飛離速度 的英文怎麼說
中文拼音 [fēilísùdù]
飛離速度
英文
outbound speed- 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...
- 離 : Ⅰ動詞1 (離開) leave; part from; be away from; separate 2 (背離) go against 3 (缺少) dispens...
- 速 : Ⅰ形容詞(迅速; 快) fast; rapid; quick; speedy Ⅱ名詞1 (速度) speed; velocity 2 (姓氏) a surna...
- 度 : 度動詞[書面語] (推測; 估計) surmise; estimate
- 飛離 : departure
- 速度 : 1. [物理學] velocity; speed; blast; bat 2. [音樂] tempo3. (快慢的程度) speed; rate; pace; tempo
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Firstly, simulate flow field of rear smoke channel, plot velocity magnitude and ash concentration distribution in section of entry of heat pipe air preheater, compare with data which were measured in guiyang power station, verify simulation to be reasonable and right. secondly, simulate all kinds of factors which affect flow field ' s uniformity such as length, thickness, location of diffluent board, ash concentration, ash diameter, and so on, find the chiefly factors. thirdly, install guide board in curve channel in rear smoke channel, then simulate its " flow field, plot velocity magnitude and ash concentration distribution
在此基礎上模擬在冬夏兩季不同情況下,不同流速對熱管空氣預熱器壁面溫度的影響;然後對影響整個流場分佈的各種因素:包括分流板長度、厚度、偏離中心流道位置的偏離度、飛灰濃度、飛灰粒徑等因素進行數值模擬;最後提出在分流煙道轉彎處加裝導流板,並模擬加裝導流板后的流場分佈,得到下級空氣預熱器出口、熱管空氣預熱器進口處的斷面速度場分佈、濃度場分佈,以論證加裝導流板能達到流場均勻化的作用。In this paper, firstly the macro parameter of the series connection app was comprehensively analyzed, among which the trajectory location of the bullet emission and the terminal velocity of the bullet were mainly analyzed, and the feasibility of the series connection app to cope with explosive reactive armor was demonstrated. and then the macro design about the head of the series connection app was made, among which a particular analyse about the bullet " s launching process was made, from which we concluded the relation between the thickness of the airproof loop and the velocity of the bullet detached from the carrier and the relation between the length of the bullet and the velocity of the bullet detached from the carrier and the relation between the length of the bullet and the burning rate of the powder and the relation between the length of the bullet and the maximum pressure of the emission hole and the relation between the length of the bullet and the emitting time of the bullet, and the reasonable str ucture of the head of the carrier and bullet were designed, then the intensity of the head of the carrier was checked out using of the software of ansys
本文首先對子母式穿甲彈總體參量作了全面的計算分析,其中主要分析了子彈射出的彈道位置和必要的子彈著靶速度,論證了子母式穿甲彈對付爆炸式反應裝甲的可行性,然後對子母式穿甲彈彈頭部進行了總體設計,其中主要對子彈的發射過程進行了詳細的分析,得出了母彈彈頭部發射孔內閉鎖環厚度與子彈飛離母彈速度的關系、子彈長度與子彈飛離母彈速度的關系、子彈長度與火藥燃燒率的關系、子彈長度與母彈彈頭部發射孔內最大壓力的關系以及子彈的長度與子彈發射所需時間的關系,設計出了合理的母彈彈頭部結構和子彈的結構,並利用ansys有限元分析軟體對母彈彈頭部的強度進行了校核。Second, by computing the trajectory of the missile and the method of analyzing cep, influences that the fighter ' s height, speed, pitch angle, the deflection angle between fighter and target, and the target moving characters make on the times of fighter attack and missile launch are deeply developed. third, by relating the motion of the missile and the fighter, the influences that fighter ' s dive angle and the deflection angle between fighter and target make on the attack field of the fighter are discussed in this paper when the fighter perform vertical and horizontal attack. criterion of attack effect is proposed focusing on attack time of the fighter, trajectory of the missile and destruction probability to the target
