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O que (quem) é US Radar - definição

US Radar

US Radar is a manufacturer and distributor of Surface Penetrating Radar (SPR), also known as ground penetrating radar (GPR), systems.

https://en.wikipedia.org/wiki/US_Radar

radar

$Echo heights above ground<br /><math>H=\left (\sqrt{r^{2}+(k_{e}a_{e})^{2}+2rk_{e}a_{e}sin(\theta _{e})} \right )-k_{e}a_{e}+h_{a}</math> <br />Where : <br />  r : distance radar-target <br />ke : 4/3 <br />ae : Earth radius <br />θe : elevation angle above the radar horizon <br />ha : height of the feedhorn above ground$

OBJECT DETECTION SYSTEM BASED ON RADIO WAVES

Radio detection and ranging; Airport radar; Radars; RADAR; Radio detecting and ranging; Radar illumination; Radio Detection and Ranging; Radar Homing and Warning; Radar station; Coherent processing interval; Radar system; Microwave radar; Fill pulse; Radar equation; Centimetric radar; Coherent Processing Interval; Radar distance measurement; Radar communication; Air search radar; Radar systems; Remote Radar Head; Applications of radar; Palmer Scan; Radar signal processing; Derax; Radar antenna design

n. early-warning radar

radar

$Echo heights above ground<br /><math>H=\left (\sqrt{r^{2}+(k_{e}a_{e})^{2}+2rk_{e}a_{e}sin(\theta _{e})} \right )-k_{e}a_{e}+h_{a}</math> <br />Where : <br />  r : distance radar-target <br />ke : 4/3 <br />ae : Earth radius <br />θe : elevation angle above the radar horizon <br />ha : height of the feedhorn above ground$

OBJECT DETECTION SYSTEM BASED ON RADIO WAVES

Radio detection and ranging; Airport radar; Radars; RADAR; Radio detecting and ranging; Radar illumination; Radio Detection and Ranging; Radar Homing and Warning; Radar station; Coherent processing interval; Radar system; Microwave radar; Fill pulse; Radar equation; Centimetric radar; Coherent Processing Interval; Radar distance measurement; Radar communication; Air search radar; Radar systems; Remote Radar Head; Applications of radar; Palmer Scan; Radar signal processing; Derax; Radar antenna design

¦ noun a system for detecting the presence, direction, and speed of aircraft, ships, etc., by sending out pulses of radio waves which are reflected off the object back to the source.

Origin

1940s: from ra(dio) d(etection) a(nd) r(anging).

Exemplos do corpo de texto para US Radar

1. And then, knifing brightly across the constellation Cassiopeia, a Lacrosse 4 US radar satellite.

2. Similar concerns face Denmark but officials say its deployment is not on the US radar screen as one that is really in danger.

3. "Everything from medical scanners to mobile phones relies on radio; during the last war it gave us radar and afterwards it opened a new window on the universe with radio astronomy.

4. The conservative MPs on the committee claimed that the process of purchasing Russian missile defense systems when Tsochadzopoulos was defense minister was «totally irregular» and accused Papantoniou of being the first minister to go against the advice of the military hierarchy and buy six US radar systems the army did not want.