雷達地形圖 的英文怎麼說
中文拼音 [léidádexíngtú]
雷達地形圖
英文
electronic map-
The topographic map produced by clementine ' s laser ranger revealed the astounding dimensions of the spa basin, which stretches 2, 600 kilometers across, making it the largest impact crater in the entire solar system
克萊門蒂號的雷射測距儀製作的地形圖揭露出spa盆地驚人的大小：寬達2600公里，是整個太陽系最大的撞擊隕石坑。In order to obtain the complex rcs of the target quickly in high frequency band, the graphical electromagnetic computing software, greco, is used. the modification of the computing kernel code is presented. the judgement of edges of complex targets is more sufficient and the computation of edge wave based on physical theory of diffraction ( ptd ) is more exact after the modification
為了可以準確地預估雷達目標的rcs ，我們對于航天部207所的圖形電磁計算軟體（ greco ）進行了進一步的開發與包裝，用borland公司的c + + builder開發了更加易於使用的基於windows操作系統的新版greco ，並且在考察了原有的greco計算內核之後，結合計算機圖形學方面的理論，對greco的內核代碼進行了改進，整體上使得邊緣繞射場的計算結果更加準確。The main contribution of this paper is that it offers the software to analyze the detection performance and the combat efficiency of radar system taking advantage of visual c + + 6. 0. the software has very well graphics visualize output interfaces. the software can be used to expediently compare the detection performance of radar in existence, calculate and compare the max range and the detection precision of different radar under varying complex environment, calculate the radar detection probability and the radar false alarm probability. some new analyzing module can be added in this software easily
論文的主要貢獻是利用visualc + +設計了「機載火控雷達性能分析與效能評估軟體」 ，該軟體具有良好的人機交互性和圖形化形象化的輸出界面，可以方便的分析對比現有國內外機載雷達系統的檢測性能，對比不同雷達系統在各種復雜環境下的最大發現距離，計算不同雷達系統在各種復雜環境下的測量精度，以及計算雷達的檢測概率和虛警概率等參數，並且可以方便地添加新的分析模塊，進一步增加軟體的功能。Detailed diagnoses is made on a heavy - hard rain in the northeast qinghai - xizang plateau using ncep data of 1 x 1 with 6h intervals, more complete and integrated conventional observational data and the data set of automatic meteorological stations in plateau and new generation doppler radar data and satellite images and etc. the following conclusions can be drawn : 1. the distribution of heavy - hard rain, which is characteristics of valley topography in northeast qinghai - xizang plateau is obviously effected by topography. the distribution of yearly mean precipitation and the frequencies of heavy - hard rain in this area are descending from east to west
本文首先利用ncep時間間隔為6小時的1 1的格點資料、更全面、更為完整的常規探測資料和高原地區布設的自動氣象站資料、新一代多卜勒天氣雷達資料、衛星雲圖資料等對高原東北部地區大到暴雨的天氣、氣候特徵及大尺度環流背景進行分析，形成對高原暴雨的整體認識，並為以後的數值模擬提供大尺度環流背景及依據，分析中發現： 1 、高原東北部地區大到暴雨的分佈明顯受到地形影響，年降水量和大到暴雨次數自東向西呈階梯性遞減趨勢，分別在高原東北部的外流河谷地區和四川北部地區存在大值中心。The multi - channel digital synchronized log ( mdsl ) is a hi - tech product developed by institute of image & graphics, sichuan university, which is used mainly for recording synchronously the radar data and the dialogue between pilots and the control tower for airdrome and airline companies
「多通道數字同步記錄儀」是四川大學圖象圖形研究所研製的用於各個機場和航空公司用於實時記錄多路地空對話和雷達數據高科技產品。The macro characteristics of status cloud systems have been studied by using every 3 - hour sounding data, satellite cloud pictures, radar echoes, synoptic charts, surface rainfall, raindrop size distribution and microwave radiometer. the spatial distribution of precipitation particles and the mechanisms of their formation were studied by one - dimension stratus model. thus, spring stratus precipitation conceptual model was primarily established in henan province
利用3小時一次的加密探空資料、衛星雲圖、雷達回波圖、天氣圖、地面雨量、雨滴譜、微波輻射計等資料，分析了降水雲系的宏觀特徵，並利用一維層狀雲模式研究了降水粒子的時空分佈和水質粒形成的微物理特徵，由此初步建立了河南省春季層狀雲降水的概念模型。Lighting control, material, view transformation ), that we can get realistic 3d terrain in chapter 4, we discuss the key technology of the zzco2 radar armored reconnaissance tank system, which includes multiple rs - 422 serial port communication, the synchronous of thread, the overlap operation of i / o, the application of windows graphics function, the multiple layer display of electronic map, and orale dbms etc
第四章具體介紹雷達偵察車系統軟體中的關鍵技術，包括rs - 422多串口通信、雷達偵察系統中的線程同步和i / o重疊操作、 windows圖形功能在本系統中的應用、電子地圖多層顯示、 oracle數據庫等。The use of chaos in signal processing, communication and control has been a very active area of research in recent years. since chaos is a deterministic complex phenomenon, it opens up a new field for signal processing. this dissertation focuses on developing efficient algorithm for signal detection, parameter estimation of radar and also on radar signal generator
本文研究屬于基於混沌的應用研究，主要從雷達信號檢測、參數估計、波形設計和圖像處理的數字水印四個方面較全面地討論了混沌理論及相關技術在信號處理系統中應用的可能性，探討了相應的信號處理演算法和實現過程。For service delivery, the hko operates a web - based information service through which airline companies can retrieve the latest meteorological information and flight documentation including weather forecasts for departure, destination and alternate aerodromes, forecast charts of en - route significant weather, wind and temperature data, as well as weather radar and satellite images
在資訊服務方面，天文臺以網頁形式為航空公司提供最新氣象資料及飛行文件，包括香港國際機場、目的地機場及備降機場的天氣預報、航路上重要天氣預報圖、風及溫度數據以及雷達和衛星圖像。Based on geological radar penetrating practice for soil and stone dam hidden dangers of reservoirs in northwestern loess areas and from the variations of the disturbance, pore ratios and water contents of the soil bodies in the percolation positions, the authors analyzed the variations of geological waveform characteristics and waveform phase axis continuation, and summed up the graph characteristics of the percolation hidden dangers in different periods
摘要通過西北黃土地區水庫土石壩滲流隱患探地雷達探測實踐，從滲流部位的土體擾動、空隙比、含水量的變化入手，分析探地雷達波形特徵變化、波形同相軸連續性的變化，總結了滲流隱患不同時期的探地雷達圖像特徵。Because p - sar sensor is playing a more and more important role in applications in both civil and military areas, it has been placed on an important role by scientists in the world. polarimetric sar three - dimensional images technology is a new developing measuring technology
三維sar成像中的一種最新發展動態是利用極化合成孔徑雷達的二維圖像數據，提取地形方位向坡度信息，從而在極化sar二維成像的基礎上，形成極化sar三維成像。The circular eye of typhoon yutu was clearly seen in the image at about 200 km to the south - southwest of hong kong in the morning of 25 july 2001
臺風玉兔2001年7月25日2001年7月25日早上，臺風玉兔的圓形風眼清楚地顯示在雷達圖像上。分享友人