By P. Lacomme, J. C. Marchais, J. P. Hardange, E. Normant
This new name presents a finished account of the present kingdom of the most varieties of airborne and spaceborne radar structures. each one method is roofed when it comes to the fundamental radar rules, services and homes, in addition to the radar's function in the total approach and challenge. Given altering operational necessities, the authors additionally give some thought to how radar could evolve into the longer term. The ebook advantages from the data of the writer workforce, who're operating in a firm thought of to be a centre of excellence for advertisement radar development.
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Extra info for Air and Spaceborne Radar Systems (Radar, Sonar, Navigation and Avionics Series)
Despite its complexity and importance within the weapons system, radar is only a part of the system. It can therefore only be designed in relation to the missions, carriers, weapons, specific functions, and performance requirements. 2. 2 General Architecture The aim of this book, which is devoted entirely to radar, is not to analyze every possible mission and function of radar systems. Indeed, this vast subject is under continual development, and definitions vary according to the air force and country in question.
1 Carriers This book is concerned only with platforms that can be equipped with radar. In a military context, these platforms include the following: • • • • • • satellites aircraft helicopters active homing head missiles (seekers) Unmanned Air Vehicles (UAV) smart munitions With regard to civilian platforms, only the first three are relevant to this study. 2 Weapons A wide and ever-increasing range of aeronautical weapons has been developed: • • • • • • • • • • guns rockets conventional bombs (smooth, braked, anti-runway) laser-guided missiles or bombs Air-to-Air missiles Air-to-Ground missiles Air-to-Sea missiles cruise missiles lethal UAVs etc.
It imposes an upper limit on the frequency band used for any given application. /DFRPPH5DGDUERRN 3DJH 0RQGD\ )HEUXDU\ 30 46 Part I — General Principles Chapter 1 showed how choosing a high frequency helps increase antenna gain. A trade-off must be reached based on the desired application: • • • • For ground-based radars or air-surveillance radars on large platforms, you can use large antenna. You can therefore stay in S- or L-band (10 or 23 cm), especially as the long range increases the chances of encountering rain or fog.