Internet of things-based frequency error correction type wireless signal processing system

A frequency error, wireless signal technology, applied in the field of frequency error correction wireless signal processing system, can solve the problem of low signal processing accuracy, and achieve the effect of ensuring accuracy, improving accuracy, and maintaining stable bandwidth

Inactive Publication Date: 2016-12-21
成都东创精英科技有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to overcome the defect of low signal processing accuracy in the processing of received signals in the existing wireless signal processing system of the agricultural Internet of Things, and to provide a frequency error correction type wireless signal processing system based on the Internet of Things

Method used

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  • Internet of things-based frequency error correction type wireless signal processing system
  • Internet of things-based frequency error correction type wireless signal processing system

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Embodiment

[0021] Such as figure 1 As shown, the present invention mainly consists of a processing chip U, a triode VT4, a wireless signal receiver A, a resistor R16, a resistor R17, a resistor R18, a resistor R19, an inductor L2, a polar capacitor C10, a polar capacitor C11, and a Zener diode D5. Diode D6, frequency error correction circuit, signal receiving filter circuit, triode bias amplifier circuit, and signal level adjustment circuit.

[0022] When connecting, the anode of the polarity capacitor C10 is connected to the emitter of the triode VT4, and the cathode is connected to the COMP pin of the processing chip U after passing through the resistor R16. One end of the resistor R18 is connected to the COMP pin of the processing chip U, and the other end is connected to the GND pin of the processing chip U and grounded. The P pole of the diode D6 is connected to the base of the transistor VT4 through the resistor R17, and the N pole is connected to the OUT pin of the processing chi...

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Abstract

The invention discloses an Internet of things-based frequency error correction type wireless signal processing system. The system is characterized in that the system is mainly composed of a processing chip U, a triode VT4, a wireless signal receiver A, a polar capacitor C10, a diode D6, a voltage stabilizing diode D5, a frequency error correction circuit, a signal receiving and filtering circuit, a triode bias amplification circuit, a signal level adjustment circuit and the like, wherein the triode bias amplification circuit is connected in series between the signal receiving and filtering circuit and the processing chip U, and the signal level adjustment circuit is connected with the negative pole of a polar capacitor C11 as well as the OUT pin and G Pin of the processing chip U. The system of the invention can suppress or eliminate interference signals in received electric signals and adjust the duty ratio of rectangular wave signals of digital signal frequency converted by the processing chip U, so that the electric level of outputted digital signals can be kept stable, and therefore, the accuracy of the signal processing of the system of the invention can be improved.

Description

technical field [0001] The invention relates to the field of automatic control, in particular to a frequency error correction type wireless signal processing system based on the Internet of Things. Background technique [0002] The application of modern agricultural technology has brought huge economic, social and ecological benefits to the society. With the development of society, people's awareness of water saving is gradually increasing. In order to achieve the purpose of water saving, people usually use the agricultural Internet of Things to manage the irrigation of crops, so as to improve the efficiency of irrigation water and the effect of irrigation; Humidity sensor, wireless signal acquisition system, wireless signal processing system, wireless control system, video surveillance system and automatic sprinkler system are composed of the agricultural Internet of Things; the wireless control system in the agricultural Internet of Things is transmitted through the wirele...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L7/00
CPCH04L7/0079
Inventor 薛鸿雁
Owner 成都东创精英科技有限公司
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