The JY-14 (domestic designation: LLQ302, formerly known as: 384) is a medium to long range

air defense Anti-aircraft warfare, counter-air or air defence forces is the battlespace response to aerial warfare, defined by NATO as "all measures designed to nullify or reduce the effectiveness of hostile air action".AAP-6 It includes surface based ...

radar Radar is a detection system that uses radio waves to determine the distance ('' ranging''), angle, and radial velocity of objects relative to the site. It can be used to detect aircraft, ships, spacecraft, guided missiles, motor vehicles, w ...

produced and used by the

People's Republic of China China, officially the People's Republic of China (PRC), is a country in East Asia. It is the world's List of countries and dependencies by population, most populous country, with a Population of China, population exceeding 1.4 billion, sli ...

. It is capable of detecting multiple targets within its range and determine their parameters, tracking them even through surface clutter and

ECM ECM may refer to: Economics and commerce * Engineering change management * Equity capital markets * Error correction model, an econometric model * European Common Market Mathematics * Elliptic curve method * European Congress of Mathematics ...

jamming. It utilizes a

frequency-agile Frequency agility is the ability of a radar system to quickly shift its operating frequency to account for atmospheric effects, jamming, mutual interference with friendly sources, or to make it more difficult to locate the radar broadcaster through ...

mode with 31 different frequencies, has a large band of ECCM operating parameter frequencies, and uses linear FM compression. This system can simultaneously track up to 100 targets and can feed the data to missile-interceptor batteries. It can track targets flying as high as and in distance. The system is notable for having

wideband In communications, a system is wideband when the message bandwidth significantly exceeds the coherence bandwidth of the channel. Some communication links have such a high data rate that they are forced to use a wide bandwidth; other links may h ...

frequency diversity and adaptive pulse-to-pulse agility, enabling it to track even the most morphic radar signatures. It is the most common ground radar in China, and is rapidly being exported to other countries. The radar features excellent anticlutter and antijamming ability, as well as very good adaptability and automatization. Incorporated techniques include dual pulse frequency diversity, pulse-to-pulse

frequency agility Frequency agility is the ability of a radar system to quickly shift its operating frequency to account for atmospheric effects, jamming, mutual interference with friendly sources, or to make it more difficult to locate the radar broadcaster through ...

over a wide frequency band, adaptive MTI and CFAR techniques, and an advanced computerized

BITE Biting is a common zoological behavior involving the active, rapid closing of the jaw around an object. This behavior is found in toothed animals such as mammals, reptiles, amphibians and fish, but can also exist in arthropods. Myocytic c ...

technique.

Manufacturer

The system is manufactured by the East China Research Institute of Electronic Engineering (ECRIEE), No. 38 Research Institute ( zh, 华东电工程研究所（中国电子科技集团公司第三十八研究所)). The JY-14 system has been in production since 1998, and has since exported, most notably to

Iran Iran, officially the Islamic Republic of Iran, and also called Persia, is a country located in Western Asia. It is bordered by Iraq and Turkey to the west, by Azerbaijan and Armenia to the northwest, by the Caspian Sea and Turkm ...

Vietnam Vietnam or Viet Nam ( vi, Việt Nam, ), officially the Socialist Republic of Vietnam,., group="n" is a country in Southeast Asia, at the eastern edge of mainland Southeast Asia, with an area of and population of 96 million, making it ...

Venezuela Venezuela (; ), officially the Bolivarian Republic of Venezuela ( es, link=no, República Bolivariana de Venezuela), is a country on the northern coast of South America, consisting of a continental landmass and many islands and islets in ...

Sri Lanka Sri Lanka (, ; si, ශ්‍රී ලංකා, Śrī Laṅkā, translit-std=ISO (); ta, இலங்கை, Ilaṅkai, translit-std=ISO ()), formerly known as Ceylon and officially the Democratic Socialist Republic of Sri Lanka, is an ...

and

Zimbabwe Zimbabwe (), officially the Republic of Zimbabwe, is a landlocked country located in Southeast Africa, between the Zambezi and Limpopo Rivers, bordered by South Africa to the south, Botswana to the south-west, Zambia to the north, and Mozam ...

Notable incidents

According to US intelligence, Iran has been purchasing the JY-14 radar system since the late 1990s, but China reportedly has accelerated the project since the start of U.S. military operations in

Afghanistan Afghanistan, officially the Islamic Emirate of Afghanistan,; prs, امارت اسلامی افغانستان is a landlocked country located at the crossroads of Central Asia and South Asia. Referred to as the Heart of Asia, it is bord ...

. Additionally, several JY-14 radars have been found operating in

North Korea North Korea, officially the Democratic People's Republic of Korea (DPRK), is a country in East Asia. It constitutes the northern half of the Korean Peninsula and shares borders with China and Russia to the north, at the Yalu (Amnok) and ...

Thailand Thailand ( ), historically known as Siam () and officially the Kingdom of Thailand, is a country in Southeast Asia, located at the centre of the Indochinese Peninsula, spanning , with a population of almost 70 million. The country is b ...

and

Indonesia Indonesia, officially the Republic of Indonesia, is a country in Southeast Asia and Oceania between the Indian and Pacific oceans. It consists of over 17,000 islands, including Sumatra, Java, Sulawesi, and parts of Borneo and New Guine ...

, according to US intelligence sources, along the DMZ.

Upgrades

The JY-14 can be upgraded to a more powerful power supply, giving it a wider range. This has been seen only in China so far, where multiple stations are tied together with the air defense system.

Other specifications

* Frequency diversity interval: 150 MHz * Wind resistance capacity: 25 m/s, normal operations, 25–35 m/s, operations with degraded performance, >35 m/s, operations stopped without damage. ** High gain, low sidelobe and vertically offset multibeam antenna ** Full coherent high power transmitter, multi-element modulator assembly ** High stability, frequency synthesiser ** low noise, wide frequency band, large

dynamic range Dynamic range (abbreviated DR, DNR, or DYR) is the ratio between the largest and smallest values that a certain quantity can assume. It is often used in the context of signals, like sound and light. It is measured either as a ratio or as a base- ...

and frequency diversity multichannel receiver ** Adaptive MTI ** Adaptive threshold, automatic clutter map

References

{{reflist

External links

ECRIEE

Ground radars Military equipment introduced in the 1990s Military radars of the People's Republic of China