本文主要完成了以下幾個方面的工作:對導彈可發射區和飛機可攻擊區進行建模,通過對導彈彈道的模擬計算,並運用典型的圓概率偏差精度分析方法,詳細討論了飛機實施攻擊時,飛機的飛行高度h 、速度v 、俯仰角、與目標的偏離角_ x及目標運動特性等對飛機攻擊時機和導彈發射時機的影響;因此,將飛機和導彈結合起來,詳細研究了飛機在垂直平面和水平平面內實施攻擊時,飛機俯沖角和與目標的偏離角_ x對飛機的攻擊范圍的影響;以飛機實施攻擊的時間t 、彈道特性和對目標的殺傷概率p來評判對地攻擊的效果;最後給出典型算例,通過對空地攻擊過程的模擬實現,對飛機飛行過載提出要求。The basic principle is that if we measure velocities in some region, then there has to be enough mass there for gravity to stop all the objects flying apart
基本的原則是如果我們在一些地方測量速度,那麼在那裡必須有阻止所有物體飛離所需引力足夠大的質量存在。First, proper way of gps positioning are selected according to the high dynamic flight characters of re - entry spacecrafts, such as high distance from the earth, high velocity and far awy from the launching point
本文首先根據再入航天器飛行高度高、速度快、飛行距離遠等特點,對gps定位方式進行選擇。Improvements in performance include reductions in specific fuel consumption ( 4 % ), take - off distance ( 10 - 20 % ), minimum speed ( 100 kias ), time to climb and increase in specific excess power, sustained load factor and sustained turn rate ( 15 % )
性能改進方面包括減少4 %的耗油率,縮短10到20 %的起飛距離,減少最低速度大約一百指示空速節,縮短爬升時間和增加單位剩餘功率,提升15 %的持續回轉率與持續負載系數。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 attitude helps to generate greater lift and reduce the distance needed for takeoff or landing
合適的大迎角,有利於在較低的速度下產生足夠的升力,以便於減少起飛滑跑距離。The dissertation also does a research on the control strategies of mechanical control parts. the theoretical expression among needle valve throttle area, cam - control valve throttle area and the equivalent throttle area of combining control is given, and the principle of combining control of the two valves is analyzed. the arresting control strategies under various engaging conditions are presented, namely the engaging condition of same overrunning length and same engaging speed but different weight, the engaging condition of same overrunning length and same weight but different speed as well as the engaging condition of same weight and same engaging speed but different overrunning length
研究了機械控制機構的控制策略:從理論上推導出了針閥節流面積、凸輪控制閥節流面積及聯合控制的當量節流面積三者之間的關系表達式;分析了針閥與凸輪閥聯合控制的控制原理和方法;給出了同攔停距離同撞網速度不同重量飛機撞網狀況、同攔停距離相同重量不同撞網速度飛機撞網狀況以及同重量飛機同撞網速度不同攔停距離撞網狀況的攔阻控制策略。The locomotive, which was slowly approaching with deafening whistles, was that which, having been detached from the train, had continued its route with such terrific rapidity, carrying off the unconscious engineer and stoker. it had run several miles, when, the fire becoming low for want of fuel, the steam had slackened ; and it had finally stopped an hour after, some twenty miles beyond fort kearney
它自從甩掉了列車以後,就以驚人的速度帶著半死不活的司機和司爐繼續向前飛馳,一直跑了好多英里,一小時之後煤燒得差不多了,火也小了,蒸氣也減少了,它才越走越慢,最後在離開克爾尼堡二十英里的路上停了下來。Dsp56f805 samples the ultrasonic pulse coming back from the target, then measures the distance and shows it on led. tms320vc5509a is accomplished the detecting speed and the main control of the radar system, is 16 fixed dsp with high performance and low power produced by ti company. dsp5509a samples the wave coming from t / r module, then measures the target ’ s speed and send this information to the assistant control chip - p89v51 based on boost c51 core mcs produced by philips company, which controls the lcd
