視距測量計 的英文怎麼說
中文拼音 [shìjùcèliángjì]
視距測量計
英文
transmissometer- 視 : Ⅰ動詞1. (看) look at 2. (看待) regard; look upon 3. (考察) inspect; watch Ⅱ名詞(姓氏) a surname
- 距 : Ⅰ名詞1 (距離) distance 2 (雄雞、雉等的腿的後面突出像腳趾的部分) spur (of a cock etc )Ⅱ動詞...
- 測 : 動詞1. (測量) survey; fathom; measure 2. (測度; 推測) conjecture; infer
- 量 : 量動1. (度量) measure 2. (估量) estimate; size up
- 計 : Ⅰ動詞1 (計算) count; compute; calculate; number 2 (設想; 打算) plan; plot Ⅱ名詞1 (測量或計算...
- 視距 : apparent distance
- 測量 : measure; survey; gauge; meter; measurement; measuring; surveying; mensuration; metering; gauging;...
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This paper is based on the projective geometry of computer vision and mainly made the research on the image - based distance measurement problems. the main research achievements are shown as the following : 1
本論文從計算機視覺中的射影幾何理論出發,圍繞基於圖像的距離測量問題展開研究,主要的研究內容和成果如下: 1It can construct a reference path with lowest danger for the uav ( unmanned aerial vehicle ) by accounting for some aircraft performance characteristics, the mission goals, the threat information and the terrain information. this paper puts emphasis on the study of path planning algorithms and the analysis of uav missions. the main contributions are summarized as follows : ( 1 ) the threat environment, mainly as the radar threat, is studied and the detection probability of the aircraft is analyzed
本論文主要根據無人機的作戰任務方式進行了航路規劃研究,包括攻擊航路和偵察監視任務航路,具體內容包括以下幾個方面: ( 1 )本論文分析了威脅空間的威脅計算問題,對飛行器探測概率進行定量化的研究,根據恆虛警處理技術對雷達探測概率計算方法進行了總結,說明了計算單部雷達探測概率問題的方法,在此基礎上對雷達網的探測概率計算進行了討論,提出了相對于距離的探測概率求解方法和思路,用於攻擊航路規劃中的威脅計算。With white background, the acquired images were studied. the distance was max between two - peak value in b gray level histogram. a set of computer vision hardware system which is use for bruise evaluation and classification of tomato was set up
通過大量的實驗研究,選擇環形燈作為光源,選擇白色作為背景組成光照箱,可以得到有利於后續處理的圖像;並發現在b分量上,兩峰間的距離最大,所以用b分量確定闡值t ;建立一套適合番茄等農產品進行表面缺陷自動檢測與分類的計算機視覺硬體系統。Right now, axcen photonics corp can offer the optical transceivers including gbic, sfp single - mode and multiple - mode optical transceivers for optical data communication, telecommunication, cable tv systems. furthermore, the optical transceivers for long - distance 1000base - lhx and 1000base - zx applications are offered as well. in order to meet the needs of clients, the transmission speed of the optical transceivers ranges from 155mpbs oc - 3, 2. 488gbps oc - 48, fiber channel, gigabit ethernet, fast ethernet, 4x fiber channel, sfp copper
創威光電整合了光機電等專業人才,從半導體雷射的封裝製程,特性量測到整體光收發器的設計與製造皆已完成開發及量產的階段,目前可提供應用於數據通信,電信通訊,有線電視系統及光纖數據迴路等用途的多款光收發器,其產品包括:單模與多模gbic , sfp光收發器及長距離應用於1000base - lhx , 1000base - zx等光收器,就傳輸速率而言,目前創威光電可提供從155mbps oc - 3 , 2 . 488gbps oc - 48 , fiber channel , gigabit ethernet , fast ethernet , 4 x fiber channel , sfp copper等不同速率產品,以迎合顧客需求,另外,本公司亦可配合客戶要求,提供客制化產品設計及製造。2. in the simulation environment which is deliberately designed for the othr ' s multipath propagation phenomenon, strict and detailed reasoning and demonstrations of the coordinate registration are given. and then a simulation justifies the correctness of the registration
針對超視距雷達多徑傳播現象設計的一種模擬環境,對其中量測模型的坐標變換給出了嚴格而詳細的證明,然後根據證明的公式設計了具體的模擬示例,並對該坐標變換公式組進行了誤差統計。In cellular envirorunents, because of the influence of several adverse factors, such as muitipath, non - line - of sight propagation, noise, interference and channel frequency characteristics, radio statistics measuremenis like tdoa, toa and aoa related to mobile position, the performance of location algorithms mny be significantly degraded and the position estimation of ms is inevitably biased
在蜂窩網路環境中,由於受多徑、非視距傳播、噪聲、干擾和通道頻率特性等多種不利因素的綜合影響,使tdoa 、 toa 、 aoa等與移動臺位置有關的電波特徵測量值不可避免地出現較大誤差,從而使各種定位演算法的性能顯著下降,造成移動臺位置估計出現較大偏差。At first, by using the feature that the excess delays of nlos propagation follow the exponential distribution, the los propagation parameters are reconstructed and the toa parameters measured from all bs are preprocessed. then, the ms ' s position is estimated by the los locating algorithm with the preprocessed data. finally, to mitigate the effect of the errors in reconstructed parameters, the estimated results are smoothed
首先,利用非視距傳播時延服從指數分佈的特點,對不同基站一次測量的數據進行預處理,重構視距傳輸參量;然後,對處理后的數據採用視距定位演算法估計移動臺位置;最後,對估計結果進行平滑后處理,以減小重構出的參量誤差的影響,進一步提高定位精度。分享友人