飛機分類 的英文怎麼說
中文拼音 [fēijīfēnlèi]
飛機分類
英文
aircraft categories- 飛 : Ⅰ動詞1 (鳥、蟲等在空中活動) fly; flit 2 (利用動力機械在空中行動) fly 3 (在空中飄浮遊動) fly...
- 機 : machineengine
- 分 : 分Ⅰ名詞1. (成分) component 2. (職責和權利的限度) what is within one's duty or rights Ⅱ同 「份」Ⅲ動詞[書面語] (料想) judge
- 類 : Ⅰ名1 (許多相似或相同的事物的綜合; 種類) class; category; kind; type 2 (姓氏) a surname Ⅱ動詞...
- 飛機 : airplane; plane; aeroplane; kite; bird; aircraft
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The thesis roots in the item supported by " fifteen " aviation funds, - new type aeronautic linear dc motor ( ldcm ), study its classes characteristics and work principle, mainly researches the drive and control technique of aeronautic linear dc step motor ( ldcsm ) using in emergency discharging oil valve on airplane
本文源於「十五」航空支撐基金項目-新型航空用直線直流電動機。論文研究了直線直流電動機的分類、特點及其工作原理,重點針對飛機應急放油閥用航空直線直流步進電動機驅動控制技術進行了研究。Three - dimensional high - density space / time soundings serve as the main body of data consisting of 3 - hr interval doppler probings, 10 - 30 min rainfall intensity, surface raindrop sizes sampling and gps - guided flight cloud physics detections with output taken at 2 - sec and 200 - m intervals. and specific systems associated therewith are developed for multiple - way communication and data collection and storage, a platform for analysis, retrieval softwares for dominant items and multi - scale cloud models - all constitute a system of techniques for meso to microscale observations and analysis. 2 ) atmospheric water resource and macroscopic rainfall properties in dry periods of spring and autumn of the target region
以加密觀測的多普勒雷達、 3小時探空、 10 30分鐘雨強、地面雨滴譜等間隔取樣及在gps引導下的飛機雲物理探測等獲取的三維高時空密度的綜合探測為主體;配合專項設計開發的多路通訊採集存貯系統、多類信息的分析處理平臺、主要觀測項目的分析反演軟體,結合多尺度雲系模式,綜合構成層狀雲系中微尺度探測和分析處理技術方法。This a380 aircraft has a twin aisle twin deck passenger cabin and can carry between 500 to 800 passengers depending on the configuration and the amenities to be provided on the aircraft. the hkia is already well prepared for the handling of this large size aircraft during the design stage
A380飛機的客艙有雙行通道,並分上下兩層。因應個別航空公司的設計和提供的設施,此類型飛機可運載五百至八百名乘客。香港國際機場早在設計階段已計劃了所需設施,處理此類型的飛機。When solving the tna problem based on fleet dispatching commands, a stage - assignment algorithm is build to overcome the defect of fifo algorithm, which can be widely applied to cope with fixed job scheduling problem. 3
在解決基於飛機調度指令要求的飛機排班問題時,本文提出的分階段指派演算法較好地克服了標號演算法的缺陷,該演算法能普遍地應用於處理類似的固定工件排序問題。Focusing on the flight control computer system of some type of airplane, this paper first analyzes the advantage and disadvantage of the structures of many kinds of fault tolerant flight control computer systems and their ability in tolerating fault, followed by summarizing the key design technology. the dual similar redundancy fault tolerant computer system is brought forward as the design scheme for the required flight control computer. also brought forward is the particular system design
本文以某型號飛機飛控計算機系統為研究對象,首先分析了各種類型容錯飛控計算機體系結構的優缺點及容錯能力,總結了容錯計算機系統設計的關鍵技術,然後提出了二模相似余度容錯飛控計算機系統設計方案,詳細設計了以motorola公司生產的先進powerpc740微處理器為核心處理器、以高性能的國際標準化通用vme總線為內總線的交叉通道通信容錯計算機系統。According to the characteristics of the load on the canopy, the method for measuring the load on the canopy with a pressure sensor is presented, and then the flight measurement of the load spectrum of the canopy is realized for the first time
