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БакалаврСтац_702_English.doc
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Examination card № 8

1.

Correlation signal transform and its applications in radiolocation.

2.

Delta modulation.

3.

Performances of emanation of radio transmitters which influence an EMC.

4.

Performance of electronic devices of microwave frequency.

5.

The basic methods of REE diagnosing .

Examination card № 9

1.

Time response of a linear system.

2.

Principle of Doppler systems operation.

3.

Monopoles; antennas of the lower and upper feed, function of a horizontal part of a short monopole.

4.

To record a switching function y=x1x2x1x3x2x3 On AND components, "OR".

5.

Methods of measurement of power. Measurements of power in UHF band.

Examination card № 10

1.

Frequency-modulated signals.

2.

Effective cross section and back scattering pattern of targets

3.

Principal kinds of polarisation of electromagnetic waves and conditions of their excitation.

4.

Principle of operation of magnetron oscillators.

5.

Exponential distribution law of operating time to failure.

Examination card № 11

1.

Power spectrum of signals.

2.

Communication systems with discrete signals, general properties.

3.

Features of demodulation of the single-sideband radio receivers.

4.

To record a switching function y=x1x2x1x3x2x3 On elements "AND-NOT".

5.

Classification of reliability indexes.

Examination card № 12

1.

Spectrums of periodic signals (exponential basis).

2.

Principle of Automatic Direction finding systems operation.

3.

The active area and the effective length of the antenna, radiation resistance.

4.

Principle of operation of a traveling-wave tube.

5.

Measurement of an amplitude modulation index.

Examination card № 13

1.

Concept of an amplitude modulation (AM).

2.

Radar range, radar range equation for the point target.

3.

The directional diagram of antennas. Directive gain and antenna gain.

4.

To record a switching function y=x1x2x1x3x2x3 On elements "OR-NOT".

5.

Strategies of maintenance and repair.

Examination card № 14

1.

Spectrums of discrete signals.

2.

Principles of construction and operation of modern modems.

3.

The active area and the effective length of the antenna, radiation resistance.

4.

Principle of operation of oscillators using gunn diode.

5.

Classification of registers. Shift registers on D-and JK-flip-flops. Applications of shift registers.

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