Low signal to noise ratio
INTEGRATED TECHNIQUES FOR DETERMINING THE VELOCITY FUNCTION IN THE SEISMIC REFLECTION: EXAMPLE OF LOW SIGNAL-TO-NOISE DATA
... with low signal-to-noise ratio, is commonly undertaken to ameliorate the quality and reliability of the seismic ...step to any data processing is the seismic velocity ...
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A Three-Microphone Adaptive Noise Canceller for Minimizing Reverberation and Signal Distortion
... these signal components (also called signal crosstalk or signal leakage) at the reference input is a practical concern because it causes cancellation of a part of the original speech signal at ...
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Immunohistochemical evaluation of cardiac connexin43 in rats exposed to low-frequency noise
... The signal intensity threshold value of 140 on the 0 – 255 scale was identified to distin- guish Cx43 from other ...with signal intensity between 0 and 140 were con- sidered gap junctions at the ...
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Voice acoustic profi le of males exposed to occupational infrasound and low-frequency noise
... S/Z ratio are complementary measures that reflect the efficient coordination between the respiratory and phonatory ...measures to changes in laryngeal/ respiratory system coordination, and the specific ...
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A New Efficient Approach for Designing FIR Low-pass Filter and Its Application on ECG Signal for Removal of AWGN Noise
... proposed to design an FIR ...possible to change the spectral characteristics of the ...compare to the commonly used Gaussian and Kaiser windows, while featuring ...roll-off ratio of the ...
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A low-noise CMOS front-end for TOF-PET
... allow to abut verti- cally the amplifiers in a multi-channel ...output signal and measures the ratio between the peak output voltage and the total rms output noise voltage on the same ...input ...
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A Computationally Efficient Filter for Reducing Shot Noise in Low S/N Data.
... filter to fMCI ...mean signal, the mean amplitude of calcium transients that occurred in individual cells, before (abscissa) and after Okada filtering ...background noise level, the SDs in ...
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Blue whales respond to anthropogenic noise.
... (for low-frequency) for ...ship noise using the custom-made software program Triton ...using low- frequency long-term spectral averages and wav files, noting the time period when they occurred, with ...
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A comparative study using both coded excitation and conventional pulses in the evaluation of signal to noise ratio sensitivity and axial resolution in ultrasonic A-mode scan
... of low cost ultrasound equipment and studying different approaches to obtain good quality images, we carried out a comparative study between both CEP and CP tech- niques interacting on a scattering medium ...
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A Signal-to-Noise Ratio Estimator for Generalized Linear Model Systems
... Figure 4 shows the distributions of the corrected and uncorrected SNR estimates. The uncorrected SNR estimates systematically overestimate the true SNR (Fig. 4, column one). For the first neuron (Fig. 4, row one) the ...
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Innovative low noise surfaces - comparison of damping and absorption
... due to its elastic and resilient properties, which gives a higher viscosity to the binder, and thus a greater resistance to cracking and fatigue and greater durability of the mixture ...layers ...
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Model of a benefit/cost ratio analysis for comparison of environmental noise barriers
... barrier to which a numerical value is ...0 to 1 with 1 being the highest possible (the best) ...adds to the total benefits of a barrier or it simply ...
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Engineering low-noise gene expression systems for single-molecule experiments
... Plasmid engineering began with plasmids previously described (Hensel, Z., 2017). Briefly, a plas- mid was synthesized by Genewiz (New Jersey, USA) by inserting a synthetic sequence into the pUC57- Amp vector. The ...
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Low frequency electric current noise in glioma cell populations
... challenge to electrophysiology, especially in the ...electrodes to record the electrical response of cultured glioma ...suggested to partially retain these electric ...extremely ...
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Peak to Average Power Ratio Reduction of OFDM Signal by Combining Clipping with Walsh Hadamard Transform
... applied to constellations symbols before the IFFT to reduce the correlation among the input ...applied to this complex vector which transforms this complex vector into new vector of length L that can ...
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Periodic Noise Suppression from ECG Signal using Novel Adaptive Filtering Techniques
... ANC to be feasible, the reference input must be correlated with the noise part of the primary input in order to cancel the noise ...the noise part of the primary input, ANC cannot ...
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Trade-offs and noise tolerance in signal detection by genetic circuits.
... the noise in biochemical reactions, this system is also able to filter fluctuations for high–frequency oscillations by the mechanism discussed in the previous Section (noise filter range is marked ...
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Design of Low Noise Microwave Amplifiers Using Particle Swarm Optimization
... needed to be optimized at a single frequency. In order to do this, a search for the length parameters directly which will satisfy the desired gain at the desired predetermined frequency is ...checked ...
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A 2-12 GHz Low Noise Amplifier Design for Ultra Wide Band Applications
... solution to the Radio Frequency (RF) spectrum drought by allowing new services to coexist with other radio systems with minimal or no interference (Mir-Moghtadaei et ...
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Evaluating the use of ECG signal in low frequencies as a biometry
... susceptible to frauds (Singha, Singhb, & Guptac, ...easy to be employed as a biometry. According to Odinaka et ...ECG signal has been studied as a biome- try for more than one decade and ...
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