principles of radar 中文意思是什麼
principles of radar
解釋
雷達原理- principles : 法則
- of : OF ＝Old French 古法語。
- radar : n 〈美國〉【無線電】 〈radio detecting and ranging 之略〉 雷達，無線電探測器 （＝〈英國〉 radiolo...
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The requests of " four counteraction " capability for radar networks are pointed, the principles of radar netting are presented, the evaluation indexes of eccm performance for radar networks are discussed
指出了「四抗」能力對雷達組網的要求，給出了雷達組網的原則，討論了雷達組網eccm性能評估的指標。 -
This instrument is independent of various principles of speed detection and can calibrate radar speed gun on - line
該裝置與具體測速原理無關，能夠實現對多種雷達測速儀的實時在線檢定。 -
Abstract : this paper introduces the principles of doppler radar signal processing method in the modulation. it provides the processing method for projectile tracer time, the burst time, rocket engine working time, projectile spin and flight attitude from signal of doppler radar
文摘:介紹了測速雷達調制域彈道信息處理方法的工作原理，詳細論述了從測速雷達信號中處理彈丸曳光時間、底排燃燒工作時間、火箭發動機工作時間、彈丸旋轉速度、飛行姿態角和擺動周期等彈道信息的方法。 -
A typical bistatic weather radar net work is comprised of one traditional transmitter - receiver radar and one or more passive non - transmitting radar receiver at remote site. this type of multiple radar network offers unique advantages when compared to traditional radar net work. this paper introduces the concepts and principles of bistatic weather radar network and analyses, simulates, calculates the basic concepts of effective scattering particle volume relative to the receiver of bistatic radar network, the doppler shifts of the received signals, gives the formula to conduct the three dimensions wind field
本文從原理上分析了雙基地天氣多普勒雷達的構建、基本幾何關系、有效散射體積及其與雙基地角的關系，有效散射體積和目標與雙基地天氣多普勒雷達主站發射機的距離的變化關系，指出雙基地天氣多普勒雷達有效體積和單基地雷達有效照射體積隨之距離的變化有相似之處，但是由於收發分置的幾何結構，雙基地天氣多普勒雷達的性質與雙基地大氣多普勒雷達的散射角有著密切的關系。 -
Presents the development of modern signal processing techniques, a new implementation method which realizes quadrature coherent detection by direct sampling of if signal generated during the implementation of traditional quadrature coherent detection with analog elements in the form of two parallel baseband channels where in phase ( i ) and quadrature ( q ) components of ceived if singnal where, the imperfect matching of the separate channels due to the analog elements results in high phase and amplitude which meets the needs for high performance radar signal processing, the elementary principles and the implementation process for each method and concludes from simulation results to compare their features and application conditions that the new approach can satisfy of the requirements of high performance sp
針對近年來提出的通過直接中頻采樣來實現正交相干檢波的方法，分析了其基本實現原理，並用統一的觀點解釋了迄今為止國內外基於此提出的各種實現方法；對每一實現方法的基本原理和實現過程都作了分析，並給出了計算機模擬結果；在此基礎上比較了各方法的性能指標及適應條件.理論分析和模擬結果證明，這一方法完全可以滿足高性能信號處理的要求 -
Considering practical needs and developing trend of vts, based on analyzing the signal characters of vts radar video, studying basic data compression principles in information theory, comparing international coding standards in the forefront of image processing, a vts radar video coding system suitable for transmission in the narrow channel is proposed in this thesis. its main block ? oder and decoder, is realized in the common pc with software. the working process is demonstrated detailed
結合vts系統的現實要求和發展方向，本文從vts雷達原始視頻圖像數據的特點出發，從信息論中關于數據壓縮的基本原理出發，從現代信號處理特別是圖像信息處理領域中的壓縮編碼國際標準出發，提出了雷達原始視頻編解碼系統方案，其主體部分? ?編解碼器是在pc機內利用壓縮軟體實現，闡述了系統工作流程；提出了基於jpeg壓縮演算法和h -
This document is intended to familiarize the reader with the use and misuse of radar by examining basic scientific and engineering principles in detail
這個文件被打算使熟悉有由詳細檢驗基本科學、工程的原則的雷達的使用和誤用的讀者。 -
Chapter 5 describes the principles and the calculating methods of the incident plane - wave source and the radar cross section ( rcs )
第五章說明的是平面波源的加入和雷達散射截面的計算，包括工作原理和實現方法。 -
This dissertation is based on the works of former researchers, and we are concerned with the principles, approaches, performance properties and the design rules of radar cfar detection and distributed radar cfar detection systems under complicated environments ( such as interference, clutter and varied environments with non - identically detect conditions ). the main contributions of this paper are summarized as follows : ( 1 ) the basic results on radar cfar detection are reviewed
本文的主要宗旨是在前人研究成果的基礎上，面向實際應用的需求，研究在各種接近實際工作條件的復雜環境（干擾、雜波，以及變化與非一致的的檢測條件）下，雷達cfar檢測與分散式cfar檢測的理論、方法、性能特點與設計思路。 -
Firstly, we introduce the radar equation of weather radar, the basic principles of detection weather targets, the time and frequency domain properties of weather radar echo and its simulation methods
