CN111522027A
2020-03-11
Beidou communication terminal, system and method applied to ship positioning and direction finding
CN111369153A
2020-03-09
Railway maintenance tool management system
CN111181628A
2020-01-09
Method, terminal and storage medium for transmitting voice data through Beidou short message
CN110995335A
2020-01-03
Beidou short message receiving device and method supporting double antennas
CN110867658A
2019-12-04
Small satellite navigation equipment shell and design method thereof
CN110794427A
2019-11-13
Programmable system and method for testing sensitivity of navigation receiver
CN110632629A
2019-09-17
Self-adaptive Kalman filtering method suitable for high-dynamic non-stationary system
CN109951840A
2019-03-06
A kind of more smart card extended methods and system
CN109905146A
2019-03-06
A kind of storage spread spectrum code stream synchronization system read based on burst
CN109631996A
2018-12-19
A kind of EMS and method based on Beidou RD communication
CN109658669A
2018-12-18
A kind of wechat terminal communication system and method based on Beidou RD
CN109375246A
2018-12-18
A kind of high-accuracy position system applied to rail traffic
CN109495097A
2018-12-17
A kind of chance taps circuit and its on-off method
CN109507703A
2018-12-17
A kind of GNSS carrier phase calculation method
CN108709551A
2018-06-14
Outdoor foot movement navigation system based on label and method
CN108827276A
2018-06-14
A kind of open air pedestrian navigation system and method
CN106872998A
2017-04-26
A kind of difference GNSS positioning and communicating devices based on RDSS
CN107105414A
2017-04-26
A kind of income system and method for Big Dipper RDSS short messages and SMS
CN107134041A
2017-04-26
A kind of scenic spot volume of the flow of passengers data collecting system and method
CN107064958A
2017-04-26
A kind of Dual base stations multichannel satellite signal receiving processing system
