radar following 中文意思是什麼
radar following
解釋
雷達跟蹤-
Based on the model of safe following distance, the design blue print of system is presented in the text. using the multiple impulses horae rotate speed sensor to measure the vehicle speed and nanometer radar to measure the distance of own vehicle to frontal vehicle, and analyzing and judging collected information by at89c51 which is the control centre of the system
本文在安全跟車模型的基礎上，提出了系統方案：採用霍爾多脈沖轉速傳感器測量汽車的速度，毫米波雷達測量兩車的距離和相對速度，利用at89c51作為信息採集單元的控制中心，對各種信息進行分析判斷，當行車距離小於報警距離時啟動相關的報警單元。 -
Wake vortex separation standards are used to prevent hazardous wake vortex encounters which mainly found in the final approach course within the airport termination zone. firstly, this paper analysis the mechanism of the vortex decay and research the influence on the safety of the flight ; then. several different radar wake vortex separation standards are compared and some basic guidelines are developed to establish the future vortex standards. in addition, one kind of advance vortex classification for the civil airplane is proposed. secondly, an encounter hazard model which established for the following aircraft and a simple vortex decay model which mostly concern with the proceeding one are developed ; and a safe separation model can be derived from the both. finally, through the simulation calculation, the correctness of the vortex classification of different types of aircrafts are tested and proved
本課題對雷達管制條件下的最小尾流間隔標準進行了較為詳細的分析和研究；首先對尾流的形成和消散機理以及尾流對飛行安全的影響做出了詳細的分析，然後就目前實行的幾種不同的最小尾流間隔標準進行了比較和分析，提出了相關的幾條準則和一種改進的機型尾流分類標準；在這之後，採用理論分析和統計數據分析相結合的方法，建立了尾流危險遭遇基本模型和尾渦消散模型；並在此基礎上對民用航空不同機型的尾流分類的合理性進行了計算和評估，為最小尾流間隔標準的確定和改進提供了初步的理論依據。 -
Base on above six advantages, then piezoelectric power supply can replace liner and switch power supply in all industry and military fields, especially in the following fields : telecommunication, industry control, electric power control, measurements, electric motors, medical treatment equipments, aircraft industry, aerospace industry, civil and military transportation vehicles, marine vehicles, radar, anti - interference recognition system, etc
電源及開關電源所能達到的最好指標，因此可以廣泛地應用於工業與軍用的幾乎所有領域。尤其在以下領域有強勁的競爭力：通訊電力控制與測量機電醫療設備航空航天坦克車輛船舶艦艇雷 -
This thesis includes the following research contents. first part is about the development of database information system of radar stealth measures about modern advanced aircraft
本文分兩部分，即飛機雷達隱身措施數據庫信息系統的開發和飛機紅外輻射特性計算研究以及紅外導引頭探測概率估算。 -
Moisture, the voids and the density of the pavement are expected for many operators in the road department. in order to promote the application of gpr to detect pavement quality as quickly as possible, in this paper some research works were zone. the mainly research results includes the following aspects : ( 1 ) since the dielectric constants of pavement medium have important influence on radar detection results, dielectric properties of pavement layers materials are analyzed for the design of practical gpr system and field application
目前探地雷達在公路上的應用還主要局限於路面結構層厚度的檢測，對路基路面物理力學指標的無損檢測被廣大公路工作者寄予厚望，這一技術的應用還有很多的工作要做，為了使其早日應用於實際，實現探地雷達對路面含水量、空隙率和壓實度的快速無損檢測，本文具體做了以下的一些工作： （ 1 ）鑒于介電常數對探地雷達檢測的重要影響，對路面結構材料的介電特性進行深入分析，為路用探地雷達的實際應用測量提供理論依據。 -
Detailed diagnoses is made on a heavy - hard rain in the northeast qinghai - xizang plateau using ncep data of 1 x 1 with 6h intervals, more complete and integrated conventional observational data and the data set of automatic meteorological stations in plateau and new generation doppler radar data and satellite images and etc. the following conclusions can be drawn : 1. the distribution of heavy - hard rain, which is characteristics of valley topography in northeast qinghai - xizang plateau is obviously effected by topography. the distribution of yearly mean precipitation and the frequencies of heavy - hard rain in this area are descending from east to west
