... upper cut-off frequency 上限截止频率,通带上限 upper frequency 上频率 upper half-power frequency 半功率频率上限 ...
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upper frequency limit [电子] 频率上限
upper cut-off frequency [物] 上限截止频率 ; 上限截频 ; 下限截止频次 ; 通带上限
upper frequency of picture signal 图象信号的最高频率
upper resonant frequency 共振频率上限
upper half-power frequency 半功率频率上限
The upper frequency limit and some factors affecting noise output power of microwave solid state noise diodes are discussed.
讨论了微波固体噪声二极管使用频率的上限和影响噪声输出功率的因素。
Due to the quantization of electromagnetic fields there is an upper frequency limit in the spectrum of any finite energy transmitted by an electromagnetic system.
由于电磁场的量子化效应，电磁系统发射有限能量的电磁场，其频谱必有一高频率上限。
However, extending the upper frequency of such function signal generator is limited by the read-out time of the memory and the conversion rate of the digital-to-analog converter.
可是，这种信号发生器的上限频率的提高受存储器的读取时间和数模转换器的转换速度的限制。为了提高数字法函数信号发生器的上限频率，我们提出了用分布存储式数字法生成函数信号。
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