Pulse Compression
Some Aspects of Sidelobe Reduction in Pulse Compression Radars Using Nlfm Signal Processing
... the pulse compression radar theory, the sidelobe reduction using nonlinear frequency modulation (NLFM) signal processing represents a major and present research ...
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An Adaptive Pulse Compression Filter for Ultrasound Contrast Harmonic Imaging
... ideal pulse compression ...the pulse compression filter should be designed differently for bubbles with different sizes and predicts that there will be compression loss for the ...
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Ultra-short pulse compression using photonic crystal fibre
... The pulse compression characteristics afforded by the PCFs would therefore significantly enhance the capabilities of existing commercial laser sources for high-resolution multi-photon fluorescence ...
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Detection of rebars in concrete using advanced ultrasonic pulse compression techniques
... In this work, PuC and an original imaging procedure will be used to accomplish the above goal, using (i) a pair of broad-bandwidth piezocomposite transducers to excite the concrete sample under test by longitudinal ...
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Low Power LFM Pulse Compression RADAR with Sidelobe suppression
... coded pulse compression technique to describe the signal returns accurately from the distributed weather targets and the procedure involves the improvement of previous works by considering the effect of ...
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1. Comparative analysis of performance of phase coded pulse compression techniques
... RADAR is used in military for surveillance, controlling and guiding weapons, for navigation of ship etc. In many of these applications, system employs pulse compressed waveform good performance. Lewis B.L. and ...
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Fourphase Pulse Compression Sequences Generated using Chaotic Maps
... Pulse compression has been extensively used in operational radar systems since 1950s to solve the practical problem of extending the operating radar range while maintaining the required range accuracy and ...
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Investigation of Non-linear Chirp Coding for Improved Second Harmonic Pulse Compression
... the pulse compression of the second harmonic chirp signal by reducing the range sidelobes ...with pulse inversion tech- nique was used for overlap harmonic ...
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Compressive sensing in distributed radar sensor networks using pulse compression waveforms
... (CF) pulse wave- form design and proposed Maximum-Likelihood (ML) automatic target recognition (ATR) approach for both nonfluctuating and fluctuating targets in a network of multiple radar ...the pulse ...
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1. Sidelobe reduction using frequency modulated pulse compression techniques in radar
... radar. Pulse Compression is a signal processing technique that utilizes the benefits of high range resolution ability of short duration pulse and large range detection ability of long duration ...the ...
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Contrast-Enhanced Ultrasound Imaging with Chirps: Signal Processing and Pulse Compression
... performing pulse compression with the fractional Fourier transform (FrFT) and the Fan Chirp Transform (FChT) techniques [20], ...a pulse compression system with chirp excitation and a matched ...
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Optical Pulse Compression and its Effects Using Fiber Bragg Grating
... optical pulse compression using FBGs with exponentially decreasing second-order dispersion allows nearly pedestal-free pulse compression in a short length, leading to a novel all-fiber ...
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Pulse Compression of Linear Frequency Modulation Signals in Presence of Phase Truncation
... Echo signal will be produced by DDS model above and modulated by a target model, which is set to be a stationary point target and 60000 meters away from the radar. FFT of the reversed and conjugated echo signal is ...
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Reduction in sidelobe and SNR improves by using Digital Pulse Compression Technique
... Digital pulse compression is the technique to convert short pulse to long pulse because energy content of long pulse with low peak power would be the same with short pulse having ...
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Pulse Compression Techniques for Target Detection
... lobes. Pulse compression radar waveforms offer several advantages over uncompressed ...In pulse compression technique within transmit power limitations; range, Doppler resolution and target ...
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Multilevel Linear Fm Pulse Compression Radar Signals Simulator
... received pulse. The output of the pulse compression filter signal of moving and fixed targets appears as a compressed pulse with side ...compressed pulse is equal 1 B (5μs) which is ...
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Fast implementation for modified adaptive multi pulse compression
... In this paper, we propose a modified adaptive multi- pulse compression (MAMPC) algorithm to obtain both good estimation performance and small amount of cal- culations. Unlike [21], we also consider clutter ...
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MAJOR ASPECTS THAT ARE CONSIDERED FOR A PULSE COMPRESSION TECHNIQUE
... Radar pulse compression, Phase Coded pulse compression ...codes. Pulse compression is a method which combines the high energy of a longer pulse width with the high ...
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Assessment of Weighting Functions Used in Oppermann Codes in Polyphase Pulse Compression Radars
... If the phases of subpulses in phase coded pulse compression are other than the binary phases of 0 and π , then the phase codes are called polyphase codes. They have lower sidelobes than binary codes and are ...
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FPGA Implementation of the Ternary Pulse Compression Sequences
... This architecture generates 3 N Ternary sequences of length N. For all these 3 N sequences it calculates the sidelobe energy values, identifies and holds the sequence with minimum sidelobe energy. The sequence generator ...
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