When Journey to the West encounters the Red Mansion, when Brother Monkey encounters Jia Baoyu, both of whom are the Sky-Mending Divine Stone, what kind of sparks will be created? Brother Monkey, one is so big and Jia Baoyu is so small. What is the relationship between the two of them? Let's see it together
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9. The definition and physical meaning of S parameters of three-port network, the correct one is ( ).
A: S33 is a 3-port connected to a matching load. The reflection coefficient of the 3-port is:
B: S13 is the transmission coefficient from port 3 to port 1 when port 2 is connected to a matching load:
C: S21 is the voltage transfer coefficient from port 1 to port 2 when port 1 is connected to a matching load;
D: When the terminal load of ports 1 and 3 changes, it will affect S22.
9. The definition and physical meaning of S parameters of three-port network, the correct one is ( ). A: S33 is a 3-port connected to a matching load. The reflection coefficient of the 3-port is: B: S13 is the transmission coefficient from port 3 to port 1 when port 2 is connected to a matching load: C: S21 is the voltage transfer coefficient from port 1 to port 2 when port 1 is connected to a matching load; D: When the terminal load of ports 1 and 3 changes, it will affect S22.