CN115473504A - Adaptive receiving gain compensation method and system - Google Patents
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- H—ELECTRICITY
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- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
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- H04B1/10—Means associated with receiver for limiting or suppressing noise or interference
- H04B1/12—Neutralising, balancing, or compensation arrangements
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- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
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Abstract
The invention discloses a self-adaptive receiving gain compensation method and a system, wherein a computer records data of receiving gain of a radio frequency transceiver chip along with temperature change under a normal temperature state; and the computer fits the recorded data to generate a first function and transmits the first function to the voltage control module. The computer records the data of the gain variation along with the working voltage of the radio frequency transceiver chip under the normal temperature state; and the computer fits the recorded data to generate a second function and transmits the second function to the voltage control module. The voltage control module carries a first function to calculate the attenuation of the receiving gain according to the temperature change value of the radio frequency transceiver chip measured by the temperature sensor; the voltage control module brings the attenuation amount of the receiving gain into a second function, and calculates the voltage increment; the voltage control module adjusts the working voltage of the transceiver chip according to the voltage increment, and improves the receiving gain of the radio frequency transceiver chip.
Description
Technical Field
The invention relates to the technical field of phased array antenna gain compensation, in particular to a self-adaptive receiving gain compensation method and system.
Background
The high-density silicon-based millimeter wave phased-array antenna has the advantages that due to the fact that the circuit size is small, the array is dense, power consumption is large, the temperature of an antenna array surface is increased rapidly, the performance of a millimeter wave radio frequency transceiving chip is deteriorated along with the temperature rise under the condition that no good heat dissipation means exists, and the receiving gain of the antenna is reduced seriously.
At present, most radio frequency transceiver circuits adopt a current bias method in proportion to the temperature of a millimeter wave radio frequency transceiver chip to make up for the condition that the receiving gain of the transceiver chip is reduced along with the rise of the temperature, but the method has the defects of small compensation gain, incapability of meeting the requirements in many times and incapability of accurately making up for the reduced gain.
Disclosure of Invention
The invention aims to solve the technical problem that the traditional technology is adopted to compensate the receiving gain of an antenna, and the reduced receiving gain cannot be accurately compensated, and aims to provide a self-adaptive receiving gain compensation method and a self-adaptive receiving gain compensation system.
The invention is realized by the following technical scheme:
a method for adaptive receive gain compensation, said method comprising the steps of:
s1: the computer records the data of the gain variation with the temperature received by the radio frequency transceiver chip under the normal temperature state;
s2: the computer fits the recorded data to generate a first function of receiving gain changing along with temperature, and transmits the first function to the voltage control module;
s3: the computer records data of the gain variation along with the working voltage of the radio frequency transceiver chip at normal temperature;
s4: the computer fits the recorded data to generate a second function of the receiving gain changing along with the voltage and transmits the second function to the voltage control module;
s5: the voltage control module carries a first function to calculate the attenuation of the receiving gain according to the temperature change value of the radio frequency transceiver chip measured by the temperature sensor;
s6: the voltage control module brings the attenuation amount of the receiving gain into a second function, and calculates the voltage increment;
s7: the voltage control module adjusts the working voltage of the transceiver chip according to the voltage increment, and improves the receiving gain of the radio frequency transceiver chip.
In the scheme, a millimeter wave radio frequency transceiver chip is adopted in the high-density silicon-based millimeter wave phased-array antenna, so that the radio frequency transceiver chip is a millimeter wave radio frequency transceiver chip.
