National Aviation University

Chair of aviation radioelectronic complexes

Branch 0907 ” Radioengineering”

“Approved”

Head of the AREC Department

____________ I.Prokopenko

National Aviation University

Chair of aviation radioelectronic complexes

Branch 0907 ” Radioelectronics”

“Approved”

Head of the AREC Department

____________ I.Prokopenko

1.

Spectrums of periodic signals (exponential basis).

2.

Principle of operation, simplified diagram and critical parameters of the non-coherent pulse radar

3.

Essence of direct and inverse problems of electrodynamics. Features of their solution..

4

Critical parameters and performances of radio transmitters.

5

Classification of reliability indexes.

1.

Frequency response (characteristic) of a linear system

2.

Compression of voice signals.

3.

4.

5.

Problems of an electromagnetic compatibility (EMC) of radio electronic tools (RET). Interconnection of a problem of EMC with safety of flights of a civil aviation.

Advantages and disadvantages of an amplitude modulation(AM).

The main demands to an output resistance of the amplifier.

1.

Spectrums of sampled (discrete) signals

2.

The air navigation terms and definitions.

3.

Lens and optical-type antennas.

4.

Advantages and disadvantages of frequency modulation.

5.

The block diagram of digital instrumentation. Performance of separate units.

1.

Classification of radio signals.

2.

Principle of operation, simplified diagram and critical parameters of the coherent - pulse radar

3.

Physical essence of the basic equations of electrodynamics (Maxwell's equations).

4.

Features of superheterodyne receiver.

5.

Complete calculation of REE reliability.

1.

1. Spectrum analysis of nonperiodical signals.

2.

Advantages and disadvantages of pulse-code modulation.

3.

Normative base of division of radiofrequency resources and problem of EMC RET.

4.

Methods of providing selectivity of adjacent and image chanels.

5.

Measurement of parameters of electrical signals with the help of the oscillograph. Performances of different units.

1.

Spectrums of periodic signals (trigonometric basis).

2.

Basic principle of radionavigation systems operation

3.

Radiation field of a symmetrical half-wave dipole.

4.

Functions and types of automatic gain control.

5.

Errors of digital instrumentation and systems and methods of their reduction

1.

Spectrums of periodic signals (trigonometric basis)

2.

Sounding radar signals, their parameters

3.

Excitation of electromagnetic fields by elementary radiators (the electrical dipole, a hertz doublet, a frame with an electric current, an element of Huygens).

4.

Functions and types automatic frequency controls.

5.

List and definitions of failure-free operation indexes.