362 UNIVERSITY OF FLORIDA

 EL. 537.-Transients in Linear Systems. 3 hours, 3 credits. Offered 2.
 Transient analysis of electrical and mechanical systems stressing Laplace transform
methods.
 EL. 539.-Electric Power Circuits. 3 hours, 3 credits. Offered 1.
 Analysis of polyphase networks, including symmetrical component methods.
 EL. 541.-Non-linear Circuits. 3 hours, 3 credits. Offered 1.
 Analytical and topological approaches to non-linear circuits; non-linear resonance;
relaxation oscillations.
 EL. 543.-Communication Lines and Filters. 3 hours, 3 credits. Prerequi-
site: EL. 446 or equivalent. Offered 3.
 Theory and analysis of communication networks; circuits containing transmission
lines and waveguides.

 EL. 545.-Advanced Electron Tube Circuits. 3 hours, 3 credits. Offered 1.
 Advanced treatment of linear and non-linear amplifiers, oscillators, and special
circuits, including high frequency considerations.
 EL. 546.-Advanced Electron Tube Circuits. 3 hours, 3 credits. The second
half of the course EL. 545-546. Offered 2.
 EL. 552.-Theory of Vacuum Tubes. 3 hours, 3 credits. Offered 3.
 Fundamental principles of electronic motion, space-charge effects, and interactions
of electrons with electromagnetic fields; analysis of vacuum-tube operation.
 EL. 554.-Theory of Communication. 3 hours, 3 credits. Offered 1.
 Modulation and detection, signal, spectra, noise, and the transmission of informa-
tion.
 EL. 555.-Electromagnetic Fields and Waves. 3 hours, 3 credits. Pre-
requisite: EL. 464 or equivalent. Offered 2.
 Electromagnetic theory from the engineering point of view; propagation and re-
flection of waves, guided waves, resonant cavities, antennas and radiation.
 EL. 556.-Electromagnetic Fields and Waves. 3 hours, 3 credits. The
second half of the course EL. 555-556. Offered 1.
 EL. 557.-Boundary Value Problems. 3 hours, 3 credits. Prerequisite:
EL. 555. Offered 3.
 Methods of solution of the partial differential equations of electrical engineering
 (Laplace, Poisson, wave equation, heat flow) in various coordinate systems and subject
 to various types of boundary conditions.
 EL. 559.-Statistical Communication Theory. 3 hours, 3 credits. Of-
fered 2.
 Statistical methods in communication theory; statistical characteristics of messages
and noise; correlation functions and spectra; optimum communication systems; rate of
transmission of information.

 EL. 570.-Closed Loop Systems. 3 hours, 3 credits. Prerequisite: EL. 537.
Offered 3.
 Electrical, mechanical, and electromechanical systems in which feedback is used
to modify the system characteristics. Servomechanisms and feedback amplifiers.


The statement "Offered 1" means offered first semester; 2, second semester; 3, summer session.