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wholesale jewelry suplies for pearls Beidou Satellite Navigation System (BDS) is a global satellite navigation system developed by China. It is the third mature satellite navigation system after GPS and Glonass. It is the supplier of the United Nations Satellite Navigation Commission. China's satellite navigation system has been recognized by international maritime organizations. This is an important step that the system has taken its goal: accepted by the world, comparable to the United States Global Positioning System (GPS).
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This to make the traffic information improve and accurate. This guarantees operational safety and improves operational efficiency: Citizens can get more accurate buses to stop time, and urban managers can better supervise driving behaviors such as vehicle speeding, relying on stations, and cross -line.
Reference materials:
1. Introduction to Beidou satellite navigation system
2. It is officially recognized by the United Nations, comparable to GPS
Extension information:
The China Satellite Navigation Annual Conference was held at the western suburbs of Beijing. The Scientific Committee of the China Satellite Navigation Annual Conference, the Organization Committee, the China Satellite Navigation System Management Office and other support units, the chairman of the branch, the tenth annual conference contractor, the eleventh annual meeting applied for the contractor unit, the annual conference excellent oral report to win the award Nearly 150 personnel and relevant unit representatives attended the meeting. The meeting was chaired by Yang Changfeng, chief designer of the Beidou Satellite Navigation System Engineering and vice chairman of the Science Committee of the Annual Conference.
jewelry wholesale to public Military function
The military function of the "Beidou" satellite navigation positioning system is similar to GPS, such as: positioning navigation of sports targets; fast positioning of the launch position of the weapon vehicle launch of the reaction time; Wait.
This function is military, which means that you can take the initiative to position the troops at all levels, that is, once the mainland troops at all levels are equipped with the "Beidou" satellite navigation positioning system, in addition to their own positioning navigation, senior commander command The ministry can also master the position of the troops through the "Beidou" system at any time and pass the relevant commands, which is quite helpful for the implementation of the task. In other words, the mainland can use the "Beidou" satellite navigation positioning system execution system to conduct command and control and battlefield management.
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Personal location service
When you enter unfamiliar places, you can use mobile phones or vehicle satellite navigation devices equipped with Beidou satellite navigation to receive chips to find the route you want to take.
Meteorological application
The development of Beidou navigation satellite meteorological application can promote China's weather analysis and numerical weather forecast, climate change monitoring and prediction, and improve the level of spatial weather early warning business, improve China's meteorological disaster prevention and mitigation and mitigation. ability.
In addition, the meteorological application of the Beidou navigation satellite system has an important impact on promoting the innovative application and industrial expansion of Beidou navigation satellite.
Road traffic management
Satellite navigation will help slow down traffic obstruction and improve road traffic management level. By installing a satellite navigation receiver and data transmitter on the vehicle, the location information of the vehicle can be automatically forwarded to the central station within a few seconds. These location information can be used for road traffic management
Satellite navigation will promote the upgrading and transformation of traditional transportation methods. For example, in the field of railway transportation, by installing satellite navigation terminal equipment, it can greatly shorten the interval between the train, reduce transportation costs, and effectively improve transportation efficiency. In the future, the Beidou satellite navigation system will provide highly reliable, high -precision positioning, speed measurement, and timing services to promote the modernization of railway transportation and realize the transformation of traditional scheduling to intelligent transportation management.
The sea transportation and water transport
News and water transportation are one of the most widely transported methods in the world and one of the earliest applications for satellite navigation. Most of the various types of ships traveling in the world's oceans and rivers and lakes are installed with satellite navigation terminal equipment to make sea and water transport more efficient and secure. Beidou satellite navigation systems will provide navigation positioning and safety guarantee for water navigation ships under any weather conditions. At the same time, the telecommunications function unique to the Beidou satellite navigation system will support the development of various new services.
Alipping transportation
When the plane landed at the airport runway, the most basic requirement was to ensure the safe distance between the aircraft between the aircraft. Using the advantages of accurate positioning and speed measurement of satellite navigation, the instantaneous position of the aircraft can be determined in real time, effectively reducing the safe distance between the aircraft, and even in the case of heavy fog weather, it can achieve automatic blind drops, which greatly improves flight safety and airport operations. efficiency. By combining the effective combination of the Beidou satellite navigation system with other systems, more security guarantees will be provided for aviation transportation.
Emergency rescue
Satellite navigation has been widely used in searches and rescue in the sparse areas of deserts, mountains, ocean and other people. When major disasters such as earthquakes and floods, the key to the success of rescue is to understand the disaster in a timely manner and reach the rescue location quickly. In addition to the navigation positioning of the Beidou satellite navigation system, it also has a short newspaper communication function. Through satellite navigation terminal equipment, it can report the location and disaster situation in time to effectively shorten the time of rescue search, increase the time limit for rescue and disaster relief, and greatly reduce the loss of people's lives and property.
