ECE 3105程序讲解、辅导Java，Python编程语言解析Haskell程序|讲解留学生Prolog

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ECE 3105 HW 1 Due: 05/27/2021
1. The attenuation coefficient, phase constant, and characteristic impedance of a transmission
line are: 0      1 Np / m, 2 rad / m, and Z 40 . Assuming that 6  10 rad / sec ,
determine the transmission line parameters R, L, C, and G .
2. Using the T model of transmission line, derive the governing equation for the voltage and
current: 
3. A 75-ohm resistive load is preceded by a /4 Section of a 50-ohm lossless line, which itself
is preceded by another/4 Section of a 100-ohm lossless line. What is the input impedance?
4. A lossless transmission line with a characteristic impedance of50  is terminated in a short
circuit ( 0 L Z  ). Determine,
(a) the input impedance at a distance 2.8 from the load,
(b) the distance from the load at which the input impedance is j25 .
5. A lossless transmission line with characteristic impedance Z 50 0   and phase velocity
8 v 3 10 m / sec p
  is powered by a voltage generator with 9 vt t g ( ) 5cos(2 10 ) V    and
internal impedanceZ 50 . g   Assuming that the line length is 5 cm and the load impedance
is Z 100 100 L   j , determine (a) reflection coefficient at the load, (b) input impedance at
the input of the line, and (c) the voltage and current phasors at the input of the line.

ECE 3105程序讲解、辅导Java，Python编程语言 解析Haskell程序|讲解留学生Prolog

ECE 3105程序讲解、辅导Java，Python编程语言解析Haskell程序|讲解留学生Prolog