達雷簡 的英文怎麼說
中文拼音 [dáléijiǎn]
達雷簡
英文
vijay govindarajan-
In this dissertation, a study is performed about rules and methods of evaluation on effects of radar eccm. firstly, the representative methods of radar eccm are briefly introduced
論文的主要工作如下: （ 1 ）在簡要闡述雷達抗干擾原理的基礎上，對目前的典型抗干擾技術進行了討論和分析。To the principle of single - station high - frequency ground wave detection radar, simple pulse wave was chosen, but this wave has many limitations, so continuous signal wave was preferred
從雷達信號波形選擇來看，對于單站高頻地波超視距雷達體制，最初採用簡單脈沖波形。但這種波形存在著許多缺點，最終採用連續波信號體制。In the first and second chapter ， spaceborne three - dimensional imaging altimeter is introduced briefly
文中第一、二章簡要介紹了星載三維成象雷達高度計系統。To improve this ability, a higher cross - range resolution is needed. an inverse synthetic aperture radar ( isar ) achieves high resolution in the cross - range dimension by taking advantage of the motion between radar and targets to synthesize the effect of a larger antenna aperture
逆合成孔徑雷達（ inversesyntheticapertureradar ，簡稱isar ）信號處理對接收到的運動目標的回波信號進行相干處理，等價成一個大口徑天線，很大程度上提高了方位向距離分辨力。First, the thesis gives a survey on the atr techniques and makes a brief introduction to the fundamental of atr
首先簡述了雷達目標識別產生與發展的概況；簡要介紹了目標識別的一些基礎知識。In this paper, author briefly introduces some comprehension of his own researches in radar data processing which involves mono - radar trace processing, multi - radar data fusing, short term conflicting alert and minimum safety altitude warning
本文簡要介紹了本人對雷達數據處理研究的一些理解，對單雷達跟蹤，多雷達融合、短期沖突告警和低高告警的一些原理進行了闡述。The multiscale mixed distribution models ( mmdm ) and the multiscale autoregressive ( mar ) models are investigated in this thesis, and they are applied to the unsupervised segmentation of the synthetic aperture radar ( sar ) image by joining them together - the multiscale mixed distribution models as the feature extractor and the multiscale autoregressive models as the classifier
本文對多尺度混合分佈模型（ multiscalemixturedistributionmodels簡記mmdm ） ，其中主要是對多尺度混合gauss分佈模型（ multiscalemixturegaussianmodels簡記mmgm ）和多尺度混合rayleigh分佈模型（ multiscalemixturerayleighmodels簡記mmrm ）進行了研究，及對多尺度自回歸（ multiscaleautoregressive簡記mar ）模型進行了研究，並將mmdm作為圖像分割的分類器， mar模型作為圖像分割的特徵提取器對合成孔徑雷達（ syntheticapertureradar簡記sar ）圖像無監督分割進行了研究。This paper puts forward a method of fast, handy, no - destructive and effective testing which can be used to test the strength and geometrical dimension of subgrade abamurus using the method of earthquake wave velocity and gpr ( ground penetrating radar ). this method can be used to definite the dimension and strength of abamurus by determining some physical parameters ( such as elastic wave velocity and electromagnetic wave velocity etc, ) and by the correlation of these physical parameters with mortar flag stones
本論文提出使用地震波速法和地質雷達法檢測路基擋墻的強度和幾何尺寸，是一種快速、簡便、無損、有效的檢測方法。此方法通過測定某些適當的物理量（如：彈性波速度、電磁波速度等） ，並通過這些物理量與漿砌片石的相關性，確定墻體的尺寸、強度等性能。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。Subsurface radar, also known as ground - penetrating radar is increasingly being used for the detection and location of buried objects such as mines and structures that are found within the upper regions of the earth ’ s surface
