SAE ARP 958 : 2003

Table of Contents

1 Scope
1.1 Purpose
1.2 Applicable Antennas
1.3 General Background and Limitations
2 References
3 Rationale for Approach
3.1 Antenna Factor
3.2 General Antenna Gain
3.3 Using Two Identical Antennas
3.4 Gain and 1 m Gain
3.4.1 Need for Gain and 1 m Gain
3.4.2 Distance for Gain Measurements
3.4.3 Distance for 1 m Gain Measurements
3.4.4 Necessary Number of Measurements
3.5 Determining Antenna Factors
3.5.1 Antenna Factor For Gain (AF1)
3.5.2 Antenna Factor For 1 m Gain (AF2)
3.5.3 Calculation
3.6 Use of Antenna Factor
3.6.1 Correction of Signal Levels
3.6.2 Polarization Considerations

Abstract

Illustrates method for the checkout and calibration of electromagnetic interference measurement antennas. Its primary application is for use when measuring a source 1 m from the antenna in a shield room versus a source at a greater distance (far field).

General Product Information

Published
Document Type	Standard
Status	Current
Publisher	SAE International
Pages
ISBN
Committee	AE-4