画出下列各信号的波形(式中 [tex=4.357x1.357]0pRu6w8JATbqB0JhfLguxTHgIrFiednPVn+MCSfoNjw=[/tex]为斜升函数).[tex=8.429x1.357]f4tfji/NTXP8y7iUHyX23WdXmL+2zRh6og9EKfeeiOE=[/tex]
举一反三
- 画出下列各信号的波形(式中 [tex=4.357x1.357]0pRu6w8JATbqB0JhfLguxTHgIrFiednPVn+MCSfoNjw=[/tex]为斜升函数).[tex=7.929x1.357]BPSKsr0JsAF0Re6F7SyqjAN2US5PyZIMpXWm+U/NTLQ=[/tex]
- 画出下列各信号的波形(式中 [tex=4.357x1.357]0pRu6w8JATbqB0JhfLguxTHgIrFiednPVn+MCSfoNjw=[/tex]为斜升函数).[tex=7.929x1.357]wv2IDmRY5PGChyEA3rusjRLGP/puuB0rDBZMLW0Zhtw=[/tex]
- 开出下列各信号的波形(式中 [tex=4.357x1.357]0pRu6w8JATbqB0JhfLguxTHgIrFiednPVn+MCSfoNjw=[/tex]为斜升函数)。[tex=14.143x1.357]Hk360dmEOh/gUe+DpZzr1ywa+LRjcHPW1OtQrE4EaYk=[/tex]
- set1 = {x for x in range(10)} print(set1) 以上代码的运行结果为？ A: {0, 1, 2, 3, 4, 5, 6, 7, 8, 9} B: {0, 1, 2, 3, 4, 5, 6, 7, 8, 9,10} C: {1, 2, 3, 4, 5, 6, 7, 8, 9} D: {1, 2, 3, 4, 5, 6, 7, 8, 9,10}
- set1 = {x for x in range(10) if x%2==0} print(set1) 以上代码的运行结果为？ A: {0, 2, 4, 6} B: {2, 4, 6, 8} C: {0, 2, 4, 6, 8} D: {4, 6, 8}