The radio frequency transceiver chip is powered on at normal temperature and continuously works, and the computer records data of the receiving gain of the chip along with the temperature change; the computer fits the recorded discrete data to generate a first function, the first function takes temperature as an independent variable and receiving gain of a transceiver chip as a dependent variable, and the computer transmits the fitted first function to the voltage control module;
under the normal temperature state, within the working allowable voltage range of the transceiver chip, the working voltage is gradually increased in a stepping mode, and the computer records data of the receiving gain of the transceiver chip changing along with the current voltage; the computer fits the recorded discrete data to generate a second function, the second function takes the voltage as an independent variable and the receiving gain of the transceiver chip as a dependent variable, and the computer transmits the fitted second function to the voltage control module;
the voltage control module carries a first function to calculate the attenuation of the receiving gain according to the temperature change value of the radio frequency transceiver chip measured by the readback temperature sensor; then the calculated attenuation of the receiving gain is brought into a second function to calculate the voltage increment, and the voltage control module calculates the voltage increment according to the voltage incrementAdjusting the working voltage of the transceiver chip, and increasing the voltage increment on the original working voltage of the transceiver chip, if the initial working voltage is V 0 The voltage increment is delta V, and the working voltage of the transceiver chip is changed to V = V 0 +ΔV。
In summary, the first function and the second function are generated by fitting through repeated test records, the voltage increase is calculated through the mapping relation between the first function and the second function according to the variation of the temperature sensor during the operation of the antenna, the voltage control module adaptively adjusts the voltage of the transceiver chip according to the calculated voltage increase, the problem that the traditional technology cannot accurately compensate the receiving gain of the antenna is solved, and the attenuation of the receiving gain of the radio frequency transceiver chip along with the temperature rise is dynamically compensated.
In some practical schemes, the step S2 includes:
a1: the computer comprises a data analysis tool, wherein the data analysis tool is fit to a first function which takes the temperature as an independent variable and the receiving gain of the radio frequency transceiver chip as a dependent variable according to the recorded discrete data;
a2: the computer transmits the first function to the voltage control module.
In this embodiment, the data analysis tool records, based on a computer: under the normal temperature state, the radio frequency transceiver chip receives discrete data of gain along with temperature change and fits the discrete data into a continuous first function, the first function takes the temperature as an independent variable, and the receiving gain of the radio frequency transceiver chip is a dependent variable.
In some practical schemes, the step S4 includes:
b1: the computer comprises a data analysis tool, the data analysis tool is fit to a second function which takes the voltage as an independent variable and the receiving gain of the radio frequency transceiver chip as a dependent variable according to the recorded discrete data;
b2: and the computer transmits the second function to be synthesized to the voltage control module.
In this embodiment, the data analysis tool records, based on a computer: under the normal temperature state, the radio frequency transceiver chip receives discrete data of which the gain changes along with the working voltage and fits the discrete data into a continuous second function, wherein the second function takes the voltage as an independent variable and the receiving gain of the radio frequency transceiver chip as a dependent variable.
In some practical schemes, the step S5 includes:
c1: the voltage control module comprises a singlechip, and the temperature value measured by the temperature sensor is transmitted to the singlechip;
c2: the single chip microcomputer brings the temperature value into the first function, and calculates the attenuation of the receiving gain.
In the scheme, the single chip microcomputer has the advantages of small size and high reliability, and the single chip microcomputer is used for receiving the temperature change value measured by the temperature sensor and substituting the temperature change value into the first function to calculate the attenuation of the receiving gain.
In some practical aspects, an adaptive receive gain compensation method, the S6 includes:
the single chip microcomputer brings the attenuation of the receiving gain into a second function, and calculates the voltage increase.
In the scheme, the singlechip brings the calculated attenuation amount of the receiving gain into a second function, and calculates the voltage increase amount through the second function.
In some practical schemes, the step S7 includes:
the single chip dynamically adjusts the working voltage of the radio frequency transceiving chip according to the calculated voltage increment.
In the scheme, the output end of the single chip microcomputer outputs PWM, and dynamic continuous adjustment of the working voltage of the radio frequency transceiving chip is realized according to the calculated voltage increment.
