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Modulation in the frequency domain

Frequency-domain equalization for OFDMA-based multiuser MIMO systems with improper modulation schemes

Frequency-domain equalization for OFDMA-based multiuser MIMO systems with improper modulation schemes

... proposed frequency-domain receiver algorithm In the previous section, we presented the conventional linear MMSE solution for the uplink of OFDMA-based multiuser MIMO ...proper modulation, such as ...

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Single channel speech separation in modulation frequency domain based on a novel pitch range estimation method

Single channel speech separation in modulation frequency domain based on a novel pitch range estimation method

... Azar Mahmoodzadeh 1 , Hamid Reza Abutalebi 1* , Hamid Soltanian-Zadeh 2,3 and Hamid Sheikhzadeh 4 Abstract Computational Auditory Scene Analysis (CASA) has been the focus in recent literature for speech separation from ...

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Reference-free determination of tissue absorption coefficient by modulation transfer function characterization in spatial frequency domain

Reference-free determination of tissue absorption coefficient by modulation transfer function characterization in spatial frequency domain

... Spatial frequency domain (SFD) measurement allows rapid and non- contact wide-field imaging of the tissue optical properties, thus has become a poten- tial tool for assessing physiological parameters and ...

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A Frequency-Domain Band-MMSE Equalizer for Continuous Phase Modulation over Frequency-Selective Time-Varying Channels

A Frequency-Domain Band-MMSE Equalizer for Continuous Phase Modulation over Frequency-Selective Time-Varying Channels

... and frequency or the channel parameters ...linear modulation, due to the CPM memory, we need to add some termination symbols at the end of the data block in order to ensure the phase continuity and the ...

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Time and frequency domain methods for quantifying common modulation of motor unit firing patterns

Time and frequency domain methods for quantifying common modulation of motor unit firing patterns

... time domain correlation estimation according to equation ...time domain win- dow includes a greater range of frequencies than this bandwidth, this will bias the time domain estimate to be lower than ...

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Single-RF spatial modulation requires single-carrier transmission: frequency-domain turbo equalization for dispersive channels

Single-RF spatial modulation requires single-carrier transmission: frequency-domain turbo equalization for dispersive channels

... Fig. 4. Maximum achievable limits of our SC-SM-MIMO schemes, employ- ing M = N = 4 transmit and receive antenna elements and 4-, 8-, and 16-PSK modulation schemes. The associated CCMC capacity limit is also shown. ...

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Speech enhancement in the modulation domain

Speech enhancement in the modulation domain

... time-frequency domain algorithms to the modulation domain based on STFT analysis [65, 66, ...time-frequency domain and there is less musical noise in the speech enhanced by these ...

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1 Frequency Modulation (FM)

1 Frequency Modulation (FM)

... Carrier-sinewave frequency 10MHz amplitude 2V p : (b) modulating frequency- sinewave frequency 100kHz, amplitude ...a frequency domain graph signal Magnitude (voltage) versus ...

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Cross Domain Iterative Detection for Orthogonal Time Frequency Space Modulation

Cross Domain Iterative Detection for Orthogonal Time Frequency Space Modulation

... DD domain constellation is Gaussian distributed, iteratively updating the extrinsic information between the time domain and DD domain will not introduce any error performance ...DD domain. ...

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Model-Based Speech Enhancement in the Modulation Domain

Model-Based Speech Enhancement in the Modulation Domain

... the modulation-domain LPC model is ≥ 2 , the prediction gain exceeds 10 dB at most acoustic ...a modulation-domain LPC model of order 3 was used when a speech LPC model was ...these ...

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Orthogonal Frequency Division Multiplexing With Index Modulation

Orthogonal Frequency Division Multiplexing With Index Modulation

... index domain of the OFDM block, the use of a look-up table becomes infeasible; therefore, a simple and effective technique based on combinatorial number theory is used to map the information bits to the subcarrier ...

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Frequency Modulation

Frequency Modulation

... ANGLE MODULATION INTRO TO FREQUENCY MODULATION A major problem in AM is its susceptibility to noise superimposed on the modulated carrier ...first frequency modulation (FM) radio ...

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Frequency Domain Design Frequency Domain Design

Frequency Domain Design Frequency Domain Design

... We next turn to a set of frequency domain integrals which are closely related to the Bode type integrals presented above but which allow us to consider RHP open loop poles and zeros simu[r] ...

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Frequency Modulation PPT

Frequency Modulation PPT

...  Composite baseband signal is then Composite baseband signal is then frequency modulated frequency modulated Left channel Left channel Right channel Right channel + + + + + + mono mono [r] ...

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On the frequency modulation of VLF emissions

On the frequency modulation of VLF emissions

... VLF-wave frequency modulation efficiency as a function of magnetosphere plasma parameters under the weak pitch-angle diffusion regime is ...growth-rate modulation both in the magnetosphere equatorial ...

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Frequency Modulation Lecture Notes

Frequency Modulation Lecture Notes

... 4-4 Bandwidth Requirements for FM A major problem in AM is its susceptibility to noise superimposed on the modulated carrier signal. To improve on this, the first frequency modulation (FM) radio ...

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Joint Acoustic and Modulation Frequency

Joint Acoustic and Modulation Frequency

... Received 30 August 2002 and in revised form 5 February 2003 There is a considerable evidence that our perception of sound uses important features which are related to underlying signal modulations. This topic has been ...

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Recap: Frequency Domain

Recap: Frequency Domain

... They do capture sufficient information for safe driving 99.9% of the time... • On the whole, cameras are a reasonable analogy for eyes[r] ...

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Frequency Domain Design

Frequency Domain Design

... A final development in building the control point of view was the emergence of disturbances and model uncertainty as critical elements in the theory. The simple way of modeling disturbances as deterministic signals like ...

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Frequency Domain Design

Frequency Domain Design

... A final development in building the control point of view was the emergence of disturbances and model uncertainty as critical elements in the theory. The simple way of modeling disturbances as deterministic signals like ...

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