Errymath: DWL-002

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<tr><td style="text-align: center;"><img alt="AFMC on track to deliver more F-22s" src="http://cmsimg.defensenews.com/apps/pbcsi.dll/bilde?Site=M5&Date=20141004&Category=DEFREG03&ArtNo=310040023&Ref=AR&MaxW=640&Border=0&China-Touts-Anti-stealth-Radar" style="margin-left: auto; margin-right: auto;" /></td></tr>
<tr><td class="tr-caption" style="text-align: center;">Media claims Beijing has developed radars that can detect stealth aircraft</td></tr>
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<tr><td style="text-align: center;"><img alt="" border="1" height="640" src="http://www.ausairpower.net/PLA/DLW002-ESM-System-2ES.jpg" style="margin-left: auto; margin-right: auto;" width="476" /></td></tr>
<tr><td class="tr-caption" style="text-align: center;">DWL002
Passive Detection System</td></tr>
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<tr><td style="text-align: center;"><img alt="" border="1" height="640" src="http://www.ausairpower.net/PLA/DLW002-ESM-System-3AS.jpg" style="margin-left: auto; margin-right: auto;" width="490" /></td></tr>
<tr><td class="tr-caption" style="text-align: center;"><i><small>DWL002 CONOPS diagram.</small></i><big><span style="font-weight: bold;"> (</span></big><i>Air Power Australia</i><big><span style="font-weight: bold;">)<br />
      </span></big></td></tr>
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<tr><td style="text-align: center;"><img alt="" height="393" src="http://www.ausairpower.net/XIMG/S-300PMU2-Battery-Integration-2.png" style="border: 1px solid; margin-left: auto; margin-right: auto;" width="640" /></td></tr>
<tr><td class="tr-caption" style="text-align: center;"><small><span style="font-style: italic;">YLC-20 or Kolchuga M with its S-300PMU/PMU1/PMU2
SAM batteries </span></small><big><span style="font-weight: bold;"></span></big></td></tr>
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<b>Chinese sources claim that the DWL002 passive radar system will render the F-22 and F-35 “obsolete.”</b><br />
According to <a class="externalLink" href="http://m.huanqiu.com/website/11353.html?cid=4" rel="nofollow" target="_blank"><span style="text-decoration: underline;">recent reports</span></a>
 in the Chinese media, China is betting that its new DWL002 passive 
detection radar system will grant its armed forces a massive boost in 
countering the United States’ advanced stealth fighters. According to a report in <i>Defense News</i>,
 Chinese sources claim that the radar will render systems like the 
advanced F-22 fighter and the upcoming F-35 “obsolete” — a strong claim 
to be sure.<br />
<br />
The DWL002 came to light in recent years and has been pitched by Chinese
 sources repeatedly as a credible counter to conventional stealth 
military aviation. The DWL002 is an emitter locating system (ELS) which 
partially iterates on innovations found in older Russian designs, 
including the KRTP Tamara series and ERA Vera-E. The DWL002 is a more 
advanced ELS compared to China’s YLC-20 system (which is itself based on
 the KRTP-91 Tamara). The United States and other Western European 
countries have abandoned the use and development of passive-detection 
radar systems, citing poor accuracy. China and Russia continue to use 
the systems. The DWL002 itself will have a likely range of around 
400-500 kilometers and is comprised of three stations that operate in 
tandem, placed kilometers apart. According to <i>Defense News</i>, the 
DWL002′s range would allow it “cover all of Taiwan and the disputed 
Senkaku Islands in the East China Sea, but [it] is not within range of 
U.S. military bases on Okinawa. Nor can it reach the Philippines.”<br />
<br />
The DWL002, if it lives up to its touted capabilities, would severely 
hamper stealth fighter-based attempts at establishing aerial control 
over Chinese territory provided Chinese air defense systems are 
operational. Anti-stealth radar technology would play an important role 
in allowing the Chinese People’s Liberation Army (PLA) to effectively 
counter parts of the United States AirSea Battle operational concept, 
for example. <a class="externalLink" href="http://defensetech.org/2010/05/18/csba-releases-its-airsea-battle-concept/" rel="nofollow" target="_blank"><span style="text-decoration: underline;">Part of the effectiveness of AirSea Battle</span></a>
 relies on the U.S. Air Force and Navy deploying long-range 
stealth-based air platforms. With the DWL002 ESL, Chinese air defense 
systems would be significantly more effective at detecting hostile 
stealth aircraft. Another feature of the DWL002 that has drawn some 
attention from the Chinese media — notably the <i>Global Times</i>, <i>according to WantChinaTimes </i>–
 is its ability to track aircraft without notifying pilots that they 
have been detected by radar. Furthermore, according toVassily Kashin, 
senior research fellow at the Center for Analysis of Strategies and 
Technologies, a Moscow-based think tank, the DWL002′s capabilities are 
not being exaggerated and pose a serious threat to stealth platforms.<br />
<br />
Other sources are less convinced of the DWL002′s actual capabilities. According to <i>a technical report by Air Power Australia</i>,
 an independent defense think tank, the key innovation that sets the 
DWL002 apart from its other ELS predecessors is its use of “paired 
primary wideband apertures, displaced in elevation.” Based on the 
report, this seems to be extent of the DWL002′s capacity to impress. 
That report further emphasizes the DWL002′s height-finding capabilities 
more so than its explicit anti-stealth capabilities. The Air Power 
Australia report is widely skeptical of claims that the DWL002 and other
 variants on Soviet-era passive detection systems are technically 
capable of what is often touted, i.e. China hasn’t “solved” anti-stealth
 just yet. In general, however, passive detection radar systems will 
likely benefit from the increasingly signal-heavy nature of U.S. 
military aviation technologies — the systems work by constantly 
listening for and detecting electronic emissions. U.S. fighters — 
especially the upcoming F-35 — could have incoming and outgoing signal 
traffic detected by this system (although the more data-heavy Multi 
Function Advanced Datalink runs only when the aircraft is in <a class="externalLink" href="http://www.lockheedmartin.com/us/news/features/2014/f35-new-era-of-international-cooperation.html" rel="nofollow" target="_blank"><span style="text-decoration: underline;">low observable stealth mode</span></a>).<br />
<br />
Overall, the DWL002 is likely less of a threat to contemporary U.S. 
stealth aviation than recent reports would suggest. In the meantime, it 
should be noted that China isn’t putting all its eggs in the 
anti-stealth technology basket. In addition to defensive investments in 
anti-stealth, China has long been proactive about developing its own 
stealth aircraft. Recently, <a class="externalLink" href="http://www.realcleardefense.com/articles/2014/10/01/is_china_sending_a_stealth_fighter_to_sea_107472.html" rel="nofollow" target="_blank"><span style="text-decoration: underline;">a full-scale model of China’s Shenyang J-31 stealth multirole fighter</span></a>
 appeared on a PLAN carrier mock-up, prompting speculation that China is
 looking to deploy its own stealth jets at sea. Additionally, the 
Chengdu-20, a stealth air superiority fighter, is also under development
 and is expected to be operational later this decade.<br />
<div style="background-color: white; border: medium none; color: black; overflow: hidden; text-align: left; text-decoration: none;">
<i><i> <span style="font-size: x-small;">The Diplomat.  </span></i><span style="font-size: x-small;">How Effective Is China’s New Anti-Stealth Radar System Really</span></i></div>
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DWL002 passive radar system able to detect F-22 and F-35

Media claims Beijing has developed radars that can detect stealth aircraft DWL002 Passive Detection System DWL002 CONOPS diagram...

Errymath

DWL002 passive radar system able to detect F-22 and F-35

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