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  2. Advanced Enclosed Mast/Sensor - Wikipedia

    en.wikipedia.org/wiki/Advanced_Enclosed_Mast/Sensor

    USS Arthur W. Radford with the aft mast replaced by the proof-of-concept AEM/S. USS New Orleans with fore and aft AEM/S.. The US Navy's Advanced Enclosed Mast/Sensor (AEM/S) system fully integrates advanced materials, structures, and manufacturing technologies with sensor technology, electromagnetics, and signature reduction.

  3. Oxygen sensor - Wikipedia

    en.wikipedia.org/wiki/Oxygen_sensor

    An oxygen sensor (or lambda sensor, where lambda refers to air–fuel equivalence ratio, usually denoted by λ) or probe or sond, is an electronic device that measures the proportion of oxygen (O 2) in the gas or liquid being analyzed. [1] It was developed by Robert Bosch GmbH during the late 1960s under the supervision of Günter Bauman. [1]

  4. Electromagnetic hypersensitivity - Wikipedia

    en.wikipedia.org/wiki/Electromagnetic...

    This is an accepted version of this page This is the latest accepted revision, reviewed on 23 January 2025. Claimed sensitivity to electromagnetic fields This article is about a pseudomedical diagnosis. For the recognized effects of electromagnetic radiation on human health, see Electromagnetic radiation and health. Electromagnetic hypersensitivity Idiopathic environmental intolerance ...

  5. Millimeter wave scanner - Wikipedia

    en.wikipedia.org/wiki/Millimeter_wave_scanner

    As of June 1, 2013, all back-scatter full body scanners were removed from use at U.S. airports, because they could not comply with TSA's software requirements. Millimeter-wave full body scanners utilize ATR, and are compliant with TSA software requirements. [12] Software imaging technology can also mask specific body parts. [5]

  6. Low-noise block downconverter - Wikipedia

    en.wikipedia.org/wiki/Low-noise_block_downconverter

    Wideband signals can be converted to conventional quattro signals [13] and vice versa. [14] In February 2016, Sky (UK) launched a new LNB only compatible with their new wideband tuner. [15] This LNB has one port for all vertical polarised channels both low and high band, and another port for all low and high band horizontal channels.

  7. Fractal antenna - Wikipedia

    en.wikipedia.org/wiki/Fractal_antenna

    A recent invention demonstrates using close-packed fractal resonators to make the first wideband metamaterial invisibility cloak at microwave frequencies. [22] [23] Fractal filters (a type of tuned circuit) are another example where the superiority of the fractal approach for smaller size and better rejection has been proven. [24] [25] [26]

  8. Frequency modulation - Wikipedia

    en.wikipedia.org/wiki/Frequency_modulation

    If , the modulation is called wideband FM and its bandwidth is approximately . While wideband FM uses more bandwidth, it can improve the signal-to-noise ratio significantly; for example, doubling the value of Δ f {\displaystyle \Delta {}f\,} , while keeping f m {\displaystyle f_{m}} constant, results in an eight-fold improvement in the signal ...

  9. Medically unexplained physical symptoms - Wikipedia

    en.wikipedia.org/wiki/Medically_unexplained...

    Medically unexplained physical symptoms (MUPS or MUS) are symptoms for which a treating physician or other healthcare providers have found no medical cause, or whose cause remains contested. [1] In its strictest sense, the term simply means that the cause for the symptoms is unknown or disputed—there is no scientific consensus .