根據實測活動艙蓋載荷曲線特點,提出了任務類型劃分方法,建立了活動艙蓋載荷譜數據統計方法和載荷譜編制方法,並依此編制出k8飛機活動艙蓋載荷譜。With argumentation system and differential system, gnss is capable of supporting en route flight and cat iii precision approach. this system can meet the need of all flight phases in terms of integrity, precision and continuity. with the application of area navigation and required navigation performance ( rnp ), this would make the parallel route, random route and direct flight route possible, and also improves the efficiency of air space and the flight safety
在導航系統中,全球衛星導航系統是其主要成分,通過增強系統和差分技術, gnss具有支持從航路飛行到類精密進近的能力,在完好性、精度、可用性、連續性上都可以滿足飛行各階段的要求;隨著區域導航和所需導航性能的實施,平行航路、隨機航路和起點和終點之間的大圓航線直飛得以實現,提高了空域利用率和飛行安全。A large planar microphone array, which consists of 111 microphones, was successfully applied to obtain a two - dimensional mapping of the sound sources on a landing aircraft. the focus of study in this paper is on the landing gear noise source. the spectra, directivities and sound pressure levels of flap side - edge noise of 7 narrow - board commercial aircraft and 7 wide - board commercial aircraft are presented. it is found that the landing gear noise spectrum is broadband with some single tones in some cases. the directivity of the total sound pressure level of a landing gear noise resembles that of a horizontal dipole. the level differences between the various aircraft landing gears are larger than those expected from the airspeed differences. it is thus expected that the louder noise emission of the landing gears can be reduced by redesigning
應用由111個傳聲器組成的平面傳聲器陣列對當前流行的民用客機進場著陸過程中的機體噪聲源進行了實驗測量,本文對七架窄體客機和七架寬體客機的起落架噪聲進行了分析,得到了起落架噪聲的頻譜特性、指向特性和聲級變化.研究發現,起落架噪聲的頻譜是由寬頻隨機噪聲與一些較為明顯的單音噪聲源組成,起落架噪聲的指向性類似於一個水平放置的偶極子.不同飛機起落架噪聲的聲級相差較大,這說明可以通過重新結構設計降低起落架噪聲。According to the fault type of the flight control surfaces, they are classified and modeled
文中對飛機操縱面可能出現的故障進行分類,建立數學模型。Firstly, the study about flight icing is reviewed at the beginning. the condition of icing accretion, the style of icing accretion, the parameters of icing accretion in flight, and the influence of icing accretion on the aerodynamic characteristics of an airplane are analyzed
首先,回顧了國內外在飛機結冰方面的研究情況,對飛機在飛行中的結冰條件、結冰類型、結冰參數以及結冰對氣動特性的影響進行了分析討論。In order to analyze the influence of airplane noise on indoor sound environment in the vicinity of beijing international airport, different of buildings, such as villages, schools, offices, commercial building are choose as monitoring objects, the characteristic of sound insulation for building around beijing international airport are monitored and analyzed
摘要為較好的分析飛機噪聲對機場周圍居民室內聲環境的影響,研究選擇不同類型的民居房、學校(多層建築) 、基層機關辦公用房、商品房等為測試對象,對北京國際機場周邊地區建築物隔聲特性(插入損失)進行監測與分析,結果表明:現有民居、學校、機關辦公室的隔聲特性較差,商品房的隔聲效果較好。The rise in identity theft, coupled with the current climate of fear about terrorism, has led organizations ranging from database builder oracle to the american association of motor vehicle administrators to propose the development of tamperproof ids that would positively verify everyone ' s identity for purposes as diverse as opening a bank account or getting on an airplane
身分遭竊的事件層出不窮,再加上近來彌漫著恐怖主義的可怕氣氛,讓各類型的組織(從資料庫設計公司甲骨文到美國汽車管理協會) ,紛紛倡議發展防竄改身分的證件,以便在各式各樣的用途上都能有效為每個人驗明正身,像是銀行開戶或是搭乘飛機。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。Secondly, this paper mainly put forward different grey level threshold value segmentations of plane target after brief analyse the smooth and sharp image of image strengthen technology, segmentation for the overall situation, adopt the maximum variance method, the maximum entropy combine with adaptive threshold selection method, the maximum variance ration between two classes and in two classes ; segmentation for the part situation, has adopted the adaptive threshold value method ; to background more complicated segmentation, have adopted the two - dimentional maximum entropy method
