雷達爾 的英文怎麼說
中文拼音 [léidáěr]
雷達爾
英文
reidar-
One of darwin 's friends, alfred wallace, was also a naturalist.
達爾文的一個朋友阿爾弗雷德華萊士也是一位博物學家。Jiaxing renle electric appliance co. ltd is established in 2002 and is the high - technology company integrated the design, development, production, sales with the service after sales. it specially manufactures the products such as the bellows, bellows connector, cableconnector, plastic covered metal hose and drag chain, which is mainly applied in the indus - tries such as the automlbile wire bundle sheathing, ma - chine tool machinery, electrical locomotive, automotive in - struments and meters, motor and engineering installation. the company has passed the certiflcation of international. iso9001 、 2000 quality mangement system. managing the company strictly and improving the product quality makes our company develops rapidly and the product quality keeps the leading position in domestio market
嘉興市雷諾爾電氣有限公司成立於2002年，是集設計、開發、生產、銷售和售後服務於一體的高科技企業，專業生產波紋管，波紋管接頭，電纜接頭，包塑金屬軟管，拖鏈等產品，廣泛應用於汽車線束護套，機床機械，電力機車，自動化儀器儀表，電機馬達，工程安裝等行業的應用，公司已通過國際iso9001 、 2000質量管理體系的認證，嚴格公司管理，提升產品質量，使我公司得以高速發展，產品質量國內領先。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。It seemed that some personage of great importance was to visit m. de treville.
彷彿將有達官顯貴要來拜訪特雷維爾先生似的。He and cooper first planned a film with the darwinian title of creation, set in a lost world stocked with a brontosaurus, a triceraptos and a pterodactyl
索薩克和古伯首先計畫了一部以達爾文主義為標題的創世紀，設定在一個充滿雷龍、三角龍和翼指龍的失落世界。Backed up by the soplat theory based on particle kinematics, the second chapter of this paper presents with analysis and simulation of several single observer passive measurement models, which uses such relative movement parameters as bearings changing rates and centrifugal acceleration information on the basis of bearings measurements. in the third chapter, the observability of location respectively using bearings and its changing rates information and centrifugal acceleration information is analyzed, and its observable condition is got. the fourth chapter puts forward the modified covariance extended kalman filtering ( mvekf ) against the defect of traditional extended kalman filtering ( ekf ), whose performance is simultaneously compared in the chapter with the performance of ususal tracking algorithm such as ekf, mgekf, iekf by computer simulation
在近年來提出的基於質點運動學原理的單站無源定位理論基礎上，本文第二章提出了幾種在角度測量的基礎上增加角度變化率及相對運動的離心加速度等運動學參數的單站無源測量模型，並對它們進行了分析和模擬；第三章分別對利用角度及其變化率信息定位和利用離心加速度信息定位的可觀測性進行分析並得到了相應的可觀測條件；第四章針對傳統擴展卡爾曼（ ekf ）方法的缺點，提出了一種修正協方差的擴展卡爾曼濾波（ mvefk ）方法，並將其和ekf 、 mgekf 、 iekf等常用的單站無源定位濾波方法進行了性能模擬比較；第五章通過引入雷達機動目標跟蹤方法和模型，提出了利用角度及其變化率對機動輻射源跟蹤的多級噪聲自適應方法和imm方法；第六章主要對角度變化率和離心加速度參數的獲取技術進行了研究，提出了幾種高精度測量脈沖序列多普勒頻率變化率的方法。2 rayleigy and weibull distribution ground clutter for airborne phased array radar ( apar ) general pulse signal was simulate with method of zero memory nonlinear transform
二、利用零記憶非線性變換法實現機載相控陣雷達常規脈沖情況下的瑞利分佈、韋伯爾分佈的地面雜波模擬。Espn - the dollar amounts have changed, but the rhetoric is still the same from the latrell sprewell camp a year after the shooting guard turned down a three - year, $ 21 million contract extension offer from the minnesota timberwolves
盡管已經貶值，但是有關斯普雷維爾在明尼蘇達森林狼的最後一年作為球隊的得分后衛拒絕了球隊為其提供的3年2100萬美元的合同的流言現在依然很多。In a last - minute bid to save the cpmf, lula announced that all the 40 billion reais ( $ 22 billion ) the new tax would raise would be spent on health care
為了使臨時金融流通稅得到通過，盧達在最後時刻宣布，新稅案所收入的400億雷亞爾（ 220億美元）將會用在全民健康保障方面。The target movement information which aa gunshot fire control needs can he provided by using kalman filter to process the dada offered by on hoard fire control radar and other sensors
摘要使用卡爾曼濾波器對機載火控雷達及其它傳感器提供的數據進行處理，可以得到空對空射擊火力控制需要的目標運動信息。Carsor target bearing
雷達卡素爾目標方位But after conducting a radar survey of craters constantly in shadow at the lunar poles, bruce campbell of the smithsonian institutionin washington dc and his colleagues said they did not uncover any evidence of thick ice deposits
