雷達測高器 的英文怎麼說
中文拼音 [léidácègāoqì]
雷達測高器
英文
radar height finder- 雷 : 1. (雲層放電時發出的響聲) thunder 2. (軍事上用的爆炸武器) mine 3. (姓氏) a surname
- 達 : Ⅰ動詞1 (暢通) extend 2 (達到) reach; attain; amount to 3 (通曉; 明白) understand thoroughly...
- 測 : 動詞1. (測量) survey; fathom; measure 2. (測度; 推測) conjecture; infer
- 高 : Ⅰ形容詞1 (從下向上距離大; 離地面遠) tall; high 2 (在一般標準或平均程度之上; 等級在上的) above...
- 器 : 名詞1. (器具) implement; utensil; ware 2. (器官) organ 3. (度量; 才能) capacity; talent 4. (姓氏) a surname
- 雷達 : [訊] radar (縮自 radio detection and ranging)
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Mixers are the key components of many microwave and millimeter - wave systems. the super - heterodyne receiver is always applied in modern communication system, mixer becomes the key component as is at the first part of system. but it is more and more difficult to get the choiceness lo source of the same band with the system is working at high frequency especially in the millimeter - wave. sub - harmonic mixer is a good solution to this problem now. in this circuit we need just half 、 quarter 、 even 1 / 8 of the rf signal frequency. in this paper the design and fabricate of sub - harmonic hmic mixers ( 2, 4 ) at w - band are introduced
混頻器是微波通信、射電天文學、雷達、等離子物理、遙控、遙感、電子對抗,以及許多微波測量系統中至關重要的部件。在現代通信系統中,毫米波頻段通常採用超外差接收機,混頻器作為第一級就成為關鍵部件。由於在毫米波頻段,同頻段高性能的本振源成本高,技術難度大,採用分諧波混頻技術是解決此問題的有效途徑,只需射頻頻率1 / 2 、 1 / 4甚至1 / 8的本振頻率即可實現混頻。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。With modern weapon and modern wingmanship being developed, the higher performance of the radar, such as action range, resolution, measure precision and so on, are required
隨著現代武器和現代飛行技術的發展,對雷達的作用距離、分辨力和測量精度等性能指標提出了越來越高的要求。The related theory and critical technology of ladar, the imaging mode and ranging methods of imaging ladar have been discussed in detail in this dissertation. then a research project of high - speed 3d - imaging ladar using a laser diode has been proposed, and the primary and critical problems of the theory and technology of the project have been discussed. a ladar prototype has been manufactured successfully, with which lots of systematic experiments have been carried out
論文系統研究了激光雷達的相關理論和關鍵技術,詳細討論了成像激光雷達的測距體制和成像方式,在此基礎上提出了一種採用半導體激光器的高速三維成像激光雷達研究方案,全面分析了該方案的主要理論問題和關鍵技術問題,並成功研製出了實驗室樣機,利用樣機進行了大量的系統實驗。During an upper - air sounding operation, the hydrogen - filled balloon carried a radiosonde and a radar reflector
在進行高空探測時,氫氣球上掛上一個無線電探空儀及一個雷達反射器。High precision ad chip is used for intermediate frequency data sampling and fpga of virtex - series is used for the implementation of intermediate - frequency orthogonal system, which includes the sequencing control design for mult - channel radar system with verilog, the application of ip core of digital filter and fifo, as well as the communication control module with dsp. as the master control part, the software programming for the communication between dsp and fpga is designed. the experimental result with hardware circuit shows the design is valid and practical
採用高精度的adc晶元完成中頻采樣,通過virtex -系列fpga設計中頻正交系統,主要包括通過verilog語言實現多路雷達中頻接收的時序控制,通過濾波器ip核實現濾波器的設計,以及利用c語言實現dsp的通訊控製程序設計。並給出了fpga在資源和速度上一些優化的方法,調試過程中影響中頻正交接收性能測試的因素。During an upper air sounding operation, a balloon filled with hydrogen carrying a radiosonde and a radar reflector was released. the ascent rate of the balloon was roughly 360 metres per minute
