28344

JRC JMA9923_7XA Manual

219
Zoom out
Zoom in
Previous page
1/404
Next page
● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ●
6-3
６
Strength of Reflection from the Targets･････････････････････
The signal intensity reflected from a target depends not only on the height and size of the target
but also on its material and shape. The echo intensity from a higher and larger target is not
always higher in general.
In particular, the echo from a coast line is affected by the geographic conditions of the coast.
If the coast has a very gentle slope, the echo from a mountain on the inland appears on the radar
display.
Therefore, the distance to the coast line should be measured carefully.
Mountain displayed on the radar display
Sea shore line not displayed on the radar display
HL
Fig. 6.2
Sea Clutters･･････････････････････････････････････････････
When the sea surface ruffles, bright echo returns spread around the center of the radar display.
The higher the waves are, the echo returns are larger.
Swirling currents may appears as a smooth line like a coastal line.
False Echoes･････････････････････････････････････････････
The radar observer may be embarrassed with some echoes that do not exist actually. These
false echoes appear by the following caused that are well known:
[I] Shadow
When the radar scanner is installed near a funnel or mast, the echo of a target that exists in the
direction of the funnel or mast cannot appear on the radar display because the radar beam is
reflected on the funnel or mast. Whether there are some false echoes due to shadows can be
checked by monitoring the sea clutter returns, in which there may be a part of weak or no returns.
Such shadows appear always in the same directions, which the operator should have in mind in
radar operation.
… 219 …


Need help? Post your question in this forum.

Forumrules


Report abuse

Libble takes abuse of its services very seriously. We're committed to dealing with such abuse according to the laws in your country of residence. When you submit a report, we'll investigate it and take the appropriate action. We'll get back to you only if we require additional details or have more information to share.

Product:

For example, Anti-Semitic content, racist content, or material that could result in a violent physical act.

For example, a credit card number, a personal identification number, or an unlisted home address. Note that email addresses and full names are not considered private information.

Forumrules

To achieve meaningful questions, we apply the following rules:

Register

Register getting emails for JRC JMA9923_7XA at:


You will receive an email to register for one or both of the options.


Get your user manual by e-mail

Enter your email address to receive the manual of JRC JMA9923_7XA in the language / languages: English as an attachment in your email.

The manual is 7,69 mb in size.

 

You will receive the manual in your email within minutes. If you have not received an email, then probably have entered the wrong email address or your mailbox is too full. In addition, it may be that your ISP may have a maximum size for emails to receive.

The manual is sent by email. Check your email

If you have not received an email with the manual within fifteen minutes, it may be that you have a entered a wrong email address or that your ISP has set a maximum size to receive email that is smaller than the size of the manual.

The email address you have provided is not correct.

Please check the email address and correct it.

Your question is posted on this page

Would you like to receive an email when new answers and questions are posted? Please enter your email address.



Info