測距雷達系統的控制和信號處理的核心晶元是motorola公司的dsp型16位單片機56f805 ,由它對超聲波回波脈沖進行ad采樣后,計算目標距離並在七段數碼管上顯示。測速雷達系統中信號處理的核心晶元是ti公司的超低功耗、高性能的16位定點dsp ? ? tms320vc5509a ,由它對收發組件輸出的多普勒回波進行采樣,計算出目標運動速度后,送給輔助控制晶元? ?飛利浦公司生產的基於c51內核的增強型單片機p89v51 ,並且在液晶顯示器上顯示速度信息。Subauditionally, if we make two rulers of same length on the earth and put either of them in an airship that leaves the earth at an ultra high speed, we will find that the ruler on the airship is shorter than the other left behind on the earth
言外之意就是:如果在地球上做兩把長度相同的尺子,其中的一個放到飛船上,當飛船高速飛離地球后我們觀測到在飛船上的這把尺子比留在地球上尺子要短一些!The closing velocities between two spacecrafts are very slow during docking. such a motion is well defined using an appropriate acceleration model. kalman filtering techniques can thus be utilized to improve tracking accuracy
考慮在近距離段兩飛行器之間的相對速度很慢,利用卡爾曼濾波器來對目標器的狀態量進行預測和濾波處理。The craft will acquire sufficient velocity to escape the sun ' s gravitational attraction
飛船將會以足夠快的速度來脫離太陽的引力。He had been crouching in the stubble, but the green field was in front of him, and there it was marshy ground. the two dogs of the groom who had started him were the nearest and the first to be on the scent after him. but they had not got near him, when ilagins black and tan yerza flew ahead of them, got within a yard, pounced on him with fearful swiftness, aiming at the hares tail, and rolled over, thinking she had hold of him
它躺在茬地上,但是它前面有一片翠綠的田野,泥濘難行,那個發現兔子的獵人的兩只獵犬離得最近,首先盯著看了看,竄了過去,但是隔得遠,還沒有走到兔子面前,那隻伊拉金的紅花斑母犬葉爾扎忽然從後面飛奔出來,離兔子只有一隻獵犬的距離,它瞄準兔子尾巴,用最快的速度沖過去,它以為它把兔子抓住了,於是倒栽蔥似地翻了個跟頭。However, the hubble s law is based on the big bang theory which is still being developed, the accuracy of the distances obtained is questionable
然而,由於天體飛逝速度跟距離間的關系是建基於宇宙膨脹的理論,故此量度出來的結果一般都不太準確。In the beginning of the 20th century, american astronomer edwin hubble discovered that nearly all galaxies are moving away from us with velocities proportional to their distances from the earth, inferring that the universe is expanding
在二十世紀初,美國天文學家哈勃h ubble提出宇宙膨脹理論,並觀測到我們四周的星系正以不同速度向外飛逝,距離愈遠的,飛逝的速度也就愈高。With the development of science and technology, not only the flight velocity of flying objects becomes higher, but also the flight distance increases rapidly
隨著科學技術的發展,高速遠程飛行物體的尺寸變化范圍增大,速度越來越快,飛行距離大幅度增加,要求遠距離飛行后命中目標的精確度越來越高。The plane may be slightly slower but it can turn in a much tighter circle - a big advantage in a dog fight
該飛機的飛行速度可慢了一點,但它轉的圈子可以小得多? ?這在近距離激戰中是一大優勢。The faster an object moves, the greater difference it has between real existence and result of observation. deflection of space - time allows us to know the difference. when the airship is stationary, we say the real length of the ruler is the same as its measured length, however as long as the airship leaves the earth with a high speed, we can find there is error between its real length and measured length
我們還以飛船上的尺子為例,當飛船與地球相對靜止時,我們說這兩把尺子等長,尺子的真正的長度與我們看到的長度是相等的,但當飛船飛離地球時我們會發現,在飛船上的尺子的真正長度與我們所看到的尺子的長度有誤差,而且隨飛船速度的增加,這一誤差會越來越大。分享友人