Type 751 Radar

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Type 751 radar is a Chinese navigational radar used by Chinese merchant ships and ships of Chinese navy, and it is the first navigational radar developed by Shanghai 4th Radio Factory, which subsequently also developed many other Chinese navigational radars after this humble beginning. Development begun in October 1963, with a design team led by the deputy general engineer Mr. Zhang Yuan-Zhen (张元震) and Engineer Gu Xie-Xiang (顾燮祥). [1] First sample was completed by the end of 1964, and in September 1965, the radar was installed on the Chinese naval ship Luoyang (ex-HMAS Bendigo (J187)). [1]

Peoples Liberation Army Navy maritime warfare branch of Chinas military

The People's Liberation Army Navy, also known as the PLA Navy, is the naval warfare branch of the People's Liberation Army, which is the armed wing of the Communist Party of China and, by default, the national armed forces of the People's Republic of China. The PLAN can trace its lineage to naval units fighting during the Chinese Civil War and was established in September 1950. Throughout the 1950s and early 1960s, the Soviet Union provided assistance to the PLAN in the form of naval advisers and export of equipment and technology. Until the late 1980s, the PLAN was largely a riverine and littoral force. However, by the 1990s, following the fall of the Soviet Union and a shift towards a more forward-oriented foreign and security policy, the leaders of the Chinese military were freed from worrying over land border disputes, and instead turned their attention towards the seas. This led to the development of the People's Liberation Army Navy into a green-water navy by 2009. Before the 1990s the PLAN had traditionally played a subordinate role to the People's Liberation Army Ground Force.

Luoyang Prefecture-level city in Henan, Peoples Republic of China

Luoyang is a city located in the confluence area of Luo River and Yellow River in the west of Henan province. Governed as a prefecture-level city, it borders the provincial capital of Zhengzhou to the east, Pingdingshan to the southeast, Nanyang to the south, Sanmenxia to the west, Jiyuan to the north, and Jiaozuo to the northeast. As of the final 2010 census, Luoyang had a population of 6,549,941 inhabitants with 1,857,003 people living in the built-up area made of the city's five urban districts, all of which except the Jili District are not urbanized yet.

HMAS <i>Bendigo</i> (J187) corvette in the Royal Australian Navy (launched 1941)

The first HMAS Bendigo (J187/B237/A111) was a Bathurst-class minesweeper, a group commonly known as corvettes and including escort and patrol duties along with minesweeping.

The original antenna of Type 751 radar was parabolic, and later a slotted array was also developed in the later production stage. The maximum range is 48 nautical miles, and it utilizes a 31 cm display. [1] The radar can be integrated to electronic support measures and IFF. To support the urgent production need, Qingdao 3rd Radio Factory was also tasked with the production. By the end of production run in June 1983, 1117 sets have been produced by Shanghai 4th Radio Factory and another 228 were produced by Qingdao 3rd Radio Factory. [1] Type 751 radar utilized vacuum tubes. [1]

Qingdao Prefecture-level and Sub-provincial city in Shandong, Peoples Republic of China

Qingdao is a major city in the east of Shandong Province on China's Yellow Sea coast. It is also a major nodal city of the One Belt, One Road (OBOR) Initiative that connects Asia with Europe. It has the highest GDP of any city in the province. Administered at the sub-provincial level, Qingdao has jurisdiction over six districts and four county-level cities. As of 2014, Qingdao had a population of 9,046,200 with an urban population of 6,188,100. Lying across the Shandong Peninsula and looking out to the Yellow Sea, it borders Yantai to the northeast, Weifang to the west and Rizhao to the southwest.

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Type 752 radar is a Chinese navigational radar used by Chinese merchant ships and ships of Chinese navy. Developed by Shanghai 4th Radio Factory in the mid-1960s, it’s the first Chinese navigational radar that utilizes transistors. The only vacuum tubes used in this radar system were in the transmitter and display. Development begun in 1965 and was completed in the following year. Om 1969, an improved version Type 752-Jia (752甲) was developed. Type 752 radar utilizes slotted array antenna, which replaced the parabolic antenna previously used on earlier radars and the maximum range is 48 nautical miles. In addition to navigation and surface search, Type 762 onboard Chinese naval vessels is also used as low altitude surveillance radar. In addition to Shanghai 4th Radio Factory, Type 752 radar is also manufactured by Shanghai 101st factory and by the end of 1990s, a total of 1705 were produced.

Type 753 radar is a Chinese navigational radar used by Chinese merchant ships and ships of Chinese navy. Developed by Shanghai 4th Radio Factory in the early 1970s, Type 753 radar is fully transistorized, with a maximum range of 48 nautical miles. In 1979, efforts were made to improve MTBF of this radar, resulting in drastic increase of MTBF, from the original 107 hours in 1978 to 406 hours in 1980. In 1981, the radar achieved a mile stone of continuously operating 1000 hours without failure.

Type 756 radar is a Chinese navigational radar developed in the 1970s by Shanghai 4th Radio Factory. Type 756 radar is a dual band radar that utilizes S and X bands, and the utilization of S-band on the navigational radar is the first in China. Type 756 radar is used by both Chinese merchant ships and ships of Chinese navy. The solid state radar digitally displays range and bearing on large display and the maximum range is 96 nautical miles.

Type 757 radar is a Chinese navigational radar designed for small boats such as Chinese fishing boats and small auxiliary vessels of the Chinese navy. Developed by the Shanghai 4th Radio Factory in the early 1980s. A total of 657 was produced by the end of 1990s, and the radar earned two awards, the first was in 1984 for municipal quality and ministry award, and the second time in 1985 for national award. The range of this small radar is 24 nautical miles.

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Type 346 radar is a highly digitized, multi-function, dual-band naval active electronically scanned array (AESA) installed on Type 052C destroyers, Type 052D destroyers, Type 055 destroyers and Type 001A aircraft carriers of the PLAN. The radar is named as the Star of the Sea by its developer and it is one of the two competitors for PLAN’s SAPARS project/program. Due to its secrecy and lack of information, Type 346 radar has been frequently but erroneously confused with a Chinese fire control radar Type 348, and mistakenly identified as Type 348 by many sources. Furthermore, it is also frequently confused with and misidentified as Sea Lion series C-band phased array radars developed by another design house. Several models in the Type 346 series have been developed. When Star of the Sea was selected as the winner of SAPARS and accepted into Chinese service, it received the Chinese naval designation for the entire radar system as H/LJG-346 or Type 346 for short. The NATO reporting name for Type 346 radar is Dragon Eye.

H/ZKJ series and its derivative H/ZKT series naval systems are Chinese combat data /management systems (CDS/CMS) installed onboard Chinese surface combatants of the People's Liberation Army Navy (PLAN), and they are usually referred as ZKJ and ZKT for short. The designation is an abbreviation of Pinyin: H for Haijun, Z for Zhihui, and K for Kongzhi, J for Jian and T for Ting.

References

  1. 1 2 3 4 5 "Radar".