在進行高空探測時,氫氣球上掛上一個無線電探空儀及一個雷達反射器,以每分鐘360米左右的速度上升。At the same time, if there are two kinds of sensors, like the radars and the infrared sensors, in a network system, the data from the different types of sensors can complement with each other, prove the ability of anti - disturbance, anti - strike, anti - detect of the system, and expand the scope of the system applied greatly
因而,紅外無源探測器已成為一個重要的探測手段。同時,系統中如果包含雷達和紅外兩種異類探測器,它們獲取的數據互為補充,互相印證,將會極大的提高系統的抗干擾、抗打擊、反偵察的能力,大大擴展其適用范圍。Lms ( laser measurement system ) is calibrated by the vision system in this research, with an objection to fuse the data received by the lms and those from the ccd cameras, which is the base for the later slam work
激光測距雷達的精度較高,方向性好,在移動機器人研究中得到了廣泛應用。本課題提出了一種基於雙目攝像機立體視覺系統對激光傳感器進行標定的演算法。The some fire control system is an advanced multi - senor short range air defense system, which integrated both x and ka bands searching and tracking radars, laser range finder, combined the control computer of subsystem with the master computer, and applied the technology of data fusion
摘要某火控系統集兩個頻率波段的搜索雷達、跟蹤雷達和電視跟蹤器、激光測距機於一體,分系統控制處理計算機與系統主計算機相結合,採用了數據融合技術,是一部多傳感器集成的現代化防空系統,具有搜索性能好、反應時間快、抗干擾能力強、自動化程度高、使用性能好等特點。It makes full use of the terrain shelter and the characteristic of the earth ' s curvatures to improve viability of aircrafts
它充分利用地形遮蔽和地球曲率對敵方雷達等探測系統影響的特點,減小飛行器遭到打擊的機會,提高突防飛行器的生存概率。The chief purpose of this paper is to design a new multi - sensor fusion algorithm which can be used by hfgwsr under the clutter environment, which should meet the requirement of real - time processing
本論文的主要目的是設計一種可以滿足強雜波背景下觀測精度較低的高頻地波雷達應用的多傳感器融合演算法,並保證演算法滿足實時性要求。Furthermore, it discusses how to improve the reliability and consistency of the system and how to design the constraint files of place and route. at the present, we have tested this responder system roundly. this system is reliable steady and highly accurate and meet our expectant aim
目前,本論文介紹的單脈沖二次監視雷達應答信號處理器已經完成全方面的測試,系統具有較高的可靠性、穩定性和系統精度,滿足設計要求,達到了預期的目的,可以應用於單脈沖二次雷達接收機上。Firstly, this paper summarizes modern weaponry stealth technology at home and abroad, and lays special emphasis on analyzing stealth problem of cruise missile ’ s guidance head cover, aerocraft radar canopy and other privileged sites. secondly it makes a research on related theories of transparent metallic mesh that applied to missile ’ s guidance head cover and aerocraft radar canopy, and deduces relational expression between transparent metallic mesh structural parameters and radar wave - shielding efficiency, infrared transmitting. we use laser direct writing technique to fabricate a metallic mesh ( dimension : 70mm 70mm ; line width : 5 m ; period : 350 m ) on glass surface, then do experiment to test radar wave - shielding of metallic mesh via radar transmitting and receiving device
本文首先綜述了國內外現代武器系統隱身技術方法;重點對巡航導彈導引頭罩和飛機雷達艙罩等特殊部位的隱身問題進行了研究,研究了金屬網柵用於導彈頭罩和飛機雷達艙罩隱身的相關理論,推導了金屬網柵結構參數對雷達波屏蔽效率和透紅外關系式;用激光直寫工藝,在玻璃表面上製作了一塊面積為70mm 70mm ,線寬為5 m ,線周期為350 m的金屬網柵;在實驗室里用雷達發射和接收裝置測試了網柵對雷達波的屏蔽實驗;認為利用金屬網柵技術對雷達波具有一定的屏蔽作用,而且不影響精確制導的紅外線高效透過。Dsp56f805 samples the ultrasonic pulse coming back from the target, then measures the distance and shows it on led. tms320vc5509a is accomplished the detecting speed and the main control of the radar system, is 16 fixed dsp with high performance and low power produced by ti company. dsp5509a samples the wave coming from t / r module, then measures the target ’ s speed and send this information to the assistant control chip - p89v51 based on boost c51 core mcs produced by philips company, which controls the lcd
