飛機信號 的英文怎麼說
中文拼音 [fēijīxìnháo]
飛機信號
英文
airborne signal-
This thesis firstly introduces new demands of aerial product logistics support under high - tech war and some defects of traditional logistics support, and puts forward a kind of system model of aerial product logistics support following data - sharing of cals, and emphasizes detm. secondly it sets forth application of step and xml in the ietm, researchs conversion of xml schema and relation schema, and simply researchs mapping of xml and express. afterword, a based - xml framework of info - transfer between different platform are presented, according to this framework, the author establish a archetypal system of helicopter information query system based xml and dbms
本文首先介紹了現代高科技戰爭條件下對航空產品維修保障的新要求,概述了傳統的後勤保障技術的不足,遵循cals的數據共享的理念,提出了航空產品維修保障系統模型,重點研究了互動式電子技術手冊;接著分析了step標準和xml技術在製作互動式電子技術手冊中的應用,重點研究了肌模式和關系模式之間的相互轉換,初步研究了xml和express語言之間的映射關系;然後,提出了基於xml的一種解決航空產品信息跨平臺傳遞的解決方案,給出了該方案的具體實現流程和詳細的通訊協議,並開發了基於xul和數據庫的某型號直升飛機的信息查詢原型系統。The main content of this article are the theories of fuzzy control system and data acquisition system for micro aerial vehicle. we can let a aeroplane model aviate with some sensors and one microcontroller, at the same time, the remote control is used. when the model make a landing, we could get some useful data from the model
在信號採集系統的基礎上,對微型飛行器模糊控制系統的具體實現進行了探討,並分析了單片機與pc機串列通信的方法,進一步強調信號採集系統與模糊控制系統之間綜合設計的合理性和必要性。The crank reference pulse originates from a variable reluctant pickup which senses a projection on the engine's flywheel.
曲柄參考點脈沖信號由一個變磁阻傳感器產生,它從發動機飛輪上的突起感受信號。Her appendix burst while on a cruise and the navy quickly responded to the distress call, picking her up on a helicopter and performing the surgery on board the aircraft carrier
海軍很快的回應了求救信號,派了一架直升飛機接她,並且在母艦的甲板上進行了手術。The plane homed in on the radio beacon
飛機遵循導航臺信號降落。For protein identification, proteins spots of interest on the gels stained with colloidal coomassie brilliant blue g - 250 were excised, digested in - gel with trypsin, and analyzed by peptide mass fingerprinting ( pmf ) with matrix assisted laser desorption / ionization - mass spectrometry ( maldi - ms ). erp60, trypsinogen, proelastase, lipaseandso on were identified. this will enable us to present an overview of the proteins expressed in rat pancreas tissues and lays the basis for subsequent comparative proteome analysis studies with pancreas development
從中隨機選擇一些差異蛋白質點,進行基質輔助激光解吸-電離飛行時間質譜( maldi - tof - ms )測定其膠內酶解后的肽質指紋圖譜,用mascot軟體查詢swiss - port數據庫,初步鑒定為一些與生長發育、物質代謝、細胞因子、信號轉導等有關的蛋白質,如erp60 、 trypsinogen 、 proelastase 、 lipase等。The motion carriers such as the automobile, trains, war vessels, the plane and so on, are in flux by their position and azimuth, if want kepting satellitic message and taking over satellitic signal, must adopt the platform system of tenaclous tracking satellite antenna
汽車、火車、艦船、飛機等運動載體的位置和姿態不斷的在變化,要保持與衛星的通訊聯系和接收衛星視頻等信號,就必須採用衛星天線穩定跟蹤平臺系統。In recent years, much progress has been achieved on gpr in both hardware and signal processing techniques as the development of computer and electronic devices. gpr has already showed a very bright outlook in both military and civilian applications
特別是近幾十年隨著計算機技術和電子技術的蓬勃發展,探地雷達從儀器設備到信號處理方面都獲得飛躍的進步,在軍事和民用領域具有廣闊的應用前景。Abstract : this paper introduces the principles of doppler radar signal processing method in the modulation. it provides the processing method for projectile tracer time, the burst time, rocket engine working time, projectile spin and flight attitude from signal of doppler radar
