Karabalkan, Melike Atay
Oner, Mehmet
Matched Filtering is an important part of the radar and sonar systems. Implementation of match filtering in time or frequency domain can be more advantageous due to bandwidth constraints. Another important part in match filtering is unwanted sidelobes. These sidelobes can be detected as a main part of another signal and it can be misleading. In literature, lots of methods have been proposed to reduce sidelobes. Each method has advantages and disadvantages regarding resource usage and speed. In this work, match filtering is implemented in time and frequency domain and then sidelobe reduction techniques are examined. Due to the results the sidelobe reduction methods are added to the filter implementation. Then match filter is implemented as customizable and parametric soft IP core. This IP Core makes easy to implement the match filter in any configuration.


Efficient Methods of Doppler Processing for Coexisting Land and Weather Clutter
Candan, Çağatay; Yılmaz, Ali Özgür (2008-05-30)
The joint suppression of returns from land and weather clutter is required in many radar applications. Although the optimal method of land-weather clutter suppression is known, the solution is usually not practical to implement. In this paper, we propose a method that employs rank-1 and rank-2 approximations on the weather clutter correlation matrix to obtain suboptimal but simpler detectors which are easier to implement. The performance of the proposed detectors is compared with the optimal detector and so...
Performance Comparison of Target Tracking Algortihms in Underwater Environment
Ege, Emre; Saranlı, Afşar (2008-04-22)
Target tracking is one the most fundamental elements of a radar system. The aim of target tracking is the reliable estimation of a target's true state based on a time history of noisy sensor observations. In real life, the sensor data may include substantial noise. This noise can render the raw sensor data unsuitable to be used directly. Instead, we must filter the noise, preferably in an optimal manner. For land, air and surface marine vehicles, very successful filtering methods are developed. However, bec...
An Investigation of beam scanning of arrays on cylindrical, conical and spherical surfaces
Takak, Yücel; Aydın Çivi, Hatice Özlem; Department of Electrical and Electronics Engineering (2015)
Recently, wide angle scanning antennas are often required especially in many radar applications. It is known that planar arrays have limited scan range without beam deformation. In this study design and production steps for wide angle scanning antenna arrays conformed on cylindrical, conical and spherical surfaces that operate at X-Band are investigated. Antenna elements used in these conformal arrays are designed using full wave electromagnetic solver tool HFSS. A MATLAB code for obtaining array patterns i...
Design of an experimental FMCW weather radar
Coşkun, Salih; Yılmaz, Ali Özgür; Koç, Seyit Sencer; Department of Electrical and Electronics Engineering (2015)
FMCW Radars are used in many applications including weather surveillance. Transmitting during the entire observation interval makes them efficient in terms of required power. They are also cheap and easy to implement. This study which was conducted as a master's thesis, is a radar system working at X band. In this system, 0.8 Watts continuous electromagnetic wave which is modulated with a frequency ramp of 30 MHz bandwidth is generated and radiated through the transmit antenna. The scattered signal from the...
Active vibration control of beam and plates by using piezoelectric patch actuators
Lüleci, İbrahim Furkan; Özgüven, Hasan Nevzat; Department of Mechanical Engineering (2013)
Conformal airborne antennas have several advantages compared to externally mounted antennas, and they will play an important role in future aircrafts. However, they are subjected to vibration induced deformations which degrade their electromagnetic performances. With the motivation of suppressing such vibrations, use of active vibration control techniques with piezoelectric actuators is investigated in this study. At first, it is aimed to control the first three bending modes of a cantilever beam. In this s...
Citation Formats
M. A. Karabalkan and M. Oner, “IMPLEMENTATION OF MATCH FILTERS AS IP CORE FOR SONAR APPLICATIONS,” 2015, p. 887, Accessed: 00, 2020. [Online]. Available: