The upperfrequencylimit 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。
2
Due to the quantization of electromagnetic fields there is an upperfrequencylimit 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。
3
According to wave motion theory, finite element mesh size satisfying the needs of engineering calculating precision is relevant to the upperlimit of frequency range of random (response) problems.