雷達地圖 的英文怎麼說
中文拼音 [léidádetú]
雷達地圖
英文
radar map-
This graph, produced using preliminary altimetry data from cassini ' s radar instrument, shows relative surface heights on titan
這是用卡西尼號上的雷達探測出的初步測高數據製成的圖表，顯示出土衛六上地表的相對高度。Sea clutter mainly occurs close to the radar site. it appears as a stationary feature in an animation sequence
海雜波主要出現在接近雷達位置的地方，而在圖像動畫中一般是呈現靜止不動的。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 hong kong observatory ( hko ) has launched a personal digital assistant ( pda ) website today ( april 8 ). this pda website enables the public to obtain weather information such as weather radar images, rainfall distribution maps and regional weather data anytime anywhere
香港天文臺今日（四月八日）推出個人數碼助理網站，讓市民不論何時何地均可取得雷達圖像、雨量分布圖和香港各分區天氣等資料。Considering the characters of 3 - axes coordinate system that is not included in ship rectangular frame or inertial frame, compensation conditions are deduced through studying the effects of ship - swing. the paper studies how to transfer line velocity and acceleration in the inertial frame to angular velocity and acceleration which correspond each axis, then gives the computer function scheme. servo control scheme which can overcome ship swing and realize moving - target accurate tracking is designed according to inconsistency of radar base angle and beam angle
針對三軸軸系既非甲板坐標系又非大地坐標系的特點，既研究了船搖對正交三軸雷達系統的影響，推導實現船搖不變性的補償條件，又研究了將目標在大地坐標系中的線速度和線加速度濾波值折算到各軸對應的角速度和角加速度值的計算關系，並作出了計算機功能框圖。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。This system also includes an on - line information service through which airline companies can retrieve flight documentation including forecast charts of en - route significant weather and wind temperature data issued by the world area forecast centres at london and washington, weather forecasts for departure, destination and alternate aerodromes, as well as the latest meteorological information of weather radar and satellite images, aerodrome warnings, tropical cyclone information, etc. weather briefings are provided via telephone or video conferencing equipment to flight crew members on request
該系統也包括一在線資料服務，航空公司可透過此服務提取包括由倫敦及華盛頓世界航空區域預報中心發放的航路上重要天氣及風/溫度資料的預報圖、起飛、目的地及備降機場天氣預報的飛行氣象文件。此外，航空公司亦可提取最新的氣象資料包括天氣雷達圖像、衛星雲圖、機場天氣警報及熱帶氣旋資料等。如有需要，航空預報員可以透過電話或視像會議系統向飛行人員作天氣簡報。This system also includes an on - line information service through which airline companies can retrieve flight documentation including forecast charts of en - route significant weather and windtemperature data issued by the world area forecast centres at london and washington, weather forecasts for departure, destination and alternate aerodromes, as well as the latest meteorological information of weather radar and satellite images, aerodrome warnings, tropical cyclone information, etc. weather briefings are provided via telephone or video conferencing equipment to flight crew members on request
該系統也包括一在線資料服務，航空公司可透過此服務提取包括由倫敦及華盛頓世界航空區域預報中心發放的航路上重要天氣及風溫度資料的預報圖、起飛、目的地及備降機場天氣預報的飛行氣象文件。此外，航空公司亦可提取最新的氣象資料包括天氣雷達圖像、衛星雲圖、機場天氣警報及熱帶氣旋資料等。如有需要，航空預報員可以透過電話或視像會議系統向飛行人員作天氣簡報。Ultra windband synthetic aperture radar ( uwb - sar ) has a broad applications because it can produce fine images of concealed targets with the capabilty of penetrating the foliage and the surface of the earth. lt has been an important sign for acquiring high - resolution images of uwb - sar for real time processing, and the efficient imaging algorithm is the pivotal and the fundation
超寬帶合成孔徑雷達（ uwb - sar ）能夠穿透葉簇和地表實現對隱蔽目標的精細成像，有著廣泛的應用前景，高解析度uwb - sar圖像的實時獲取已成為成像雷達發展的一個重要標志，而高效成像演算法又是它的關鍵和基礎。To monitor weather conditions of the airport and prepare weather forecasts, the forecaster refers to all available weather information, including conventional weather elements such as surface winds, pressure, temperature and rainfall, as well as radar and satellite pictures
