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Showing 1 - 20 results of 458 for search '(( query modeling algorithm ) OR ((( element method algorithm ) OR ( element rf algorithm ))))', query time: 0.52s Refine Results
  1. 1
    Calibration capacitors (see Fig 2C), phases for the benchtop test, and <i>S</i><sub><i>nn</i></sub> scattering parameters with analogous phase MRI calibration values for each element of the 4-channel PTX coil configuration.

    Calibration capacitors (see Fig 2C), phases for the benchtop test, and <i>S</i><sub><i>nn</i></sub> scattering parameters with analogous phase MRI calibration values for each eleme... by Maryam Arianpouya (12299222)

    Published 2024
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  2. 2
    Geometric and algorithmic solutions to the generalised alibi query

    Geometric and algorithmic solutions to the generalised alibi query by Arthur Jansen (17809244)

    Published 2024
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  3. 3
    Proposed and existing workflows to obtain RF-shim PTX in safe mode.

    Proposed and existing workflows to obtain RF-shim PTX in safe mode. by Maryam Arianpouya (12299222)

    Published 2024
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  4. 4
    Low-SAR |B1+| maps.

    Low-SAR |B1+| maps. by Maryam Arianpouya (12299222)

    Published 2024
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  5. 5
    Temperature measurement at the wire tip during TSE MRI using the standard bases (“Channel coordinate”), low-SAR bases and safe-mode PTX MRI with channel settings determined in the existing and proposed workflows.

    Temperature measurement at the wire tip during TSE MRI using the standard bases (“Channel coordinate”), low-SAR bases and safe-mode PTX MRI with channel settings determined in the... by Maryam Arianpouya (12299222)

    Published 2024
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  6. 6
    Scattering parameters (<i>S</i>-Matrix) of the simulation model and the experimental bench setup using the 4-channel PTX coil configuration.

    Scattering parameters (<i>S</i>-Matrix) of the simulation model and the experimental bench setup using the 4-channel PTX coil configuration. by Maryam Arianpouya (12299222)

    Published 2024
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  7. 7
    |B1+| and |E| maps using the standard basis.

    |B1+| and |E| maps using the standard basis. by Maryam Arianpouya (12299222)

    Published 2024
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  8. 8
    Simulation model and experimental setup.

    Simulation model and experimental setup. by Maryam Arianpouya (12299222)

    Published 2024
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  9. 9
    Line plots of ||.

    Line plots of ||. by Maryam Arianpouya (12299222)

    Published 2024
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  10. 10
    Mean and maximum |B1+| values calculated over the Region of Interest (ROI) for the simulated and experimental |B1+| maps, and associated temperature elevations ΔT as achieved with the <i>C</i> (<i>CH1</i>, <i>CH 2</i>, <i>CH 3</i>, <i>CH 4</i>) and <i>L</i> (<i>m1</i>, <i>m2</i>, <i>m3</i>, <i>m4</i>) bases shown in the Figs 3 and 5, respectively.

    Mean and maximum |B1+| values calculated over the Region of Interest (ROI) for the simulated and experimental |B1+| maps, and associated temperature elevations ΔT as achieved with... by Maryam Arianpouya (12299222)

    Published 2024
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  11. 11
    Application of various λ values in Step 2 of the proposed low-SAR Workflow.

    Application of various λ values in Step 2 of the proposed low-SAR Workflow. by Maryam Arianpouya (12299222)

    Published 2024
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  12. 12
    Values for 1-g SAR (SAR<sub>1g</sub>), 10-g local SAR (SAR<sub>10g</sub>) and global SAR (SAR<sub>G</sub>), as well as <i>SAR</i><sub>1<i>g</i></sub>/<i>SAR</i><sub><i>G</i></sub> and <i>SAR</i><sub>10<i>g</i></sub>/<i>SAR</i><sub><i>G</i></sub> ratios calculated for the simulated E- maps, as achieved with the <i>C</i> (<i>CH1</i>, <i>CH 2</i>, <i>CH 3</i>, <i>CH 4</i>) and <i>L</i> (<i>m1</i>, <i>m2</i>, <i>m3</i>, <i>m4</i>) bases.

