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  2. Frequency-hopping spread spectrum - Wikipedia

    en.wikipedia.org/wiki/Frequency-hopping_spread...

    Frequency-hopping spread spectrum ( FHSS) is a method of transmitting radio signals by rapidly changing the carrier frequency among many frequencies occupying a large spectral band. The changes are controlled by a code known to both transmitter and receiver. FHSS is used to avoid interference, to prevent eavesdropping, and to enable code ...

  3. Ten Symptoms of Heart Failure Getting Worse - Healthline

    www.healthline.com/health/heart-failure/symptoms...

    increased shortness of breath. swelling in the ankles, legs, abdomen, or other parts of your body. fatigue. chest discomfort. sudden weight gain. reduced exercise tolerance. persistent cough or ...

  4. Pulsed radiofrequency - Wikipedia

    en.wikipedia.org/wiki/Pulsed_radiofrequency

    Pulsed radiofrequency is the technique whereby radio frequency (RF) oscillations are gated at a rate of pulses (cycles) per second (one cycle per second is known as a hertz (Hz)). Radio frequency energies occupy 1.0 × 104 Hz to 3.0 × 1011 Hz of the electromagnetic spectrum. Radio frequency electromagnetic energy is routinely produced by RF ...

  5. Familial hypercholesterolemia (FH) is a genetic disorder characterized by high levels of cholesterol. Learn the symptoms, how it's treated, and the outlook for this disorder.

  6. Zhuk (radar) - Wikipedia

    en.wikipedia.org/wiki/Zhuk_(radar)

    The Zhuk (Beetle) family of X band pulse-Doppler radars provide aircraft with two modes of operation, air-to-air and air-to-surface. The air-to-air mode of the Zhuk is capable of detecting targets and measuring their coordinates, range and speed. [1] The radar has a look-down/shoot-down capability for air targets against a cluttered or water ...

  7. What Is a Normal Resting Heart Rate? - Healthline

    www.healthline.com/health/heart-disease/ideal...

    80 to 136 beats per minute. 160 beats per minute. 65 years. 78 to 132 beats per minute. 155 beats per minute. 70 years and up. 75 to 128 beats per minute. 150 beats per minute. Note that certain ...

  8. Cardiac (character) - Wikipedia

    en.wikipedia.org/wiki/Cardiac_(character)

    Superhuman strength, speed, stamina and durability. Accelerated healing factor. Wields a pulse staff, and rides a beta-propelled stingray hang-glider. Channels beta particles via the neural web of his vibranium-mesh skin. Cardiac ( Elias Wirtham) is a fictional character, appearing in American comic books published by Marvel Comics.

  9. Dr. Clarissa Rose Abrantes, MD, Internal Medicine - WebMD

    doctor.webmd.com/doctor/clarissa-abrantes-0d94e...

    Dr. Abrantes and her staff are extremely knowledgeable, friendly, accessible and efficient. I have several underline health issues and Dr. Abrantes' with her experience and insight keeps me healthy. Her staff is very attentive and informed which makes making appointments easy and enjoyable. My wife and I highly recommend Dr. Abrantes and her staff.