Satellite navigation receiver DEVICE quick search navigation signals in conditions of high dynamics PROPERTY

摘要

Receiver of satellite navigation device quickly search navigation signals in high dynamics of the object, comprising series-connected radio-frequency converter, the input of which forms the signal input of the receiver, and N-channel digital correlator, connected through the data exchange unit with a calculator containing a CPU associated data exchange bus ( CPU), random access memory (RAM), read only memory (ROM), and external interface unit, inputs and outputs kotorog about form information receiver inputs and outputs, wherein the N-channel digital correlator includes the generator of the receiver of the timeline, and each channel of the digital correlator comprises an input multiplexer GPS / GLONASS carrier generator, a carrier mixer, a code generator, a code mixer and the integrator, characterized in that, to reduce the search time in conditions of high dynamics of the object, the device additionally introduced fast search comprising synchronizer input multiplexer GPS / GLONASS, the generator carrier, the carrier mixer, one input of which is connected to the output radio frequency converter, and a second input connected to the output of the generator carrier, the shift register complex signal having an input coupled to the output carrier mixer code register, a first group of M multiplexers, each having K inputs, wherein the j-th i-th input of the multiplexer is connected to the (j + (i-1) · K) th discharge shift register integrated signal, and the control inputs of multiplexers are connected to the output of the synchronizer, the second group of M multiplexers, each having a K