For general exploringobjects requirement, narrow pulse signal with tens millimicro second to millimicrosecond has the frequency spectrum from DC to thousands MHz.
按照对地目标探测需要,通常采用纳秒到十纳秒量级电磁探测窄脉冲,信号谱具有从直流低直到千兆赫兹宽带。
For general exploringobjects requirement, narrow pulse signal with tens millimicro second to millimicrosecond has the frequency spectrum from DC to thousands MHz.
按照对地目标探测需要,通常采用纳秒到十纳秒量级电磁探测窄脉冲,信号谱具有从直流低直到千兆赫兹宽带。
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