Chirp signal
Dual-Chirp Arbitrary Microwave Waveform Generation by Using a Dual Parallel Mach-Zehnder Modulator Feeding with RF Chirp Signal
... the chirp rate with the same center frequency of 6 ...microwave chirp signal has been generated which has time duration of 1 µ s and bandwidth 2 GHz centred at frequency of 6 ...down chirp ...
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TOA estimation of chirp signal in dense multipath environment for low-cost acoustic ranging
... reference signal for the match- filtering (MF) estimator can be constructed, and a more accurate TOA estimation can be conveniently ...acoustic chirp signal TOA estimation, the accuracy of the ...
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Chirp Signal for Wave Dispersion Relationships and Nonlinear Ultrasonic Damage Imaging.
... input signal such as five-peaked toneburst signal in narrowband ...Pulse signal excited by laser overcame the difficulty but it is uncontrollable in desired ...wideband signal, pulse ...
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Chirp Signal Generator Based on Direct Digitalsynthesizer (Dds) for a Radar At 300 Ghz
... the signal important to zero frequency ...all signal moulding must be performed either at RF or ...the signal is down changed over to a baseband ...
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A Modified Synchronization Method for Bistatic SAR
... receives signal directly from transmitter can also provide synchronization information ...transmitted signal are unknown, and the direct signal has serious saturation, or the gain of the direct ...
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An Underwater Channel Model and Chirp Slope Keying Modulation Scheme Performance
... the signal to be considered wide sense stationary. After adding the chirp signal to colored Gaussian noise, we add white noise to obtain the channel through which our data will be ...The ...
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FPGA Based Realization of Aic for Applying CS to Radar
... of them are briefly summarized as follows. Baraniuk and Steeghs applied CS to SAR imaging with pseudo-noise sequence as transmitted signal [4]. Herman and Strohmer addressed resolution issue of CS based radar in ...
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A DAQ card based mixed signal virtual oscilloscope
... to a digital storage oscilloscope. Trigger implemented enables us to obtain the correct value of the time per- iod and a stable display. Analysis of complex signals can also be performed using this instrument. Fig. 8 ...
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Non-Linear Chirp Spread Spectrum Communication Systems of Binary Orthogonal Keying Mode
... the signal occupies a bandwidth in excess of the minimum necessity to send the information; the band spread is accomplished by means of a code which is independent of the data, and a synchronized reception with ...
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Analysis and application of digital spectral warping in analog and mixed signal testing
... full-swing chirp signal to input of the tested ADC where the frequency sweep of the chirp covers the required range of the dynamic test, while the length of the chirp is determined by the ...
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Radar matched filtering using the fractional fourier transform
... the signal to noise ratio (SNR) in the presence of additive ...transmitted signal is known and may be used as a replica to be correlated with the received signal which can be carried out by ...
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Observations in Respect of Real Time Temporal Cloaking/Uncloaking at Microwave Frequencies
... for chirp signal generation or dispersion compensation which has been widely used in microwave analogue signal processing [14–17] for compressing or expanding time waveforms, which plays the core ...
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Synthetic Aperture Radar (SAR) Signal Generation
... name chirp, or linear frequency ...(LFM) chirp, and phase ...easier signal processing and simpler yet economical hardware ...transmits chirp signal at lower power yet processes the ...
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SISAR imaging - radio holography signal reconstruction based on receiver-transmitter motion
... RHS signal can be almost ideally reconstructed exploiting the extra direct Doppler shift, the two ends ...sided chirp signal, and therefore HT can be applied directly to the received FS ...
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Maintaining acoustic communication at a cocktail party: heterospecific masking noise improves signal detection through frequency separation
... between signal and noise, given by the amount of additional energy in the signal in the narrow frequency band at 2 ...chirper signal, are rather unlikely to play a role at medium to larger ...
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Time-Frequency and Time-Scale-Based Fragile Watermarking Methods for Image Authentication
... In this section we demonstrate the performance of the wavelet-based watermarking method through two appli- cations. In the first application we study the content integrity verification with localization capability. In ...
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Design and Development of a C-Band RF Transceiver for Uavsar
... transmitted signal is fed into the receiver via a delay ...transmitted signal for simulating a single point target. A chirp signal with 80 MHz bandwidth is mixed with a ...GHz signal ...
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Aspects of Radar Imaging Using Frequency-Stepped Chirp Signals
... frequency-stepped chirp signal, the signal band- width can be greatly enhanced, and as a result, the high range resolution can be ...the chirp subpulse ...
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Enhanced monopulse radar tracking using fractional Fourier filtering in the presence of interference
... pulsed chirp signal ) c (t defined in Eq 1 is produced from the waveform generator and is up-converted to the radar carrier frequency, amplified and passed through the duplexer to be ...received ...
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Chirp decoder : influence of noise and reverberation
... Interfering noise was introduced though a separate loudspeaker (Genelec 8030A) for each test. The receiver microphone was placed at 2m distance from both speakers. A sound level meter (Svantek 957) was positioned at the ...
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