficients ' distributing according to every month and have comparisons between the two cities. then the numerical simulation tests of the accuracy of retrieval results are given : the statistical relative deviation of retrieved values of l to the simulated " trues " on the ground is 15 - 25 % and that at altitude of 6km is 5 - 10 %, that means the retrieval method and implementation of the method are applicable to processing measurements of an airborne radiometer made in china recently
本文介紹機載對空微波輻射計探測雲中路徑積分液態水含量（ l ）的輻射傳輸原理和反演方法；根據吉林省長春市和陜西省西安市的歷史探空資料和典型的層狀雲液水垂直分佈模式，得到這兩個地區4 - 7月各月的隨高度而變的反演公式及其系數的表達式；探索了和反演系數有關系的大氣的影響，並在各個月份之間進行了比較分析；給出了反演誤差的數值模擬檢驗結果：在地面反演值對『真值』的統計相對偏差是15 - 25 ，在6公里高度處為5 - 10 ，表明該方法已具有實用可接受的精度。 -
Application of dem and gis to simulation of airborne radar signal
在機載雷達波束內信號模擬中的應用 -
The calculation of sea / land clutter power to airborne pd early warning radar is a hot and difficult problem of ew simulation
機載脈沖多普勒預警雷達海地雜波功率計算是電子戰模擬研究的一個熱點和難點問題。 -
Modeling and simulation of airborne stabilized sighting system
機載穩瞄控制系統模型及模擬分析 -
This dissertation presents the author ' s main contributions in the studies of the sea optical scatter channel by use of monte carlo simulation on the background of airborne oceanic submarine laser communication system. physical and optical properties of physical constituents in sea optical scatter channel are studied and summarized
本文以機載海洋激光對潛通信系統為背景，分析和概括了海水光散射通道中的各物理成份的物理和光學性質，討論了海水的固有和視在光學性質。 -
System simulation of measuring airborne velocity using doppler technology with radar altimeter
雷達高度表進行多普勒測速系統模擬 -
The simulation method of point - target, 2 - d target and 3 - d target was given in an airborne - sar side - glance condition. then the computer program was developed and some good imaging were obtained. in brief, the dissertation will be favorable to the development of sar raw signal
根據所建立的模擬模型，給出了機載sar正側視情況下點目標、面目標和三維目標的原始信號模擬方法，編寫了原始信號模擬和成像處理的程序，得到了各種目標的模擬雷達圖像。 -
Finally, this thesis put forward the application of frequency diversity reception to the counteraction against the frequency selectivity decline in the airborne oceanic submarine laser communication system, and whose capability graph is educed through the simulation on the computer
文中提出把頻率分集接收技術應用於對潛通信中，以達到抗頻率選擇性衰落的目的，並通過計算機模擬得出了其性能曲線。 -
To shorten aircraft r & d time and reduce cost, simulation is necessary, aircraft is an airborne one and environmental actions on aircraft are simulated by the loading system
在模擬系統中，飛行控制系統採用實物，而飛行器在飛行過程中所受的外界作用力則由電液伺服加載系統來提供。 -
Radar signal simulator features economy ， flexibility ， practicality ， etc. it ' s significant to develop radar simulators for radar research and manufacture. this dissertation discusses mainly the analysis of ground clutter spectrum in sum and difference channels for airborne phased array radars ( apar ), and the design of the radar signal simulation resource and the video output of the apar simulator
本文以機載相控陣雷達視頻信號模擬器的研製為背景，以實現和差通道的目標和雜波模擬為重點，對該系統的雷達時序產生和系統的視頻輸出等問題的設計和實現進行了較深入的研究。 -
Airborne digital map is the crucial part of terrain contour matching system. the characteristics of digital map are investigated. at last a map selection algorithm is introduced, and the simulation results demonstrates this algorithm work well
數字地圖的存儲格式、制備噪聲、精度和解析度等對地形匹配系統的工作性能有很大的影響，本文在分析有關數字地圖技術的基礎上，給出了一種較為實用的地形匹配適配區域的選擇演算法，並對其進行了模擬驗證。 -
The simulation experiment results of real airborne stripmap sar system parameters indicated that, the simulating measures we adopt are efficient and authentic. implement of large extend target simulation with the algorithm of 2dfft can attain high calculation efficiency and have applied value in a certain extent
對機載條帶式sar真實系統參數的模擬實驗結果表明，本文對不同目標模型採用不同的演算法生成sar回波數據，成像后的指標均能達到圖像質量基本要求，所採用的模擬方法有針對性，真實有效。 -
This paper analyze the basic character clutter and the clutter model. it study a simulation algorithm of airborne pd radar and carry out the the clutter sample of different distributing, the location of character clutter in detecting and the relation of radar system parameter are research in this paper
並研究了特徵雜波在檢測域中的位置與雷達系統參數的關系;介紹了分形技術的發展和基本的mandelbrot分形理論，分析了雜波的分形特徵，研究了多重分形技術在雜波跟蹤中的應用。 -
Research on simulation environment and evaluation of airborne c3i system
的水下戰模擬系統研究 -
The method of serial communication between host computer and plc is introduced when developing distributed control system, which has been successfully applied in a real working condition simulation system on ground for airborne electrical power
摘要介紹了通過上位機和plc組建分散式控制系統時的串列通信的實現，並結合實例做了具體介紹，該方法在某航空電源地面模擬飛行環境試驗艙系統中得到成功應用，取得了滿意的效果。
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