pulse radar 中文意思是什麼
pulse radar
解釋
脈沖雷達。-
By using the processing method of sliding time window, the problem of the periodicity range ambiguity is solved. meanwhile, the problem of range ambiguity which is produced because the range of target is biger than the maximum range of radar is also solved by using this method. then, the pulse width parameter which is the most important in the parameters of fmicw is analyzed. the stricter restrict is given to ensure the range spectrum has only one beat frequency after signal processing. at last this thesis introduces the different signal processing methods of fmpcw and fmicw
同時利用該方法解決了fmpcw信號的由於目標距離超過雷達的最大單值測距范圍而引起的距離模糊問題。然後對fmicw波形參數中最為重要的脈沖寬度進行了分析，給出了更為嚴格的約束條件，保證了信號處理后距離譜峰值的唯一性。最後，分別介紹了fmpcw和fmicw信號的不同處理方式，並對兩者不同的時域濾波性能進行了比較，並對二者的差異進行了分析。 -
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。 -
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。 -
Lobe design for aerial of a single pulse radar in the empty tube
一種空管單脈沖雷達天線的波瓣設計 -
Coherent pulse radar
相干脈沖雷達 -
Standard test method for determining the thickness of bound pavement layers using short - pulse radar
使用短脈沖雷達測定粘合路面層厚度的標準試驗方法 -
Transmission formula of interference from mobile base and conservative estimation from pulse radar are presented
對移動通信基站產生的干擾作了傳播分析、計算，對脈沖雷達干擾作了譜分析及保守計算。 -
Synthetic aperture radar ( sar ) is a kind of coherent pulse radar which appeared in 1950. it can improve space resolution by fully using the signals " coherence
合成孔徑雷達（ sar ： syntheticapertureradar ）是20世紀50年代發展起來的一種相干雷達。 -
7. in chapter 8, a new method for estimating the doppler and multipath time delay of the overlapping echoes for lfm pulse radar by only one period pulse signal is presented
7 .在第八章提出了一種對lfm脈沖雷達回波d叩pler頻移和多徑時延進行聯合估計的方法。 -
Based on mono - pulse radar system and the analysis of terrain echoes, a geometrical model of air to ground ranging is constituted. by using the signals received from the sum and difference channels of terrain follow radar, a group of the expressions for terrain echoes are educed and characteristics of these echoes are obtained. according to the characteristics of the echoes, the theory and method of pass zero detection of difference channel and its applications are discussed in detail
針對一維單脈沖雷達體制，分析了地形目標回波特性；建立了地形跟隨雷達空地測距的幾何關系；利用雷達收發信號，導出了地形跟隨雷達和差接收通道的回波信號表達式，進行了波形模擬，得到了地形跟隨雷達的地面散射產生回波在時域中的特性；根據和差回波特性，闡述了差信號過零點檢測測距的原理和方法及工程實踐中的應用，並給出了真實雷達對外輻射試驗的結果，驗證了文中的模擬。 -
The main research works of this dissertation are aimed to design of radar waveform and the application of wavelets in ultra - wide radar, including : the design of a new kind of hybrid radar and the research of time side - lobe suppression for pulse compression, the design of receiver r adio front end in data acquisition of ultra - wide band radar, the time delay estimation based on wavelets ( packet ) analysis
本文主要進行雷達波形設計研究以及研究小波理論在超寬帶雷達中的應用，集中體現在以下幾個方面：一類新的組合雷達波形設計及壓縮脈沖時間旁瓣抑制技術研究、超寬帶雷達多通道數據採集方法中前端射頻接收部分的設計及研製、基於小波（包）方法的時延估計方法。 -
Advantages, disadvantages and limits of arm are thoroughly examined using signal processing methods. based on the above, incoherent and coherent two - point - source decoy methods and modified coherent two - point - source decoy methods to deflect arm are brought forward. arm ’ s homing heads are generally of mono - pulse structure, so coherent two - point - source ’ s interference resembles that to mono - pulse radar except that interference to radar belongs to far field scope, but interference to arm varies from far field to near field because relative distance drastically changes between the homing head and the two - point - source with missile ’ s homing head continually approaching the target
