Professional high-quality GPS tracker manufacturer from China. Cantrack delivers 16-year expertise in Fleet&Assets tracking. Real-time monitoring & anti-theft for vehicles, global assets.
P901 is the thinnest smart walkie-talkie with real time GPS tracking function.It can be used in any place with GSM signal regardless distance limitation.We've already tested one key push-to-talk N...
At present, the vast majority of GPS antennas are right-handed polarized ceramic media, consisting of ceramic antennas, low-noise signal modules, cables and connectors. Ceramic antenna, also know...
The whole acquisition system is scattered in various parts of the bridge. The bridge is divided into several sections according to the region. In the main sections, signal collector stations are p...
Dangerous goods vehicle monitoring and dispatching system is a software and hardware integrated system integrating global positioning system (GPS), geographic information system (GIS) and wireless...
The PXI acquisition equipment adopts NI PXI-1045 18 slot chassis, and the NI PXI-8187 main controller is the main controller. The acquisition cards are NI PXI 6652, 6602, 4472B, of which: The PXI...
The system is mainly composed of GPS receiver and NI PXI acquisition equipment. The structure is shown in Figure 2: 1. GPS receiver system composition The input end of the GPS synchronous clock ...
1. Vehicle tracking and monitoring The system has established a rapid, accurate and effective information transmission channel between the vehicle and the monitoring center. The monitoring center...
FPGA program mainly completes RF front-end control, USB chip interface control and generation of buffer FIFO to realize data transmission and control. The IF signal is first stored in the buffer a...
The default collected GPS L1 signal is down converted to 3.996 MHz analog IF signal through RF front-end. The central frequency point of BD B1 IF is 3.996875 MHz. It is sampled to 2 bit digital IF...
The FFT algorithm in this paper is based on the relationship between FFT and signal convolution. The specific acquisition process is as follows: 1) The baseband complex signal is obtained by mult...
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