測距雷達系統的控制和信號處理的核心晶元是motorola公司的dsp型16位單片機56f805 ,由它對超聲波回波脈沖進行ad采樣后,計算目標距離並在七段數碼管上顯示。測速雷達系統中信號處理的核心晶元是ti公司的超低功耗、高性能的16位定點dsp ? ? tms320vc5509a ,由它對收發組件輸出的多普勒回波進行采樣,計算出目標運動速度后,送給輔助控制晶元? ?飛利浦公司生產的基於c51內核的增強型單片機p89v51 ,並且在液晶顯示器上顯示速度信息。At the same time, the radar tracked the movement of the radar reflector and determined the range, azimuth and elevation of the reflector at intervals of one minute, allowing computation of winds at different altitudes
同一時間,雷達不停追蹤著雷達反射器,每隔一分鐘測定其距離、方位及仰角,以計算不同高度的風向和風速。With the quick development of electronic technology, high - stability crystal oscillator is being used more and more widely. especially, temperature - compensated crystal oscillator ( tcxo ) is commonly used in electronic equipments such as communication, navigation, radar, measure instruments etc.
隨著電子技術的飛速發展,頻率高度穩定的晶體振蕩器得到了廣泛的應用,特別是溫度補償晶體振蕩器( tcxo )更是廣泛應用於通信、導航、雷達、測量儀表等電子設備中。Based on fuzzy logic, an effective algorithm of edge connection is proposed. simulation result shows our approach can highly improve the connectivity of the extracted image boundaries without distortion. this work lays foundations of target detection, tracking, and recognition for photoelectric tracker and imaging radar
通過理論分析及模擬結果證明,本文提出的梯度參數自學習統計的方法和基於模糊判決的邊緣連接方法能夠有效地提取邊緣點進行邊緣連接,能夠在保持原有圖像不失真的情況下,較大地提高圖像邊界的連通性,為光電跟蹤器和成像雷達的目標檢測、跟蹤和識別等提供良好的基礎。With phased array radar observing target ' s improvement of different performances of the aircraft, the deterioration of the working environment of radar and improvement of the radar demand request more and higher for putting forward the equipment of phased array radar video signal processing. the digital signal processing is all the time the developing direction of radar signal processing, its main shortcoming is that the increase processing precision, and the amount of information at the same time bring on the amount processing redouble, method to solve this problem is the real - time high speed digital signal processing system. presently multi - processors parallel processing is the focus of the field of high - speed real - time processing. this paper ' s background is the high - speed real - time signal processing of phased array radar. a parallel computing system designed with 4 adsp - 21060 analog device inc ' s dsp is presented. lt has fully utilized the dsp ' s characteristic to be supported the parallel computing, and formed a mes h architecture. this paper design and discusses this system in terms of design for test ( dft ) and real time operation system ( rtos ), and have put forward the new solution for the design and development of the high - speed real - time signal processing system. then, analysed the subject matter faced at the same time
本文以高速實時相控陣雷達視頻信號處理為背景,提出了一種由4片ad公司adsp - 21060構成的并行計算系統。它充分利用了adsp - 21060支持多處理器并行計算的特點構成了一種網格結構,並且從可測性設計、實時操作系統角度對該系統進行了設計與討論,為高速實時信號處理系統的設計與開發提出了新的解決方案,同時分析了面臨的主要問題。本文首先分析了相控陣雷達信號處理單元的特點,然後針對適合於片間并行的adsp - 21060討論了并行計算結構,提出了一種採用四片adsp - 21060構成網格結構的信號處理平臺,分析了它的工作原理。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。分享友人