A wireless data acquisition and processing method and its system
A wireless data and processing system technology, applied in the transmission system, signal transmission system, near-field transmission system, etc., can solve the problems of unable to meet the transmission of large data volume, reduce the accuracy of data collection, and low power consumption of the protocol, so as to reduce data The effect of the number of transmissions, improving effective utilization, and solving bandwidth bottlenecks
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no. 1 example
[0025] Such as figure 1 As shown, the system of this embodiment includes a data conditioner, an analog low-pass filter, an analog-to-digital converter (AD), a main processor, a wireless communication module and a power transmission module connected in sequence, an external memory connected to the main processor, And a power module connected to the active devices in the above modules. In addition, the wireless communication module is also connected to the data conditioner (not shown), and only the main direction of data transmission is shown in the figure, wherein:
[0026] The data conditioner can collect and process various dynamic sensor signals, including pressure, acceleration, strain, torque, etc. Various sensors can be embedded in the data conditioner to form a wireless sensor network node, and existing sensors can also be connected to the interface of the data conditioner to form a wireless sensor network node.
[0027] The analog low-pass filter uses a 5th-order Butt...
no. 2 example
[0059] The overall structure and method flow of this embodiment and the first embodiment are the same, both as figure 1 and figure 2 shown. Only the specific implementations of the main processor and the wireless communication module in this embodiment are different from those in the first embodiment, which will be described in detail below.
[0060] main processor
[0061] The main processor in this embodiment adopts a model BF531 digital signal processor, which is characterized by low power consumption and powerful data processing capability. Its core uses a core voltage of 1.2V and a peripheral interface voltage of 3.3V, and operates at a low power consumption of 0.05mW / MIP. BF531 supports rich peripheral interfaces, which can complete functions such as data collection, processing, transmission and control of other devices.
[0062] There is no FLASH inside BF531, and its program loading needs external memory. The system uses memory AM29LV040 to load the program.
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