Chinese Radars
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China's first carrier-based, fixed-wing early warning aircraft makes maiden flight: reports
By Liu Xuanzun Source: Global Times. Published: 2020/9/1 21:16:34
Aircrafts are visible on the deck of the aircraft carrier Liaoning of the PLA Navy. File photo: 81.cn
China's first aircraft carrier-based, fixed-wing early warning aircraft, reportedly called the KJ-600, successfully made its maiden flight in late August, foreign and Chinese media reported. This type of plane will become far-reaching eyes and significantly boost the comprehensive combat capability of Chinese aircraft carriers, which currently only have helicopters for early warning purposes, Chinese experts said on Tuesday.
An aircraft identified as the KJ-600 was recently spotted in Xi'an, capital of Northwest China's Shaanxi Province, in a commercial satellite image, Ordnance Industry Science Technology, a Xi'an-based magazine on the national defense industry, reported on Monday, citing a report on Forbes on Saturday.
Unverified photos posted on social media show it recently made its first test flight, the Chinese magazine said.
The Chinese military or the aircraft's manufacturer has not announced the maiden flight of the aircraft as of press time.
Wang Ya'nan, chief editor of Beijing-based Aerospace Knowledge magazine, told the Global Times on Tuesday that after China built an aircraft carrier, it was expected to develop an aircraft carrier-based early warning system as a priority project.
When China's aircraft carriers sail far away from inland to an extent that land-based early warning aircraft cannot provide early warning support, the carriers would lose their full combat potential without a carrier-based fixed-wing early warning aircraft, Wang said. He added that this kind of aircraft can quickly create an early warning and control system to allow an aircraft carrier combat group to independently carry out missions.
China's aircraft carriers currently rely on early warning helicopters to do the job, but they can only carry smaller radars, have limited speed, and only cover a radius of about 200 kilometers, while a fixed-wing early warning aircraft can cover about 400 to 500 kilometers, Wang said.
Judging from the images, Ordnance Industry Science Technology said that the KJ-600 has a very tight fuselage design, making it almost as long as the J-15 aircraft carrier-based fighter jet, and the Z-18 early warning helicopter.
The aircraft carries a radar on the top of its middle fuselage, similar to China's previous early warning aircraft KJ-2000 and KJ-500.
It likely uses two WJ-6C turboprop engines, but could switch to the newer WJ-10s in the future, the report said.
The Forbes report claimed that the KJ-600 looks like the US Navy's E-2C Hawkeye.
Wang said it is natural that similar technological requirements and approaches, including on the design of a carrier-operable aircraft platform and the development of small but capable radar, have led to this.
There is no evidence yet if the KJ-600 can operate on China's current two aircraft carriers, the Liaoning and the Shandong, which use ski-jump flight decks without catapults. China's third aircraft carrier is expected to use a flat flight deck with electromagnetic catapults, which will be compatible with the KJ-600, analysts said.
By Liu Xuanzun Source: Global Times. Published: 2020/9/1 21:16:34
Aircrafts are visible on the deck of the aircraft carrier Liaoning of the PLA Navy. File photo: 81.cn
China's first aircraft carrier-based, fixed-wing early warning aircraft, reportedly called the KJ-600, successfully made its maiden flight in late August, foreign and Chinese media reported. This type of plane will become far-reaching eyes and significantly boost the comprehensive combat capability of Chinese aircraft carriers, which currently only have helicopters for early warning purposes, Chinese experts said on Tuesday.
An aircraft identified as the KJ-600 was recently spotted in Xi'an, capital of Northwest China's Shaanxi Province, in a commercial satellite image, Ordnance Industry Science Technology, a Xi'an-based magazine on the national defense industry, reported on Monday, citing a report on Forbes on Saturday.
Unverified photos posted on social media show it recently made its first test flight, the Chinese magazine said.
The Chinese military or the aircraft's manufacturer has not announced the maiden flight of the aircraft as of press time.
