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stealth ships

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posted on Jun, 9 2005 @ 01:08 AM
i was wondering about this ship

would it make a big differnce to a enemys radar

posted on Jun, 9 2005 @ 02:40 AM
Apparently, this is one of the latest chinese frigates type (can you give us the exact name pls?
), similar in performances as a La Fayette French class ship.

La Fayette:

The La Fayette class incorporates a number of stealth features - the sides of the vessel are sloped at 10° to minimise radar cross section, surfaces have been coated in radar-absorbent paint and the profiles of external features have been reduced.

It makes a difference for military surface research radar, in the way that these architectures with radar-absorbing paints and materials, aswell as these straight angles, lowers the ERS - SER (Equivalent Radar Surface) of the ship, and therefore its echo on the enemy radar. For the lafayette, it makes it look like a fisherman's boat, for instance.

Though, this is only a passive decoy. There are more develloped stealth ships, like Skjold Class (norway)

Or the Visby Class (sweden)

or the DD(X) Zumwalt (USA)

(picture arent related, google for more)

There you are

posted on Jun, 9 2005 @ 02:55 AM
thanks a lot

but the ships name is Lanzhou Class (Type 052C) Guided Missile Destroyer

its not a frigate but a destroyer.

posted on Jun, 9 2005 @ 03:07 AM
This is the new Norwegian Fritjof Nansen Class Frigate:

Missiles: Evolved Sea Sparrow VLS-MK41 and NSM
Torpedos: Stingray
Cannon: 76 mm Ota Breda
Helicopter: NH90

Length: 134 meters
Width: 16,8 meters
displacement: 5300 tonnes
Speed: 26 knots
Crew: 121

posted on Jun, 9 2005 @ 07:45 AM
Wondering here how good these ships are against frequency agile radars?? You know..frequency hopping/spread spectrum ability.??
Anyone know????


posted on Jun, 9 2005 @ 09:50 AM
The primary purpose of frequency agility in a radar is to provide a defense against ECM, such as spot jamming. And although radars with frequency agility are harder to jam, they still are usually restricted to a discrete frequency range or band, sometime covering no more than a few hundred MHz.

Passive stealth obtained through the use of RAM and shaping is usually very effective over a large frequency range or bandwidth. In the case of surface naval vessels, the LO features that are most commonly used are designed to provide stealth against emitters operating in I-band and J-band (thats X-band to you non-naval types), where the majority of target aquisition radars and ASCM terminal seekers operate.

posted on Jun, 9 2005 @ 10:34 AM
The Chinese destroyer uses a radar much like the Aegis system on US destroyers. We do not know the capabilities of the Chinese radar yet. One problem is that China has been building like one or two ships of each class instead of choosing one to build like the US does.

posted on Jun, 10 2005 @ 05:54 AM
yeah pre=gobal war aka ww3 tech jump like ww1

posted on Jun, 10 2005 @ 08:47 AM

Thanks for the outline on frequency agility radar technology.

I thought the systems could handle a broader frequency range than that . Understand though about the ECM defense. Thanks for that tidbit too.


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