本文首先利用ncep時間間隔為6小時的1 1的格點資料、更全面、更為完整的常規探測資料和高原地區布設的自動氣象站資料、新一代多卜勒天氣雷達資料、衛星雲圖資料等對高原東北部地區大到暴雨的天氣、氣候特徵及大尺度環流背景進行分析，形成對高原暴雨的整體認識，並為以後的數值模擬提供大尺度環流背景及依據，分析中發現： 1 、高原東北部地區大到暴雨的分佈明顯受到地形影響，年降水量和大到暴雨次數自東向西呈階梯性遞減趨勢，分別在高原東北部的外流河谷地區和四川北部地區存在大值中心。 -
In this dissertation, i develop the research work of the following three aspects about describing and modeling multisource information : 1. this dissertation reviews the development of data fusion, and gives the conception of multisource information fusion based on an example of fusion system - radar information processing system. subsequently, four pivotal problems are presented in military fusion system ; finally, the importance of unified describing and modeling multisource information is proved
本文主要研究工作如下: 1 .在扼要回顧多源信息融合技術的發展歷程的基礎上，結合雷達信息處理系統實例，深入討論了多源信息融合的概念;在認真分析的基礎上，歸納出數據融合技術在軍事應用上目前所存在的幾個主要問題;論證了多源信息統一表示和系統建模在融合技術發展中的重要性。 -
This is a further step following the launch of radar pictures with rainfall information on the observatory s website in august 2003, and aims to promote public awareness towards disaster preparedness
這是繼去年八月發放了帶有雨量資訊的雷達圖像后，天文臺提供的另一種網上資訊，以提高市民的防災意識。 -
The aim of the task is to detect moving target in the varied clutter environment, which contains the following contents : ( 1 ) radar theories relational to the task, including clutter character, their magnitude and spectral distributions. in this part, moving target detection method is introduced, several methods on clutter suppression is presented
本課題的主要目的是進行雜波環境下的動目標檢測，由以下部分組成： （ 1 ）與本課題相關的雷達理論知識，包括雜波特性，它們的幅度分佈和頻譜分佈、處理方法，動目標檢測的原理以及雜波抑制的常用方法。 -
The following figures show the + / - 120 - degree coverage of the radar scan relative to your nose. the radar beam sweeps back and forth from your 8 o ' clock to your 4 o ' clock position
下圖標明了雷達在機頭+ / - 120度掃描的覆蓋范圍。雷達波束在8點和4點之間來回掃描。 -
From the experimental results, we studied the relationship between the diameter of fiber, the composition of s s and the impacts upon the electromagnetic parameter of fibers. get following conclusions : both the complex permeability and the complex permittivity of ss fibers decreased with the increase of diameter in some region, the complex permittivity of 304 ss fibers, 2 m in diameter, could be up to 2. 5 at the 2 ghz, the 302 ss fibers had better frequency dispersion properties than others, agreed with the requirements of the wide - band radar absorbing material in the range of 2ghz ~ 12ghz
西安建築科技大學碩士學位論文討論了影響不銀矜岡纖維電磁參數的幾個因素，實驗結果出發研究了纖維直徑、成分對纖維電磁參數的影響，得到以下結論:不鉀練岡纖維的微波磁導率隨纖維直徑的減小而增大; 2微米的304不銹鋼纖維的復數磁導率p 』 『在zgi ]吃處達到2 . 5 ; 302不韌矜岡纖維電磁勝能明顯優于其它兩種，且頻譜特性在2 ~ 1zghz范圍內符合對吸收劑頻譜特性的要求。 -
As 22 january 1999 was a fine day, the signal returns captured by the terminal doppler weather radar tdwr were too weak and the westerlies were too shallow for any windshear event to be detected using tdwr data. a windshear alert had been issued following receipt of aircraft report
由於一九九九年一月二十二日天氣晴朗，機場多普勒天氣雷達（ tdwr ）收集到的回波訊號相當微弱，而且西風也太淺薄，以致未能根據tdwr數據探測到風切變現象。 -
As 22 january 1999 was a fine day, the signal returns captured by the terminal doppler weather radar ( tdwr ) were too weak and the westerlies were too shallow for any windshear event to be detected using tdwr data. a windshear alert had been issued following receipt of aircraft report
由於一九九九年一月二十二日天氣晴朗，機場多普勒天氣雷達（ tdwr ）收集到的回波訊號相當微弱，而且西風也太淺薄，以致未能根據tdwr數據探測到風切變現象。 -