其次,在簡要的分析了圖像平滑和銳化的圖像增強技術后,重點研究了飛機目標的灰度分割,提出不同的灰度閾值分割方法進行圖像分割,對于全局分割,採用了最大類間分割法、最大熵與一致性準則相結合法、最大類間類內方差比法;對于局部分割,採用了自適應閾值法;對于背景較復雜的分割,採用了二維最大熵法。Through the collection, observation and taxonomic evaluation of the algae water samples in different water bodies from zhaoyang district, zhaotong city ( including yudong reservoir, xinmin, xiaobaipo, haibian and the airport ), the cyanophyta : 8 species, 6 genera ; euglenophyta : 13 species, 6 genera ; pyrrhophyta : 1 species, 1 genus ; and chlorophyta : 77 species, 34 genera have been confirmed
摘要通過昭通市昭陽區(漁洞水庫、新民、小白坡、海邊、飛機場)不同水體的藻類植物水樣的採集、觀察及分類學鑒定,確定了藍藻門6屬8種,裸藻門6屬13種,甲藻門1屬1種,綠藻門34屬77種。Abstract : a large planar microphone array, which consists of 111 microphones, was successfully applied to obtain a two - dimensional mapping of the sound sources on a landing aircraft. the focus of study in this paper is on the landing gear noise source. the spectra, directivities and sound pressure levels of flap side - edge noise of 7 narrow - board commercial aircraft and 7 wide - board commercial aircraft are presented. it is found that the landing gear noise spectrum is broadband with some single tones in some cases. the directivity of the total sound pressure level of a landing gear noise resembles that of a horizontal dipole. the level differences between the various aircraft landing gears are larger than those expected from the airspeed differences. it is thus expected that the louder noise emission of the landing gears can be reduced by redesigning
文摘:應用由111個傳聲器組成的平面傳聲器陣列對當前流行的民用客機進場著陸過程中的機體噪聲源進行了實驗測量,本文對七架窄體客機和七架寬體客機的起落架噪聲進行了分析,得到了起落架噪聲的頻譜特性、指向特性和聲級變化.研究發現,起落架噪聲的頻譜是由寬頻隨機噪聲與一些較為明顯的單音噪聲源組成,起落架噪聲的指向性類似於一個水平放置的偶極子.不同飛機起落架噪聲的聲級相差較大,這說明可以通過重新結構設計降低起落架噪聲。Form the analysis of the needed enemy air force to our secured target, we determine the scale of the enemy air - raid firepower system by the needed enemy fighter quantity and cruise missile, we think it means a lot to analyse the enemy air - raid firepower system through quality and quantity aspect
從解析敵方對我方保衛目標進行空襲兵力需求量的分析入手,通過從空襲某類目標所需出動的作戰飛機數判斷空襲火力體系的規模;從空襲某類目標所需發射的巡航導彈數判斷空襲火力體系的規模,對從定性與定量角度研究空襲火力體系規模具有重要意義。Meanwhile, an aircraft load calculation software - alcp is accomplished in accordance with the method of load calculating and the requirement of airworthiness. the correctness of the developed software is checked with the load calculations of y7l and ma60 aircraft. the results given in this paper show that the software is suitable for all - purpose of the load calculation and all kinds of civil aircraft
同時根據載荷計算理論和適航要求進行了載荷計算的軟體研製,編制出了具有工程實用價值的通用載荷計算軟體? alcp軟體,並以西飛公司研製的y7l飛機和ma60飛機的機型數據進行了載荷計算,並與原設計載荷進行了對比分析,結果證明該軟體能夠適用於各類民用飛機的載荷計算。A father studying about the compositive measure is done in the end. a database about measures of reducing detection signals is also introduced. first data about measures of reducing detection signals are collected
另一方面建立了飛機雷達信號、紅外信號、光學信號和聲學信號減縮措施綜合數據庫,先是搜集減縮措施的各種資料數據,再加以審核、分類。Because of the large amount of capital, long duration and various risk elements in the aircraft financial leasing ; the risks in it are high
針對融資租賃項目交易金額大、交易時間長、風險因素復雜多變的特點,本文進行了詳細的風險類型、風險因素分析,探討了飛機融資租賃的風險類型、各類風險的度量方法。分享友人