scatter communication 中文意思是什麼

scatter communication 解釋
散射通信
  • scatter : vt 1 散布,撒(種),散播。2 使散亂;逐散,驅散,擊潰;使化為烏有,摧毀(希望等);消除(恐怖等)...
  • communication : n. 1. 通訊,通知;交換;信息;書信,口信,通報。2. 傳達,傳授;傳播;傳染。3. 交通,交通機關;聯系,連絡(設備)。4. 【宗教】接受聖餐。
  1. Transportable troposheric scatter communication equipment

    移動式對流層散射通信設備
  2. General specification for digital troposphere scatter communication systems

    數字對流層散射通信系統通用規范
  3. Scatter communication transmitter

    散射通信發射機
  4. Then we introduce the character of the atmosphere channel, which we emphasized on the atmosphere scatter, absorption and scintillation ' s effect on the laser beam. in chapter, we explain why we used cassegrain telescope to collect the optical signal at first, then the lightsource, detector, front amplifier used in optical communication has been compared to that of fiber communication, the noise including shot noise, thermal noise and background light noise has been explained here for analysis the snr and ber in the next section

    在第三章介紹無線光接入系統的光收發單元,採用多孔徑卡塞格倫式的收發天線對消除減小大氣湍流影響有較大作用,針對大氣通道的特點無線光系統收發單元在光源、光探測器、前置放大電路上存在許多有別于光纖通信的技術,同時還闡述了光接收機包括背景噪聲的噪聲機制和接收靈敏度、誤碼率等指標,最後給出了一個整個傳送鏈路的功率預算。
  5. Design requirements for digital tropsphere scatter communication system

    數字對流層散射通信系統設計要求
  6. To study blue - green laser light scattering and polarization status changes in the ocean, is used to resolve the relative problem of optical communication, detection and imaging under water. in the paper, sea water characteristic of absorption and scatter - ing, and intrinsic optical character and extrinsic optical character of sea water are summed up ; the scattering theories of sea water, including rayleigh scattering, mie scattering by spherical particles and polarization theories of mie scattering, are described in detail

    研究藍綠激光在海水中的散射特性以及由散射引起的退偏現象,是為了解決水下通信、探測、成像的相關問題。本文綜述了海水對光的吸收、散射特性以及海水的內在光學性質和外在光學性質;詳細介紹了海水的散射理論,包括瑞利散射、 mie散射以及mie散射的偏振理論。
  7. According to the features of local substation, such as large - scale network and points, scatter distribution, old - fashioned equipment, much information and complex communication network, it has great economic benefit to search for a kind of comprehensive automation equipment which has less investment, higher efficient and convenient and reliable character, at the same time, the equipment should adapt to the environment of local substation

    根據小區變電所網點多、布局分散、設備陳舊、信息量大、通信網路復雜的特點,尋求一種投資少、見效快、方便可靠的適合小區變電所的綜合自動化設備就具有十分巨大的經濟效益。本文介紹了「配電變電站自動化及其裝置? ?網路儀表」的設計方案。
  8. This dissertation presents the author ' s main contributions in the studies of the sea optical scatter channel by use of monte carlo simulation on the background of airborne oceanic submarine laser communication system. physical and optical properties of physical constituents in sea optical scatter channel are studied and summarized

    本文以機載海洋激光對潛通信系統為背景,分析和概括了海水光散射通道中的各物理成份的物理和光學性質,討論了海水的固有和視在光學性質。
  9. The researches start from the theory of radio scatter, highly generalized the communication terrain and other conditions in some parameters. the digital simulator frame has many distinct advantages such as programmable, various fading model and channel type that can be design freely by user

    模擬器方案具有通道可編程、衰落模型可變、通道類型可變以及可設計出用戶自定義的通道類型和衰落模型等優點,擺脫了以往模擬器設計中使用經驗分佈和經驗公式的作法。
  10. The millimeter has the largest frequency band and the highest velocity of communication, but it has the highest cost and technical defaults : multi - path effect, reflect and scatter caused by cloud, smoke, water - dropping, the buildings, the grounds and its shape, the interference caus ed by the thunder, the complexity of device, difficult maintenance, and so on. now the band of the leakage coaxial line is up to 3ghz, leakage coaxial line has some advantages : good adaptability to cloud, smoke, water - dropping, the buildings, the grounds and its shapes, good steady field, it has some technical defaults : lower resolution for location and measuring velocity, the more complex of its sending - receiving relay devices, weak anti - interference, the strict demand for the hole size in the line, the cleaner work environment and the higher cost

    毫米波具有最大的帶寬和最高的通信速率,但也有最高的成本要求和較難克服的技術問題,即傳播的多徑效應,降水、雲霧、地形、地貌、建築物等的反射散射,打雷時的嚴重干擾,設備復雜,維護困難等等;泄漏同軸電纜的帶寬目前已做到3ghz ,具有對地形地貌建築物的適應性強,場強穩定,但它的定位測速精度低,它的收發中繼設備較復雜,抗干擾能力低,電纜上的開槽有著嚴格的尺寸要求,工作環境要求清潔,成本較高;傳統無線感應技術具有結構簡單,成本低廉,維護方便,定位精度較高的優點,但是,它沒有抗干擾能力。
  11. General specification for movable digital troposphere scatter communication equipments

    數字對流層散射移動式通信設備通用規范
分享友人