In some implementations, an adaptive receive gain compensation system employs an adaptive receive gain compensation method, including:
the computer is used for recording data of the receiving gain of the radio frequency transceiving chip along with the temperature change and generating a first function; the computer is used for recording data of the receiving gain of the radio frequency receiving and transmitting chip changing along with the working voltage and generating a second function;
the voltage control module is connected with a computer, and the computer is used for transmitting the first function and the second function to the voltage control module;
the temperature sensor is electrically connected with the voltage control module, and the voltage control module is used for calculating a voltage increment according to a temperature value measured by the temperature sensor, a first function and a second function;
and the power supply device is electrically connected with the voltage control module, and the voltage control module is used for adjusting the output voltage of the power supply device according to the calculated voltage increase.
In the scheme, the computer records data of the change of the receiving gain of the radio frequency transceiver chip along with the temperature and fits the data into a first function; the computer records the data of the receiving gain of the radio frequency transceiver chip along with the change of the working voltage and fits the data into a second function; the voltage control module is connected with a computer, the computer transmits a first function and a second function which are synthesized to the voltage control module, the voltage control module is electrically connected with the temperature sensor, the voltage control module substitutes the first function to calculate the attenuation amount of the receiving gain according to the temperature change value measured by the temperature sensor, substitutes the attenuation amount of the receiving gain to the second function, and calculates the corresponding voltage increment; the power supply device and the voltage control module dynamically adjust the output voltage of the power supply device according to the calculated voltage increment, so that the antenna receiving gain is accurately compensated.
In some implementations, an adaptive receive gain compensation system, the voltage control module includes:
the single chip microcomputer is electrically connected with the power supply device;
and the output end of the singlechip is electrically connected with the resistance-capacitance low-pass filter, the resistance-capacitance low-pass filter is electrically connected with the radio frequency transceiving chip, and the singlechip is used for dynamically adjusting the working voltage of the radio frequency transceiving chip according to the calculated voltage increment.
In the scheme, the single chip microcomputer is connected with a resistance-capacitance low-pass filter, the output end of the single chip microcomputer outputs PWM, and the voltage is dynamically and continuously adjusted through the resistance-capacitance low-pass filter according to the calculated voltage increment.
In some practical schemes, the single chip is an STC series single chip with a built-in pulse width modulation function.
In some implementations, an adaptive receive gain compensation system, the computer includes a data analysis tool for fitting discrete data to a continuous function;
the data analysis tool is one of Python, matlab and Mathmatic.
Compared with the prior art, the invention has the following advantages and beneficial effects:
the voltage control module carries a first function to calculate the attenuation of the receiving gain according to the temperature change value of the radio frequency transceiver chip measured by the readback temperature sensor; and the voltage control module regulates the working voltage of the transceiver chip according to the voltage increment, so that the voltage increment is increased on the working voltage of the original transceiver chip, and the receiving gain of the radio frequency transceiver chip is accurately compensated.
The first function and the second function are generated through repeated test record fitting, the voltage increment is calculated through the mapping relation between the first function and the second function according to the variation of the temperature sensor when the antenna works, the voltage control module adjusts the voltage of the transceiving chip in a self-adaptive mode according to the calculated voltage increment, the problem that the receiving gain of the antenna cannot be compensated accurately in the prior art is solved, and the attenuation of the receiving gain of the radio frequency transceiving chip along with the temperature rise is compensated dynamically.
Drawings
In order to more clearly illustrate the technical solutions of the exemplary embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and that for those skilled in the art, other related drawings can be obtained from these drawings without inventive effort. In the drawings:
fig. 1 is a schematic diagram of an adaptive receive gain compensation method according to embodiment 1;
fig. 2 is a schematic diagram of an adaptive receive gain compensation system according to embodiment 1;
fig. 3 is a flowchart of a method for adaptive receive gain compensation according to embodiment 1;
FIG. 4 is a graph showing the variation of the antenna gain with the temperature of the RF transceiver chip in accordance with embodiment 1;
fig. 5 is a graph of the variation of the antenna gain with the voltage of the rf transceiver chip in embodiment 1.