Wang Ya'nan, chief editor of Beijing-based Aerospace Knowledge magazine, told the Global Times on Tuesday that after China built an aircraft carrier, it was expected to develop an aircraft carrier-based early warning system as a priority project.
When China's aircraft carriers sail far away from inland to an extent that land-based early warning aircraft cannot provide early warning support, the carriers would lose their full combat potential without a carrier-based fixed-wing early warning aircraft, Wang said. He added that this kind of aircraft can quickly create an early warning and control system to allow an aircraft carrier combat group to independently carry out missions.
China's aircraft carriers currently rely on early warning helicopters to do the job, but they can only carry smaller radars, have limited speed, and only cover a radius of about 200 kilometers, while a fixed-wing early warning aircraft can cover about 400 to 500 kilometers, Wang said.
Judging from the images, Ordnance Industry Science Technology said that the KJ-600 has a very tight fuselage design, making it almost as long as the J-15 aircraft carrier-based fighter jet, and the Z-18 early warning helicopter.
The aircraft carries a radar on the top of its middle fuselage, similar to China's previous early warning aircraft KJ-2000 and KJ-500.
It likely uses two WJ-6C turboprop engines, but could switch to the newer WJ-10s in the future, the report said.
The Forbes report claimed that the KJ-600 looks like the US Navy's E-2C Hawkeye.
Wang said it is natural that similar technological requirements and approaches, including on the design of a carrier-operable aircraft platform and the development of small but capable radar, have led to this.
There is no evidence yet if the KJ-600 can operate on China's current two aircraft carriers, the Liaoning and the Shandong, which use ski-jump flight decks without catapults. China's third aircraft carrier is expected to use a flat flight deck with electromagnetic catapults, which will be compatible with the KJ-600, analysts said.
Figaro
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Radar being retired?
China: We Can Track the F-22 Raptor and Stealth F-35
Beijing has certainly made this claim in the past. Is it accurate or more hype?
by Peter Suciu
Stealth fighters such as America's F-22 Raptor and F-35 Lightning II Joint Strike Fighter aren't technically invisible, but they are difficult to track on radar. Now the People's Republic of China is claiming its latest fixed-wing early warning aircraft (AEW) can track such aircraft.
The new Xian KJ-600 AEW, which recently conducted its maiden flight, could boost the People's Liberation Army Navy’s (PLAN’s) combat capability dramatically, reported the Eurasian Times. Previously, the PLAN had to rely on early warning helicopters to be the “eyes in the sky,” but these rotary aircraft could only carry smaller radars and had a limited speed. As such the helicopters could cover a radius of some 200 kilometers, while the fixed-wing AEW could cover 400 to 500 km much quicker.
The KJ-600, which was spotted near Xi’an earlier this month, could boost the comprehensive combat capability of the PLAN's new aircraft carriers—but whether it can operate with the two operational carriers is unknown as it may not have the ski-ramp launch capability. The twin-engine, high-wing cargo aircraft was developed as an early warning and control aircraft, and it reportedly uses two WJ-6C turboprop engines. Externally, the Chinese AEW has more than a passing resemblance to the Grumman E-2 Hawkeye, which remains a particularly important asset for the U.S. Navy because of its state-of-the-art radar system.
How state-of-the-art the Chinese radar is by comparison a matter of debate.
According to the report from the Eurasian Times, Beijing-based military expert Li Jie has suggested that the Chinese AEW could even detect the Lockheed Martin-built stealth fighters, while the news piece added that unconfirmed reports also said that Chinese radars are already capable of tracking the F-22.
While this fact hasn't been confirmed, it should be noted that stealth does not make an aircraft invisible even to radar, but rather the stealth technology is meant to delay detection and tracking. So it is possible that Chinese radar could track the F-22 Raptor. One important consideration with the F-22 is whether it is in a “ferry mission” and carrying extra fuel tanks—and in the case of the F-35 whether that aircraft is fully loaded with ordnance beyond what fits in its internal bomb bay.
