相当像今 日无线传输主流的 OFDM 技术,将频率选择(frequency selective)的通道转换成 为一组非频率选择的通道和一组与通道相关的纯量乘法器。整个系统的复杂度 和 OFDM 系统是相同的。
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Frequency selective fading 选择性衰减
frequency selective limiter 频率选择限制器
frequency selective voltmeter 选频伏特计 ; 选频电压计
frequency-selective voltmeter 频率选择式电压计
frequency selective level meter 选频电平表
frequency selective level indicator 选频电平指示器
frequency selective amplifier [电子] 选频放大器
frequency selective earphone 选频耳机
Frequency-selective filter 频率选择滤波器
These new resonant cells are greatly reduced in dimensions and very compact in structures, so it is possible to realize the lower frequency selective surface.
这类新型谐振单元尺寸大大缩小,结构紧凑,为低频段的频率选择性表面阵列的实现提供了可能。
A two-ray model is used for the frequency selective fading channel.
频率选择性衰落信道采用了两径模型。
Generally the channel is both frequency selective and time selective.
一般的,信道既是频率选择性的又是时间选择性的。
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