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very low signal-to-noise ratio

Robust Frame Synchronization for Low Signal to Noise Ratio Channels Using Energy Corrected Differential Correlation

Robust Frame Synchronization for Low Signal to Noise Ratio Channels Using Energy Corrected Differential Correlation

... with low signal-to-noise ratio (SNR) as well as with a large amount of frequency offset, which necessitates a robust correlator structure for the initial frame synchronization ...for low ...

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A Robust and Higher Precision Time Delay Estimation Method Facing Low Signal to Noise Ratio Conditions

A Robust and Higher Precision Time Delay Estimation Method Facing Low Signal to Noise Ratio Conditions

... strong noise and ...fractional low-order covariance algorithms and proves fractional lower-order algorithm is the more ...impulse noise, estimation accuracy is higher than covariation method and ...

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A Low-Signal-to-Noise-Ratio Sensor Framework Incorporating Improved Nighttime Capabilities in DIRSIG

A Low-Signal-to-Noise-Ratio Sensor Framework Incorporating Improved Nighttime Capabilities in DIRSIG

... Urban glow is the term for the light from large cities that is scattered by the atmosphere back down to earth. In an urban area, only the brightest stars are visible in the night sky due to the overwhelming ux from ...

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Eddy-covariance data with low signal-to-noise ratio: time-lag determination, uncertainties and limit of detection

Eddy-covariance data with low signal-to-noise ratio: time-lag determination, uncertainties and limit of detection

... instrument noise follows a Gaussian dis- tribution which is not always the ...at low mean concentrations may be log-normally distributed: concentrations are not constrained towards larger values, but cannot ...

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The Trojan Horse Method as a tool for investigating astrophysically relevant fusion reactions

The Trojan Horse Method as a tool for investigating astrophysically relevant fusion reactions

... To overcome such difficulties related to both the very low signal-to-noise ratio (as due to Coloumb penetrability in the entrance channel) and the electron screening phenomenon, the Trojan[r] ...

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A SURVEY OF SPECTRUM SENSING TECHNIQUES FOR COGNITIVE RADIO NETWORKS

A SURVEY OF SPECTRUM SENSING TECHNIQUES FOR COGNITIVE RADIO NETWORKS

... a very active innovative area in recent ...at very low signal-to-noise ratio (SNR) and unsure noise interference in wireless ...

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Intuitive and Reliable Estimates of the Output Gap

Intuitive and Reliable Estimates of the Output Gap

... Figure 7 presents the out-of-sample forecasting results for the U.S inflation. As in the case of forecasting output growth, the BN filter estimate of the output gap does relatively well. In particular, imposing a ...

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A Comparative Analysis of Noise Reduction Filters in MRI Images

A Comparative Analysis of Noise Reduction Filters in MRI Images

... when signal to noise ratio (SNR) is low, the noise in MR magnitude images follows a Rician distribution, which is signal ...Rician noise. To analyze the noise free ...

5

Optimal visualization of the cerebrospinal fluid on MRI

Optimal visualization of the cerebrospinal fluid on MRI

... For short TRs the signal-to-noise ratio is better for the calculated images mainly because the signal intensity is low and the extrapolation from an accurate data set can produce a bette[r] ...

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Signal to noise ratio estimation using the Expectation Maximization Algorithm

Signal to noise ratio estimation using the Expectation Maximization Algorithm

... NDA signal, the blue curve is the CRLB for DA signal, and the black curve shows the MSE estimated using the EM ...for low SNR estimate values, the MSE is large compared with the NDA ...

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A Low Complexity Based Spectrum Monitoring in Broad Band Applications

A Low Complexity Based Spectrum Monitoring in Broad Band Applications

... the very high-frequency/ultrahigh-frequency bands that are currently al-located for TV broadcasting services and other services, such as wireless ...the signal- to-noise ratio (SNR) of the ...

8

“Analytical Method Validation Parameters: An Updated Review” by Lavanya Chowdary G, Ravisankar P, Akhil Kumar G, Mounika K, Srinivasa Babu P, India.

“Analytical Method Validation Parameters: An Updated Review” by Lavanya Chowdary G, Ravisankar P, Akhil Kumar G, Mounika K, Srinivasa Babu P, India.

... baseline noise. Determination of the signal- to-noise ratio is performed by comparing measured signals from samples with known low concentrations of analyte with those of blank samples ...

7

A Review on Extended Golay Encoder and Decoder Design

A Review on Extended Golay Encoder and Decoder Design

... average ratio (PTAR). This can be achieve to obtain low complicity Golay sequence coder in order to provide optimal de-correlation between signal and ...

5

A RISK MITIGATION DECISION FRAMEWORK FOR INFORMATION TECHNOLOGY ORGANIZATIONS

A RISK MITIGATION DECISION FRAMEWORK FOR INFORMATION TECHNOLOGY ORGANIZATIONS

... desired signal and the output of adaptive filter, c(n). This error signal is fed back to the adaptive filter and its coefficients are updated algorithmically in order to minimize difference parameter, known ...

10

Ultrasound Image Compression Using SVD and Evaluation of Image Characteristics

Ultrasound Image Compression Using SVD and Evaluation of Image Characteristics

... as signal to noise ratio (SNR), peak signal to noise ratio (PSNR), root mean square error (RMSE), and mean absolute error (MAE) are estimated for compressed image with respect to ...

6

ROF V/s Traditional Fiber as a Backhaul Technology: Comparisons of Cellular and Ethernet Networks based on SNR and Capacity

ROF V/s Traditional Fiber as a Backhaul Technology: Comparisons of Cellular and Ethernet Networks based on SNR and Capacity

... Both graphs show the relationship between fiber lengths in km and signal to noise ratio in decibel. In graph x-axis is represented by fiber length and y-axis is represented by signal to ...

5

An experimental investigation of very low frequency semiconductor noise

An experimental investigation of very low frequency semiconductor noise

... source vol tage supply regul ators insi de the temperature control led oven, recording of the supply voltages and noise source temperaturps during the enti re experiment so that the cont[r] ...

309

Genetic analysis of olfactory behavior in Drosophila: a new screen yields the ota mutants.

Genetic analysis of olfactory behavior in Drosophila: a new screen yields the ota mutants.

... Rationale in design of paradigm: A major consid- eration in the design of the paradigm described here is the signal-to-noise ratio. Assays with higher signal-to-noise ratios [r] ...

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A study of symmetric-pair antenna arrays for direction finding and communications

A study of symmetric-pair antenna arrays for direction finding and communications

... It is also interesting to notice th a t two im portant developments for direction finding were reported in the same journal w ithin m onths of each other, and the combination of both solved some of the most notorious ...

235

lec-9 (Transmission Impairments)

lec-9 (Transmission Impairments)

... If the strength of incoming signal is P and the noise in the channel is N then the signal-to-noise ratio, S/N, is given by the formula;. S/N = Power/Noise and in decibels;[r] ...

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