導波無線電 的英文怎麼說
中文拼音 [dǎobōwúxiàndiàn]
導波無線電
英文
guided-wave radio- 導 : 動詞1. (引導) lead; guide 2. (傳導) transmit; conduct 3. (開導) instruct; teach; give guidance to
- 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...
- 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...
- 無線電 : radio; wireless無線電愛好者 radio amateur; amateur radio; 無線電報警 radio warning; 無線電報務員 ...
- 無線 : wireless無線電報 wireless telegram; radiotelegram; 無線話筒 radio microphone ; 無線裝訂 unsewn binding
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Multiferroelectric magnetoelectri materials have a spontaneous polarization that can be reoriented by an applied electric field, a spontaneous magnetization that can be reoriented by an applied magnetic field. these materials have been exploited as transducer, waveguides, switches, phase inverters, modulators, etc. which also find a lot of technological applications in radioelectronics, optoelectronics, microwave electronics in instrumentation
這類材料同時具有鐵電和鐵磁材料的性能可以應用到傳感器,波導器件,轉換器,相位倒相器,變頻器,調節器等,在無線電電子學,光電子學,微波電子學等領域的發展具有重要意義。Evaporation ducts, or tropospheric ducts in general, can guide radio waves to distances far beyond the horizon with less attenuation, and then severely impair some certain radio wave system
以蒸發波導為代表的對流層大氣波導傳播,可使電波在較小的衰減下沿波導傳播得很遠,從而嚴重影響合適的無線電系統。On the base of above it, this paper discuss the synthesis of optimum distributed arrays by nonuniform spacing in the sense of dolph - chebyshev. having derived the equations of optimum element distribution, we analyze the exponentially spaced array, which are optimum when the elements are isotropic and equally weighted, and the array by general raised cosine function. the formulate for estimating the sidelobe envelope, beamwidth of the array pattern and clean region width are obtained
推導了最佳陣元分佈方程,分別對陣元無方向性和等加權時的最佳分散式陣列? ?指數間隔陣列和採用廣義升餘弦加權的最佳分散式陣列進行了分析,推導了天線方向圖旁瓣包絡、波束寬度,干凈掃描區寬度的估計公式,給出了近軸旁瓣電平與陣列參數的關系。Basing on other researchers ’ work, this paper has put forward a novel type of icc ( induced current cancellation ) shielding layer for rfic / mmic performance improvement, to reduce high frequency loss, increase q value, and expand its application frequency range. and present how to realize rfic / mmic components such as i / o pad, inductors, baluns and so on by applying icc shielding layer structures. furthermore co - design methods of ic component structure and foundry process structure designs has been presented in this thesis
在無線通信技術對cmos射頻/微波集成電路需求的大背景下,本論文提出了用於高頻集成電路( rfic / mmic )器件的各類新型icc ( inducedcurrentcancellation ,感應電流相消)屏蔽工藝結構,由此設計製造的ic部件解決了傳統半導體工藝無法實現射頻/微波集成電路的難題,以達到降低高頻集成電路器件的高頻損耗,提高器件q值以及擴寬器件應用頻帶的目的。The dissertation is mainly on the theory and design of the frequency doubler - power amplifier sets of ka - band. in the passive circuit, we analyzed the characteristic of microstrip and coupled microstrip
在無源電路部分,我們首先對微帶線、耦合微帶線的傳輸特性和微帶-波導過渡的基本原理進行了分析。In passive section, above all, i introduce theory about microstrip line. millimeter - wave band - pass filter and wave guide - to - microstrip transition. designing two type of coverer by image - reject mixer and hmc329
無源電路部分,我們首先對傳輸線的種類,耦合微帶線的傳輸特性和微帶波導過渡的基本原理進行了分析。At last, influences of the frequency, source point depth and conductivity ' s are concisely analyzed on low frequency wave ' s propagation characteristics in the earth ' s crust overburden
最後根據模型模擬結果數據,從頻率、源點距地面深度和導電率三方面簡略地分析它們對地殼覆蓋層中低頻無線電波傳播特性的影響。Specification for calculation of interference effects of ac highvoltage overhead power transmission lines on nondirectional beacons
高壓交流架空送電線無線電干擾對中波導航影響的計算規程Specification for calculation of interference effects of ac high voltage overhead power transmission lines on non - directional beacons
高壓交流架空送電線無線電干擾對中波導航影響的計算規程The thin pulses of radio carrier wave cause currents to flow through the nervous system - the result is a remote transmission ; no wires or contact is needed
這個細微的脈沖載波導致電流流到神經系統-結果是一個遠程的傳播,無線或聯系是需要的。2 the electromagnetic compatibility ( emc ) of the new radio induction system is analyzed, this paper studies the affections for the new radio induction system excited by the conductive interference and radiated interference, this paper also studies the affection to the out - space environment excited by the new radio induction system. 3 this paper studies the applications in analog carrier communication for the new radio induction system from the mod - d
2研究了新型無線感應系統的電磁兼容性,分析了傳導干擾對新型無線感應系統的影響,分析了輻射干擾對新型無線感應系統的影響;分析了新西南交通大學博士研究生學位論文第11頁? ? 3主要從調幅( am 、 dsb 、 ssb ) 、窄帶調相( nbpm ) 、窄帶調頻( nbfm )等調制解調中研究了新型無線感應系統在模擬載波通信中的應用並進行了模擬,研究了上述調制解調相應的解調增益。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。According to state - of - the - art of evaporation duct propagation research, and to meet the demands on the prediction techniques of evaporation duct environment and the assessment of radar performance under evaporation duct environment, this dissertation gives a thorough research in depth on the subject described above. the researches include the prediction theory of evaporation duct and its applications, the theory of ray tracing based on which the prediction of radio wave rays are conducted and its application to the predicting of radar range performance under a given evaporation duct, and the characteristics of tropospheric ducts over china
根據上述情況,結合我國盡快得到蒸發波導環境預測技術及在其中運作無線電系統的性能預測技術等需求,本文針對蒸發波導傳播及其相關應用這一熱點難點問題較深入地研究了蒸發波導環境預測技術的理論及其應用、蒸發波導環境中雷達探測性能評估所要求的基本理論之一? ?射線描跡技術及其在代表性蒸發波導環境中雷達探測性能評估技術方面的應用和我國應用所需的我國大氣波導環境特性等幾個方面。Radio navigation makes use of wireless wave, which can be divided into land - based and space - based system according to the position of base point
無線電導航是利用無線電電波的波速進行導航的方法,根據導航基點可分為陸基導航和空基導航。These electromagnetic waves can affect telecommunications, radio broadcast and navigation system on earth. sometimes, charged particles can also endanger the operations of spacecraft and satellites in space, and expose astronauts to higher amounts of radiation
這些電磁波能幹擾地球的廣播通訊及無線導航系統,而帶電荷粒子亦能對航行中的太空船和人造衛星構成危險,也會使太空人處于較高輻射環境中。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。In transmission systems, the structure or path along which the signal is propa - gated, such as wire pair, coaxial cable, waveguide, optical fiber, or radio path
在傳輸系統中可傳播信號的結構或路徑,如導線對、同軸電纜、波導管、光導纖維或無線電路等。Guidance information on the application of capacitors, resistors, inductors and complete filter units for radio interference suppression
抑制無線電干擾用電容電阻電感器及整套濾波裝置的使用導則Decca navigator system : receivers for ships - minimum performance standards - methods of testing and required test results
臺卡遠程連續波相位雙曲線無線電導航系統.船用接收機.最少性能標準.試驗方法和規定的試驗結果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。分享友人