Reference numbers and corresponding part names in the drawings:
1-a voltage control module, 11-a singlechip, 4-a temperature sensor and 5-a power supply device.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to examples and accompanying drawings, and the exemplary embodiments and descriptions thereof are only used for explaining the present invention and are not meant to limit the present invention.
Example 1
As shown in fig. 1-5, embodiment 1 provides an adaptive receive gain compensation method, where the method includes:
s1: the computer records the data of the gain variation with the temperature received by the radio frequency transceiver chip under the normal temperature state;
s2: the computer fits the recorded data to generate a first function of receiving gain changing along with the temperature, and transmits the first function to the voltage control module 1;
s3: the computer records data of the gain variation along with the working voltage of the radio frequency transceiver chip at normal temperature;
s4: the computer fits the recorded data to generate a second function of the receiving gain changing along with the voltage and transmits the second function to the voltage control module 1;
s5: the voltage control module 1 carries a first function to calculate the attenuation of the receiving gain according to the temperature change value of the radio frequency transceiver chip measured by the temperature sensor 4;
s6: the voltage control module 1 brings the attenuation amount of the receiving gain into a second function, and calculates the voltage increment;
s7: the voltage control module 1 adjusts the working voltage of the transceiver chip according to the voltage increment, and improves the receiving gain of the radio frequency transceiver chip.
In a specific embodiment, in the high-density silicon-based millimeter wave phased-array antenna, a millimeter wave radio frequency transceiver chip is adopted, so that the radio frequency transceiver chip is a millimeter wave radio frequency transceiver chip, the millimeter wave radio frequency transceiver chip is ADT2011 of ANDAR company, the working bandwidth is 76-81GHz, the receiving gain of the chip is rapidly reduced along with the rise of the working temperature, and the gain gradually tends to be stable.
The radio frequency transceiver chip is in a normal temperature state t 0 Powering down and continuously working for T minutes, and recording the receiving gain G of the chip by the computer r1 Data as a function of temperature t; the computer fits the recorded discrete data to generate a first function G r1 (t) the first function G r1 (t) with temperature as the independent variable and the receiving gain of the transceiver chip as the dependent variable, the computer transmits the first function to be synthesized to the voltage control module 1;
at normal temperature t 0 Then, within the allowable voltage range of the transceiver chip, the computer records the receiving gain G of the transceiver chip by gradually increasing the operating voltage in steps r2 Data that varies with the current voltage V; the computer fits the recorded discrete data to generate a second function G r2 (V) the second function is based on voltage as an argumentThe receiving gain of the transmitting chip is a dependent variable, and the computer transmits the second function to be synthesized to the voltage control module 1;
the voltage control module 1 substitutes a first function to calculate the attenuation delta G of the receiving gain according to the temperature change value of the radio frequency transceiver chip measured by the readback temperature sensor 4; then, the calculated attenuation delta G of the receiving gain is substituted into a second function to calculate a voltage increment delta V, the voltage control module 1 adjusts the working voltage of the transceiver chip according to the voltage increment, and the initial working voltage is V 0 The voltage increment is delta V, and the working voltage of the transceiver chip is changed to V = V 0 +ΔV。
The temperature information fed back by the temperature sensor 4 in real time, the gain attenuation amount is calculated by the voltage control module 1, then the set value of the voltage of the millimeter wave radio frequency transceiver chip is obtained, and the antenna receiving gain is correspondingly improved by improving the voltage of the transceiver chip, so that the antenna receiving gain is maintained in a stable state, and the effect of self-adaptive receiving gain compensation is realized.
