radar area 中文意思是什麼
radar area
解釋
雷達反射面積-
It ’ s often used to cover the special target in special area or is used to make false attacking situation. these small light and cheap jamming devices always are thrown to the area near the target. they are manipulated or not to jam the foe ’ s military electronic device such as radar and radio etc. the device weighs about one kilogram and is as big as mauley
分散式干擾是在無人機機載和氣球載干擾機等形式上發展起來的電子對抗設備，通常是為了掩護特定區域的目標或在某一地區內製造假的進攻態勢，將眾多體積小、質量輕、價格便宜的小型干擾源散布在接近被干擾目標的空域、地域上，自動地或受控地對選定的軍事電子設備進行干擾。 -
Mesoscale model simulations have been performed of a severe thunderstorm that occurred on 22 - 23 august 2001 in huabei area in china. combing with satellite, doppler radar images and general weather observations, the evolution mechanism of the severe thunderstorm is analysed with emphasis on the orographic effect of taihang mountain
將模擬的雲、風、壓場和降水與實況資料進行對比檢驗，在控制模擬效果較為理想的情況下，結合衛星、 doppler雷達觀測和常規天氣資料，對整個對流風暴的發展演變過程進行分析，並著重對強對流風暴發生演變的熱力、動力機制以及重力波特徵進行了研究。 -
First, in order to verify the correct of this retrieval month, by using the data of three - dimensional wind field, raininess field and temperature field that are output by mm5 numerical simulation, we climate the radial velocity field and echo intention field in the in - phase observation area of dual - doppler radar, then, on the base of the upwards retrieval theory and using the radial velocity field and echo intention field in the in - phase observation area of dual - doppler radar, we retrieve the atmospheric three - dimensional wind field
首先，為檢驗此種反演方法的可靠性，我們使用mm5數值模式輸出的三維風場、雨強場、溫度場等數據，分別模擬生成兩部雷達同步觀測區的徑向速度場和回波強度場，然後根據以上的反演理論利用模擬的雙多普勒天氣雷達觀測到的徑向速度場和回波強度場反演出大氣三維風場。 -
Targets in the radar ppi have the main property of the little area, a few targets and irregular change of grey. so it is difficulty to detect and track the target. the study of the radar ppi is very few inland and abroad. with the development and implement of high resolution radar and high resolution raster display, target _ tracking and detecitng based on the radar ppi will be feasible. it ' s great excellence is to increase time accumulation compare with the detecting techenicial of the traditional radar
雷達ppi中目標的特點是面積小，目標或可能的目標多，灰度、形狀變化無明顯規律，所以檢測和跟蹤目標比較困難。基於雷達ppi的研究國內外甚少，隨著高解析度雷達和高分辨光柵顯示器的發展，基於ppi的雷達目標檢測和跟蹤成為可能。與傳統的雷達目標檢測技術相比，其潛在的優勢在於大大增加了信號的時間積累，因此有可能提高檢測性能。 -
Applying the radar technology to estimate relative change of soil moisture in vegetated area
應用極化雷達估算農作物覆蓋地區土壤水分相對變化 -
The conventional sphere model of earth and circle model of orbit are discarded, and the ellipsoid model and the ellipse model are selected for further research, which achieves a method to determine the target position through the antenna pointing direction. and the spaceborne sar system design and simulation software is brought forth. this software accomplishes sar system coefficients design for antenna area, pulse repetition frequency, signal bandwidth, downlink data rate, radar transmitter power and satellite platform yaw steering
本文從星載雷達的星地幾何關系入手，舍棄傳統星載合成孔徑雷達研究中的球地球模型和圓軌道模型，研究了在地球橢球模型和橢圓軌道模型下由雷達天線確定目標坐標的方法，並在此基礎上研製了星載合成孔徑雷達系統設計與模擬軟體，完成雷達系統天線尺寸、脈沖重復頻率、信號帶寬、雷達信號數據率、雷達發射功率、衛星平臺的偏航牽引等幾個方面的系統參數設計以及雷達多普勒特性、雷達系統模糊、雷達定位及精度的分析，最後完成雷達回波信號的模擬。 -
Because the synthetic - aperture radar can ’ t be influenced by the weather and it can accomplish high graphics reconnaissance for the landform, establishment and immovable or slowly - speeding target in the area of mapping. so it has the important martial value. this had been testified in the series of brushfire in these years
