A simulative algorithm of laser beam scattering by an object in near field is given. based on the algorithm, a simulative software is worked. and by using geometrical modeling and hiding, the received power of remote system for f16 airplane, as an example, is computed
4 、提出激光引信目標近場散射特性模擬演算法,編制了模擬軟體,並以f16飛
機為例,通過幾何建模和消隱處理,計算了目標不同姿態、不同脫
靶量和不同脫
靶方位角時,彈目交會過程激光引信接收系統的接收功率。
And one longtime airport santa says he feels like he has a bullseye on his back
一個在
機場長期裝扮聖誕老人的人說他感覺他的背後有一個
靶心。
Multi - linear ccd array camera for missing distance in intersectant measurement
相
機組合交匯目標脫
靶量測量
Thus, according to the maximum dispersion distance and the allowable miss distance given, the magnitude and class numbers of impulse control force is selected
根據最大散布誤差和最大脫
靶量指標選擇脈沖控制力大小,並對脈沖發動
機分級。
The incident wave height h1 / 3 is in the range from 0. 1m to 0. 25m, and the peak period tp in the range from 1. 0s to 2. 0s. the ratio of s / h1 / 3, which refers to the subface level of wharf deck ( s ) to the incident wave height ( h1 / 3 ), is between - 0. 1 and 0. 7. three different shore connecting types : open - piled, permeable slope with armored 1ayer of dolosse b locks and impermeable slope with armored layer of concrete plate, are set in the experiment for the research on the effects of boundary condition with different shore connecting types on the wave impact
本文的物理模型試驗在大連理工大學海岸和近海工程國家重點實驗室的大波流水槽中進行,試驗中選用的隨
機波
靶譜為改進的jonswap譜,入射波波高h _ ( 1 / 3 )范圍為0 . 1m 0 . 25m ,譜峰周期t _ p范圍為1 . 0s 2 . 0s ,碼頭面板的相對凈空(碼頭面板底面距離靜水面的距離s與入射波波高h _ ( 1 / 3 )的比值)范圍為- 0 . 1 0 . 7 ,其中s / h _ ( 1 / 3 )為負值時表示碼頭面板底面位於靜水面以下。
It ' s indispensable equipment in conventional weapon shooting range, airborne photo - electric reconnaissance and photo - cell tracking
是常規武器
靶場和
機載光電偵察、光電跟蹤上必不可少的設備。
Got the fostering energetically of four - dimensional company since bell model company established, is it produce many kinds of electronic to develop, the oil move the radio telecontrol model plane, the company possesses the stronger model and develops, designs and processes manufacturing capacity, hold concurrently and design the business of the light - duty aircraft, not having man - machine, drone aircraft etc. at the same time
貝爾模型公司成立以來得到了四維公司的大力扶植,研製生產出多種電動、油動無線電遙控模型飛
機,公司具備較強的模型開發、設計和加工製造能力,同時兼承接設計加工輕型飛行器、無人
機、
靶機等業務。
The generation of energetic ions during the interaction of a linear - polarized ultra - short ultra - intense laser pulse with solid targets are examined by particle simulation. three energetic ion populations are observed and the acceleration mechanisms are analyzed, respectively. the first population is pulled out from the target by the electron jet in front of the target
模擬觀察到三群高能離子的產生,並對其加速
機制一一進行了分析:在
靶的前部,向外噴射的高能電子在
靶前形成電子云,將一部分離子拉出
靶面,形成第一群高能離子;激光驅動大量高能電子向
靶內輸運,這些電子牽引
靶前部的離子向前加速,形成第二群高能離子:高能電子很快穿透
靶,在
靶后形成電子云,加速
靶后表面處的離子,形成第三群高能離子。
No, a first gas information molecule discovered in human being, is a typical endothelial - derived relaxant and mediates endothelium - dependent relaxation of blood vessels. in the pathogesis of endotoxin shock vec is one of the major target cells of lps and lps - induced proinflammatory cytokine such as tumor necrosis factor and interlukin 1 and activated. in vec inducible nitric oxide synthase ( inos ) is induced and lead to an increase in production of no, the while endothelial nitric oxide synthase ( enos ) is inhibited and elicit decrease in no formation, both of which are demonstrated to induce the
在內毒素休克過程中vec是lps及其誘導
機體產生的多種促炎細胞因子如tnf 、 il - 1作用的主要
靶細胞, vec誘導型一氧化氮合酶( induciblenitricoxidesynthase , inos )激活、 no大量誘生而內皮型一氧化氮合酶( endothelialnitricoxidesynthase , enos )活性被抑制、 no生成障礙,是血管反應性異常變化、血管調節
機制紊亂的重要發病環節。
The air combat visual has a characteristic that the eyeable airspace is big ( more than 20 kilometers ) but target is small ( all fighter plane is small in 30 meters )
摘要空戰模擬視景具有可見空域大( 20公里以上)而
靶標小(戰
機均小於30米)的特點。
Airborne target drone
無人駕駛的
靶機
Standard specification for high purity titanium sputtering targets for electronic thin film applications
電子薄膜用高純度鈦濺射
靶機的標準規范
Abstract : a type of pilotless target aircraft flight control system is introduced. the function and basic compose and autopilot control regular and engine control principle and recovery control scheme of the flight control system are discussed
文摘:介紹了無人駕駛靶機的飛行控制系統,詳細討論了系統的功能、基本組成、自動駕駛儀控制規律、發動機控制原理、回收控制方案及系統軟體設計等。