After that, we analyze the internal resources and capability of the hs - sysway company by radar chart and value chain etc. then we analyze the advantage and disadvantage of the holding chances and cutting threaten, using the vrio frame. the results are following - the main advantages for hs - sysway are : its support for capital and tobacco market, ierp ( developed independently ) and differentiation, erp ' s marketing capability, technique development capability, local costs and services etc. ; the main disadvantages are : the strategy orientation is unclear and carried out weakly, low level management, persons with high ability are short of or missing, weak maturity and difference of products, short of core technology and capability etc. on that basis, we analyze the stakeholders and specify the task of the company ; we use the swot analysis and large tactic matrix etc. and bring forward the basic strategy of the development that is the aggressive strategy
其後，運用雷達圖分析、價值鏈分析等方法對企業內部的資源與能力進行了分析，然後利用vrio框架，對企業能夠用以抓住機會、削減威脅的優勢及弱點進行了分析，得出宏聲新思維公司的主要優勢是宏聲集團的資金及煙草市場支持、自主開發的ierp及其差異化、 erp營銷能力、技術開發能力和本地化的成本及服務等，主要弱點是戰略定位不清晰且貫徹不力、管理水平低、高素質人才匱乏且有流失、產品成熟度和差異性不高、缺乏核心技術與能力等。 -
Based on the special property of chaotic signals, we presented the chaotic radar signals. additional, we introduce the chaotic sequence to the digital watermark technique. to sum up, the contribution of this dissertation are as following : the main progress and some statistical results of chaotic signals are summed up, the similarity and distinguish between chaos and noise are discussed and shown out
總結本文的主要貢獻主要有以下幾點:聖首先對混沌理論的研究現狀和基本數學結論進行了總結和分析，特別是對混沌信號進行了深入地分析，研究了其相關特性（譜特性） 、最大ly即unov指數，對這兩個方面進行了大量的理論推導和數值模擬。 -
Actually, the initial use of emd algorithm is not in radar field, which is derived and utilized initially on the ocean or earthquake wave analysis. firstly, the emd algorithm adapted for the radar signal is examined in the dissertation. secondly, resolution improving in sar and multi - targets with non - uniform speed imaging in isar is studied by using emd algorithm the main work of the dissertation is as following : a ) by analyzed the emd decomposing results before and after matching filtering, the right position of emd decomposition in the imaging process is determined
由於emd演算法一開始並不是在雷達領域發展的，文獻中已有的演算法主要是針對海波、地震波等，所以本文首先分析了適用於雷達信號的emd演算法，並從sar和isar回波信號的特點出發，以emd演算法分解后的雷達信號為基礎，針對目前sar成像中的高分辨問題、 isar中非勻速和多目標成像清晰度不高等問題，研究了emd演算法在sar與isar成像處理中的應用，並採用大量模擬試驗對研究成果進行了驗證。 -
The radar digitalized receiver is based on digital down conversion ( ddc ) technology, which is implemented on fpga. the radar controller is based on the following technologies : fpga, tigersharc dsp and can bus. the implementation of ddc includes two parts, the demodulation and decimation of i and q channels
雷達數字化接收機部分是基於數字下變頻（ ddc ）技術在fpga上實現的演算法研究及工程實現;雷達控制器部分是基於tigersharc 、 fpga 、 can總線的多項控制技術的方法研究及實現。 -
Ultra - wideband - synthetic - aperture - radar ( uwb sar ) has been proven to be a significant contribution in the battlefield reconnaissance because of it ' s ability to penetrate the foliage and ground to detect the concealed targets. the purpose of this thesis is to present system designing framework for high resolution uwb sar, which is detailed as following : 1
本文以超寬帶合成孔徑雷達（ uwbsar ）系統總體設計與實現技術為核心，重點研究了uwbsar總體設計、超寬帶雷達（ uwbr ）系統誤差補償、 uwbsar成像技術以及uwbsar運動補償四個方面的內容。 -
The thesis mainly discussed the following aspects : the scheme of the component of vts simulating system ; the technologic realization of system ; the realization of the radar simulator and ship handling simulator
本文重點研究的內容有如下幾個方面： vts模擬系統的系統構成方案；系統的技術實現；船臺方面的雷達模擬顯示和船舶操縱性模擬的研究。 -
Teams on the ground and in the air looked for fossett following clues from radar data and satellite images
在地上和空中的搜查隊通過雷達數據和衛星圖象來尋找福塞特。
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