美國華盛頓特區史密森學會的布魯斯?坎貝爾和他的同事對月球兩極地區陰影凹地進行的經常性雷達掃描結果表明，並沒有任何大量冰層沉積的跡象。A pilot system of high frequency radar has been built in hit
哈爾濱工業大學已建立了高頻雷達的試驗系統。Thirdly, the theory of single radar multi - target tracking ( kalman filter algorithm, dynamic target model, track ' s origination and expiration, the form of tracking - door and association algorithm ) is dicussed, which is turned the basis of multi - radar centralized - system ' s tracking algorithm
對單雷達的多目標跟蹤理論（卡爾曼濾波、機動目標模型、航跡起始與終結、跟蹤門的形成和互聯演算法）進行了系統的研究，以此作為點跡處理之後集中式多雷達系統跟蹤技術的基礎。An on - line minimum - variance estimator was developed for thrust acceleration applied to orbit transfer using discrete - time radar measurements. the mass - flow - rate of propellant was selected as a state variant, which was estimated by employing an integral state model and ekf filter. the variation equations for measurement vector to mass - flow - rate have been established to linearize the discrete - time measurement equations. the algorithm has applied successfully to maneuver process in commanding satellite into geo - stationary orbit. the results show that the algorithm developed here can monitor and determine whether engine works well or failure precisely and quickly during orbit transfer process
飛行器軌道機動過程中，為跟蹤、定位機動目標和干預機動控制過程，需要統計處理離散的雷達觀測量實時估計推進發動機的推力，進而確定飛行器的瞬時軌道參數.本文所述演算法是該工程問題的探討和解決方案.文章建立了軌道機動過程中連續變質量運動模型和離散雷達量測模型，推進發動機的質量秒耗量作為表徵推力加速度的一個近似常量，應用擴展卡爾曼濾波對離散的雷達測量數據進行順序統計處理給出秒耗量的最小方差估計;文章詳細地推導了線性化量測模型的變分方程和觀測矩陣;模擬結果表明該演算法能快速、準確地估計推進發動機的質量秒耗量和向機動目標施加的實際推力This paper studies and discusses comprehensively the applications of data processing techniques in track while scan radar. it begins with studies of filter theory and multitarget tracking theory, and continues to make deep discussion of such topics in the multitarget tracking environment as target movement models, adaptive - filtering and prediction, dynamic data association algorithms, and measured data. for radar using purpose, the data algorithms for nnf and the adaptive a - p filtering and prediction based on " cv " model are studied emphatically
論文對邊掃描邊跟蹤雷達中數據處理技術的應用作了全面的研究與討論，深入研究了符合實際的濾波理論與多目標跟蹤理論；對目標運動模型、自適應卡爾曼濾波與預測技術、各類數據關聯演算法、量測數據的處理等多目標跟蹤所涉及的主要內容進行了討論；根據實際雷達跟蹤要求，對nnf數據關聯演算法和基於「 cv 」運動模型的自適應濾波與預測演算法等作了重點研究。Riegl laser measurement systems has more than 25 years experience in the research, development and production of laser radar measurement devices and systems
格爾激光測量系統，有25年以上工作經驗的研究，研製和生產激光雷達測量裝置和系統Then, we use a simulation method to create a large number of radar measurement values, produce a quantity of random numbers using computer software and add them to the radar measurement values, we use kallman filtering method to calculate the location, velocity and trajectory coefficient of the target at the moment of the final tracking point, and use the numerical solving method of differential equation to calculate the trajectory, the location of the hostile artillery or the impact point of its own projectiles, finally, we calculate statistically the random error of the tracking system and analyze the location accuracy
然後採用模擬模擬方法獲得大量的雷達測量值，由計算機軟體產生大量的隨機數，加入雷達測量值中，用卡爾曼濾波法計算出最後跟蹤點時刻的目標位置、速度和彈道系數，再用微分方程數值解法計算出整個彈道軌跡、計算出敵方炮位的位置或己方炮彈的落點，最後統計出跟蹤系統的隨機誤差，分析定位精度。Prosecutors in the belgian capital, overwhelmed by the number of speeding fines imposed since fixed radar traps were installed, have asked police to let off all but the worst offenders - - angering local mayors
自從比利時首都布魯塞爾設置固定式雷達測速器后，檢察官被堆積如山的超速罰單壓得喘不過氣來，因此要求警方除對犯行最重的駕駛開罰外，不要對其他超速駕駛開單這讓區長們大為光火。In this dissertation, several technology problems of pulse trains deintrleaving algorithms are dealt with, they are presorting techniques based on coherent processor, probabilistic neural network deinterleavers, adaptive data association methods for pulse trains analysis and deinterleaving, signal processor designing issues. the research is focused on real time processing. the coherent processor is a crucial technique for real time presorting
本論文研究高密度復雜信號下的脈沖列去交錯技術的若干問題，包括基於關聯比較器的信號預分選技術研究；概率神經網路脈沖去交錯器的研究與設計；卡爾曼濾波和概率數據關聯方法用於脈沖列分析和去交錯；雷達截獲系統信號處理器設計等等。分享友人