空間無線電波 的英文怎麼說
中文拼音 [kōngjiānwúxiàndiànbō]
空間無線電波
英文
atmospheric radio wave- 空 : 空Ⅰ形容詞(不包含什麼; 裏面沒有東西或沒有內容; 不切實際的) empty; hollow; void Ⅱ名詞1 (天空) s...
- 間 : 間Ⅰ名詞1 (中間) between; among 2 (一定的空間或時間里) with a definite time or space 3 (一間...
- 無 : 無Ⅰ動詞(沒有) not have; there is not; be without Ⅱ名詞1 (沒有) nothing; nil 2 (姓氏) a surn...
- 線 : 名詞1 (用絲、棉、金屬等製成的細長的東西) thread; string; wire 2 [數學] (一個點任意移動所構成的...
- 電 : Ⅰ名詞1 (有電荷存在和電荷變化的現象) electricity 2 (電報) telegram; cable Ⅱ動詞1 (觸電) give...
- 波 : Ⅰ名詞1 (波浪) wave 2 [物理學] (振動傳播的過程) wave 3 (意外變化) an unexpected turn of even...
- 空間 : space; enclosure; room; blank; interspace
- 無線 : wireless無線電報 wireless telegram; radiotelegram; 無線話筒 radio microphone ; 無線裝訂 unsewn binding
- 電波 : [電磁] radio wave; electric wave; hertzian wave
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High voltage shunt capacitor installation is comp - rised of capacitor cabinets or steel racks capacitor, special fuses for capacitor overload protection, capaci - tor discharge device, air - cored reactor which is applied to restrain surge current and high frequency harmonic, zno arrester without gaps for overvoltage - limiting and high voltage vacuum switch etc. capacitor cabinet is
高壓並聯電容器成套裝置主要由電容器櫃或鋼架電容器電容器過負荷保護專用熔斷器放電裝置專用放電線圈或電壓互感器,抑制涌流限制高次諧波的空芯電抗器和限制過電壓的無間隙氧化鋅避雷器及高壓真空開關For a x - directed line current with lengh much smaller than a wave length, the e - field pattern on coordinate planes in 3 - d space in the region from much smaller than line length to one or two wave length, the synthesized pattern by summation of the field of many line segments of hertz dipoles is independent of the number of segments, i. e. same field as a single hertz dipole
以水平面上三角形甚小於波長線電流為例,分割為若干小段之赫芝偶極所加總合成在三度空間任意座標平面上距離從甚大於線長到一兩個波長區域之電場場型與分割小段數量無關,即等同於一單一赫芝偶極之場型。Magnetron has filamentary cathode with small time hearting, the shielded cathodic site, liquid and air cooling, and also the filter built - in by radio
該磁控管具有加熱時間短的陰極,屏蔽陰極,液體和空氣冷卻,內建無線電濾波。Specification for calculation of protecting distance for ac high voltage overhead power transmission lines to shortwave radio direction finding stations and receiving stations
交流高壓架空送電線對短波無線電測向臺站和收信臺站保護間距的計算規程Do any of these radio waves sweeping through space to the earth contain a message ?
在飛越空間到達地球的這些無線電波中,是否可能有一些電波包含著某一種信息呢?The system uses the permanent magnet synchronous machine as the driver motor based on the idea of polygonal flux linkage locus and the permanent magnet brush - less motor is as the momentum balance motor by means of speed and current loop in order to track driver motor precisely and rapidly. the harmonious control of driver motor and balance motor is realized by making full use of the dsp hardware resource and complicated programmable logic device. the software design is composed of c and assembly language to realize motor control arithmetic of polygonal flux linkage locus
衛星天線伺服控制系統以正弦波永磁同步電機作為驅動電機,採用多邊形磁鏈軌跡法(電壓空間矢量法)的控制策略;動量平衡電機採用永磁無刷直流電機,通過電流環、速度環達到快速、精確跟蹤驅動電機的目的,確保了衛星姿態恆定;設計方案中充分利用了dsp硬體資源和復雜邏輯陣列實現了驅動電機和平衡電機的協調控制,並通過c語言和匯編語言的混合編程實現了電機的多邊形磁鏈軌跡控制演算法。The paper contains all kinds of knowledge related to the system, including maxwell electromagnetic theory, pattern of optical radiation in space, channel model of atmosphere communication, computer communication protocols, wireless lan communication protocols, medium access control protocol, carrier sense multiple access / collision detection protocol, manchester coding theory, pulse position modulation coding theory and so on
主要包括: maxwell電磁理論;發送光場模型;空間通道模型;計算機網路通信技術:無線局域網通信技術;媒體訪問控制規程( mac ) ;載波檢測多址接入碰撞檢測規程( csma cd ) ;曼徹斯特編碼與ppm編碼技術等。Not particularly through radio communication, except on certain wave lengths that are absorbed by the atmosphere. but as points of departure for exploration they ' ll be very useful
不是,尤其不能用無線電聯系,除非通過某些可以被大氣層吸收的波長進行聯系。至於從科學探索的角度出發,這些空間站是非常有用的。Because of radio wave propagating along the ducts with enhanced fields on the order of the free - space field, the problems of the co - channel interference are more complicate for communication systems with the results of intersystem interference and the formation of other system, and therefore affecting the determination of the coordination distances or the optimization of the distribution and separation of delay, and for surveillance system such as radar system the problems can be radar holes or the extensions of detect range
對于通信電路,它使系統間的相互干擾問題變得復雜,既可能幹擾其他系統又可能形成另外的系統,從而影響系統的有關參數如中繼電路的最佳組合(分佈、間隔)和協調距離,對于探測系統產生的則是雷達空洞、超視距探測等問題。這些問題對相關無線電系統特別是軍事應用系統可能是致命的,因而以波導傳播為代表的反常傳播特性研究受到極大重視。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。Fig. 3 integrated wind profiler and rass at sha lo wan. the rectangular antenna in the middle transmits and receives radio waves
中間的長方形天線作用是發放和接收無線電波,周邊的四個圓柱形擴音器則向空中發出聲波。Frequency sharing criteria between line - of - sight radio - relay systems and space radiocommunication systems
視距微波接力通信系統與空間無線電通信系統共用頻率的技術要求In future information society, space optical communication will replace radio frequency ( rf ) & microwave communication as dominant position in field of wireless communication because of it ' s unparalleled advantage
在未來的信息社會中,空間光通信技術因其無可比擬的優勢,將取代目前無線電( radiofrequency - rf )和微波通信在無線通信領域中的主導地位。The fcc will vote tomorrow on whether google ' s plan or that of large telecom firms will apply to the upcoming auction of wireless radio space known as the 700 mhz band
撲滅將于明天表決是否谷歌的計劃或大型電信企業將適用於即將舉行拍賣無線空間稱為700兆赫波段分享友人