This is far from the only claim that the Lockheed Martin stealth aircraft can be tracked. Iran has claimed that the Russian-made Rezonans-NE radar system was successfully used to spot and track U.S. F-35 fighters near its borders in January. The Rezonans-NE is a very high frequency (VHF) radar system that was designed to provide early warning against stealth aircraft and stealth cruise missiles as well as tracking and classification. The platform consists of up to four container housed antenna modules covering 90-degree in azimuth and operating independently.
Beijing has certainly made this claim in the past. Is it accurate or more hype?
by Peter Suciu
Stealth fighters such as America's F-22 Raptor and F-35 Lightning II Joint Strike Fighter aren't technically invisible, but they are difficult to track on radar. Now the People's Republic of China is claiming its latest fixed-wing early warning aircraft (AEW) can track such aircraft.
The new Xian KJ-600 AEW, which recently conducted its maiden flight, could boost the People's Liberation Army Navy’s (PLAN’s) combat capability dramatically, reported the Eurasian Times. Previously, the PLAN had to rely on early warning helicopters to be the “eyes in the sky,” but these rotary aircraft could only carry smaller radars and had a limited speed. As such the helicopters could cover a radius of some 200 kilometers, while the fixed-wing AEW could cover 400 to 500 km much quicker.
The KJ-600, which was spotted near Xi’an earlier this month, could boost the comprehensive combat capability of the PLAN's new aircraft carriers—but whether it can operate with the two operational carriers is unknown as it may not have the ski-ramp launch capability. The twin-engine, high-wing cargo aircraft was developed as an early warning and control aircraft, and it reportedly uses two WJ-6C turboprop engines. Externally, the Chinese AEW has more than a passing resemblance to the Grumman E-2 Hawkeye, which remains a particularly important asset for the U.S. Navy because of its state-of-the-art radar system.
How state-of-the-art the Chinese radar is by comparison a matter of debate.
According to the report from the Eurasian Times, Beijing-based military expert Li Jie has suggested that the Chinese AEW could even detect the Lockheed Martin-built stealth fighters, while the news piece added that unconfirmed reports also said that Chinese radars are already capable of tracking the F-22.
While this fact hasn't been confirmed, it should be noted that stealth does not make an aircraft invisible even to radar, but rather the stealth technology is meant to delay detection and tracking. So it is possible that Chinese radar could track the F-22 Raptor. One important consideration with the F-22 is whether it is in a “ferry mission” and carrying extra fuel tanks—and in the case of the F-35 whether that aircraft is fully loaded with ordnance beyond what fits in its internal bomb bay.
This is far from the only claim that the Lockheed Martin stealth aircraft can be tracked. Iran has claimed that the Russian-made Rezonans-NE radar system was successfully used to spot and track U.S. F-35 fighters near its borders in January. The Rezonans-NE is a very high frequency (VHF) radar system that was designed to provide early warning against stealth aircraft and stealth cruise missiles as well as tracking and classification. The platform consists of up to four container housed antenna modules covering 90-degree in azimuth and operating independently.
truthfollower
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I have one question. Is it safe to stand near radars when they are in use?
siegecrossbow
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It's pretty much the same as standing in front of a high powered microwave. You shouldn't stand near it without protective equipment.
truthfollower
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what happens to birds and insects when they cross the radar beam?
siegecrossbow
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Depends on how powerful the radar is. Rumor has it that MIG-25’s radar was powerful enough to cook rabbits.
LKJ86
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The era when a stealth fighter can paralyze an air defense system is gone
2020-10-05 23:10:58
Graphene materials are used in radar, stealth fighters have nowhere to hide
Graphene single crystal breaks the bottleneck, and the chip speed is increased by 1000 times.
