First, inertial navigation prospects

In some common special occasions, the use of more, but because of GPS navigation shade, high-rise buildings, viaducts, tunnels, underground parking lots and other complex environments, the technical defects of navigation can not provide accurate positioning information.

However, inertial navigation has a long history of development and relatively mature technology, inertial navigation has two most important advantages

(1) Inertial navigation positioning does not require exogenous information

Inertial navigation can be said to be an antique, but today its position is still unshakeable. Both satellite navigation and radio navigation are limited by external information. Once satellites are unavailable and there are no navigation stations, these navigation systems are completely paralyzed.

But inertial navigation doesn't need to use external information at all. The initial data it uses to calculate comes from itself, and is neither affected by external interference nor does it send any signals, let alone any other equipment, so inertial navigation is mainly used in the military.

(2) The continuity of inertial navigation and positioning

The positioning of other navigation and positioning systems is a point, while the position of inertial navigation is a continuous curve, which is also a great advantage.

Therefore, due to the defects of satellite navigation, inertial navigation still occupies a place in many navigation systems for a long time.

2, the development trend of inertial navigation is combined with satellite navigation, now combined with Beidou. Tiangong measurement and control has developed a GPS / BeiDou satellite navigation vehicle combination navigation module set of inertial navigation combination SKM-4DX.

DR2000 integrated vehicle combination navigation module GPS / BeiDou satellite navigation INS inertial navigation. The combination navigation module to make full use of the advantages of inertial navigation systems and satellite navigation systems, integration of Kalman filtering algorithms to obtain the best navigation and positioning;

At the same time, the DR2000 navigation module also proposes an intelligent identification algorithm for satellite navigation accuracy, which can be independently switched between combined navigation and pure inertial navigation. If the satellite navigation accuracy is good, the combination navigation will be carried out; once the satellite navigation signal is found to be poor or even lost, the pure inertial navigation will be carried out.

Ltd. specializes in high-precision GNSS modules and wireless communication products, technology development and application promotion service providers, relying on the wireless communication technology in the field of R & D and promotion of experience, JUNODA set up a team with a wealth of experience in hardware and software development technology, aimed at domestic and foreign OEM / ODM customers and system integrators to provide high-quality, high-performance wireless modules and applications! We aim to provide high-quality, high-performance wireless modules and application programs to OEM/ODM customers and system integrators at home and abroad, and create long-term value for customers!

The company mainly provides integrated antenna module, dual-frequency high-precision module, single-frequency high-precision module, thousand-seeking high-precision module, Zhongke micro-positioning module, U-BLOX positioning module, SICOM communication module, inertial navigation DR module, UWM GNSS module, RTK differential module, 4G communication module and high-precision antenna, etc., the products are sold well in Beijing, Shanghai, Shenzhen, Guangdong, Jiangsu, Zhejiang, Sichuan, Hunan and other parts of the country. Our GNSS modules are widely used in many application fields, such as drones, vehicle security monitoring and dispatching, automatic bus stop announcement, DVR, car DVD navigation, GPS electronic dog, synchronized timing, high-altitude balloon monitoring, engineering machinery, industrial automation, etc. In the field of wireless communication products, the company is closely involved in the field of wireless communication, such as RTK differential module, 4G communication module and high-precision antenna.

In the field of wireless communication products, the company follows the latest development of international communication technology, introduces and acts as an agent for wireless communication modules that meet the market demand, and the products have a comprehensive layout from 2G, 3G, 4G, and are widely used in financial electronic payment, vehicle remote control, remote advertising information, repeater monitoring, mobile Internet terminals, smart home, remote medical care, network testing, enterprise information management, anti-theft alarm, Remote video transmission, intelligent meter reading, mobile computing, network navigation, voice phone, wireless gateway and other fields. Focused areas include video surveillance, network optimization, routers, POS and other M2M industry applications.

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