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  2. Magnetic detector - Wikipedia

    en.wikipedia.org/wiki/Magnetic_detector

    As the magnetic field in a given area of the iron wire changed as it moved through the detector, the microscopic domain walls between magnetic domains in the iron moved in a series of jerks, as they got hung up on defects in the iron crystal lattice, then pulled free. Each jerk produced a tiny change in the magnetic field through the coil, and ...

  3. EMF measurement - Wikipedia

    en.wikipedia.org/wiki/EMF_measurement

    E-field projections on an orthogonal reference frame. Measurements of the EMF are obtained using an E-field sensor or H-field sensor which can be isotropic or mono-axial, active or passive. A mono-axial, omnidirectional probe is a device which senses the Electric (short dipole) or Magnetic field linearly polarized in a given direction.

  4. Comparison of EM simulation software - Wikipedia

    en.wikipedia.org/wiki/Comparison_of_EM...

    Convergence detector Mesher Algorithm Area of application NEC: open source Yes Yes Yes In some distributions Yes manual MoM: Antenna modeling, especially in Amateur Radio. Widely used as the basis for many GUI-based programs on many platforms. Version 2 is open source, but Versions 3 and 4 are commercially licensed. Momentum: commercial Yes Yes ...

  5. List of sensors - Wikipedia

    en.wikipedia.org/wiki/List_of_sensors

    Photoionization detector; Photomultiplier; Photoresistor; Photoswitch; Phototube; Scintillometer; Shack–Hartmann wavefront sensor; Single-photon avalanche diode; Superconducting nanowire single-photon detector; Transition-edge sensor; Visible Light Photon Counter; Wavefront sensor

  6. The Best Radio Frequency Detectors to Buy Right Now - AOL

    www.aol.com/news/best-radio-frequency-detectors...

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  7. MEMS magnetic field sensor - Wikipedia

    en.wikipedia.org/wiki/MEMS_magnetic_field_sensor

    A MEMS magnetic field sensor is a small-scale microelectromechanical systems (MEMS) device for detecting and measuring magnetic fields (magnetometer). Many of these operate by detecting effects of the Lorentz force : a change in voltage or resonant frequency may be measured electronically, or a mechanical displacement may be measured optically.

  8. Forrest Mims - Wikipedia

    en.wikipedia.org/wiki/Forrest_Mims

    Forrest M. Mims III is an American amateur scientist, [2] magazine columnist, and author of Getting Started in Electronics and Engineer's Mini-Notebook series of instructional books that were originally sold in Radio Shack electronics stores and are still in print.

  9. SQUID - Wikipedia

    en.wikipedia.org/wiki/SQUID

    For comparison, a typical refrigerator magnet produces 0.01 tesla (10 −2 T), and some processes in animals produce very small magnetic fields between 10 −9 T and 10 −6 T. SERF atomic magnetometers, invented in the early 2000s are potentially more sensitive and do not require cryogenic refrigeration but are orders of magnitude larger in ...

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