In a specific embodiment, the radio frequency transceiver chip is powered on at normal temperature and continuously works for T =2min, wherein a curve of variation of the receiving gain with temperature is shown in fig. 4; the initial working voltage of the radio frequency transceiver chip is V at normal temperature 0 Starting with V =1.2V s The operation voltage is gradually increased in steps by =0.05V, wherein a curve of the receiving gain along with the operation voltage is shown in fig. 5; temperature t at normal temperature 0 =26.5 ℃, based on the measured antenna receiving gain G r As the temperature t increases, a curve fitting first function can be obtained:
G r1 (z)＝p 1 *z 8 +p 2 *z 7 +p 3 *z 6 +p 4 *z 5 +p 5 *z 4 +p 6 *z 3 +p 7 *z 2 +p 8 *z+p 9 ；
wherein,
the correlation coefficients are as follows:
gain at normal temperature
Initial voltage V 0 =1.2V, measured antenna reception gain G r2 The current working voltage V of the radio frequency transceiver chip is in a linear relation, and the working voltage is increased by V every time s =0.05V, the antenna reception gain is increased by 1dB, and the second function relationship is:
G r2 (V)＝20·V+11；
when the antenna is just started to work, the initial working voltage of the millimeter wave radio frequency transceiver chip is V 0 Gain at room temperature of G 0 With the continuous start-up operation of the antenna, the current temperature information t =30 ℃ is returned in real time by the temperature sensor 4, so that the current gain attenuation can be calculated as follows:
the gain is compensated by increasing the working voltage of the transceiver chip, and according to the voltage-gain function relationship, the voltage increase is as follows:
ΔV＝ΔG20＝0.205V；
the voltage control module 1 sets the working voltage of the millimeter wave radio frequency transceiver chip to be:
V＝V 0 +ΔV＝1.2+0.205＝1.405V；
and completing the adaptive compensation of the receiving gain.
An adaptive receive gain compensation method, wherein the step S2 comprises:
a1: the computer comprises a data analysis tool, the data analysis tool is fit to a first function which takes the temperature as an independent variable and the receiving gain of the radio frequency transceiver chip as a dependent variable according to the recorded discrete data;
a2: the computer transmits the first function to be synthesized to the voltage control module 1.
In a specific embodiment, the data analysis tool records, according to a computer: under the normal temperature state, the radio frequency transceiver chip receives discrete data of gain along with temperature change and fits the discrete data into a continuous first function, the first function takes the temperature as an independent variable, and the receiving gain of the radio frequency transceiver chip is a dependent variable.
An adaptive receive gain compensation method, wherein the step S4 comprises:
b1: the computer comprises a data analysis tool, and the data analysis tool is used for synthesizing a second function which takes the voltage as an independent variable and the receiving gain of the radio frequency transceiver chip as a dependent variable according to the recorded discrete data;
b2: the computer transmits the second function to be synthesized to the voltage control module 1.
In a specific embodiment, the data analysis tool records, according to a computer: under the normal temperature state, the radio frequency transceiver chip receives discrete data of which the gain changes along with the working voltage and fits the discrete data into a continuous second function, wherein the second function takes the voltage as an independent variable and the receiving gain of the radio frequency transceiver chip as a dependent variable.
An adaptive receive gain compensation method, wherein the step S5 comprises:
c1: the voltage control module 1 comprises a singlechip 11, and the temperature value measured by the temperature sensor 4 is transmitted to the singlechip 11;
c2: the single chip microcomputer 11 brings the temperature value into the first function, and calculates the attenuation of the receiving gain.
In a specific embodiment, the single chip microcomputer 11 has the advantages of small size and high reliability, and the single chip microcomputer 11 is used for receiving the temperature change value measured by the temperature sensor 4 and substituting the temperature change value into the first function to calculate the attenuation of the receiving gain.
An adaptive receive gain compensation method, wherein the step S6 comprises:
the single chip microcomputer 11 brings the attenuation amount of the reception gain into the second function, and calculates the voltage increase amount.
In a specific embodiment, the single chip microcomputer 11 substitutes the calculated attenuation amount of the reception gain into a second function, and calculates the voltage increase amount through the second function.
An adaptive receive gain compensation method, wherein the step S7 comprises:
the single chip microcomputer 11 dynamically adjusts the working voltage of the radio frequency transceiver chip according to the calculated voltage increment.
