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IEEE 291-1991

$112.67

IEEE Standard Methods for Measuring Electromagnetic Field Strength of Sinusoidal Continuous Waves, 30 Hz to 30 GHz

Published By Publication Date Number of Pages
IEEE 1991 61
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Revision Standard – Inactive-Withdrawn. Two standard methods for field-strength measurement are described. The standard-antenna method consists of measuring the received power or open-circuit voltage developed in a standard receiving antenna by the field to be measured and computing the field strength from the measured voltage and the dimensions and form of the standard antenna. The standard-field method consists of comparing voltages produced in an antenna by the field to be measured and by a standard field, the magnitude of which is computed from the dimensions of the transmitting antenna, its current distribution, the distance of separation, and effect of the ground. The measurement procedures are outlined, including calibration of commercial field strength and extension of the methods to microwave frequencies. Methods for measuring power radiated from an antenna under several different conditions are briefly presented, and the important considerations for securing useful and accurate measurements are described.

PDF Catalog

PDF Pages PDF Title
1 Title Page
3 Foreword
Participants
5 CONTENTS
7 1. Introduction
1.1 General
1.2 Symbols and Units
9 1.3 Terms Used in This Document
10 1.4 Complications That are Avoided
1.5 Equipment for Measurement of Field Strength
11 1.6 Factors Affecting the Units Used for Reporting the Results of Field Strength Measurements
14 1.7 Division into Frequency Ranges
15 1.8 Calibration Procedures and Standards
16 2. Methods of Measuring Field Strength
2.1 General
19 2.2 Field Strength Calibrations Using Loop Antennas, 30 Hz to 30 MHz
24 2.3 Field Strength Calibrations Using Dipole Antennas, 3 MHz to 1 GHz
30 2.4 Field Strength Calibrations Using Monopole Antennas, 30 kHz to 300 MHz.
32 2.5 Field Strength Calibrations Using Aperture Antennas, 200 MHz to 30 GHz.
43 2.6 Electrical and Magnetic Field Probes as Transfer Standards
45 3. Using Field Strength Measurements to Determine the Power Radiated From an Antenna
3.1 General
3.2 Effective Radiated Power for a Ground-Based Vertical Monopole Antenna
50 3.3 Ground-Wave Effective Radiated Power Measurements Above 5 MHz
52 3.4 Effective Isotropically-Radiated Power for Ionospheric Wave Transmission
4. Transmitting Antenna Effectiveness in Ground-Wave Transmission and Equivalent Gain
4.1 Relative Communication Efficiency (RCE)
53 4.2 Equivalent Gain
5. Miscellaneous
5.1 Presentation of Field Strength Measurement Data
54 5.2 Automatic Recording of Data
5.3 Accuracy of Field Strength Measurements
57 6. Bibliography
IEEE 291-1991
$112.67