文摘:介紹了測速雷達調制域彈道信息處理方法的工作原理,詳細論述了從測速雷達信號中處理彈丸曳光時間、底排燃燒工作時間、火箭發動機工作時間、彈丸旋轉速度、飛行姿態角和擺動周期等彈道信息的方法。A new method to estimate doppler centroid and doppler rate applicable to real flight condition is proposed
該方法設置飛機速率和脈沖重復頻率比為常數,保證方位向接收信號均勻空間取樣,使用實時最小二乘擬合演算法。The geometry and echoed signal models of airborne bistatic sar in general flight configuration are introduced. two - dimensional matched filtering principle is examined and theoretical relationship between resolution and bistatic sar system parameters is suggested
本文首先分析了機載雙基地sar在任意飛行模式下的幾何模型與回波信號模型,闡述了二維匹配濾波成像機理,給出了解析度與雙基地sar系統參數間的理論關系。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。The search plane signaled that help was on the way. the man in the lifeboat just had to sweat it out
搜索飛機已用信號通知救援馬上就到,救生艇上的人只好焦急地等待下去。The high - speed digital signal processor is adopted and the real - time and reliability are improved greatly. the system with low - loss and high - efficiency is suitable for solar powered unmanned engine
該系統採用高速數字信號處理器全數字化設計,其實時性好、可靠性高,並具有功耗低,效率高等特點,比較適合應用於太陽能無人飛機。A mathematic model of the motor is builded and emulated through matlab. the low - speed and constant - torque, high - speed and constant - power state is analyzed and researched, also the software approach of simulation to the driver has been done, a digital signal processor tms320lf2407 is developed successfully to control the perm square - wave bldcm driving airscrew of solar powered unmanned engine. it is useful to the further study
在matlab下建立了電機的數學模型,通過計算機模擬,驗證了數學模型的正確性,同時在理論上對低速恆轉矩高速恆功率運行進行了分析與研究,提出了一種用模糊控制的方法實現恆功率控制,並對驅動器進行了系統模擬,成功的研製了以數字信號處理控制器tms320lf2407為控制核心的驅動器,控制無刷直流電動機驅動太陽能無人飛機的螺旋槳,為後面繼續研究工作提供了參考。Then, the connected flying, stage separation, signal being sheltered process is simulated in computer, the influences imposed by working conditions and interfering factors for separation process are analyzed. furthermore, if the missile is controlled non - rolling, the stage separation process is simulated in another model. some of conclusions derived from above analysis are checked in theory
本文就某些可選分離方案進行了對比分析,對地空導彈一體飛行、級間分離、信號遮擋過程進行了計算機模擬,分析了影響條件和干擾因素對分離過程帶來的影響,進一步研究導彈若受控無滾時的級間分離過程,並從理論基礎出發驗證上述研究的部分結論。The main research work of the thesis is summarized as follows : 1. the improved fuzzy logic control method the phenomenon of steady - state errors and flutter exists in the traditional fuzzy controller. an improved fuzzy controller without quantilizing is presented
地形跟隨飛行控制律設計針對某型飛機應用控制航跡角法和控製法向加速度法對不同的反饋信號分別設計了pi控制器和模糊控制器,並做了模擬比較與魯棒性驗證。Mayday, mayday, mayday, tg612. we have just been hit by a light aircraft, left wing tip appears to have been torn off, we ' ll divert to kung ming for landing
遇險信號, tg612剛才我們與一架輕型飛機相撞,左翼尖好象被撞掉了,我們立即改航去昆明備降。The use of an international distress signal, except for the purpose of indicating that a ship, aircraft or person is in distress, and the use of any signal which may be confused with an international distress signal, are prohibited
例2 :除了表示船舶、飛機或人員遇險外,嚴禁使用國際遇險信號以及任何與國際遇險信號可能相混的信號。The total auto symbol recognition disposition method proposed in this paper can deal with the problem which converts papery of aircraft theory graphics or system graphics into vectorgraphs which can lose some useful information. furthermore, the display technique with multi - level buffer not only resolves the problem of high - speed for aircraft theory graphics or system graphics in cbt, but also ensures scrolling and zooming in / out smoothly and avoids the flashing phenomenon efficiently
目前紙質的飛機系統圖、原理圖矢量化方法用基本的矢量圖元按其位置來再現原始圖,從而導致矢量后圖中各符號整體信息丟失問題,該文提出的自動符號識別方法可有效地解決該問題,此外改進多級緩沖顯示技術不但可有效地解決cbt中系統圖、飛機原理圖的快速顯示,而且也保證圖形可連續光滑滾動和消除放縮拖動時屏幕閃爍現象。分享友人