In a specific embodiment, the output end of the single chip microcomputer 11 outputs PWM, and then dynamically and continuously adjusts the operating voltage of the rf transceiver chip according to the calculated voltage increment.
An adaptive receive gain compensation system comprising:
the computer is used for recording data of the receiving gain of the radio frequency transceiver chip changing along with the temperature and generating a first function; the computer is used for recording data of the receiving gain of the radio frequency transceiver chip changing along with the working voltage and generating a second function;
the voltage control module 1, the voltage control module 1 is connected with computer, the above-mentioned computer is used for transmitting the first function and second function to the voltage control module 1;
the temperature sensor 4, the temperature sensor 4 is electrically connected with the voltage control module 1, the voltage control module 1 is used for calculating the voltage increment according to the temperature value measured by the temperature sensor 4, the first function and the second function;
and a power supply device 5, wherein the power supply device 5 is electrically connected with the voltage control module 1, and the voltage control module 1 is used for adjusting the output voltage of the power supply device 5 according to the calculated voltage increase.
In a specific embodiment, the computer records data of the change of the receiving gain of the radio frequency transceiver chip along with the temperature and fits the data into a first function; the computer records the data of the receiving gain of the radio frequency transceiver chip along with the change of the working voltage and fits the data into a second function; the voltage control module 1 is connected with a computer, the computer transmits a first function and a second function which are synthesized to the voltage control module 1, the voltage control module 1 is electrically connected with the temperature sensor 4, the voltage control module 1 substitutes the first function to calculate the attenuation amount of the receiving gain according to the temperature change value measured by the temperature sensor 4, substitutes the attenuation amount of the receiving gain to the second function, and calculates the corresponding voltage increment; the power supply device 5 and the voltage control module 1, wherein the voltage control module 1 dynamically adjusts the output voltage of the power supply device 5 according to the calculated voltage increment, so as to realize accurate compensation of the antenna receiving gain.
An adaptive receive gain compensation system, the voltage control module 1 comprising:
the single chip microcomputer 11, the above-mentioned single chip microcomputer 11 is electrically connected with power supply unit 5;
and the output end of the singlechip 11 is electrically connected with the resistance-capacitance low-pass filter 12, the resistance-capacitance low-pass filter 12 is electrically connected with the radio frequency transceiver chip, and the singlechip 11 is used for dynamically adjusting the working voltage of the radio frequency transceiver chip according to the calculated voltage increment.
In a specific embodiment, the single chip 11 is connected to a rc low-pass filter 12, and the output end of the single chip 11 outputs PWM, and then the voltage is dynamically and continuously adjusted by the rc low-pass filter 12 according to the calculated voltage increment.
In a specific embodiment, the single chip microcomputer 11 is an STC series single chip microcomputer with a built-in pulse width modulation function.
In a specific embodiment, the adaptive receive gain compensation system comprises a data analysis tool for fitting discrete data to a continuous function;
the data analysis tool is one of Python, matlab and Mathmatic.
The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are only illustrative of the present invention and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (10)
1. A method for adaptive receive gain compensation, the method comprising the steps of:
s1: the computer records the data of the gain variation with the temperature received by the radio frequency transceiver chip under the normal temperature state;
s2: the computer fits the recorded data to generate a first function of receiving gain changing along with temperature, and transmits the first function to the voltage control module (1);
s3: the computer records data of the change of the receiving gain of the radio frequency transceiver chip along with the working voltage under the normal temperature state;
s4: the computer fits the recorded data to generate a second function of the receiving gain changing along with the voltage and transmits the second function to the voltage control module (1);
s5: the voltage control module (1) carries a first function to calculate the attenuation of the receiving gain according to the temperature change value of the radio frequency transceiver chip measured by the temperature sensor (4);
s6: the voltage control module (1) brings the attenuation of the receiving gain into a second function, and calculates the voltage increment;
s7: the voltage control module (1) adjusts the working voltage of the transceiver chip according to the voltage increment, and improves the receiving gain of the radio frequency transceiver chip.
