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현재위치: > 공학교육장비 > 전자공학
전자공학
Microwave Antennas
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SIC363AC Microwave Antennas

The Microwave Antennas course is designed to teach students the basic design and characteristics of horn and parabolic microwave antennas with emphasis on the calculation and measurement of gains and beamwidths. The components of this course include various types of microwave horns and devices, as well as a 19" parabolic dish with stand. The stand and various fixtures enable the student to measure the gain of a parabolic dish, its focal length, and the beamwidth. A microwave reflector and polarization plane are included with the equipment. The course provides a variety of hands-on activities, covering standing waves in space, reflections and directions of microwave beams, and the effective use of dishes in satellite television, microwave communications, and radar. Also included in this study is path loss and atmospheric noise in microwave communication systems. The course provides for 25 hours of instruction.

EQUIPMENT SPECIFICATIONS
The transmitter module is a low-powered microwave transmitter tuned to 10.5 GHz. Reception is via the supplied field-strength meter.

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S363-1 Parabolic Dish, 19", with Waveguide Detector and adjustable Stand

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S363-2 Transmitter Module, 10.5 GHz, (X-band), with built-in voltage and current
limiter and Gunn Oscillator, 10 mW

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S363-3 Reflector Plane

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S363-4 Polarization Plane

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S363-5 Adjustable Base

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S363-7 Flare-Horn, 8 dB, X-band

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506 Attenuator, 20 dB, X-band

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531 Horn, 10 dB

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532 Horn, 15 dB (2)

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556 Plotting Stands for Horns (2)

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557 Radiation Plotting Chart

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559 Field-Strength Meter with automatic cutoff

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561 Cable, BNC-BNC, RG59, 18"

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SIC365-1 Waveguide Clips

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SIC363M Laboratory Manual, Microwave Antennas

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AC Adapter (by country)

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The equipment is designed to operate on 120/240 VAC, 50/60 Hz.

bullet A power plug adapter is supplied.

LABORATORY MANUAL
The following list of topics indicates the scope of the material and experimentation provided by this course.

  1. Wavelength and Frequency Measurements

  2. Calculated Gain Measurements

  3. Radiated Horn Antenna Gain Measurements

  4. Power Gain and Bandwidth Measurements

  5. Plotting E and H Plane Patterns Horizontally and Vertically

  6. Flare Horn Antenna Measurements

  7. Parabolic Dish Antenna Measurements

  8. Determining the Beamwidth of a Parabolic Dish

  9. Feed-Horns and Phased-Arrays

  10. Path Attenuation and Noise

The course includes an excellent accompanying manual, which is divided into each of the experiments listed above. Each chapter includes theoretical material plus practical measurements the student can perform. None of the mathematics presented should pose a problem to those with a good algebra background.

The Appendix of Technical Data at the end of the manual will prove to be especially helpful to students of antennas and microwave communications.

The principles of Doppler Radar combine with pulse radar to describe the operation of moving targets indicator (MTI) circuitry.

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개인정보관리책임자 :권오성(techsys@techsys.c0.kr) / 대표자(성명):박봉주