narrow-band channel 中文意思是什麼

narrow-band channel 解釋
窄頻帶通道
  • narrow : adj 1 狹 窄 狹隘的 狹小的 （opp broad wide）。2 有限的 受限制的；有偏見的 氣量小的 心眼兒窄的；眼...
  • band : n 1 帶，繩；帶形物；箍；箍條；嵌條；鑲邊；鋸條； 〈pl 〉 （法官等的）寬領帶。2 束縛，羈絆；義務；...
  • channel : n 1 水路，水道，渠，溝；海峽；河床，河底。2 （柱等的）槽，凹縫；【機械工程】槽鐵，凹形鐵。3 〈比...
  1. Design of super narrow band and comb - shaped multi - channel photonic crystal filters

    超窄帶和梳狀多通道光子晶體濾波器設計
  2. Video coding realization in narrow band channel is a hotspot in video processing field

    甚低碼率視頻圖像編解碼技術是近年來視頻處理領域的一個研究熱點。
  3. The millimeter wave diplexers used in the ka - band satellite communications are investigated. these diplexers are of high working frequency, narrow passband and high selectivity, which demands the channel filters good performance

    所研究的毫米波雙工器工作頻率高（接近40ghz ） ，收發通道帶寬窄、接收頻率和發射頻率間隔很小。
  4. This task uses the ds - ss technology, and researchs the important technologies, such as synchronization of ds - ss, rake receive, narrow - band interference suppression, etc. these technology are useful for the voice - band channel of hf. i designed one system of very low bit rate for hf data communication, and completed the softwave module design of the system. i get the result of system ' s simulator, it ' s useful for the system realization

    根據短波音頻帶寬通道的特點，重點對系統的擴頻同步技術、 rake接收技術和窄帶抗干擾技術進行了專題的研究。並根據自己多年的科研經驗，設計了一種具有實際意義的短波最低限度通信系統，並對實際的軟體實現進行了模塊化的設計。
  5. The principles of adaptive star - qam and the optimum constellation of star qam are given. in adaptive single - carrier modulation, a blind modulation detection algorithm based on higher order cumulants ( hoc ) for aqam and apsk is proposed. the excellent detection performance of algorithm is evaluated in gaussian and narrow - band rayleigh fading channel

    對自適應單載波和多載波調制中的調制方式盲檢測演算法進行了研究；在自適應單載波調制中，研究了窄帶通道下的aqam調制原理和aqam調制最佳星座圖結構；在rayleigh通道下和高斯通道下，提出一種基於高階累積量的aqam和adpsk調制方式盲檢測演算法，演算法具有良好的檢測性能。
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