Agilent 5991-4107EN Techniques for Precision Validation of Radar System Performance in the Field - Applicati free download

File name 5991-4107EN Techniques for Precision Validation of Radar System Performance in the Field - Applicati

Keysight Technologies Techniques for Precision Validation of Radar System Performance in the Field Using FieldFox handheld analyzers Application Note Introduction This application note provides an overview ating a two-way data link between a ground When maintaining and troubleshooting of field testing radar systems and Line station and an aircraft. Secondary radar radar systems and components in the Replaceable Units (LRU) using high- originated from the Identification Friend or field, it is often necessary to measure performance FieldFox combination analyzers Foe (IFF) radar system developed during both the time domain and frequency having multiple measurement modes includ- World War II and complements the limita- domain performance over a variety of test ing a peak power analyzer, vector network tions of the primary radar. Modern beacon conditions. While traditional methods for analyzer, spectrum analyzer and vector systems, such as the Air Traffic Control measuring time and frequency performance voltmeter. This application note will show Radar Beacon System (ATCRBS), separate of radar systems included 3-4 different several measurement examples of pulsed the interrogation and reply frequencies benchtop instruments, modern "all-in-one" and secondary radar signals and also reviews resulting in stronger received signal levels at or combination analyzers provide the most the basics of monopulse radar. the ground station and improved weather- convenient and economical solution to related performance. field testing. This application note provides Modern radar systems are typically classi- an overview of field testing radar systems fied as ground-based, airborne, ship-based For example, figure 1a shows a field and Line Replaceable Units (LRU) using or space borne. Radars have numerous measurement of a beacon interroga- high-performance FieldFox combination applications including civilian air-traffic tion waveform captured using a peak analyzers having multiple measurement control, meteorology, traffic enforcement power sensor and FieldFox analyzer. The modes including a peak power analyzer, and military air defense. Key aspects of any waveform includes coded-pulse pairs for vector network analyzer, spectrum analyzer radar system include frequency of operation, requesting aircraft identity and altitude. This and vector voltmeter. This application note waveform characteristics and antenna type. time domain measurement display shows will show several measurement examples Unmodulated co