微波電路講義 14-1 Chapter 14 Introduction to Microwave Systems 14.1 System aspects of antennas radiation pattern, directivity, efficiency, gain, temperature 14.2 Microwave communication systems Friis formula, transmitter and receiver, receiver noise characteristics 14.3 Radar systems radar equation 14.4 Radiometry radiometer 14.5 Microwave propagation atmospheric effects 14.6 Other applications and topics microwave oven, energy transfer
15
Embed
Chapter 14 Introduction to Microwave Systemscc.ee.ntu.edu.tw/~thc/course_mckt/note/note11.pdf14-1 微波電路講義 Chapter 14 Introduction to Microwave Systems 14.1 System aspects
This document is posted to help you gain knowledge. Please leave a comment to let me know what you think about it! Share it to your friends and learn new things together.
Transcript
微波電路講義14-1
Chapter 14 Introduction to Microwave Systems
14.1 System aspects of antennas
radiation pattern, directivity, efficiency, gain, temperature
14.2 Microwave communication systems
Friis formula, transmitter and receiver, receiver noise
characteristics
14.3 Radar systems
radar equation
14.4 Radiometry
radiometer
14.5 Microwave propagation
atmospheric effects
14.6 Other applications and topics
microwave oven, energy transfer
微波電路講義14-2
14.1 System aspects of antennas
• antenna characteristics
radiation pattern
directivity
efficiency
gain
equivalent noise temperature
2 * 2( , ) ( , ) ( , ) ( , )F r E H r S
max max
2
4 4 4
( , )sin
e
rad
F F AD
P F d d
in
rad
P
P
DG
(1 )A b pT T T
S
PA l
e
Discussion
1. Ex.14.3 Calculate TA with η=1 and an antenna directivity