Graphite is a very common substance in life, but single-layer graphene is a kind of Very good two-dimensional nanomaterials, with excellent optical, electrical and mechanical properties, are widely used in the fields of material processing, nanotechnology, and biomedicine, and are considered to be a revolutionary future material. However, it is very difficult to prepare single-layer graphene. In 2010, a British physicist and a Russian physicist won the Nobel Prize in Physics for discovering graphene at room temperature. It can be seen that graphene is in the future scientific system. Great value.
my country's Chinese Academy of Sciences successfully broke through the graphene preparation problem last year and established the first fully automated mass-produced graphene production line. The delay frequency of silicon-graphene-transistors prepared with graphene as the main raw material has been shortened by more than 1,000 times. It is expected to realize the production of ultra-high-speed transistors in the future. Compared with traditional high-integrated circuits, it has a faster response speed. If applied in electronics In the equipment, the electronic reaction speed will be greatly improved.
Graphene materials are used in radar, stealth fighters have nowhere to hide
The emergence of graphene has brought revolutionary changes to information technology, and all electronic equipment Performance will also improve by leaps and bounds. Adding one-thousandth of graphene to the non-conductive plastic can make the plastic have good conductivity and increase the heat resistance by 30°C; the graphene material has the characteristics of light and thin, good stretchability, and strong toughness. Use it to make The screen can be bent arbitrarily; using the characteristic that lithium ions can shuttle freely between the graphene electrodes and the surface, the battery produced can be charged for a few minutes and can continue to discharge for thousands of hours.
In the military industry, graphene has a greater effect. Radars made of graphene have faster response speed and resolution, and processing capabilities have increased exponentially, even for F-22 The stealth fighter has nowhere to hide. The application of graphene in the military is bound to set off a new round of technological revolution, forcing active fighters to be updated and upgraded, and the era when a stealth fighter can paralyze an air defense system is gone.
The era when a stealth fighter can paralyze an air defense system is gone
2020-10-05 23:10:58
Graphene materials are used in radar, stealth fighters have nowhere to hide
Graphene single crystal breaks the bottleneck, and the chip speed is increased by 1000 times.
Graphite is a very common substance in life, but single-layer graphene is a kind of Very good two-dimensional nanomaterials, with excellent optical, electrical and mechanical properties, are widely used in the fields of material processing, nanotechnology, and biomedicine, and are considered to be a revolutionary future material. However, it is very difficult to prepare single-layer graphene. In 2010, a British physicist and a Russian physicist won the Nobel Prize in Physics for discovering graphene at room temperature. It can be seen that graphene is in the future scientific system. Great value.
my country's Chinese Academy of Sciences successfully broke through the graphene preparation problem last year and established the first fully automated mass-produced graphene production line. The delay frequency of silicon-graphene-transistors prepared with graphene as the main raw material has been shortened by more than 1,000 times. It is expected to realize the production of ultra-high-speed transistors in the future. Compared with traditional high-integrated circuits, it has a faster response speed. If applied in electronics In the equipment, the electronic reaction speed will be greatly improved.
Graphene materials are used in radar, stealth fighters have nowhere to hide
The emergence of graphene has brought revolutionary changes to information technology, and all electronic equipment Performance will also improve by leaps and bounds. Adding one-thousandth of graphene to the non-conductive plastic can make the plastic have good conductivity and increase the heat resistance by 30°C; the graphene material has the characteristics of light and thin, good stretchability, and strong toughness. Use it to make The screen can be bent arbitrarily; using the characteristic that lithium ions can shuttle freely between the graphene electrodes and the surface, the battery produced can be charged for a few minutes and can continue to discharge for thousands of hours.
In the military industry, graphene has a greater effect. Radars made of graphene have faster response speed and resolution, and processing capabilities have increased exponentially, even for F-22 The stealth fighter has nowhere to hide. The application of graphene in the military is bound to set off a new round of technological revolution, forcing active fighters to be updated and upgraded, and the era when a stealth fighter can paralyze an air defense system is gone.
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