    Values for 1-g SAR (SAR<sub>1g</sub>), 10-g local SAR (SAR<sub>10g</sub>) and global SAR (SAR<sub>G</sub>), as well as <i>SAR</i><sub>1<i>g</i></sub>/<i>SAR</i><sub><i>G</i></sub>... by Maryam Arianpouya (12299222)

    Published 2024
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  13. 13
    Optimized post-calibration amplitude and phase shifts for 4-channel PTX in safe mode, for two different regularization parameters.

    Optimized post-calibration amplitude and phase shifts for 4-channel PTX in safe mode, for two different regularization parameters. by Maryam Arianpouya (12299222)

    Published 2024
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  14. 14
    The <i>L</i> matrix basis vectors (<i>m1</i>, <i>m2</i>, <i>m3</i>, <i>m4</i>) applied to 4-channel PTX for Step 1 of the proposed low-SAR workflow.

    The <i>L</i> matrix basis vectors (<i>m1</i>, <i>m2</i>, <i>m3</i>, <i>m4</i>) applied to 4-channel PTX for Step 1 of the proposed low-SAR workflow. by Maryam Arianpouya (12299222)

    Published 2024
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  15. 15
    The channel-dependent relative amplitudes (A<sub>n</sub>), and the corresponding calculated in logarithmic scale (A<sub>n</sub> = 20 × log (S<sub>n</sub>(t)<sub>out</sub> / S<sub>n</sub>(t)<sub>in</sub>) where S<sub>n</sub>(t)<sub>in</sub> = 1).

    The channel-dependent relative amplitudes (A<sub>n</sub>), and the corresponding calculated in logarithmic scale (A<sub>n</sub> = 20 × log (S<sub>n</sub>(t)<sub>out</sub> / S<sub>n... by Maryam Arianpouya (12299222)

    Published 2024
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  16. 16
    MATLAB codes for determining complex weighting factors applied to PTX channel inputs in two operation modes.

    MATLAB codes for determining complex weighting factors applied to PTX channel inputs in two operation modes. by Maryam Arianpouya (12299222)

    Published 2024
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  17. 17
    Simulated E-Field maps using the standard basis (“channel coordinates”) and the low-SAR <i>L</i> basis vectors of Table 3.

    Simulated E-Field maps using the standard basis (“channel coordinates”) and the low-SAR <i>L</i> basis vectors of Table 3. by Maryam Arianpouya (12299222)

    Published 2024
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  18. 18
    Signal ratio <i>R</i>/2 = (<i>S</i>2/2<i>S</i>1) computed using Equation S3 in S1 File for successive application of a gradient echo pulse sequence with flip angles <i>θ</i><sub>1</sub> and <i>θ</i><sub>2</sub>, where <i>θ</i><sub>2</sub> = 2<i>θ</i><sub>1</sub> (red) and <i>θ</i><sub>2</sub> = 3<i>θ</i><sub>1</sub> (blue).

    Signal ratio <i>R</i>/2 = (<i>S</i>2/2<i>S</i>1) computed using Equation S3 in S1 File for successive application of a gradient echo pulse sequence with flip angles <i>θ</i><sub>1<... by Maryam Arianpouya (12299222)

    Published 2024
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  19. 19
    Workflow comparison.

    Workflow comparison. by Maryam Arianpouya (12299222)

    Published 2024
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  20. 20
    Simulated B<sub>1</sub><sup>+</sup> maps using the standard and the low-SAR bases and the experimental maps for CH1-CH4.

    Simulated B<sub>1</sub><sup>+</sup> maps using the standard and the low-SAR bases and the experimental maps for CH1-CH4. by Maryam Arianpouya (12299222)

    Published 2024
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