radar constant 中文意思是什麼

radar constant 解釋
雷達常數
  • radar : n 〈美國〉【無線電】 〈radio detecting and ranging 之略〉 雷達，無線電探測器 （＝〈英國〉 radiolo...
  • constant : adj 1 恆定不變的，固定的，穩定的，恆久的；繼續不斷的。2 不屈不撓的，堅韌的。3 忠實的，有節操的。n...
  1. Progress in every branch of radar was constant and unceasing during 1939.

    自從1939年以來，雷達的每個部分的技術一直在繼續不停地發展。
  2. Environmental conditions and test methods for aircraft radar. constant acceleration test

    機載雷達環境條件及試驗方法.恆加速度試驗
  3. It provides an active field for development of radar techniques. this dissertation is based on the project " cfar ( constant false alarm rate ) detection for airborne pd radar "

    本文是結合課題「機載脈沖多普勒雷達恆虛警檢測性能研究」進行的，主要考慮如何克服地雜波影響，提高系統的檢測性能。
  4. The mainly work of this project : 1 a mathematic model of the ground clutter for airborne pd radar is established and the clutter power spectrum is calculated by the method of integrating reflected energy between constant doppler loci in range - gate circle

    本課題的主要工作包括：一、對機載相控陣雷達的雜波功率譜進行數學建模，採用沿距離門等多普勒線區域積分的方法求解雜波功率譜。
  5. In this dissertation, the data process ( dp ) subsystem and radar control program ( rcp ) subsystem of gbr simulation system have been studied and discussed. the main work and innovation of this dissertation is as follows : ( 1 ) track filter, the basic element of track system, has been researched. we analyze the advantage and disadvantage of common target kinematic model such as constant velocity model, constant acceleration model, noval statistic model

    本文是基於某gbr模擬系統的合作項目中，本人負責的數據處理子系統和雷達控製程序子系統的研究和開發的結果，主要進行的工作和創新有: （ 1 ）基於跟蹤系統最基本的要素-跟蹤濾波，分析了當前常用的微分多項式模型， cv與ca （常速與常加速）模型，時間相關模型， noval統計模型，以及機動目標「當前」統計模型等目標運動模型的優缺點和雷達的觀測誤差。
  6. Then, the equivalent rcs of rain and fog are discussed, which of rain is discussed at different polarization state of radio wave, which of fog calculated using equivalent complex refraction constant is compared with that using complex refraction constant of water. after that, the effects on radar deriving from rain or fog are discussed qualitatively

    在前面的研究的基礎上，文中計算了不同極化狀態波作用時，雨的等效rcs ；用了等效介電特性計算了霧的等效rcs ，與用水的介電特性計算的等效rcs作了比較，在計算了雨、霧的等效rcs的基礎上定性討論了雨、霧對雷達的影響。
  7. The work presented in this paper is carrying out to the theory research of dbf. the work includes : research of dbf algorithms, dbf antenna system composition and realization. the application of dbf algorithms used in high frequency ground wave radar for near ocean inspection and ocean situation remote sensor is also presented. at last, we give a effective scheme to implement broad - band constant beamwidth digital beam - former

    本文的主要工作是圍繞數字波束形成技術的理論研究，內容包括：數字波束形成演算法的研究，數字波束形成天線的系統構成和實現，以及將數字波束形成演算法應用於高頻地波雷達近海監測和海態遙感，最後給出了一種寬帶恆定束寬數字波束形成器的設計方案。
  8. Both ratio of average ( roa ) and cross - correlation method use local statistics to judge road. they perform good detection while smoothing speckle. moreover, they both have constant false alarm rate ( cfar ) which is important in radar target detecting

    本文所採用的均值比例運算元和互相關運算元利用圖像局部的統計信息進行判決，在檢測道路基元的同時對圖像進行局部平滑以降低相干斑干擾;並且兩個運算元都具有恆虛警特性，門限值由給定的虛警概率確定。
  9. 4. both cia and time - frequency analysis ( tfa ) are applied to the detection of the radar target in strong noise environment. these methods possess better detection ability than conventional constant false alert ratio ( cfar ) method

    將復像分析應用於雷達目標的弱信號檢測，將常規的基於恆虛警檢測方法無法檢測到的目標利用復像分析方法檢測出來，在一定程度上提高了雷達的檢測能力。
  10. The purpose of this article is to introduce the realization of medium frequency receive for bpsk pulse compress radar. and it includes the realization of constant false alarm rate ( cfar ) process. the main content of this article includes : ( 1 ) the introduction of radar medium frequency receiver ; ( 2 ) the introduction of medium frequency receiver theory ; ( 3 ) the simulation for medium frequency receive of bpsk pulse compress radar ; ( 4 ) the hardware realization for medium frequency receive of bpsk pulse compress radar

    本文的主要工作包括： （ 1 ）介紹雷達數字接收機的概念； （ 2 ）介紹中頻數字接收理論； （ 3 ）介紹二相編碼脈壓雷達中頻接收的方案設計和模擬驗證； （ 4 ）通過硬體描述語言ahdl ，完成中頻數字接收和脈壓處理演算法在fpga上的實現； （ 5 ）完成雷達中頻數字接收機信號處理板原理設計，並同課題組成員一起完成硬體調試，並給出相應的測試結果。
  11. 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。
  12. With performance of high - speed analog to digital converter constant to rise, application of high - analog to digital converter circuit we deepened in digital signal processing, software radio and radar

    摘要隨著高速模數轉換器件性能的不斷提高，高速模數轉換電路在雷達數字信號處理、軟體無線電等領域的應用也更為深入。
  13. With performance of high - speed analog to digital converter constant to rise ; application of high - speed analog to digital converter circuit deepens in digital signal processing, software radio and radar

    隨著高速模數轉換器件性能的不斷提高，高速模數轉換電路在雷達數字信號處理、軟體無線電等領域的應用也更為深入。
  14. This paper focuses on the structure function and design principle of data controls. chapter 1 designing and realization of vxibus based test platform ; chapter 2 slider controls of data controls ; chapter 3 constant controls ; chapter 4 variable controls ; chapter 5 access array and array mapping ; chapter 6 collector and print ; chapter 7 some mathematics functions ; chapter 8 radar test program ; chapter 9 my some advices for test platform

    論文分為以下幾個部分：第一章介紹vxi總線測試軟體平臺中控制項的構成和實現，第二章介紹數據控制項中的滑塊控制項，第三章介紹常數控制項，第四章介紹變量控制項，第五章介紹訪問數組和數組映射控制項，第六章介紹收集器控制項和列印，第七章介紹部分數學函數，第八章介紹使用我們平臺編制的合肥38所雷達測試程序，第九章介紹提出我的改進意見。
  15. Finally, we model radar calibration software by means of unified modeling language ( uml ), analyze its domain, and obtain domain characteristics, coherent and constant for calibration software. according to the above analysis result, we design reused radar calibration software

    最後，運用統一建模語言uml對雷達標校軟體進行建模，並對標校軟體進行領域分析，得出標校軟體的領域特徵及標校軟體的一致性和不變性。
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