無用發射 的英文怎麼說
中文拼音 [wúyòngfāshè]
無用發射
英文
unwanted emission-
That the antenna points at the aerocraft very precisely can utilize the gain of antenna, minishing the power of transmitter, and propagating data very gualitily effectly
在無線測控系統中,天線精確指向飛行目標,可最佳利用天線增益,減小發射功率,高質量的進行控制和數據傳輸。In actual fact, a suitably modified amateur radio transmitter operating in either the 420 to 450 megahertz band or the 1. 3 gigahertz band, with a highly directional antenna, is capable of transmitting voice to skull signals at less cost than the price of an automobile
事實上,一個適當限制在420到450兆赫波段或1 . 3千兆赫波段的帶有高度定向天線的業余無線電廣播發射機,能夠把聲音信號傳給頭骨並且所花的費用比一輛汽車的價格還要少。The oae diagnoses, which is simple, speedy, hurtless, and can be applied to all ages, has great clinic worthiness
由於耳聲發射檢測方法簡便、迅速、無創,且適用人群廣,在臨床中具有極大的使用價值。The imported transparent glaze fired at lower temperature was analysed semi - quantitatively by adopting emission spectroscope. the stripping of lead and cadmium from this transparent glaze fired at lower temperature in ceramic product was determined by atomic absorption spectroscope. the effect of chemical composition on the stripping of lead and cadmium was analysed. upon the author s opinion, the overproof lead stripping from the imported transparent glaze fired at lower temperature can only be settled by adopting lead - free glaze instead of adopting low - lead prescription. the author succeeded in developing an excellent lead - free transparent glaze fired at the lower temperature of 1000 1050. the success is based on an inquiry into the feasibility of using such new agents of fusion as li2o and sro in replacement of pbo ; and on a study of the effects of the contents of sio2 , al2o3 , b2o3and other metallic oxides on such performances of glaze as coefficient of linear expansion, fusion temperature and transparency. it is also based on an analysis of coefficient of linear expansion of blank and glaze on an analysis of coefficient of linear expansion of blank and glaze on their correlation ; and on a study of technology for preparing glaze
採用發射光譜儀對進口低溫透明釉進行半定量分析,並用原子吸收光譜儀測定其陶瓷製品的鉛、鎘的溶出量,分析化學成分對鉛、鎘溶出量的影響.結果表明,進口低溫透明釉採用低鉛配方不能解決鉛溶出量的超標問題,只有採用無鉛釉才能解決.探討用氧化鋰和氧化鍶等新型熔劑完全代替氧化鉛的工藝,研究釉料中氧化硅、氧化鋁、氧化硼和各種金屬氧化物的含量,對釉的線膨脹系數、熔融溫度和透明度等性能的影響.分析坯料、釉料的線膨脹系數及其相互關系和釉料制備的工藝,研製出優質的1000 1050低溫無鉛透明釉And when the array transmits back to the cell - phone user, the processor sends an out - of - phase signal to one of the antennas, generating a radio beam that runs from north to south
當陣列發射訊號給行動電話用戶時,處理器會傳送一個異相的訊號到其中一個天線,產生由北往南的無線電波束。Abstract : solid propellant rocket motors are preferred for most ballistic missiles because they need simple maintenance and can be launched quickly. but the conventional thrust termination devices limit the depletion of every stage ' s grain and increase some extra - weight. an improved method for designing a multi - stage solid rocket based depleted shutdown was provided. in order to solve the problem of lack of thrust termination devices, a device to adjust the burnout angle will match the final burnout velocity and satisfy the desired range. the method can also limit the detection from anti - ballistic missile system
文摘:由於維護簡單和發射快速,彈道導彈多用固體火箭發動機,但繁雜的推力終止裝置使各級裝藥不能耗盡並讓結構增重.提出了一種對基於耗盡關機多級固體火箭概念設計的改進方法,此方法滿足導彈系統主要的戰技要求.為解決無推力終止裝置的末速不準問題,可在末級發動機採用姿態調整裝置,對射角進行調整,配合末速以滿足射程要求.本方法還可抑制敵方反導探測This thesis focuses on application of sdr to a transmitter
本文主要研究軟體無線電在發射機中的應用。The text uses the method of ray tracing that is based on improved traditional mirror image principle of the radio wave forecast and two ray propagation model, which can be used in any complex propagation environment and found any propagation path from the sending set to receiving machine without redundancy computer
