Amplitude and frequency modulated pulse techniques
1. Sidelobe reduction using frequency modulated pulse compression techniques in radar
... Linear Frequency Modulated pulse compression technique results in higher peak side lobe level in the matched filter output which leads to target ...linear frequency modulated ...
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An Investigation of amplitude & frequency modulated screening on dot gain and variability
... This Thesis is brought to you for free and open access by the Thesis/Dissertation Collections at RIT Scholar Works. It has been accepted for inclusion in Theses by an authorized administrator of RIT Scholar Works. For ...
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Radar Pulse Compression Using Frequency Modulated Signal
... with respect to azimuth time at different range bin. Then the signal is passed through FFT and RCMC. After passing it again through IFFT, the final target image is generated. Here range-Doppler correlation function is ...
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Optimising Sidelobes and Grating Lobes in Frequency Modulated Pulse Compression
... LFM pulse, the output of the matched filter suffers from very high range sidelobes as high as −13 ...by amplitude weighting or by frequency weighting [1]. Amplitude weighting is the approach ...
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Chirped and modulated electron pulse free electron laser techniques
... short pulse protein diffraction and ...chirped pulse simula- tions are in good agreement with [1] showing the flexibility of ...higher pulse ener- ...tron pulse is split in a number of chirped ...
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Instantaneous frequency and amplitude of orthocomplex modulated signals based on quaternion Fourier transform
... of amplitude modulation is extended to the case where the modulating signal is complex, and the ‘carrier’ is an orthonormal complex exponential, that is a complex exponential which is in a com- plex plane ...
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Immunity of Operational Amplifiers against High Frequency and High Amplitude Pulse Interferences
... the amplitude of RF interference added to nominal IC signals and the amplitude of the substrate RF voltage ...low frequency parasitic feedback that strongly influence the nominal behavior of the ...
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Pulse Amplitude Modulation & Demodulation
... Abstract At the advent of modern technology, Digital communication is one of the most secure and safe information transmission system in both at work place and at home. Pulse Amplitude Modulation is one of ...
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Techniques for homodyne dechirp on receive linearly frequency modulated radar
... the frequency of the signal to find the range of the reflectors, unless there is only one of them, which is sometimes true, for instance in altime- ters and silo depth ...in frequency and so in range, ...
212
Unipolar-pulse amplitude modulation frequency division multiplexing for visible light communication systems
... orthogonal frequency division multiplexing (ACO-OFDM) has been proposed in visible light communication (VLC) systems to overcome the DC-biased optical OFDM (DC-OFDM) power consumption issue at the cost of the ...
23
Pulse Width Modulated (PWM) Drives. AC Drives Using PWM Techniques
... Flux Vector The flux vector control retains the volts/hertz core and adds additional blocks around the core to improve the performance of the drive. A “current resolver” attempts to identify the flux and torque producing ...
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Pulse-Width Modulated Rectifiers
... A variety of 3øac–dc PWM rectifiers are known; a few of the many references on this subject are listed in the references [42–59]. The most well-known topology is the three-phase ac–dc boost recti- fier, illustrated in ...
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Nerve excitation using an amplitude-modulated signal with kilohertz-frequency carrier and non-zero offset
... TAMS modulated bladder activity similarly to direct pudendal nerve ...low- frequency stimulation using short-duration rectangular pulses, remain largely ...the amplitude of the conventional ...
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Techniques for Effective Optical Noise Rejection in Amplitude-Modulated Laser Optical Radars for Underwater Three-Dimensional Imaging
... In fact, oscillations only show up when the amplitudes V T and V W are comparable. Similar considerations apply to the contrast C and signal-to-optical-noise ratio R, directly related to the accuracy of the 3D imaging ...
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Scaling bat wingbeat frequency and amplitude
... release techniques were used to collect a library of video recordings complete with flight speed ...Wingbeat frequency and amplitude values were determined from a frame-by-frame ...
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Wireless Power Transfer System Using Variable Frequency Asymmetrical Pulse Width Modulated For Multiple Harmonics Analysis
... Variable frequency asymmetrical pulse- width- modulation (VFAPWM) is generally utilized in remote force move frameworks to manage the measure of intensity ...
5
Characterization and Analysis of Frequency Modulated Transmitter
... a frequency modulated (FM) ...resonant frequency of a tank circuit, comprising a five turn coil and a ...carrier’s amplitude constant, while its frequency is varied in accordance with ...
6
Pulse Skipping Modulated Buck Converter Modeling and Simulation
... a pulse skipping modulated buck converter for applications involving a source with widely varying voltage conditions with loads requiring constant voltage from full load down to no load is ...audio ...
6
Power Quality Analysis for Modular Structured Multilevel Inverter with Bipolar Variable Amplitude Multicarrier Pulse Width Modulation Techniques
... multicarrier techniques have been developed to reduce the distortion of outputs in multilevel inverters based on the classical SPWM [7, 8, 10, 11, 15, 16, 20, 21] with triangular ...
7
Amplitude Modulated Noise for Tinnitus Suppression in Tonal and Noise-Like Tinnitus
... tinnitus frequency, respectively centre frequency for noise-like tinnitus (Hz), tinnitus loudness (dB) and tinnitus laterality (0 = left ear; 127 = right ear; thus a value of 63 describes a bilateral ...the ...
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