Arm的導引頭一般為單脈沖體制，因此，相干兩點源對導引頭的干擾類同於對單脈沖雷達的干擾，不同的是:對雷達的干擾都是遠場，而導引頭隨著導彈不斷接近目標，兩點源與導引頭的相對位置發生劇烈變化，由遠場變化到近場;導引頭天線口面上的合成場也發生了大的變化，相位波前的畸變產生干擾，這就是相干兩點源誘偏的基本思想。 -
This paper analyses the effect in receiver of each technical criteria of mono - pulse radar, detailedly analyses the influence to angle measuring precision of each technical criteria of the receiver and results in technical criteria which is important to angle measuring precision. then, measuring and compensating methods on channel discrepancy
論文分析了單脈沖雷達接收機的各項技術指標在接收機中的作用，著重分析了接收機的各項技術指標對測角精度的影響，得出了對測角精度而言，較重要的接收機技術指標，論文還討論了通道不一致性的測量和補償的方法。 -
Secondly, two applications of gpml abc in modeling pulse radar are shown : one is detecting pipeline underground, and the other is its application to highway technology. thirdly, with back - projection algorithm, we have formed the image of tree - trunks. in summary, the application of fdtd in uwb fopen so far is impressive
然後，對適用於有耗媒質的gpml邊界條件的應用開展了深入研究，對脈沖雷達探測地下管道和測量高速公路瀝青層厚度進行了fdtd演算法模擬。 -
In chapter there in the paper, the author analyzed the tdoa extraction technologies can be used in the pulse radar target detection and location technology
其中對于基波信號時差提取技術的研究，在「地震救助生命搜索與定位技術研究」課題中有關定位技術的應用中取得較好效果。 -
The study in this paper based on the national fifteen tackling key problem - " life detection and orientation of earthquake emergency response system " and project of no. 10 research institute of china electronics technology group corporation - " pulse radar target detection and location technology ", has completed the study and simulation of the relative technology of tdoa, which was a theoretical and technological supporting to the two projects
本論文在國家十五重點科技攻關課題「地震救助生命搜索與定位技術研究」和中國電子科技集團第十研究所「脈沖輻射源監測和定位技術」國際合作項目中，完成了對其中時差定位相關技術的研究和模擬，為工程項目的實施提供理論和技術支持。 -
In this dissertation, the principle of fem in em was discussed, then the pulse radar and three - layered pavements were analyzed with 20 - noded and 4 - noded isoparametric elements respectively. then, corresponding fem programs are compiled in fortran90. so a forward model was built up to describe the transmitting of electromagnetic in the radar and pavements, according to the system identification method
針對上述情況，本文系統闡述了電磁場有限單元法的基本原理，然後採用二十節點、四節點等參單元分別對pulse雷達實體及三層路面系統進行了靜態場和時變場的有限元分析，初步建立了電磁波在三層路面中傳播的正演模型，同實測波形相比，模擬效果較好，並用fortran90語言編制了相應的三維、二維有限元程序，具有較好的可讀性和可移植性。 -
Angle measuring precision phase sum / difference mono - pulse radar receiver is not only related to accurate strike to target, but also the base of successful penetration of interceptor missile for tbm anti - guidance system using two point sources of correlation, which is one of radar angle fraud technologies. thus, research on technical criteria influencing angle measuring precision of receiver is meaningful
相位和差單脈沖雷達接收機的測角精度，不僅關繫到是否能精確地打擊目標，而且是tbm反制導系統利用相干兩點源雷達角欺騙技術，成功突防攔截導彈的基礎，所以對影響測角精度的接收機各項技術指標進行研究具有重要意義。 -
Millimeter - wave switch is a kind of the millimeter - wave control circuits, it is widely applied in receiving protection of pulse radar and radio modulator, and it ' s also one of the very important parts of radar and test system
毫米波開關是毫米波控制電路的一種，它廣泛應用於脈沖雷達接收保護和射頻調制器，是雷達利測試系統中的關鍵部件之一。 -
In our nation, we have worked on the researching of continue radar signal ' s phase noise mesurement equipment in the past. but the equipment for pulse radar signal is still in blank. the object of this dissertation is to study on the denotation of the radar pulse signal ' s phase noise and its measuring method
本文的目的是對射頻雷達脈沖信號的頻率穩定度的表徵和測試設備的研製進行研究，討論了雷達脈沖信號的測試方法，主要對譜估計法測量射頻雷達脈沖信號相位噪聲的系統方案進行理論的分析，並對實現過程中技術上的難點重點問題的解決進行論證。
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