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...
Satellite IF data is the premise of software receiver research. In order to achieve the design requirements, not only the real-time and high efficiency of the device should be considered, but also...
1.1 RF front-end The main function of the RF front-end is to down convert the RF signals received by the antenna, amplify these weak signals, convert the output signals into digital forms, and pr...
The collection process of GPS data will be affected by many external factors, which will lead to errors in the quality of GPS data. The causes of these errors are mostly unavoidable, so the impact...
1. Monitoring and dispatching The system has established a rapid, accurate and effective information transmission channel between the taxi and the monitoring center. The center can grasp the vehi...
The main purpose of principal component analysis [6] is to replace the original multi-dimensional variables with a few comprehensive variables after linear transformation and discarding part of th...
The traffic flow prediction results on the training set and the corresponding error curve are shown in Figure 2. The original data in Figure 2 (a) represents the actual traffic flow speed Y, and t...
1. Real time monitoring function: The monitoring center can set the monitoring interval (the maximum time is 1 second to monitor vehicles once) to track any vehicle according to its own vehicle mo...
When creating GPS waveform, its unique and increasingly common way is to directly extract it from the air. In this test, we use a vector signal analyzer (such as NI PXI 5661) to record signals, an...
For C/A code, the navigation signal is composed of 25 frames of data, and each frame contains 1500 bits [2]. In addition, each frame can be divided into five groups of 300 bit sub frames. When the...
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