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training course on weather radar systems - RTC, Regional Training ...

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MODULE A- INTRODUCTION TO RADAR<br />

The <strong>radar</strong> equati<strong>on</strong> for a point target is simply given below:<br />

Radar Equati<strong>on</strong> For Distributed Targets<br />

Thus far, we've derived the <strong>radar</strong> equati<strong>on</strong> for a point target. This is enough if you are interested<br />

in point targets such as airplanes. However, in a thunderstorm or some area of precipitati<strong>on</strong>, we<br />

do not have just <strong>on</strong>e target (e.g., raindrop), we have many. Thus we need to derive the <strong>radar</strong><br />

equati<strong>on</strong> for distributed targets. So let’s review the Radar Pulse Volume.<br />

Radar Pulse Volume<br />

First, let's simplify the real beam according to the Figure 1.2.15:<br />

Figure -2.10: Radar pulses<br />

What does a "three-dimensi<strong>on</strong>al" segment of the <strong>radar</strong> beam look like<br />

Figure -2.11: Radar main beam and pulse volume.<br />

TURKEY RADAR TRAINING 1.0 / ALANYA 2005 17

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