本文是基於無線電波預測中傳統的鏡像原理與雙射線傳播模型的結合而提出的改進了的射線跟蹤演算法,它能用於任何復雜的傳播環境中,能找到從發射機到接收機之間的所有傳播路徑而無須冗餘的計算。The shadow mask is the critical component of the colour picture tube and the important component for the choice of colour, its function concentrates on the limitation of electronics bound diameter and the screening direction, the electronics bound which is sent by the electronics gun goes scanning, during the scanning process, we should guarantee every bound gathering into the small holes situated on the screen, then these bounds will point to the regularized position through the small holes on the flat mask, and then three basic colours will be produced, at the same time, those useless electronics will be blocked by the mask board
平板蔭罩是彩色顯像管的關鍵部件之一,是一個重要選色元件,其作用是限制電子束直徑和上屏方向,由電子槍發射的電子束在偏轉磁場的作用下進行掃描,掃描過程中必須使每個電子束只能射中熒光屏上的為該束指定的那些小孔上會聚,並通過蔭罩上諸多的小孔分別打到各自對應的熒光質點上,發出三種基色(紅,綠,藍) ,而無用的電子則被蔭罩板截獲。Sng methods of measurement for equipment used in digital microwave radio transmission systems. part 3 : measurements on satellite earth stations. section 14 : earth stations for satellite news gathering
數字微波無線電發射系統使用設備的測量方法.第3部分:衛星地面站的測量.第14節:衛星新聞收集地面站The roots of radio - frequency identification technology stretch at least as far back as world war ii, when transponders helped distinguish between axis and allied aircraft
無線頻率識別技術的最早運用可以追溯到第二次世界大戰,那時無線電發射機應答器幫助人們分辨軸心國和同盟國的戰機。Methods of measurement for radio transmitters ; part 12 : guideline for drawing up descriptive leaflets for transmitters and transposers for sound and television broadcasting ; specification sheets
無線電發射機的測量方法.第12部分:音響設備和電視播放設備用發射機和換位器的草擬說明導則.第2節:說明卡Methods of measurement for radio transmitters. part 12 : guidelines for drawing up descriptive leaflets for transmitters and transposers for sound and television broadcasting. specification sheets
無線電發射機的測量方法.第12部分:音響設備和電視播放設備用發射機和轉播發射機的散頁說明書起草指南.第2節:規范活頁Methods of measurement for radio transmitters. part 12 : guideline for drawing up descriptive leaflets for transmitters and transposers for soud and television broadcasting. characteristics to be specified
無線電發射機的測量方法.第12部分:音響設備和電視播放設備用發射機和轉播發射機的散頁說明書起草指南.第1節:規定特性The remote measurement system of the torque was designed, used wireless transmitter and receiver devices to transmit the signals, avoiding the errors which brought by slip ring, and solving the problems that are the space narrowness or connecting difficulty for the moving objects
設計了扭矩遙測系統,使用無線發射接收裝置進行扭矩信號的傳輸,避免由集流環傳輸數據時帶來的誤差,而且解決了空間狹小或是被測物體處于運動之中而導致引線困難等問題。It realizes the functions of storing and transferring the information of fire alarm, displaying time, scanning keyboards, the safe maintenance of system and so on. the part of wireless communication is controlled by at89c2051 mcu, mainly realizing transmitting and receiving data between controller and other detectors. the external signals received by a wireless module are transmitted to mcu through shaping circuit, and the signals of mcu are transmitted by a wireless module through tone modulation circuit
人機交互部分以單片機c8051f020為核心,為用戶提供一個良好的操作環境,實現了火災報警信息的存儲及調用、時間的顯示、鍵盤的掃描、系統的安全維護等功能;無線通信部分由單片機at89c2051來控制,主要實現控制器與其它探測裝置之間信號的無線發射和接收,無線通訊模塊接收到的外部信號經過整形電路送入單片機,單片機發出的信號經過音頻調制再由無線通訊模塊發送出去,這樣實現了數據的無線傳輸;本文還從節能的角度出發,兼顧性能的可靠性,提出了一種合理的無線火災報警的信息傳輸模式。Methods of measurement for radio transmitters - guideline for drawing up descriptive leaflets for transmitters and transposers for sound and television broadcasting - characteristics to be specified
無線電發射的測量方法.第12部分:音響設備和電視播放設備用發射機和換位器的起草說明導則.第1節:規定特性Methods of measurement for radio transmitters ; part 12 : guideline for drawing up descriptive leaflets for transmitters and transposers for sound and television broadcasting ; characteristics to be specified
無線電發射機的測量方法.第12部分:音響設備和電視播放設備用發射機和換位器的草擬說明導則.第1節:規定特性Radar ( radio detection and ranging ) detect the objects in the space and estimate the objects " parameters, such as distance, azimuth, angle of elevation, velocity, by transmitting radio wave. in national economy, it is used in navigation, weather forecast, geological mapping, military affairs and so on
雷達利用發射的無線電波探測空間中的物體並確定其距離、方位角、仰角、速度等各項參數,廣泛應用於導航、氣象預報、地質測繪、軍事等領域。Both wireless transmission of three - channel physiological signal and means of realizing a / d conversion by using caq is described detailedly, schematics, such as wireless transmission schematic, computer interface schematic, is provided
該範例闡述了三道生理信號的無線傳輸及利用計數型模擬量實現a / d轉換的具體方法,同時也給出了無線發射、計算機介面等的原理圖。分享友人