首先簡要介紹了氣象雷達的雷達方程、氣象雷達探測氣象目標的基本原理、氣象目標回波的時域頻域特性和氣象回波信號的模擬方法。 -
Based on principles of radar, there brings up a general scheme of fault diagnosis system and detailed description to fault module division, fault location and setup of fault tree
在介紹雷達原理的基礎上，提出了故障診斷系統的總體方案，對故障塊的劃分，檢測點的確定，故障樹的建立等進行了詳細說明。 -
6. radar and satellite meteorology : principles of doppler weather radar ; interpretation of radar imagery ; principles of satellite remote sensing ; the global weather satellite observing system ; interpretation of satellite pictures
6 .雷達及衛星氣象學：多普勒天氣雷達原理雷達圖片解釋衛星遙感原理全球氣象衛星觀測系統衛星圖片解釋。 -
Spotlight synthetic aperture radar can efficiently obtain an image with very high azimuth resolution, since its antenna illuminate the fixed target on the ground. bistatic radar is not a new concept and its fundamental principles have been known and demonstrated many years before the development of operational monostatic radar
由於其天線波束始終照射同一目標場景，因此可獲得更大的方位多普勒帶寬和更高的方位分辨力，但實際上由於受數據處理條件、載體運動誤差等因素的影響，方位解析度的提高是有限的。 -
Based on radar resolution principles, the factors working on sar resolution are discussed. the waveforms are classified by ambiguity function, and the principle of waveform design is introduced
本文結合了雷達分辨理論分析了限制合成孔徑雷達解析度的因素，給出了雷達波形按模糊函數的分類與波形設計原則。 -
This dissertation introduces the work principles, hardware circuit structure and application of a pint - sized multifunctional radar echo generator, which can generate various waveforms needed. we can modulate the doppler frequency and adjust the time delay of the waveform to validate the performance the radar system
該設備體積小、操作簡便、便於攜帶，可模擬lfm 、 nlfm 、單頻、相位編碼等多種脈沖信號波形，具有較寬的多普勒調制和時間延遲調節功能，能有效驗證脈沖壓縮與信號處理單元的工作性能，準確評估雷達系統的分辨力、威力范圍等技戰術指標。 -
This paper comprehensively described the basic principles and charac teristics of bistatic ( multisstatic ) radar system via commercial television and fm radio signals, introduced the present situation of the research and developme nt ( r & d ) of new generation of this kind radar systems, presented our view on the r & d of this kind bistatic ( multistatic ) radar system
闡述了利用電視、調頻廣播載波信號的雙（多）基地雷達系統的基本原理與特點，介紹了新一代基於商用電視、調頻廣播載波的雙（多）基地雷達系統的研製現狀，並提出了對發展這種雙（多）基地雷達系統的看法。 -
After its development through the past years, radar constant false alarm rate ( cfar ) detection becomes a standard technique in modern radar design. now a series of principles, conceptions and approaches have been established for cfar detection, and they are widely used in varies type of radars
經過30餘年的發展，雷達恆虛警（ cfar ）檢測已逐漸成為現代雷達的一項標準技術，已形成了一整套相對完整的理論、概念和方法，並在各種用途、各種類型的雷達中獲得了廣泛應用。 -
Multiple source localization technique plays a very important role in sonar, radar, communication, marine resources exploitation, geologic exploration, national defense, biomedical engineering, etc. aiming at the applications in engineering, the principles of parameter estimation are discussed comprehensively in this dissertation. considering the characteristics of underwater detecting and tracking system, the key techniques of underwater multiple source localization are systematically studied by theoretical analysis, computer simulation and experiment in the water tank
論文從實際應用的角度出發，全面論述了多目標多參數估計理論和方法，並緊密結合水下目標探測與跟蹤系統的工作特點，從理論分析、計算機模擬和水池實驗三方面對水下多目標定位關鍵技術進行了系統、深入的研究。 -
It demonstrates the knowledge and application of geo - detective radar, as well as mainly elaborates on the principles of inspection of tunnel lining depth ( including depth of concrete as lining ; internal defects and the degree of compaction lining backward etc. ) ; combining the case practice in the inspection of depth and defects of many tunnels, it demonstrates the outstanding effect of geo - detective radar when it is applied to the inspection of tunnel lining depth
本文通過對探地雷達的認識和應用，重點論述了鐵路隧道襯砌厚度的檢測（包括襯砌混凝土的厚度、內部缺陷等等）的原理，通過對多座隧道襯砌厚度及缺陷的實際檢測，論證了探地雷達在鐵路隧道施工質量檢測方面的應用是可行的和有效的，其作用是顯著的。 -
According to performance parameters test requirements of phased array radar ' s t / r modules, we make a deep study of microwave measurement principles and network measurement principles, analyze the operation principles of the microwave vector network analyzer, have a good knowledge of several functional configurations of hp8510c vector network analyzer, and successfully use a vector network analyzer to accomplish the measurement of microwave pulse high power signals
根據相控陣雷達t r組件性能參數的測試要求，深入研究了解微波測量及網路測量原理，分析了微波矢量網路分析儀的工作原理，掌握了hp8510c矢量網路分析儀多種功能配的方法，成功地應用微波網路分析儀實現對微波脈沖大功率信號的測量。
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