radar reflection 中文意思是什麼

radar reflection 解釋
雷達反射信號
  • radar : n 〈美國〉【無線電】 〈radio detecting and ranging 之略〉 雷達,無線電探測器 (=〈英國〉 radiolo...
  • reflection : n 1 【物,計】反射;反射波[光,熱,音,色]。2 反映;反影,映像,(映在水等中的)影像;〈比喻〉學...
  1. Super - resolution spatial spectrum estimation is applied in this dissertation to realize bearing resolution by utilizing the different bearings between targets and first - order sea echoes. the simulation of radar echoes in one resolution cell is presented based on the theoretically analyzing hf sea clutter sea clutter reflection characteristic and sea echo spectrum stretching mechanics

    本文從分析高頻海雜波反射特性以及平臺運動引起海浪展寬機理入手,建立便於理論研究的一階展寬的海雜波和二階海雜波模型;在分辨單元上對雷達回波信號進行了模擬。
  2. A i med at the badu ( k343 ) i arge seale i andslide in the nankun railway, geophysical exploration techniques such as seismic reflection of high resolution and geological radar are appi ied to detect the geologic characteristics of the landslide mass including 3d - conformation, perimeter, geometric parameters, si ippage pattern and distribution of displacement field in this dissertation. besides, acoustic method is used for detection of the former anti - slide piles and potency losing causations of the piles are analyzed and the sound geological conditions for upgrade of the piles are ascertained by the above investigations

    本文針對南昆鐵路八渡( k343 )大型滑坡,運用高解析度反射地震、地質雷達等地球物理探測技術對滑坡體地質進行了詳細的勘測,揭示了八渡滑坡體的空間形態、邊界與幾何參數、滑動方式以及位移場分佈特徵;同時,利用聲波探測對原抗滑樁進行了檢測,分析了失效原因,並查清了擬建抗滑樁地段的地質條件。
  3. The numerical simulation equations of the border curves in term of and as well as the matching rules and the frequency dependence of microwave electromagnetic parameters of a broad - band homogeneous absorbing coating with a finite value of reflection loss are available. these results pointed out the direction to develop rams ". according to the radar - absorbing model, the optimized design of rams with thin - layer, light - weight, broadband and strong - absorbing is available by the simple genetic algorithms, which can effectively conduct the research work of rams to the detail. small but completely, the electromagnetic parameter ' s databases of rams that based on actual microwave absorbers have been set up, the object function has been constructed which conform to the involved goals, the adaptive coding measure is taken which extends the coding length dynamically adapting to the condition of the number of actual absorbers or the precision of thickness and absorber - volume - percentage, the decoding technique is initiated which satisfies light - weight and strong - absorbing as well as thin - layer and broadband by adopting of tracing variable restricting conditions dynamically to control total thickness. when decoding, the variable restricting conditions of thickness are dynamically traced, so gain the radar absorbing coatings of light - weight multiple - layer single - ingredient. similary, of thickness and absorber - volume - percentage, of light - weight multiple - layer multiple - ingredient. also, the rams ' demand to radar - absorb performance as frequency is met making use of the penalty function

    作為遺傳演算法的具體實施:根據本實驗室近來研製的吸波材料,建立了吸波材料的相關數據庫;構造了能真實體現「薄、輕、寬、強」優化目標的目標函數;根據材料的實際數量以及塗層厚度精度要求、吸收劑體積分數精度要求,建立了能動態擴展相應碼長的自適應編碼方法;首創了通過動態跟蹤變量的約束條件來控制塗層總厚度的解碼技術,以此實現了在不弱化寬頻、高強的吸波性能目標的同時,兼顧到薄層、輕質的使用性能要求;在解碼時通過動態跟蹤厚度變量的約束條件,實現了多層單組分吸波塗層對重量輕的要求;通過動態跟蹤厚度變量的約束條件和吸收劑體積分數的約束條件,實現了多層多組分吸波塗層對重量輕的要求;使用權重系數變化法,實現了吸波塗層的分頻段吸波性能要求。
  4. Abstract : this paper describes the working principle of drillhole radar and recommends two working patterns : single - drillhole reflection and crosshole tomographic imaging. the technique was used to make lithologic evaluation of deep strata and detect geological anomalous bodies with obvious effects obtained

    文摘:闡述了鉆孔雷達的工作原理,介紹了單孔反射和跨孔層析成像2種工作方式,並將其用於深部巖層巖性評價和地質異常體探測,效果顯著。
  5. This dissertation bases on the research of battlefield armored reconnaissance tank system, which is a very important reconnaissance & information reception means for our country ? digital armored troops. the zzco2 radar armored reconnaissance tank system is the collector of radio information by use of the radiation and reflection of electromagnetic wave, at the same time it is a system which saves, processes and transmits the radar information picked up. the content of this dissertation involves the design and development of zzco2 ? software system

