radar zone 中文意思是什麼
radar zone
解釋
雷達區域-
There are not only beam - slanting but also large blind zone near the zenith in the two - axes radar used in the present
現有的艦載兩軸雷達由於受到船搖的影響，不僅波束傾斜，而且天頂附近有很大的跟蹤盲區。 -
So it is necessary to study the driving structure and control scheme of new system radar in order to track continuously in whole hemisphere without blind zone
因此，研究新體制的三軸雷達的驅動結構及控制方案以實現大於半球的全空域無縫隙連續跟蹤就變得十分必要。 -
Radar echoes include echoes of lands, islands, all kinds of moving targets, racon, sart and sea, etc. arpa marks consist of fixed range marker, variable range marker, electronic bearing line, guard zone, heading - line, parallel index ( 4 navigation lines ), vector lines ( or pad ) and past track information of tracked target ships, marks of trial manoeuvres, ect
雷達回波包括陸地、島嶼回波，各種活動目標的回波，雷康、 sart回波，海雜波等。 arpa符號包括包括固定距標圈、活動距標圈、電子方位線、警戒圈、船首線、 pi線、已錄取目標的矢量線以及歷史航跡（或pad ） 、試操船符號等。 -
At last this paper points out that precision of test can be improved by enhancing reflection level of quiet - zone, and researches the relation of reflection level, precision of test and main lobe of testing radar
最後指出可以通過提高靜區靜度指標要求到達提高試驗精度的目的，並研究了靜區指標與被試品主瓣寬度、角模擬精度之間的關系。 -
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。 -
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。 -
To optimize the deployment of the current air defense radar system in war zone and improve the stability and efficiency of it during the wartime, a kind of applied research method of the " radar netted system " presented and its system architecture, composition of radar station group and information circuit etc. in detail, are discussed
摘要針對優化現役戰區防空雷達系統的部署結構，提高其戰時穩定性、提升其整體作戰效能的問題，提出了一種「雷達組網系統」實用研發對策，並對其具體的系統體系結構、雷達群站系統構成、信息鏈路等問題進行了探討和研究。 -
It is proved by computer simulation that the slant 3 - axes radar can be used in target tracking in the whole air space without blind zone and beam slant. it is pointed out that the slant 3 - axes radar can reduce the maximum angle for elevation axis compared with 3 - axes perpendicular radar, then reduce the technique demand of angular velocity and acceleration of elevation axis
通過模擬驗證了傾斜三軸雷達系統在工程上可以做到波束無傾斜和全空域跟蹤無盲區的結論，並指出此系統與正交三軸系統相比，可以減少俯仰軸的最大轉動角，從而降低系統對俯仰軸的角速度和角加速度的技術要求。
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