A.單位沖激函數(shù)B.周期沖激串函數(shù)C.階梯信號(hào)D.單位階躍信號(hào)
A.采樣示波器B.頻閃效應(yīng)C.實(shí)時(shí)示波器D.大蓬車輪效應(yīng)
A.1/(100k)B.200kC.100kD.1/(200k)