    本論文以我軍裝甲機械化部隊坦克師的戰場裝甲偵察系統的研製為背景撰寫。該系統是我國數字化裝甲部隊的重要偵察和信息獲取工具。其中zzc02型雷達偵察車(型)是該系統的前沿偵察車,是不可見電磁頻段的雷達信息的收集者,是以電磁波輻射、反射作為信息獲取的主要手段,以計算機主機為中心的信息採集、處理、存儲和傳輸系統。
  6. When phased array radar tracking low - angle target, the image of target caused by reflection from sea surface lead to multi - path effects

    相控陣雷達跟蹤海面上飛行的低空目標時,由於海面反射形成了鏡像,引起了多徑效應。
  7. 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。
  8. Ground penetrating radar or georadar, is a new no destroying detection instrument with rapidly developing in recent years. it is applied to engineering, environment, archaeology and other aspects. data processing ' s theories and methods are one of the key aspects in gpr researching, because these are useful to picking up parameters in reflection wave including amplitude, phase, frequency and so on

    數據處理(包括濾波、反褶積、偏移等)是gpr的研究重點之一,其目的是壓制隨機的不規則的干擾波,以最大可能的解析度在探地雷達剖面上顯示反射波,提取反射波的各種有用參數(振幅、相位、頻率等)來幫助解釋。
  9. According to the radar - absorbing model, the performance of rams of various absorber - volume - percentage with various frequency and the radar obsorbing performance of which in various thickness is predicted. according to the radar - absorbing model, the prerequisites of microwave electromagnetic parameters and the border curves for a single - layer homogeneous absorbing coating backed by a perfectly conducting plate to produce zero specular reflection are obtained by the steffensen speedup approach to solve the complex transcendental equation

    以吸波模型為依據,用計算機求解了單層均勻各向同性吸波材料的阻抗匹配條件,通過數值模擬得到了吸波材料阻抗匹配時電磁參數邊界曲線的數值模擬等式和阻抗不匹配時寬帶吸波材料電磁參數的合理搭配規則和頻散特性。
  10. The wall is easily detected from space by radar because its steep, smooth sides provide a prominent surface for reflection of the radar beam

    城墻很容易被雷達探測到,因為城墻的豎直光滑的平面提供了一個反射雷達波束的突出表面。
  11. According to the seismic convolution model, a kind of matched filters in time - scale domain is designed for echo signal detection of ground penetrating radar ( gpr ) and implemented in this paper, which is applied to detect the location and amplitude of single reflection wavelet in receiving signal through continuous wavelet transform

    摘要根據地震褶積模型,設計並實現了應用於探地雷達回波信號檢測的時間尺度域匹配濾波器,利用小波變換的時間定位性和尺度伸縮性,檢測出雷達接收信號中單個反射子波的位置與強弱信息,利用已知的雷達發射子波模型還原回波信號,達到了濾除噪聲、最佳接收的目的。
  12. Firstly, this paper analyzes the function and project requirement that should be achieved, and puts forward overall architecture of the virtual drone simulation system. secondly the object - oriented modeling method is researched in the paper, accordingly simulative physical models of virtual drone based on object - oriented technique and modularizing structure are established. the physical models include model of dynamics and kinematics, model of radar electromagnetic wave reflection, model of infrared radiation, model of detection system, model of weapon system and model of combat evaluation

    在深入分析系統建模方法的基礎上,對面向對象的建模方法進行了一定的探討,建立了基於面向對象技術的虛擬靶標模擬物理模型,該模型嚴格按照模塊化的結構設計,包括動力學運動學模型、雷達反射特性模型、紅外輻射特性模型、探測系統模型、武器系統模型、作戰評估模型六個子模型。
  13. The main works and results are as follows : 1. by use of one order multiple scattering theory, light scattering and reflection by a single coating layer is analyzed. the variance of radiation intensity, bidirectional reflection distribution function ( brdf ) and laser radar scattering cross section with coating layer parameters is given, with the effect of rough contrast on bidirectional reflection distribution function

    本文主要研究了單層和多層塗層結構介質的光散射特性,以及近場條件下復雜目標對激光波束的散射,其主要工作如下: 1 、採用一階多重散射近似理論分析單層塗層對光波的散射和反射,計算並討論了輻射強度、雙向反射分佈函數和單位面積激光雷達散射截面隨塗層結構參數的變化規律,數值分析了粗糙基底對雙向反射分佈函數的影響。
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