探地雷達越來越多地被用來探測地表淺層的埋藏物或地下結構。文中對探地雷達的歷史做了簡單回顧，重點是適用於不同領域的探地雷達天線設計方面。The adaptive management problems of phased array radar resources are studied systematically. the main attributions are as follows : 1. firstly, the development of aewr ( airborne early warning radar ) and the operation modes of phased array radar are briefly introduced. the basic idea of the adaptive management of radar resources is expatiated according to its characteristic
本文對相控陣雷達資源自適應調度問題進行了比較系統、深入的研究，主要工作如下： 1 、簡要介紹了當前國內外機載預警相控陣雷達的發展現狀以及它的基本工作方式，並結合相控陣雷達的特點闡述了其資源自適應調度的基本思路。Ais works on the marine vhf, use the sotdma ( self organized time division multiple access ) data chain protocol to transfer data of ships. the ais can help the limits of the current services, and decrease the collide case of ships, and improve the value of the safe action in marine, and make the content of the radar and the vts more stronger
船舶自動識別系統（ automaticidentificationsystem ，簡稱ais ）工作在海上vhf頻段，運用sotdma方式發射船舶數據，具有補充現有船舶導航存在的缺陷，減少船舶碰撞事故；提高搜救船舶海上救助的速度；增強雷達、船舶交通管理系統vts的功能。In this paper, firstly, radar pulse compression is introduced briefly, summarize three primary pulse compression signals : lfm, nlfm, pcm
本文首先對雷達脈沖壓縮的原理作了簡要的介紹，進一步詳細分析了應用最廣泛的線性調頻信號，並簡要介紹了非線性調頻信號和相位編碼信號。Chapter two states the basic principle of sar, and explains some important points of spotlight sar
第二章簡要介紹了合成孔徑雷達的成像原理，對聚束sar中重要的概念進行了分析說明。At the same time, they process a great deal of data with high rate. these characteristics make them suitable to realize in fpga. pulse compression technology has request of multi - channel and real - time processing when it is applied in software radar
脈沖壓縮技術在軟體雷達中應用時，對信號處理有多通道實時處理的要求，由於其演算法簡單，非常適合於在fpga中實現。This dissertation mainly studies the pulse compression waveform designing and signal processing, including the following aspects : firstly, by the pulse compression basic theory, the linear frequency modulation signal ( lfm ), binary phase - coded signal ( bc ) and stepped - frequency ( sf ) signal are discussed respectively including the ambiguity function, pulse compression and spectrum characteristic
本文主要進行脈沖壓縮雷達波形設計以及信號處理方面的研究，主要體現在以下幾個方面:首先，從脈沖壓縮基本理論出發，分別給出了線性調頻、二相編碼和頻率步進信號的模糊函數、脈沖壓縮以及頻譜特性，對多普勒性能進行了簡要分析。This paper ' s study is focused on the principle of bistatic sar on the basis of giving a brief introduction of sar principle, including azimuth resolution, mapping width, focusing deepness, pulse repetition frequency limitation and radar equation etc. then the paper studies the special form of bistatic sar with stationary transmitter
在簡要介紹了合成孔徑雷達的成像原理后，本文著重從原理方面對雙站sar進行了分析，討論雙站sar的方位向解析度，測繪帶寬，聚焦深度，脈沖重復頻率限制，雷達方程等問題，然後對發射機固定的雙站sar這種特殊的雙站sar模式進行分析。In this paper, the relative acknowledge of radar signal simulation system is introduced briefly, at first. then, a general platform is given which is referred to the software radio principle and made up with dsp and fpga
本文簡要介紹了雷達信號模擬系統的有關知識，並在軟體無線電思想的指導下設計了以dsp和fpga為核心的通用雷達視頻模擬平臺方案。2 the fmcw millimeter - wave radar system is introduced. the basic parts of the system and its work principle, as well as the index of it, are discussed in detail. the sae - 100 millimeter - wave anticollision radar system and the anticollision radar used in the industry are also introduced curtly
2簡單介紹了fmcw毫米波雷達系統，包括它的測速、測距原理，基本組成與結構和其主要的性能指標，並簡單介紹了已研製的sae - 100型毫米波防撞雷達系統和工業用fmcw毫米波避碰雷達系統及防撞雷達的應用。分享友人