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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 ...
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 ...
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.
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 ...
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 ...
The McDonnell Douglas F-4 Phantom II [N 1] is an American tandem two-seat, twin-engine, all-weather, long-range supersonic jet interceptor and fighter-bomber originally developed by McDonnell Aircraft for the United States Navy. [2] Proving highly adaptable, it entered service with the Navy in 1961 [3] before it was adopted by the United States ...
Method 2: Carotid pulse. To check your pulse using this method, you’ll be finding the carotid artery. Place your pointer and middle fingers on the side of your windpipe just below the jawbone ...
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