单边带调制简介：滤波法
根据经验法则，实际滤波器的可实现过渡区域约为其截止频率的1%。基于此，截止频率约为60 kHz。换句话说，如果滤波器的可用过渡带为600 Hz，边带滤波器的考虑将最大载波频率限制在约60 kHz。
The Clinton Herald22 小时Opinion
Of pesticides, school funding and lack of transparency
I knew absolutely nothing about SSB 1051/SF 394 (the Pesticide Bill) and during an early legislative forum, another local ...
WA Senate passes $78.5 billion operating budget, including major tax increases
Democrats in the Washington State Senate passed a $78.5 billion operating budget on Saturday that Republicans say relies on ...