飛達一號 的英文怎麼說
中文拼音 [fēidáyīháo]
飛達一號
英文
tdn23-4z-
At minus six seconds on a bright and biting florida morning, the space shuttle challenger was poised on launch pad 39-b.
佛羅里達州的一個晴朗、寒風刺骨的上午，距離發射時間只剩6秒鐘，39-B號發射臺上的「挑戰者」號航天飛機準備就緒。The space shuttle atlantis arrives at the kennedy space center in cape canaveral, florida on febru - ary 6, 2008. atlantis is scheduled to launch on february 7 when weather conditions permit
2月6日， 「阿特蘭蒂斯」號航天飛機矗立在美國佛羅里達州肯尼迪航天中心的發射臺上。美國「阿特蘭蒂斯」號航天飛機目前已進入發射倒計時。如果一切順利，它將於美國當地時間7日升空。The success of the shenzhou vi manned space flight shows that china has reached world - class levels in some key areas of
神舟六號載人航天飛行圓滿成功，標志著我國在一些重要科技領域達到世界先進水平。The success of the shenzhou vi manned space flight shows that china has reached world - class levels in some key areas of science and technology
神舟六號載人航天飛行圓滿成功，標志著我國在一些重要科技領域達到世界先進水平。The number one killer in sdu, chow sing sing, is sent to a school to find a lost gun
飛虎隊第一號殺手周星星被老總派往校園當臥底找失槍，達叔則扮工友協助。Fight back to school 1 the number one killer in sdu, chow sing sing, is sent to a school to find a lost gun. his partner tat pretends to be a sc.
飛虎隊第一號殺手周星星被老總派往校園當臥底找失槍，達叔則扮工友協助，學校里有學生與黑社會老大大飛來往，星由達處得知飛走私軍火，趁夜將The number one killer in sdu, chow sing sing, is sent to a school to find a lost gun. his partner tat pretends to be a school worker in assisting him. they recognize that some students are being closed with fei, the head of triad society, and fei traffics munitions
飛虎隊第一號殺手周星星被老總派往校園當臥底找失槍，達叔則扮工友協助，學校里有學生與黑社會老大大飛來往，星由達處得知飛走私軍火，趁夜將飛的軍火運走，達卻被飛所抓。She and six other astronauts arrived friday on the shuttle endeavour to bring supplies and new equipment to the international station
她和其他六名航空員于周五抵達奮進號航天飛機，為國際空間站帶來一些補給品和新設備。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。Once again, rival technology for manned aircraft stole the thunder : stealthy designs to reduce the radar signature, precision weapons such as cruise missiles and laser - guided munitions and new sensors such as synthetic - aperture radar that could look through clouds
對手的人工駕駛飛機的科技再一次先聲奪人：為減少雷達信號而進行的秘密設計、諸如巡航導彈與激光導向的軍需品之類的精密性武器，以及一些新型傳感器，諸如可透視雲層的合成光圈的雷達。A compositive measure of these four signals will be introduced in this paper. first the feasibility of the compositive measure is analyzed. then compositive measure model is built on the basis of detectable functions of each signal
一是初步建立起飛機雷達信號、紅外信號、光學信號和聲學信號統一測度模型，首先分析統一測度的可行性，對相關專業知識進行研究，找出各個信號的測度公式，在此基礎上建立統一測度模型，並對模型做進一步討論及分析模型中存在的問題。The rdpds processes the radar data from various primary and secondary radars to present the aircraft position and its related information, e. g. aircraft callsign, altitude, ground speed, aircraft category, etc. on the radar display
雷達數據處理及顯示系統可以處理來自不同的一次及二次雷達的數據，然後在屏幕上顯示航機的位置及其有關的資料，包括航機的代號、高度、速度、飛機種類等。Civil air defense alarm system was a system to dispense antiaircraft alarm sig - nal, hand hostile air attack informational communication to urbanite at wartime. it is a particular informational communication system of the civil air defense depart - ment, and can not be taken place. at the development trend of digitaliza - tion, unitization, integration of civil air defense communication, the civil air defense alarm system is developing too, for adaptation to the require of both future war and peaceful dual, and enhancing civil air defense communication system ' s directing automation. in recent years, development of different kinds of communication technology infuses new clearly energy into communication, especially spread spectrum communication, because of its strongly interference - free feature, invisibility best, realizable code division multiple access and antimultipath wane and so on merit, gets extensive use at wireless region ; the corresponding spread spectrum chips emerge as the times and get boom, which provides advantag e to realization of the circuit of spread spectrum communication. at the same time, in company with the advance of electronics level, the single chip microcomputer has a great development, world renowned chip manufacturer pushout respective products one after another, the kinds of which are too many to statiste
在人防通信的數字化、一體化、綜合化必然的發展趨勢下，人防警報系統也不斷發展，以適應未來戰爭和和平時期的雙重需要，提高人防通信系統指揮自動化。近年來，各種通信技術的發展給通信注入了活力，擴頻通信更因其抗干擾能力強、隱蔽性好、可實現碼分多址和抗多徑衰落等優點在無線領域得到了廣泛應用；其相應擴頻處理晶元應運而生並得到迅速發展，這為擴頻通信的電路實現提供便利。同時隨著微電子工藝水平的提高，單片微型計算機有了飛躍發展，世界上著名的集成電路晶元製造商紛紛推出各自的產品，單片機型號之多，已達到難以統計的地步。This paper studies the helicopter, the propeller - driven aircraft and the turbofan jet airplane echo modulating feature parameter model and analyses the echo signal feature. it gains the target echo ’ s the cyclical modulation feature by using the complex ar frequency range bispectrum slice. because traditional method in extraction airborne radar ’ s radiant signal feature time has certain insufficiency, this paper proposes the approximate entropy and the norm entropy as the passive feature parameter in the airplane
由於傳統方法等在提取機載雷達輻射源信號特徵的時候存在著一定的不足，本文提出把近似熵和范數熵作為飛機目標識別的無源特徵參數，給出了提取相應特徵熵的演算法，實現對機載雷達輻射源信號的識別，通過和機載雷達類型的匹配，實現對目標的識別。At minus six seconds on a bright and biting florida morning, the space shuttle challenger was poised on launch pad 39 - b
佛羅里達州的一個晴朗、寒風刺骨的上午，距離發射時間只剩6秒鐘， 39 - b號發射臺上的「挑戰者」號航天飛機準備就緒。With the rapid development of modern radar, the function of modern radar is more an more complex. it becomes more difficulty in radar system research, development, radar system testing, training etc. . so the research on radar signal simulator becomes one of the emphasis in martial area
隨著雷達技術的飛速發展，雷達的功能日趨復雜，相應的雷達系統的設計、調試和維護也變得更加困難，於是對雷達信號模擬器的研製成為近幾年國內外軍事領域的重點之一。分享友人