The above-mentioned organizational units in accordance with the the GB/T19392-2003 car GPS navigation systems
WASHINGTON buy "car navigation" was actually in use for ten years before the old map; the lack of navigation software path recalculation once deviated from the route on the repeated "U-turn" until the crash ... The reporter learned from China's first satellite navigation products certification results conference "that the verification test by the country's 19 districts, the actual sports car, only less than 30% of satellite navigation products through the certification test, the quality of the GPS satellite navigation products overall level of worrying.
It is reported that the inspection and certification for satellite navigation products are certified by the China Electronics Technology Group Corporation 54th Research Institute, China Electronic Chamber of Commerce, national communications and navigation equipment Quality Supervision and Inspection Center jointly organized by the The inspection and certification sector support of the Ministry of Industry and Information Technology, Ministry of Science and Technology Division, Electronic Information Division, General Staff Headquarters Bureau of Surveying and Mapping.
The above-mentioned organizational units in accordance with the the GB/T19392-2003 car GPS navigation system General Specification and Certification Center of China Electronics Technology Group Corporation 54th Research Institute released satellite navigation product certification implementation details "requirements of the mainstream manufacturers on the market 13 18 types of satellite navigation products quality inspection and testing, and in 19 regions across the country to carry out the work of the actual sports car verify the end, only three manufacturers of 5 products passed the certification test, the pass rate of less than 30%.
This reporter learned that the current GPS satellite navigation products on the market quality issues highlighted in the following areas: performance, positioning accuracy and low sensitivity, the signal is often lost can not navigate. Found in testing, (2) navigators reach the destination and actual destination of a few hundred meters away; 1 navigator often signal loss and can not complete the navigation work. It is silent, even 3 navigator to finish the 29 cities and counties the village road test "has been unable to use the worse, there is the quality of not even completed the road test on the broken .
The inspection of products, there are 17 navigator want to find the destination does not exist, or search to the destination car camera but no road information, the phenomenon makes it impossible to navigate. Some navigation systems in use 10 years ago, the old map. Map updates in a timely manner is widespread: 18 models of navigators are prohibited to turn left, turn around, such as one-way street sign not timely updated, resulting in illegal sections of the plan a route. "
In addition, the manual is too simple, path planning is unknown, electromagnetic compatibility problems, is also more common in the market navigation product.
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