Antenna Principle Harbin Institute of Technology Lin Shu

This course is a required course for undergraduate majors in electronic information. The content includes: the basic concepts and theories of antennas; the basic working principles of commonly used linear antennas and their arrays; the measurement principles and methods of the main electrical parameters of antennas, etc. Study this course to master the basic concepts, basic working principles, and basic analysis and measurement methods of commonly used antennas.

• Chapter 1：introduction (10 minutes and 41 seconds)

• Chapter 2：Electric basic oscillator (10 minutes and 6 seconds)

• Chapter 3：Duality principle (5 minutes and 38 seconds)

• Chapter 4：Magnetic elementary oscillator and electric small ring (8 minutes and 42 seconds)

• Chapter 5：direction map (7 minutes and 22 seconds)

• Chapter 6：Directivity coefficient (5 minutes and 51 seconds)

• Chapter 7：Effective length (5 minutes and 19 seconds)

• Chapter 8：efficiency and gain (7 minutes and 16 seconds)

• Chapter 9：Input impedance, polarization, frequency bandwidth (7 minutes and 36 seconds)

• Chapter 10：reciprocity theorem (5 minutes and 25 seconds)

• Chapter 11：Antenna Transceiver Reciprocity (10 minutes and 2 seconds)

• Chapter 12：Effective area and equivalent noise temperature (6 minutes and 46 seconds)

• Chapter 13：Characteristics and current distribution of symmetrical oscillators (6 minutes and 18 seconds)

• Chapter 14：Radiation field of symmetrical oscillator (7 minutes and 27 seconds)

• Chapter 15：Directional diagram of a symmetrical oscillator (7 minutes and 47 seconds)

• Chapter 16：Directivity coefficient of symmetrical oscillator (7 minutes and 18 seconds)

• Chapter 17：Input impedance of symmetrical oscillator (7 minutes and 18 seconds)

• Chapter 18：End effects of symmetrical oscillators (3 minutes and 4 seconds)

• Chapter 19：Feeding method of symmetrical oscillator (6 minutes and 26 seconds)

• Chapter 20：Concept, classification and characteristics of antenna array (7 minutes and 6 seconds)

• Chapter 21：Directional graph multiplication theorem (6 minutes and 17 seconds)

• Chapter 22：Three typical binary arrays (9 minutes and 35 seconds)

• Chapter 23：The concept of uniform linear array (6 minutes and 5 seconds)

• Chapter 24：Common uniform linear array (7 minutes and 16 seconds)

• Chapter 25：Conditions for no grating lobes to appear (4 minutes and 39 seconds)

• Chapter 26：Ideal for antenna effects (10 minutes and 52 seconds)

• Chapter 27：Practical effects on antennas (3 minutes and 50 seconds)

• Chapter 28：Horizontally symmetrical oscillator (11 minutes and 57 seconds)

• Chapter 29：Upright oscillator (10 minutes and 2 seconds)

• Chapter 30：guide antenna (4 minutes and 6 seconds)

• Chapter 31：half wave refracted oscillator (8 minutes and 59 seconds)

• Chapter 32：log periodic antenna (8 minutes and 28 seconds)

• Chapter 33：Helical antenna (6 minutes and 17 seconds)

• Chapter 34：Area antenna examples and equivalent principles (6 minutes and 26 seconds)

• Chapter 35：Panel radiation (13 minutes and 25 seconds)

• Chapter 36：Radiation from a rectangular aperture uniform field (21 minutes and 14 seconds)

• Chapter 37：Rectangular aperture cosine field, circular aperture uniform field (13 minutes and 22 seconds)

• Chapter 38：The influence of aperture field phase difference on radiation (10 minutes and 18 seconds)

• Chapter 39：horn antenna (13 minutes and 17 seconds)

• Chapter 40：rotating parabolic antenna (6 minutes and 39 seconds)

• Chapter 41：Cassegrain Antenna (9 minutes and 37 seconds)

• Chapter 42：Antenna measurement tasks and field division (4 minutes and 13 seconds)

• Chapter 43：Minimum test distance (8 minutes and 37 seconds)

• Chapter 44：Antenna test site and test method (5 minutes and 35 seconds)

• Chapter 45：Pattern measurement (3 minutes and 48 seconds)

• Chapter 46：Gain measurement (7 minutes and 0 seconds)

• Chapter 47：Test antenna impedance with vector network analyzer (7 minutes and 56 seconds)

• Chapter 48：Experiment 1 (11 minutes and 29 seconds)

• Chapter 49：Experiment 2 (11 minutes and 58 seconds)

• Chapter 50：Experiment 3 (11 minutes and 32 seconds)