2. The adaptive receive gain compensation method of claim 1, wherein the step S2 comprises:
a1: the computer comprises a data analysis tool, wherein the data analysis tool is fit to a first function which takes the temperature as an independent variable and the receiving gain of the radio frequency transceiver chip as a dependent variable according to the recorded discrete data;
a2: the computer transmits the fitted first function to the voltage control module (1).
3. The adaptive receive gain compensation method of claim 1, wherein the step S4 comprises:
b1: the computer comprises a data analysis tool, and the data analysis tool is used for synthesizing a second function which takes the voltage as an independent variable and the receiving gain of the radio frequency transceiver chip as a dependent variable according to the recorded discrete data;
b2: the computer transmits the fitted second function to the voltage control module (1).
4. The adaptive receive gain compensation method of claim 1, wherein the step S5 comprises:
c1: the voltage control module (1) comprises a singlechip (11), and the temperature value measured by the temperature sensor (4) is transmitted to the singlechip (11);
c2: the single chip microcomputer (11) brings the temperature value into the first function, and calculates the attenuation of the receiving gain.
5. The adaptive receive gain compensation method of claim 4, wherein the step S6 comprises:
the single chip microcomputer (11) brings the attenuation amount of the receiving gain into a second function, and calculates the voltage increment.
6. The adaptive receive gain compensation method of claim 5, wherein the step S7 comprises:
and the singlechip (11) dynamically adjusts the working voltage of the radio frequency transceiver chip according to the calculated voltage increment.
7. An adaptive receive gain compensation system based on the method of any of claims 1-6, comprising:
the computer is used for recording data of the receiving gain of the radio frequency transceiver chip changing along with the temperature and generating a first function; the computer is used for recording data of the receiving gain of the radio frequency transceiver chip changing along with the working voltage and generating a second function;
the voltage control module (1), the voltage control module (1) is connected with the computer, the said computer is used for transmitting the first function and second function to the voltage control module (1);
the temperature sensor (4), the temperature sensor (4) is electrically connected with the voltage control module (1), and the voltage control module (1) is used for calculating a voltage increment according to a temperature value measured by the temperature sensor (4), a first function and a second function;
and the power supply device (5), the power supply device (5) is electrically connected with the voltage control module (1), and the voltage control module (1) is used for adjusting the output voltage of the power supply device (5) according to the calculated voltage increment.
8. An adaptive receive gain compensation system according to claim 7, wherein the voltage control module (1) comprises:
the single chip microcomputer (11), the said single chip microcomputer (11) is connected with power supply unit (5) electrically;
the output end of the single chip microcomputer (11) is electrically connected with the resistance-capacitance low-pass filter (12), the resistance-capacitance low-pass filter (12) is used for being electrically connected with the radio frequency transceiving chip, and the single chip microcomputer (11) is used for dynamically adjusting the working voltage of the radio frequency transceiving chip according to the calculated voltage increment.
9. The adaptive receive gain compensation system according to claim 8, wherein the single chip microcomputer (11) is an STC series single chip microcomputer with a built-in pulse width modulation function.
10. The adaptive receive gain compensation system of claim 9, wherein the computer comprises a data analysis tool for fitting discrete data to a continuous function;
the data analysis tool is one of Python, matlab or Mathmatic.
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| CN202211127225.4A Pending CN115473504A (en) | 2022-09-16 | 2022-09-16 | Adaptive receiving gain compensation method and system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118095325A (en) * | 2024-04-23 | 2024-05-28 | 青岛儒海船舶工程有限公司 | High concurrency RFID read-write system and device suitable for cold chain logistics |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118095325A (en) * | 2024-04-23 | 2024-05-28 | 青岛儒海船舶工程有限公司 | High concurrency RFID read-write system and device suitable for cold chain logistics |
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