vhf transmission 中文意思是什麼
vhf transmission
解釋
甚高頻傳輸- vhf : vhf ＝ very high frequency 【無線電】甚高頻。
- transmission : n 遞送；傳遞；傳達；傳染；移轉；【機械工程】傳動；傳遞；變速器；聯動機件；【無線電】傳送；發射；...
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The multipath interference, resulted from interfering between the signals of the line of sight ( los ) and the line of ground reflection in vhf - rc, makes bit error rate of data transmission increased and system reliability attenuated
當前，中國水波中繼通道以直視路徑傳播為主，同時存在地面折射路徑對直射信號產生干涉，造成多徑干擾。這種干擾使得信號傳輸的誤碼率上升，系統可靠性下降。 -
Operational trials on the transmission of automatic terminal information service ( atis ) and automatic volmet broadcasting service ( avbs ) information via vhf and satellite datalinks were conducted in may 1999, with favourable responses received so far
一九九九年五月，本處更利用甚高頻及衛星數據鏈路測試自動航站情報服務和自動氣象情報廣播的訊息發放，迄今的測試效果令人滿意。 -
Based on the analysis of vhf - rc, the method of applying chaos direct sequence spread spectrum communication ( cds - ssc ) to ahts has been studied and discussed in this thesis. in this method, cds - ssc, which combines chaos sequences ( cs ) of high rand quality with ds - ss excelling in resisting interferences, is used to realize the transmission of hydrologic data
文中所述方法利用混沌直接擴頻通信的通信方式來實現水文數據的傳輸，即將隨機性能較強的混沌序列作為擴頻碼與抗干擾性較強的直接擴頻通信相結合，應用於水文自動測報系統中去。
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