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Noise floor

Effects of image reconstruction on fiber orientation mapping from multichannel diffusion MRI: reducing the noise floor using SENSE

Effects of image reconstruction on fiber orientation mapping from multichannel diffusion MRI: reducing the noise floor using SENSE

... the noise in modern, multi-channel ...the noise properties can influence the noise floor, the minimum measurable signal in the absence of any true signal ...the noise floor is ...

15

Stacked search for gravitational waves from the 2006 sgr 1900+14 storm

Stacked search for gravitational waves from the 2006 sgr 1900+14 storm

... Figure 1. SGR 1900+14 storm light curve with 1 ms bins as seen by the Swift BAT detector in the (15–100) keV band (Barthelmy et al. 2005). Bottom plot shows a detail. Burst start times are estimated by fitting the ...

7

Effects of transients in LIGO suspensions on searches for gravitational waves

Effects of transients in LIGO suspensions on searches for gravitational waves

... FIG. 3. Typical amplitude spectral density (ASD) for the Y-arm input test mass suspension (ITMY) longitudinal motion monitors during the first Advanced LIGO observing run. The spec- tra below the suspension resonances ...

33

Automatic Gain Control ADC
based on signal statistics
for a cognitive radio
cross correlation spectrum analyzer

Automatic Gain Control ADC based on signal statistics for a cognitive radio cross correlation spectrum analyzer

... a noise floor uncertainty, causing a SNR wall ...lower noise power and large ADC input range are advantages of rectangular dither, but the noise uncertainty is a ...

139

Sideband Noise Mitigation in a Co-Located Network Involving CDMA2000 and WCDMA System

Sideband Noise Mitigation in a Co-Located Network Involving CDMA2000 and WCDMA System

... sideband noise emission [11]. The emissions are due to the non-linearity and noise generated inside the power amplifier, and may appear as a “skirt” or “shoulders” when observed through the power spectrum ...

8

A Preliminary Analysis of Wind Retrieval, Based on

A Preliminary Analysis of Wind Retrieval, Based on

... The relationship between cross-pol images of Wave Mode and system noise floor, wind vectors 426. and satellite geometry parameters is also investigated[r] ...

19

Feasability study of frequency doubling using a dual edge method

Feasability study of frequency doubling using a dual edge method

... low noise CMOS Frequency Doubler in CMOS ...phase-noise floor, 10 kHz flicker noise corner frequency and reference spurs at the synthesizer output should be smaller than -80 dBc, within a ...

63

Energy Detector in Cognitive Radio for TV White Spaces by Software Defined Radio

Energy Detector in Cognitive Radio for TV White Spaces by Software Defined Radio

... To capture the results, the frequency range of 506 to 512 (MHz) is shown, although the analysis and the sensing were performed for each of the TV channels by analyzing their respective frequencies, this band of ...

5

Vibration-tolerant narrow-linewidth semiconductor disk laser using novel frequency-stabilisation schemes

Vibration-tolerant narrow-linewidth semiconductor disk laser using novel frequency-stabilisation schemes

... frequency noise PSDs taken, and the linewidths ...frequency noise PSD of the system using the fibre loop as a reference cavity is shown, as well as the noise floor of the detector and the ...

8

Spread Spectrum Is Good-But it Does Not Obsolete NBC v. U.S.!

Spread Spectrum Is Good-But it Does Not Obsolete NBC v. U.S.!

... Radio interference remains a genuine problem--and neither using spread spectrum nor keeping the potentially interfering signal below the noise floor eliminates interfe[r] ...

19

Directional versus Omni Directional Antennas for UWB Imaging

Directional versus Omni Directional Antennas for UWB Imaging

... Currently, Ultra Wideband (UWB) imaging is considered a promising method since the power level is below the noise floor, it is easy and safe to be built and used [1]-[4]. In this method, UWB signals are ...

6

Title: An Effective Approach for Error Reducing Framework for Localizing Jammers in Wireless Networks

Title: An Effective Approach for Error Reducing Framework for Localizing Jammers in Wireless Networks

... Abstract— In wireless sensor networks (WSNs), jamming attacks have become a great concern recently. Finding the location of a jamming device is important so as to take security actions against the jammer and restore the ...

8

Directional flow sensing by passively stable larvae

Directional flow sensing by passively stable larvae

... List of symbols larval shell length rotation frequency Hz noise floor of propulsive force estimates velar propulsive force vector acceleration due to gravity distance between centers of [r] ...

11

Analysis and evaluation of uncertainty for conducted and radiated emissions tests

Analysis and evaluation of uncertainty for conducted and radiated emissions tests

... Modern self-calibration test equipment can hold the uncertainty of measurement at the instrument input to within ±1dB. To fully account for the receiver errors, its pulse amplitude response, variation with pulse ...

33

Smartphone based Improved Floor Determination Technique for Multi-Floor Buildings

Smartphone based Improved Floor Determination Technique for Multi-Floor Buildings

... proposed floor deter- mination technique is evaluated and compared with existing ...highest floor estimation accuracy of ...the floor estimation error corresponding each multi-floor building ...

5

Zigbee Technology for Wireless Sensor Networks (WSN) and application in automatic car parking system

Zigbee Technology for Wireless Sensor Networks (WSN) and application in automatic car parking system

... Abstract — Automatic multi-stored car parking system is very good substitute for car parking area in the era of miniaturization, where space has become a very big problem. It’s become a very crucial necessity to avoid ...

7

5818.pdf

5818.pdf

... Previous studies by Howard-Jones and Rosen (1993) and our lab (Ozmeral et al., 2012) have shown MR for speech in the presence of Async maskers. In the Howard-Jones and Rosen study, speech and maskers were presented ...

114

Fall Risk in Older Adults Transitioning between Different Flooring Materials

Fall Risk in Older Adults Transitioning between Different Flooring Materials

... different floor coverings affects gait characteristics of older ...carpeted floor to a vinyl floor, and also whether trip probability would be greater when transitioning from a vinyl floor to ...

8

Original Article Efficacy of pelvic floor reconstruction combined with pelvic floor rehabilitation instrument on MMP-7, TIMP-1 and pelvic floor dysfunction in women

Original Article Efficacy of pelvic floor reconstruction combined with pelvic floor rehabilitation instrument on MMP-7, TIMP-1 and pelvic floor dysfunction in women

... [10]. Secondly, Pelvic Organ Prolapse Quantita- tion (POP-Q) system of the two groups before treatment, 3 and 6 months after treatment were compared; POP-Q System of American College of Obstetricians and Gynecologists ...

8

Jazz as inspiration

Jazz as inspiration

... and contained two type as drastically and The floor the floor the qualities of the floor mind when aesthetics of question angled cast shadow created a piece how the thoughtfully as This [r] ...

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