正弦信号[img=79x19]17e0baa297f7d1f.jpg[/img]的象函数X(s)为
未知类型:{'options': ['s+2,Re{s}>;-2', ' [img=36x35]17e0b75220ba02f.jpg[/img],Re{s}>;0', ' [img=40x34]17e0ba9cc664550.jpg[/img],Re{s}>;0', ' [img=43x32]17e0ba9cd96a25c.jpg[/img],Re{s}>;0'], 'type': 102}
未知类型:{'options': ['s+2,Re{s}>;-2', ' [img=36x35]17e0b75220ba02f.jpg[/img],Re{s}>;0', ' [img=40x34]17e0ba9cc664550.jpg[/img],Re{s}>;0', ' [img=43x32]17e0ba9cd96a25c.jpg[/img],Re{s}>;0'], 'type': 102}
举一反三
- 正弦信号[img=83x19]17e4454e0bd5573.jpg[/img]的象函数X(s)为 未知类型:{'options': ['s+2,Re{s}>;0', ' [img=36x35]17e43aedf9e4e94.jpg[/img],Re{s}>;0', ' [img=40x34]17e4454e15d1fc0.jpg[/img],Re{s}>;0', ' [img=43x32]17e4454e202d3a2.jpg[/img],Re{s}>;0'], 'type': 102}
- 衰减振荡信号[img=100x21]17e0ba9c84fb574.jpg[/img]的象函数X(s)为 未知类型:{'options': ['17e0ba9c9ab8d44.jpg,Re{s}>;-1', ' [img=78x40]17e0ba9cb1d9a5a.jpg[/img],Re{s}>;1', ' [img=40x34]17e0ba9cc664550.jpg[/img],Re{s}>;-1', ' [img=43x32]17e0ba9cd96a25c.jpg[/img],Re{s}>;-1'], 'type': 102}
- 增幅振荡信号[img=93x22]17e4454f936b4c3.jpg[/img]的象函数X(s)为 未知类型:{'options': ['s+2,Re{s}>;2', ' [img=36x35]17e43aedf9e4e94.jpg[/img],Re{s}>;-2', ' [img=78x40]17e4454f9dc8dee.jpg[/img],Re{s}>;2', ' [img=78x40]17e4454fa789829.jpg[/img],Re{s}>;-2'], 'type': 102}
- 衰减振荡信号[img=100x21]17e4454f4fd89e4.jpg[/img]的象函数X(s)为 未知类型:{'options': ['17e4454f5a5d8e3.jpg,Re{s}>;-1', ' [img=78x40]17e4454f6450b72.jpg[/img],Re{s}>;1', ' [img=40x34]17e4454e15d1fc0.jpg[/img],Re{s}>;-1', ' [img=43x32]17e4454e202d3a2.jpg[/img],Re{s}>;-1'], 'type': 102}
- 信号[img=29x20]17e0ba9f7cf9cc0.jpg[/img]的单边拉普拉斯变换是 未知类型:{'options': ['17e0ac9593fff8f.jpg,Re{s}>;-∞', ' [img=11x34]17e0aa5da7aae5d.jpg[/img],Re{s}>;-∞', ' [img=36x35]17e0b75220ba02f.jpg[/img],Re{s}>;-2', ' [img=12x17]17e0a6c2a4dabef.jpg[/img],Re{s}>;-∞'], 'type': 102}