預報員須綜合多方面的天氣資料，包括常規天氣要素如地面風氣壓溫度雨量，以及雷達衛星圖像等，來全面地監察機場地區的天氣情況，和編制天氣預報。Longitudes are labeled at the bottom of the map. the radar swaths are superimposed on a false - color image made from observations by nasa ' s hubble space telescope
這個地圖展示了4 . 30日土衛泰坦的情況，卡西尼號越過定點，用其孔徑雷達成像方式拍攝。With its ability to image the earth ' s surface in nearly all weather conditions, together with its high spatial resolution, sar has shown its potential for classifying and monitoring geophysical parameters both locally and globally. however, speckle in sar images disturbs its applications
Sar全天候、全天時工作和穿透一些地物的特點，使合成孔徑雷達遙感在固體地球科學、生態科學、水文科學和海洋科學等領域正發揮著越來越重要的作用，但sar圖像的斑點阻礙了sar的應用。The authors briefly introduced the operating principle of gpr and its method and technique for investigating the subterranean cavitation, with some subterranean cavitation inspection of groundwork exploration in guangzhou as an example, analyzed the radar wave group characteristics of subterranean cavitation, and summarized the anomaly characteristics of the time - depth sections of the gpr
摘要簡要介紹了探地雷達工作原理及其探測地下空洞的方法技術，以廣州某地基勘察中地下空洞的檢測為例，分析了地下空洞的雷達波組特徵，總結了探地雷達時深剖面圖的異常特徵。Inside the protection radome, the 8. 5 - metre diameter dish antenna lower figure of the tai mo shan weather radar scans the atmosphere continuously for rain areas within 500 kilometres of hong kong
藏於雷達天線罩內，直徑長達8 . 5米的大帽山天氣雷達碟型天線下圖，不斷地掃描香港500公里范圍內的雨區。Inside the protection radome, the 8. 5 - metre diameter dish antenna ( lower figure ) of the tai mo shan weather radar scans the atmosphere continuously for rain areas within 500 kilometres of hong kong
藏於雷達天線罩內，直徑長達8 . 5米的大帽山天氣雷達碟型天線（下圖） ，不斷地掃描香港500公里范圍內的雨區。In recent years, sar has been an effective sensor of planet imaging and earth observation because of its abilities in large - area imaging, working on whole climate and whole day, and strong penetration
近年來，合成孔徑雷達（ sar ）的大面積成像以及它的全天候、全天時及其穿透能力使得它成為一種行星成圖和地球科學觀測等的一種行之有效的傳感器。Some features and feature groups that can well show the characteristics of urban environment are founded through experiment to compare the performances of different features. for all the researches in this paper, the radarsat images in 1998 and 2000 and the spot image in 2000 of beijing and field survey data are used to validate. the experimental result demonstrates that a higher change detect accuracy can be obtained < wp = 4 > through the texture differencing method than through the image differencing method based on gray level and the wide application of texture differencing method for urban change detection in sar images
本文開展的各項研究工作，均使用北京地區1998年、 2000年radarsat圖像、 2000年spot圖像及實地考察數據進行了驗證，實驗結果表明，與灰度差值法相比，本文所提出的紋理差值變化檢測方法獲得了更好的檢測結果，也表明了紋理差值變化檢測方法在合成孔徑雷達圖像和變化檢測中良好的應用前景。Operations guide : cs and actually somewhat similar, upper right a radar map, to tell you which direction visual excitement while there, infinite ammunition, visual excitement while targeting only tried to shoot, it shot up to date, to be careful of is, as long as it is encountered, you freezing
操作指南：其實和cs有點似，右上角有個雷達地圖，告訴你哪個方向會出現人偶，彈藥無限，只須瞄準人偶拚命地射，直到射死它為止，要小心的是，只要被它碰到，你就掛掉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。Hourly rainfall information derived from weather radars and raingauges is routinely ingested into the model for more effective simulation of rain systems fig. 4, allowing forecasters to make useful reference of the quantitative precipitation forecasts and precipitation trends provided by objective model guidance
運作后，天氣雷達及雨量計的每小時雨量分析數據定規地被放到模式內圖表4 ，讓模式更有效地模擬降雨系統的演變，為預報員提供極具參考價值的定量降雨預報和降雨趨勢的客觀指引。分享友人