• No results found

wideband signal

Wideband signal design for over the horizon radar in cochannel interference

Wideband signal design for over the horizon radar in cochannel interference

... This paper considers the problem of OTH radar employ- ing wideband signal for ship detection in wanted bands occupied by cochannel interference. A cognitive wave- form design method called ‘ESBW strategy’ ...

13

Design and Development of Adaptive Prediction Filter for Cancellation of Narrowband Noise Interference in Wideband Signal

Design and Development of Adaptive Prediction Filter for Cancellation of Narrowband Noise Interference in Wideband Signal

... a wideband signal. As for narrowband signal, it is sourced from an external function ...narrowband signal is sourced to the left channel and the adaptive system step size and filter length are ...

9

Fractional difference co array perspective for wideband signal DOA estimation

Fractional difference co array perspective for wideband signal DOA estimation

... the wideband co-array model: to solve the prob- lem of wideband signal DOA estimation, generally, the signal would be divided into many sub-bands with dif- ferent center ...the signal ...

12

The Analysis of the Influence of Random Array Error to Wideband Signal DOA Estimation Reiterative Algorithm

The Analysis of the Influence of Random Array Error to Wideband Signal DOA Estimation Reiterative Algorithm

... This paper proposes an algorithm called wideband signal DOA estimation reiterative algorithm, which is denoted as WSERA and develops from [6], and it is not sensitive to array error. Besides, the impact of ...

12

Collaborative Wideband Signal Decoding using Non-coherent Receivers

Collaborative Wideband Signal Decoding using Non-coherent Receivers

... wider signal bandwidth than the one of the single ...the wideband signal in sub-frequency channels with a small overlap area, and addressed the main challenges to reconstruct the wideband ...

12

Wideband signal detection for cognitive radio applications with limited resources

Wideband signal detection for cognitive radio applications with limited resources

... systems, wideband signals are expected to be used to achieve the required quality of service ...fore, wideband signal detection plays an important role in a wide range of wireless communication ...

10

Ultrasonic determination of the internal structure of solids

Ultrasonic determination of the internal structure of solids

... difficulty of accurate object perception in monochromatic illumination and together with the necessity of a wideband signal if good depth resolution was to be obtained in the proposed sy[r] ...

513

Adaptive Digital Channelization of Sparse Wideband Analog Signals at Sub Nyquist Rate

Adaptive Digital Channelization of Sparse Wideband Analog Signals at Sub Nyquist Rate

... a wideband signal and produces a cross-channel problem due to unknown prior information of the received signals, a method of adaptive digital channelization based on compress sensing (CS) theory is proposed ...

8

Multicoset Sampling Approach in Cognitive Radio for Spectrum Sensing

Multicoset Sampling Approach in Cognitive Radio for Spectrum Sensing

... a wideband of frequencies, over a few GHz. The usual sampling of a wideband signal needs high sampling rate ADCs, which are required to operate at or above the Nyquist ...the wideband ...

9

IJCSMC, Vol. 4, Issue. 4, April 2015, pg.290 – 295 RESEARCH ARTICLE An Architecture for Integrating Low Complexity for Channel filters in Software Defined Radio Receivers

IJCSMC, Vol. 4, Issue. 4, April 2015, pg.290 – 295 RESEARCH ARTICLE An Architecture for Integrating Low Complexity for Channel filters in Software Defined Radio Receivers

... importance in modern software defined radio (SDR) receivers. An SDR receiver typically employs a channelizer to extract multiple narrowband channels from the received wideband signal using digital filter ...

6

Algorithm of the Radar Imaging by Using the Wideband Signals with the Distorted Signal Phases

Algorithm of the Radar Imaging by Using the Wideband Signals with the Distorted Signal Phases

... The problem of restoring an image by its Fourier transform is considered when the Fourier transform contains phase distortions. The nature of these distortions and their values are arbitrary. The criterion for the ...

10

Adaptive digital predistortion for wideband high crest factor applications based on the WACP optimization objective

Adaptive digital predistortion for wideband high crest factor applications based on the WACP optimization objective

... channel distortion components. If compensation is not performed correctly, the error criterion on which to adapt does not represent the true state of linearization and the optimization process converges to a biased and ...

269

Multifunction waveform generator for EM receiver testing

Multifunction waveform generator for EM receiver testing

... The designed frequency range for the CSAMT method is from approximately 0.1 Hz to 10 kHz. The programmable frequency stepping schedule is according to the typical CSAMT frequency stepping schedule used in the field when ...

9

Grid Impedance Estimation Using Several Short-Term Low Power Signal Injections

Grid Impedance Estimation Using Several Short-Term Low Power Signal Injections

... injected signal must be sufficient for an accurate ...injection signal is limited up to ...the signal and in the frequencies of the low energy (usually in high frequencies), estimation is not ...

8

Sparse Representation for Wireless Communications:A Compressive Sensing Approach

Sparse Representation for Wireless Communications:A Compressive Sensing Approach

... a signal to its proper sparse domain is quite essential in many appli- cations that invoke ...In wideband spectrum sensing, spectral signals naturally ex- ploit a sparsity property in frequency domain due ...

25

High resolution radar signal detection based on feature analysis

High resolution radar signal detection based on feature analysis

... The wideband radar signal has random parameters features, and traditional radar signal detection methods mainly detect the low resolution narrowband radar signal, the wideband and high ...

5

Doppler Shift Time Expansion Resolution and Spectral Performance in Wideband Real-Time RF Channel Emulators

Doppler Shift Time Expansion Resolution and Spectral Performance in Wideband Real-Time RF Channel Emulators

... the signal becomes high (over several hundreds of MHz), one of the most important phenomenon to consider is the Doppler spread induced by the channel and traditional narrowband models become ...

12

Design and Analysis of a Novel Electromagnetic Bandgap Structure for Suppressing Simultaneous Switching Noise

Design and Analysis of a Novel Electromagnetic Bandgap Structure for Suppressing Simultaneous Switching Noise

... shown in Figures 5(a) and 5(b). The two inner layers are the power and ground planes, whereas the top and bottom layers are signal planes. A 1-mm-wide transmission line with 50 Ω characteristic impedance guides ...

11

Direct RF Sampling GNSS Receiver Design and Jitter Analysis

Direct RF Sampling GNSS Receiver Design and Jitter Analysis

... The Direct RF sampling prototype presented herein represent a significant step forward compared to previous work as it is the first one reported to have the capability to process the data in real-time. This is ...

16

Generalised ambiguity function for MIMO radar systems

Generalised ambiguity function for MIMO radar systems

... Parallel Signal Processing Centre from 1991 to 1995 and Head of the ICSP from ...in Signal Processing in 2003 and held the Texas Instruments Chair in Signal Processing from ...

16

Show all 10000 documents...

Related subjects