由於合成孔徑雷達（ synthetic - apertureradar ）可以不受氣象影響，對測繪區的地形、設施、固定和低速運動目標完成高分辨的成像偵察，因此具有重要的軍事應用價值，這在近年來的多次局部戰爭中得到了充分的驗證。 -
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。 -
In recent years, ship detection and surveillance in synthetic aperture radar ( sar ) images has received considerable attentions in the area of marine remote sensing. this issue has been one of the most important marine applications of sar data
近年來，利用合成孔徑雷達（ sar ）圖像進行艦船檢測與監視的研究和技術開發在海洋遙感領域得到高度重視，成為sar數據最重要的海洋應用之一。 -
Artillery target - search and gun - pointing adjustment radar is a very important branch in modern radar technology. it has a very important application value in military area
炮位偵察校射雷達是現代雷達技術的一個重要分支，它在軍事領域中具有重大的應用價值。 -
The predictive function control is one of the most novel direction in this area, and it applies in the fast - processes initially, such as robot ' s arm control and radar tracking control, now it applies also in the slow - processes, such as fitful reaction temperature control, etc. the theory and application of the predictive control are studied in this paper
而預測函數控制是預測控制領域中最新的研究方向之一，近年來，預測函數控制的應用已從最初的快速過程，如工業機器人的手臂控制、雷達跟蹤控制等發展到慢速過程，如間歇反應過程的溫度跟蹤控制等，而且，在國內的應用也已呈逐步發展之趨勢。 -
It is also one of hotspots in the digital array radar ( dar ) area
數字陣列雷達（ dar ）也成為雷達發展的熱點。 -
A distant rain area can sometimes show up on the radar image as " second trip echo "
遙遠的雨區有時能在雷達圖上顯現成二次傳輸回波。 -
Radar ew, which is regarded as a kind of important combat methods, has been abstracted more attention. acquiring area advantage in information warfare on the base of study in radar ew is an urgent task in military research
雷達對抗，作為信息對抗一種重要的作戰手段，其地位和作用得到了越來越多的共識，研究和應用雷達對抗，獲得局部信息對抗優勢成為軍事研究的緊迫任務之一。 -
With higher frequency of radar using and widening of radar using area, caused by increasing construction of doppler weather radar network, it certainly will lead to explosive accumulation of radar data
我國多普勒天氣雷達網建設速度的不斷加快，雷達使用頻率的不斷提高和使用范圍的不斷擴大，勢必導致雷達基數據爆發性的淀積。 -
To support controller training on area control and radar control
支援管制員接受區域管制及雷達控制的訓練 -
Secondly, we bring statistic coding, prediction coding, transform coding and analysis & synthesis coding into radar area. according to the properties of radar data, we take 4 methods, which are huffman coding ; prediction error model and lzw coding ; fft, uniform quantization in each frequency bank and huffman coding ; wavelet transform, uniform quantization in each frequency bank and lzw coding, to compress the genuine ground clutter radar data and give the corresponding results
根據雷達回波的特性，分別採用了huffman編碼法，預測誤差模型和lzw編碼法， fft 、分頻帶均勻量化和huffman編碼的壓縮演算法，小波變換、子帶均勻量化和lzw編碼的壓縮演算法等四種演算法，並給出了用這些演算法對真實的地雜波雷達回波數據進行壓縮的實驗結果。 -
In this thesis, we mainly discuss the signal detecting of radar echo and the techniques to process them. we labored on pulse integration, correlation detectingand wavelet techniques and their applications in radar area. three types pulse integration are introduced i. e video integration, binary integration and frequency domain intrgration
論文主要詳細論訴了信號積累技術，相關檢測技術以及以小波變換這三種技術在雷達信號檢測和處理中的應用，在信號積累技術中，詳細討論了視頻累積，二進制累積技術的基本原理和實際應用。 -
Gyroklystron is a new microwave apparatus, because it integrates advantages of gyrotron and klystron, and has vast applications in radar area, it has been pay much respect in the world
迴旋速調管在眾多的微波器件中是新興的一類管種，它結合了迴旋管和速調管的優點，在雷達領域有著廣泛的應用前景，因此受到國內外學者的關注。
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