… m ˆ is exactly at or above the level of the noise floor, ie, m ˆ ⩾ β N σ ˆ g . Due to statistical
variations; however, m ˆ may occasionally be below the noise floor. If this is the case, then η ˆ is …

… acoustic noise in a 1.5 T cylindrical MRI scanner … Below 700 Hz there is a substantial dropoff
at low frequencies, which makes it possible to substantially decrease the noise output if MRI …

… Still, if noise reduction measures are not sufficient to reduce the exposure to noise below …
The switching of the readand phase gradients produces the loudest noise during MRI scanning…

… the highest-level gradient noise was below the harmonics in the noise measurements. For a
… were below the fundamental by 33 and 50 dB, respectively.In the imager, noise levels at the …

… noise levels on the systems at and below … , noise levels below 0.5 T could exceed the limits
for staff spending long periods in the scan room. Systems at 1.0 T and above produced noise …

… floor vibration criteria. The building structure required reinforcement to accommodate the MRI
… to a transgenic research mouse vivarium below was prohibited. Methods: Measurements …

… Use the link below to share a full-text version of this article with your … the noise properties
between RSoS and SENSE1 reconstructions. We also show how the elevated RSoS noise floor …

… noise and assurance of air conditioning equipment noise compliance with ASHRAE continuous
noise … reviewed for the floor–ceiling assemblies above and below the MRI rooms, and for …

… systems in both units provide a number of options for MRI RF receiver coils. At KCL loop
receiver coils provided by the MRI manufacturer are used above and below the chest to meet …

… Use the link below to share a full-text version of this article … if retrospective correction for
noise floor effects can reduce … can negatively impact quantitative MRI studies by introducing …