23/06/2019
- Leader will arrive on Thursday, ahead of G20 summit in Osaka, foreign ministry says
- He is expected to hold talks with Donald Trump on sidelines of meeting
China has confirmed that President Xi Jinping will travel to japan this week. Photo: AFP
China on Sunday confirmed that President Xi Jinping will attend the G20 summit in Osaka this week.
Xi will spend three days in Japan – his first visit to the country since coming to power in 2013 – the foreign ministry said.
He will travel to Japan on Thursday and is expected to meet his US counterpart Donald Trump on the sidelines of the meeting of leading and emerging economies, which runs from Friday to Saturday, it said.
It is possible the pair will hold formal negotiations over dinner, as they did in Argentina in December at the last G20 summit.
Presidents Xi and Trump are expected to hold talks over dinner, as they did in Argentina in December. Photo: Kyodo
On Saturday, People’s Daily, the mouthpiece of China’s Communist Party said in a commentary that the trade war between China and the US could be resolved only through “equal conversation”.
“For the talks to resume … the key is to address the primary concern of the other side. The tariffs already in place must be revoked,” it said.
Trade deal ‘within reach if Xi and Trump show courage’
Meanwhile, state broadcaster CCTV on Friday criticised Washington’s decision to add five Chinese companies to its list of entities considered a threat to national security.
“The US made this move to put more pressure China ahead of the trade talks,” it said, adding that it might produce a result opposite to the one desired by Washington.
The report came after the US commerce department said it had added five Chinese firms that manufacture supercomputers and their components to the entity list, restricting their ability to do business with the US.
The blacklist effectively bars American firms from selling technology to the Chinese organisations without government approval. Last month, the commerce ministry added telecoms giant
to the list, heightening tensions with Beijing.
Xi told Trump on Tuesday he was willing to meet in Japan. Photo: AP
In a telephone conversation on Tuesday, Xi told Trump he was willing to meet in Japan and said he “agreed that the two countries’ trade delegations should keep communications going to solve their differences”, CCTV reported.
Kong Xuanyou, China’s new envoy to Japan, said on Friday that he hoped Xi would make an official visit to the country soon, ideally during the cherry blossom season next spring. The foreign ministry statement made no mention of such a visit.
Source: SCMP
Posted in CCTV, China confirms, China’s new envoy to Japan, Commerce Ministry, equal conversation, Foreign Ministry, G20 summit, Huawei, Japan, mouthpiece of China’s Communist Party, Osaka, People’s Daily, President Donald Trump, President Xi Jinping, revoked, tariffs, three-day trip, Uncategorized, Washington |
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12/06/2019
- Radar expert Liu Yongtan says surface wave system could track ships and planes from hundreds of kilometres away and is protected from anti-radiation missiles
Stealth aircraft like the US F-35 are less well protected against high-frequency surface wave radars. Photo: AP
China has developed a radar system that could detect stealth fighters from a long distance, its creator has told state media.
Liu Yongtan, a member of the Chinese Academy of Sciences, told Naval and Merchant Ships that the new high-frequency surface wave radar (HFSWR) was also masked from anti-radiation missiles which can detect and destroy radio waves from other early warning systems.
The interview with the monthly magazine, which is published by the China Shipbuilding Engineering Academy, was reprinted by state-owned tabloid Global Times on Monday.
Liu, an 83-year-old who has dedicated his life to studying radar systems, said the new radar features “high-frequency electromagnetic waves that have long wavelengths and wide beams”.
Unlike microwave or skywave signals, surface waves travel along the spherical surface of the earth.
“A land-based version of the system can detect naval and aerial hostile objects from hundreds of kilometres away, which helps expand the range of China’s maritime early warning and defence systems,” Liu said.
He also said the long wavelength could help detect stealth aircraft, which use special protective materials and designs to make them “invisible” to microwave radars, but have no such protection against high-frequency surface waves.
Chinese navy’s new ‘compact’ radar will allow it to keep watch over an area the size of India
Another advantage of the maritime radar system is what Global Times described as “immunity” to attack from anti-radiation missiles, which track and destroy the origin of the electromagnetic waves.
Liu said that anti-radiation missiles would need huge antennas to track high-frequency surface waves because their beams are too wide for the antennas currently in use to track.
Plenty of practical challenges – such as signal loss and noise interference – need to be overcome to use high-frequency surface waves in radar.
Liu Yongtan was given China’s top scientific honour for his work on the radar. Photo: Weibo
However, Shi Lao, a Shanghai-based military commentator, said Liu’s team must have overcome those challenges.
Shi said he believed that as Liu’s technology developed it could be used as a low-cost coastal monitoring system that could protect the coastline within a range of 400km (250 miles).
Japan boosts island radar surveillance to catch Chinese, North Korean ships
The technology can also be used in conjunction with skywave radar systems, which usually have a longer monitoring range of 1,000km (621 miles).
“HFSWR could work 24 hours in all weathers, which would be much cheaper than operating early warning aircraft,” Shi said.
“They can be deployed relatively quickly with high mobility if they are mounted on vehicles, and may be loaded onto warships in the future.”
State broadcaster CCTV has previously reported that China has built a high-frequency surface wave radar test centre in Weihai, on China’s east coast in Shandong province.
In January
, China’s highest award for scientists which includes prize money of 8 million yuan (US$1.2 million), for his work on the radar system.
Source: SCMP
Posted in antennas, anti-radiation missiles, CCTV, China Shipbuilding Engineering Academy, China’s maritime early warning and defence systems, Chinese Academy of Sciences, Chinese navy, creator, electromagnetic waves, Global Times, high-frequency radar system, high-frequency surface wave radar (HFSWR), India alert, invisible, Japan, long distance, microwave radars, Naval and Merchant Ships, North Korean ships, shandong province, spot, State Pre-eminent Science and Technology Award, stealth aircraft, surface wave system, Uncategorized, Weihai |
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