by Published for and on behalf of Advisory Group for Aerospace Research & Development, North Atlantic Treaty Organisation, by Gordon & Breach in New York, London .
Written in English
Includes 2 contributions in French.
|Statement||edited by W.T.Blackband.|
|Series||AGARDograph -- no.100|
|The Physical Object|
|Number of Pages||608|
Novel Radar Techniques and Applications presents the state-of-the-art in advanced radar, with emphasis on ongoing novel research and development and contributions from an international team of leading radar experts. Each section gives an overview of the latest research and perspectives of the future, and includes a number of chapters dedicated to specific techniques in conjunction with. Radar and ARPA Manual focuses on the theoretical and practical aspects of electronic navigation. The manual first discusses basic radar principles, including principles of range and bearing measurements and picture orientation and presentation. The text then looks at the operational principles of radar systems. Advances in Unmanned Aerial Vehicle (UAV) technology have enabled wider access for the general public leading to more stringent flight regulations, such as the “line of sight” restriction, for hobbyists and commercial applications. Improving sensor technology for Sense And Avoid (SAA) systems is currently a major research area in the unmanned vehicle community. Radar and ARPA Manual provides essential information for professional mariners, including those on training courses for electronic navigation systems and professional certificates internationally. Reference is made throughout to IMO (International Maritime Organization) Performance Standards, the role of radar in navigation and in collision.
Radar detection. Assessments of radar detectability and detection range are accomplished via numerical simulation. In Table 1, the range at which the probability of detection equals was calculated assuming a non-fluctuating target (this is why the UHF frequency band was chosen), with the signal-to-noise ratio at target range R. Book 1 “Radar Basics” processing techniques. Some laws of nature have a greater importance here. Basic Principle of Operation Radar measurement of range, or distance, is made possible because of the properties of radiated detection) and to determine its location. The contraction implies that the quantity measured is range. Advanced Radar Techniques Automatic detection and tracking with built-in global land mass rejection capability reduces operator workload in blue water and the littorals with low false alarm rates Frequency agile waveforms covering MHz bandwidth enhances detection and reduces false returns High-range resolution with duty cycle pulse. Tracking Process. Depending on the antennas rotation rate and pulse repetition frequency of radar it will illuminate targets on a number of transmissions (see: dwell time and hits per scan in chapter “Basics”). In each range cell on each pulse period the signal processing decides whether a target is present, and if so produces a partial report, which defines the information available for.
Chapter 8 - Navigation Techniques Using Radar and ARPA Pages The various ways in which the Navigator uses the radar, ARPA and (to a very limited extent) AIS equipment to monitor the progress of the vessel are covered in this chapter. • With regard to radar, high gain and narrow beams are desirable for long detection and tracking ranges and accurate direction measurement. 4/2, effective area = aperture area efficiency (0 1) h t gne l ev wa/, e e GA AA A cf πλ ε εε λ = = =≤≤ = Low gain High gain (Small in wavelengths) (Large in wavelengths) ANTENNA DIRECTIONAL. Radar System (AIRS) / 42 Filtering, Detection, and Tracking Algorithms and KB Processing / 44 Future work / 49 Target Matched Illumination / 49 Spectral Interpolation / 49 Bistatic Radar and Passive Coherent Location / 50 Synthetic Aperture Radar / 50 Resource Allocation in a Multifunction Phased Array. Tracking and weapons-control radar systems commonly use mechanical elevation scanning techniques. This requires moving the antenna or radiation source mechanically. Most air search radars use electronic elevation scanning techniques.