The guide grazing
In October 2014, the Beidou system began to pilot the construction of Beidou satellite grazing informatization guidance system in the Pastoral area of Qinghai Province. Automatic stations to realize data information transmission, and through the transfer of Beidou ground stations and Beidou star group transits and relay treatment to achieve dynamic monitoring of pastures and cattle and sheep. In the summer of 2015, herders in pilot pastoral areas can use special Beidou smart terminal devices to guide grazing.
half moon jewelry wholesale After the Beidou navigation system is perfect, our military will not rely on GPS, so that the missile precise guidance, troops activities, and ship driving can be achieved by themselves. It also has great role in civil. For example, the Beijing Zhang Smart high -speed rail is used to use the Beidou navigation system to accurately drive, as well as the fishing boats to go to sea, the positioning and navigation of the vehicle, and other aspects have extraordinary significance.
In addition to serving the country, the role of the Belt and Road and friendly countries is also very great. Let more circle of friends get rid of the restrictions of GPS, expand the influence of my country's science and technology, and bring a lot of economic benefits. Essence At present, more than 40 countries have used the Beidou system, which has played a great role in data transmission, transportation, fine agriculture, land planning, urban tourism, and disaster rescue.
The establishment of the Beidou navigation system has also enhanced my country's scientific and technological strength. A large number of new technologies such as the use of constellation reliability analysis, satellite co -position, large -scale integrated circuit space application, domestic carbon fiber and other new technologies on the Beidou system have significantly promoted the basic disciplines and industries of my country's structural materials, micro -treatment computers, microwave devices, electronic technology and other basic disciplines and industries. The rapid development has improved the localization level of the equipment in related fields, and enhanced the leadership of the technology industry's leading -edge technology development. As a upstream industry, the Beidou navigation satellite system not only tractions the development of raw materials, components, and manufacturing processes, but also promotes downstream downstream. The formation of basic products, navigation end user products and operational service industry chains has contributed to building the next generation of information infrastructure, developing a modern information technology industry system, and promoting the national economy and rapid development.
wholesale spurs jewelry The four major satellite navigation systems in the world today are compelling. While accelerating the construction of the Beidou system, there is a problem that cannot be avoided, what is the relationship between Beidou and other satellite navigation systems? In this regard, China gave an answer at the beginning of the construction of the Beidou navigation system- "Beidou in China, the world's Beidou". Beidou must be compatible with other satellite navigation systems and develop together. Principle.
In fact, the concept of openness and compatibility construction not only meets the development needs of China Beidou, but also meets the needs of global users.
The civil aviation application as an example. Li Rui introduced to reporters that civil aviation requirements for satellite navigation are relatively high. In individual GPS use, due to the insufficient number of constellations or uneven distribution, it will affect the normal of aircraft navigation. use. With the entry of international civil aviation standards such as Beidou, Grenas, Galileo, and other systems, we can see satellites of more than 4 times on the future aircraft, which will bring great benefits to global users.
However, it has to be acknowledged that China Beidou has been in its start for nearly 20 years than GPS. Whether it is a standard for joining or application promotion, there is still a certain gap in China Beidou. To achieve the global Beidou service, we must continue to promote the international development of the Beidou system.
It serving the world must cover the world. According to Xie Jun, China will fully cover the "Belt and Road" countries and regions in 2018, and take the lead in providing basic services for it. In 2020, it will achieve 35 Beidou satellite global networking, which will have the ability to serve the world.
The service globe must be integrated into the world. At present, China is actively promoting the Beidou system to enter the International Civil Aviation Organization, International Maritime Organization, and International Standard Organization for Mobile Communications.
It serving the world's need for industrial support. Only by industrial departments, aircraft, ships and other equipment manufacturers, choose the equipment to install Beidou can Beidou navigation be used to practicality.
"The establishment of the system, the addition of standards, the development of equipment, and the promotion of application. Only after these 4 stages are completed can Beidou really obtain international applications." A lot of detours are also taken in the standards and industry applications. China Beidou also takes its own development path on the basis of learning. "
■ What surprises will Beidou bring in the future?
The industrial integration and development prospects are broad
Workers only need to operate simply, logistics packaging can automatically choose the packaging box and sort and distribute; farmers can do housework at home to tease their baby, and they can be in the field through drones There are seeds squeezing medicine; the police sitting in the command center can accurately dispatch patrol police cars and police forces; herdsmen sit at home and drink milk tea and talk about the sky, and they can graze a few kilometers of sheep flocks ...
Have you ever thought that these scenes are becoming reality through Beidou.
With the gradual construction of the Beidou satellite navigation system, Beidou's high -precision positioning, high -precision timing, and short newspaper sending function will be integrated with the Internet, big data, cloud computing and other technologies. Beidou Agriculture "and" Beidou Work ", Beidou will fly into the home of the world, bringing more convenience and surprises to people.
At present, Beidou has been widely used in transportation, marine fishery, hydrological monitoring, meteorological forecasting, surveying and mapping geographical information, forest fire prevention, power scheduling, disaster relief and disaster reduction, emergency search and rescue and other fields. Essence According to Zhang Jun, with the application of the Beidou system and the construction of the global system of Beidou III, China Civil Aviation has also carried out related work in advance.
