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The distance resolution reachable with a linear frequency modulation of a pulse on a bandwidth is: 2 Δ f where is the speed of the wave. Definition. Ratio T T ′ = T Δ f {\textstyle {\frac {T} {T'}}=T\Delta f} is the pulse compression ratio. It is generally greater than 1 (usually, its value is 20 to 30).
The pulse width ( ) (or pulse duration) of the transmitted signal is the time, typically in microseconds, each pulse lasts. If the pulse is not a perfect square wave, the time is typically measured between the 50% power levels of the rising and falling edges of the pulse. The pulse width must be long enough to ensure that the radar emits ...
A pulse-Doppler radar is a radar system that determines the range to a target using pulse-timing techniques, and uses the Doppler effect of the returned signal to determine the target object's velocity. It combines the features of pulse radars and continuous-wave radars, which were formerly separate due to the complexity of the electronics.
The ideal heart rate zone for fat burning is often called the "aerobic zone," which is around 70 to 80% of your maximum heart rate. Your body burns fat rather than carbs as its primary fuel source ...
That's why it's important to understand how to calculate your fat-burning heart rate and then implement this knowledge into your sweat sessions to maximize your results.While calculating your fat ...
Chirp compression. The chirp pulse compression process transforms a long duration frequency-coded pulse into a narrow pulse of greatly increased amplitude. It is a technique used in radar and sonar systems because it is a method whereby a narrow pulse with high peak power can be derived from a long duration pulse with low peak power.
Pulse-Doppler signal processing. Pulse-Doppler signal processing is a radar and CEUS performance enhancement strategy that allows small high-speed objects to be detected in close proximity to large slow moving objects. Detection improvements on the order of 1,000,000:1 are common. Small fast moving objects can be identified close to terrain ...
Continuous-wave radar (CW radar) is a type of radar system where a known stable frequency continuous wave radio energy is transmitted and then received from any reflecting objects. [1] Individual objects can be detected using the Doppler effect, which causes the received signal to have a different frequency from the transmitted signal, allowing ...