The pulse-repetition frequency (PRF) is the number of pulses of a repeating signal in a specific time unit. The term is used within a number of technical...

War II systems. Pulse-Doppler radar was developed during World War II to overcome limitations by increasing pulse repetition frequency. This required the...

readily-discernible repeating manner. The change of repetition frequency allows the radar, on a pulse-to-pulse basis, to differentiate between returns from its...

Frequency ambiguity resolution is used to find the true target velocity for medium pulse repetition frequency (PRF) radar systems. This is used with pulse-Doppler...

The pulse repetition interval measures the time between the leading edges of two pulses but is normally expressed as the pulse repetition frequency (PRF)...

with medium pulse-repetition frequency (PRF) radar to obtain range information for distances that exceed the distance between transmit pulses. This signal...

or more pulses with staggering pulse intervals. Pulse-Doppler radar systems compensate using 3 or more different pulse repetition frequency in the detection...

longer times between pulses should be used, referred to as a pulse repetition time, or its reciprocal, pulse repetition frequency. These two effects tend...

moving or stationary objects. Transmit pulses are sent at the pulse repetition frequency. Energy from the transmit pulses propagate through space until they...

is equal to the pulse separation, is known as a square wave. The pulse repetition frequency (PRF or fr) quantifies the number of pulses that occur within...

the system's angular coverage); low- and medium-pulse repetition frequency operating modes; frequency agility; Air-to-air and sea surveillance modes;...

mode-locked laser's repetition rate or, alternatively, the modulation frequency), and f 0 {\displaystyle f_{0}} is the carrier offset frequency, which is less...

defeated by tracking the original radar signal and extracting its pulse repetition frequency (PRF). With even a basic measure of the PRF, the jammer can broadcast...

store a single pulse of the received signal for exactly the time between broadcasts (the pulse repetition frequency). This stored pulse will be sent to...

RWRs store the detected pulses for a short period of time, and compare their broadcast frequency and pulse repetition frequency against a database of known...

5 femtoseconds (few carrier wave cycles in each laser pulses). The pulse repetition frequency is in most cases around 70 to 90 MHz, as given by the oscillator's...

often use much lower pulse repetition frequency to maximize their range, at the cost of signal strength, and offset this with long pulse widths, which increases...

COHO is phase locked to the transmitter pulse." With the Type 965Q and 965R, the pulse repetition frequency (PRF) had a number of different settings...

to the pulse repetition frequency (Fig. 16). The pulse repetition frequency is locked to that of the frequency standard, and the frequencies of the comb...

frameshifting during mRNA translation Pseudorandom function family Pulse repetition frequency Polícia Rodoviária Federal, the Federal Highway Police of Brazil...

the basic Hawk system, with a radar pulse power of 450 kW and a pulse length of 3 μs, a Pulse Repetition Frequency of 800 and 667 Hz alternately. The radar...

problem that a delay line has to be mechanically sized to the pulse-repetition frequency of the radar, or PRF. For long-range use, the PRF was very long...

traffic control systems around airbases. They generally have a high pulse repetition frequency and rotate quickly in order to provide rapid updates at the expense...

750 kW peak power, operating at 1300 MHz a 400 Hz pulse repetition frequency (prf) and 2 microsecond pulse width. The antenna was driven at three fixed speeds...

** [A/A] [A/S] [AIR-MAR] HUSKY Active radar missile is at high pulse repetition frequency active range.[A/A] ICE Call that the LZ or DZ has enemy activity...

pulse load for a certain capacitor is limited by the rated voltage, the pulse repetition frequency, temperature range and pulse rise time. The "pulse...

on a single frequency, and can be countered by changing the frequency or other operational parameters like the pulse repetition frequency (PRF) so the...

750 kW) Pulse repetition frequency: 25 and 12.5 pps Pulse length: 20 microseconds (μs) CH output was read with an oscilloscope. When a pulse was sent...

continuously. Instead, a series of coded laser pulses, also called PRF codes (pulse repetition frequency), are fired at the target. These signals bounce...

sophisticated frequency agility in pulse-to-pulse, burst-to-burst and scan-to-scan regimes. It also switches and staggers pulse repetition frequency and transmits...