fading spectrum信息详情
[通信]衰落频谱
fading───n.褪色;衰退;凋谢;(信号)时强时弱;v.逐渐消失;使衰落;褪色;(鲜花)枯萎;(赛马)落后;淡入;(非正式)接受打赌(fade的现在分词)
spectrum───n.光谱;频谱;范围;余象
fading in fading out───淡入淡出
fading out───淡出(fadeout的现在分词)
spectrum auction───频谱拍卖
spectrum webmail───光谱网络邮件
enthusiasm fading───热情消退
fading light───褪色的光
aromantic spectrum───芳香光谱
statistic model of air-ground radio communication channel is characterized by the multipath fading, Doppler power spectrum and delay power spectrum.───空地通信信道的主要统计特性包括多径衰落特性、多普勒功率谱和时延功率谱。
The biggest merit of OFDMA is the ability to resist frequency - selective fading, simultaneously can raise the frequency spectrum efficiency effectively.───OFDMA的最大的优点是能够抵抗频率选择性衰落,同时能够有效地提高频谱效率。
This new scheme has the advantages of high spectrum efficiency and suppression of multipath spread, frequency selective fading, jamming and noise.───该体制具有较高的频率利用率,可有效地抑制短波信道中多径时延、频率选择性衰落、人为干扰与噪声带来的不利影响。
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