[PDF] Top 20 Analysis of Non Linear Frequency Modulation (NLFM) Waveforms for Pulse Compression Radar

... good radar system can detect two or more long distance targets [1], where the distance between each target is very ...in radar system will be separating the closely spaced of targets and it relates to the ... See full document

... Cooperative jamming is a cooperative countermeasure technology. It was developed based on UAV airborne jammers, missiles, or balloon-borne jammers. Since 2000, the Defense Advanced Research Projects Agency (DARPA) has ... See full document

... of radar waveform is needed, that exhibits high SNR and high range ...a Non linear frequency modulated (NLFM) waveform is ...the NLFM and LFM are calculated with the help of ... See full document

... During radar network consideration, multi-static data from the adjacent sites were acquired by changing only channel selection frequency during down ...the radar would have obtained bi- and ... See full document

... 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 ... See full document

... employ pulse compression as it can resolve the contradiction between range resolution and average transmitted power effectively ...transmitted pulse is modulated to attain significant time-bandwidth ... See full document

... the pulse compression radar theory, the sidelobe reduction using nonlinear frequency modulation (NLFM) signal processing represents a major and present research ...efficient ... See full document

... Linear Frequency Modulated pulse compression technique results in higher peak side lobe level in the matched filter output which leads to target ...wise linear frequency ... See full document

... Automatic modulation classification; AMFRR: Autonomous modulation family recognition rate; AWGN: Additive white Gaussian noise; BFC: Binary frequency codes; BPC: Binary phase codes; CFM: Continuous ... See full document

... constant frequency (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 ... See full document

... a pulse compression waveform is a time-bandwidth product that is larger than ...For pulse type waveform, one of the most attractive ways of increasing the time bandwidth product is to use continuous ... See full document

... a NLFM waveform with a custom window was designed by using ...nonlinear modulation was chosen to be ...the NLFM signal, the α was changed as ... See full document

... radio frequency memory (DRFM) [8] and direct digital synthesis (DDS) [9] has become main force to counter coherent ...the radar signal is sampled without distortion, and the sampled signal is processed ... See full document

... flexible frequency functions, we observed from our experiments the polynomial degree higher than 11 did not yield improvements in terms of AC ...the frequency func- tion beyond the allowed bandwidth range ... See full document

... The characteristics of the tunnel diode in fast trigger circuits are studied by plotting the switching waveforms for non linear load and variable input pulse amplitude and shape.. The re[r] ... See full document

... a frequency modulated waveform whose carrier frequency varies linearly with time, over a specific ...in frequency domain. In Non-linear Frequency Modulation the carrier ... See full document

... hybrid modulation scheme consist of the two pair of switches of a single H-bridge, the first pair of switches say s1 and s3 will get commutated by the fundamental pulse width modulation and next two ... See full document

... of NLFM chirp was improved by at least 8 dB when compared with the ISL of LFM ...compressed NLFM chirp was comparable to the LFM ...of NLFM was improved by up to ...of NLFM chirp under a ... See full document

... switching frequency and limits the switching losses to 33% of the conventional ...the modulation implementation, or in other words the proposed SRSPM is applicable to single full-bridge unit ...hybrid ... See full document

... the Linear & Non-linear loads, series conditioner device is capable of generating or absorbing real and reactive power with the help of its essential components, namely power circuit & ... See full document