Type 052C/052D Class Destroyers


Tam

Brigadier
Registered Member
I believe the comm antennas are being migrated to phased arrays as well.
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That's done on this.

The illustration here is a civilian sample for a motorhome or a yacht.
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You see them in many ships, but in some new 052Ds they are missing. But in later photos of the same 052Ds, they turn up, which indicate these are retrofitted. You also see them being retrofitted on 054As, both 056s and just about every ship you can think of, even Jianghus. This points to the PLAN moving hurriedly to a new datalink-SATCOM infrastructure.

So the question is what are these PLAN ships chatting in the sky above that also hosts a flat MIMO panel with high speed digital communications. Satellites? AEW? UAV? Helicopters with flat panels (see the round thing) on their bottoms? All of them?


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Tam

Brigadier
Registered Member
We've seen Chinese destroyers with similar AEGIS layouts in terms of 4 AESA panels + CEC datalinks + combat management system. Hence I find it easier to call them AEGIS destroyers versus the older types.

I agree that airborne radars are superior to ship-based radars, but there are 2 points here

1. The Chinese Navy doesn't have carrier-launched AWACs aircraft yet

2. In recent years, it is the USA which has focused on expensive and very high-performance AESA radars due to incoming supersonic/hypersonic missiles. In comparison, Chinese destroyers do not face large numbers of supersonic/hypersonic missiles. So I suspect that contributes to the much lower cost of Chinese destroyers.

On the Ford, yes, I think the SPY-6 radar is a mistake as the carrier design should be focused on its airwing. The Ford only has point air defence missiles and will always be accompanied by escorts. So a simpler radar and CEC links should be sufficient. So that's a problem with US Navy requirements rather than the radar itself. Although, if you can conduct last-ditch EW attacks on an incoming missile, that may be an acceptable justification for the SPY-6.

Anyway, back on topic.


1. Soon enough.
2. They do. Taiwan, Japan, India and Vietnam has supersonic antiship missiles. Taiwan's supersonic missiles are also small despite being supersonic which makes them dope. But most importantly, Chinese destroyers have to deal with low RCS "stealth" aircraft and missiles from the US and that requires stronger radars, even VHF radars. Hence the enormous sizes of their AESA panels, bigger than SPY-1. The Type 055's is the biggest yet. If PPP is considered, these Chinese destroyers are still costly in terms relative to the Chinese economy, but the Chinese economy just happens to be a lot healthier at the moment, the Chinese defense industry does not pad high profit margins, and the defense establishment ordering at the state owned defense industry is moving money from one pocket to another so they can afford a Rolls Royce approach to sensors like the Type 055.
3. Gerald Ford uses SPY-3 and SPY-4. It was part of the original design. With SPY-4 scrapped on the Zumwalt, it will be the first and last ship in the USN to have the S-band SPY-4. SPY-6 is not going to the remainder of the Ford class. They will use a cheaper, econo version of the SPY-6 called EASR, that only has 8 subarrays instead of 37. EASR is the frigate level version of the SPY-6.
4. I do agree very much on the final paragraph. Better to have a simpler radar, advanced datalinks and a network of UAVs, satellites and AEW aircraft. It also aligns to what the PLAN has been working on the last few years.
 

Andy1974

Junior Member
Registered Member
That's done on this.

The illustration here is a civilian sample for a motorhome or a yacht.
View attachment 77146


View attachment 77145


You see them in many ships, but in some new 052Ds they are missing. But in later photos of the same 052Ds, they turn up, which indicate these are retrofitted. You also see them being retrofitted on 054As, both 056s and just about every ship you can think of, even Jianghus. This points to the PLAN moving hurriedly to a new datalink-SATCOM infrastructure.

So the question is what are these PLAN ships chatting in the sky above that also hosts a flat MIMO panel with high speed digital communications. Satellites? AEW? UAV? Helicopters with flat panels (see the round thing) on their bottoms? All of them?


View attachment 77147
We see Chinese industry rapidly adopting IoT, there are even IoT dedicated satellites, we even see this on the space station.

If every sensor has an IoT chip that uses the best available comms path available then that data could be aggregated anywhere and acted upon.

So maybe a lot of the chat is this IoT streaming data?
 

Tam

Brigadier
Registered Member
We see Chinese industry rapidly adopting IoT, there are even IoT dedicated satellites, we even see this on the space station.

If every sensor has an IoT chip that uses the best available comms path available then that data could be aggregated anywhere and acted upon.

So maybe a lot of the chat is this IoT streaming data?

Its more like every antenna element in the array is like a small tiny square patch that is its own IC and chip, emitter, receiver, processor, everything. So its like an IOT chip.

The phase array com device should connect to multiple assets in the sky across a wide arc using multibeams simultaneously, compared to say a mechanical dish that has to swivel from target to target. So the device must be streaming across a wide swatch the sky against the many sky and space borne devices within that arc. Imagine let's say you are talking to a large number of UAVs in the sky along with multiple satellite constellations.

Examples.

image.jpgunnamed (2).jpg


It brings a lot of interesting possibilities with the ships.
 

by78

Lieutenant General
156 and 131.

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