frequency selectivity中文什么意思

發(fā)音:

用"frequency selectivity"造句

頻率選擇性

frequency: n. 1.屢次，頻仍，頻繁。 2.(脈搏等的)次數(shù)，出現(xiàn) ...
selectivity: n. 1.選擇；精選。 2.【無線電】選擇性；選擇度；【 ...
adjacent frequency selectivity: 鄰近頻率選擇性; 相鄰頻率選擇性
high frequency selectivity: 高頻選擇法
high-frequency selectivity: 高頻選擇法

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例句與用法

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Low losses and frequency selectivity at the same time
能，低消耗和同步的頻率選擇功能。
Acent frequency selectivity
鄰近頻率選擇性
Much attention has been paid to it , because the system can achieve better performance than conventional cdma in high data applications and it is potentially robust to channel frequency selectivity
Cdma技術和ofdm技術結合產生了多載波cdma系統(tǒng)，它很好地解決了高速數(shù)據(jù)業(yè)務下傳統(tǒng)cdma系統(tǒng)性能下降等一系列問題。
Finally , this thesis put forward the application of frequency diversity reception to the counteraction against the frequency selectivity decline in the airborne oceanic submarine laser communication system , and whose capability graph is educed through the simulation on the computer
文中提出把頻率分集接收技術應用于對潛通信中，以達到抗頻率選擇性衰落的目的，并通過計算機模擬得出了其性能曲線。
Stfs is a good coding arithmetic which is simple and easy to realize . moreimportantly stfs has higher diversity order and encoding gain than sts at the samesymbol rate . it can repel channel fading , improve data rate and wireless systemcapacity availability , stand against frequency selectivity fading , eliminate theintersymbol interference
該編碼算法不僅在方法和原理上簡單,而且易于實現(xiàn),在相同符號率下比空時擴頻具有更大的分集度和更高的編碼增益,能有效抵抗信道衰落、提高數(shù)據(jù)速率、提高無線系統(tǒng)容量、很好的對抗頻率選擇性衰落和消除符間干擾。