At the same time, the complete Beidou industry chain has begun to take shape and go overseas. In just a few years, the output value of China's satellite navigation and location service industry has exceeded 200 billion yuan. There have been 14,000 companies engaged in Beidou development and application nationwide. In more than 70 countries and regions, it has attracted a large number of loyal "Beidou Fan" Essence A large number of world -level Beidou products have emerged from time to time, and have achieved scale applications in Southeast Asian countries such as Myanmar, Thailand, Vietnam, and South Korea. They are also exported to the Middle East and Africa regions.
fashion jewelry wholesale nyc my country's Beidou Satellite Navigation System implements a clear "three -step" construction plan: the first step is the test system stage. In 2000, two Earth Static track satellites were launched and put into operation to build the "Beidou 1" system; the second step is the region During the system construction stage, the number of satellites in the "Beidou 2" satellite in 2012 reached 14, and the Beidou regional system covered the Asia -Pacific regional system; the third step was the "Beidou 3" global network, with a total of 35 satellites covering the world in 2020.
The satellite launch plan for Beidou 3 has steadily advanced. As of the end of August 2018, the Beidou 3 system has successfully launched 12 global network satellites (2 launched in 2017, and 10 launched 10 pieces in 2018 in 2018 ), Have achieved coverage of Pakistan, Saudi Arabia, Myanmar, Indonesia and other countries. According to the launch plan of Beidou, about 17 Beidou satellite launch will be completed throughout the year in 2018, and it will be the first to provide more accurate and high -quality positioning services for countries along the “Belt and Road” to achieve the “Beidou of China” to the “world’ s Beidou. Provide location services for overseas countries.
It from the perspective of industry market development space, China's satellite navigation and location service industry market has continued to expand, total industrial output value has steadily increased, and market development space has great potential. The output value of satellite navigation and location service industry reached 255 billion yuan, an increase of 20.4%year -on -year. The core industry output value of the core industry, including chip technology manufacturing, algorithms, and terminals reached 90.2 billion yuan, of which Beidou technology contributed more than 80%, which is the core technology industry. Key driving force; in addition, the output value of market output value such as software applications and industry data, system integration, and position -based operation services reached 164.8 billion yuan. The domestic satellite navigation equipment market size accounted for nearly 15%of the global market. As the technology of the Beidou system matured The rise of degree and the expansion of the industry application market will continue to increase in the future of Beidou related products in the international satellite navigation market.
From the perspective of the application field, the Beidou system is currently widely used in surveying, mapping, and mapping. More than a dozen industry areas such as transportation, maritime ship transportation, agriculture, forestry and fishery, land monitoring, excavation and exploration, and public utilities. According to the "2018 China Satellite Navigation and Location Service Industry Development White Paper", the domestic domestic includes smartphones, including smartphones The total number of social users who adopt Beidou compatible chips with a total of nearly 500 million units, and the proportion of domestic sales smartphones and capacity of Beidou has exceeded 50%. In 2020, the scale of Beidou applications in major market segments such as transportation, precision agriculture, urban comprehensive security, and smart city construction is expected to exceed 2 trillion yuan. The satellite navigation system, the positioning of Beidou development is also a comprehensive benchmarking GPS to become the world's Beidou. In the 1980s, China realized the importance and strategic significance of the independent satellite navigation system to national security. Navigation system.
GPS uses military P code and civilian C/A code, corresponding to the precision positioning service (PPS) and standard positioning services (SPS), the positioning accuracy of the civil code is much less than the military code. And the military code is only provided to the U.S. military and authorized agencies. If other countries use GPS, they can only rely on civilian codes to achieve positioning and navigation services. Once they are in important security areas such as military, they will lead the risk of being disturbed or even closed at any time. In April 2018, the United States intervened in Syria conflict. The U.S. military influenced the weapons and positioning devices guided by GPS signals by closing the GPS civilian signal of the Syrian region, providing only military signals to the U.S. military themselves. With independence or autonomy or The multi -mode satellite navigation system has become a national security choice.
In Syria measured GPS signals
In the context of Sino -US trade friction, Beidou's independent controlling value is prominent. At present, all key components of the Beidou Full Industry Chain have basically achieved localization. As of the end of 2017, the total amount of satellite navigation patent applications in my country has exceeded 50,000, and it has jumped in the world for the first time. To achieve historic breakthroughs on key components, the 28nm Beidou compatible chip is independently developed. The lowest single -chip price is only 6 yuan, and the overall performance is even better than that of international products. In 2017, domestic high -precision board cards and receiving machine antenna sales accounted for 30%and 90%of the domestic market share, respectively.
It's overall structure of the Beidou navigation system, divided into three parts: satellite section, ground section, and user end. From the perspective of the corresponding industrial chain structure, it is divided into upstream basic components, midstream terminals, and in System integration, and downstream operation services: three major links.