CN113842150A - R wave acquisition method and system - Google Patents
R wave acquisition method and system Download PDFInfo
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- CN113842150A CN113842150A CN202111123647.XA CN202111123647A CN113842150A CN 113842150 A CN113842150 A CN 113842150A CN 202111123647 A CN202111123647 A CN 202111123647A CN 113842150 A CN113842150 A CN 113842150A
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
- A61B5/316—Modalities, i.e. specific diagnostic methods
- A61B5/318—Heart-related electrical modalities, e.g. electrocardiography [ECG]
- A61B5/346—Analysis of electrocardiograms
- A61B5/349—Detecting specific parameters of the electrocardiograph cycle
- A61B5/352—Detecting R peaks, e.g. for synchronising diagnostic apparatus; Estimating R-R interval
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
- A61B5/316—Modalities, i.e. specific diagnostic methods
- A61B5/318—Heart-related electrical modalities, e.g. electrocardiography [ECG]
- A61B5/33—Heart-related electrical modalities, e.g. electrocardiography [ECG] specially adapted for cooperation with other devices
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/72—Signal processing specially adapted for physiological signals or for diagnostic purposes
Abstract
The embodiment of the application discloses an R wave acquisition method and a system, wherein a monitor triggers a discharge device through an HT signal output by a trigger signal acquisition circuit; the control module acquires ECG electrocardiosignals of a target object; performing R wave detection on the ECG electrocardiosignals to acquire data information of R waves; mapping the data information of the R wave to the filtered ECG signal to obtain an R wave signal of the ECG electrocardiosignal, and synchronously outputting the R wave signal to software for displaying; and synthesizing and displaying a high-voltage output detection signal and an R wave signal, wherein the high-voltage output detection signal is used for detecting whether the discharging equipment discharges. The accuracy rate of R wave detection is improved.
Description
Technical Field
The embodiment of the application relates to the technical field of electrocardiograms, in particular to an R wave acquisition method and system.
Background
The Electrocardiogram (ECG) is an objective index of the process of occurrence, transmission and recovery of cardiac excitation. The ECG signal is taken as the comprehensive expression of the heart activity of the human body on the body surface, contains rich physiological and pathological information reflecting the heart rhythm and the electric conduction thereof, can objectively reflect the physiological conditions of all parts of the heart to a certain extent, is one of important bases for diagnosing heart-shaped diseases and evaluating the heart function, has great diagnostic value particularly for the diagnostic analysis of various arrhythmia and conduction disorder, and is the most accurate method for analyzing and identifying the arrhythmia diseases at present.
On present ultrasonic diagnostic equipment, often can be equipped with the ECG function in order to assist the better diagnosis of clinician to the patient, nevertheless in order to guarantee with ultrasonic equipment's real-time transmission and synchronism (be different from the special detection ECG of cardiac motor), need guarantee with the real-time synchronization of ECG signal and ultrasonic image with the processing as few as possible, adopt threshold value detection principle to detect R ripples mostly, and because ECG signal is very weak among the prior art, drift phenomenon's inevitable simultaneously. Therefore, the accuracy of R-wave detection is low.
Disclosure of Invention
Therefore, the embodiment of the application provides an R wave acquisition method and system, and the R wave detection accuracy is improved.
In order to achieve the above object, the embodiments of the present application provide the following technical solutions:
according to a first aspect of embodiments of the present application, there is provided an R-wave acquisition method, including:
the monitor triggers the discharging device through the HT signal output by the trigger signal acquisition circuit;
the control module acquires ECG electrocardiosignals of a target object;
performing R wave detection on the ECG electrocardiosignals to acquire data information of R waves;
mapping the data information of the R wave to the filtered ECG signal to obtain an R wave signal of the ECG electrocardiosignal, and synchronously outputting the R wave signal to software for displaying;
and synthesizing and displaying a high-voltage output detection signal and an R wave signal, wherein the high-voltage output detection signal is used for detecting whether the discharging equipment discharges.
Optionally, the control module comprises a data acquisition module, a control chip, a communication module and a high-voltage output detection module;
the data acquisition module comprises a complex programmable logic device CPLD; the control chip comprises a single chip microcomputer, the CPLD collects data and then sends the data to the single chip microcomputer for processing, and the single chip microcomputer sends the data to the upper computer and receives a discharge signal of the upper computer to control the driving circuit to work; the communication module is used for communicating with an upper computer; the high-voltage output detection module is used for detecting the output voltage of the circuit in real time so as to feed back the working state of the circuit, ensure that the circuit can provide ultrahigh voltage and achieve the field intensity required by treatment.
Optionally, the CPLD also needs an R-wave acquisition circuit and a trigger signal acquisition circuit for data acquisition; the R wave acquisition circuit consists of operational amplifiers U7B, U7A and other circuit components, wherein the reverse input end of U7B and the output end of U7A are connected to the pin interface of the CPLD; the R wave receiving end is used for receiving the R waves detected by the electrocardio monitor; the R wave acquisition circuit and the trigger signal acquisition circuit are both connected to an IO port of the single chip microcomputer.
Optionally, the trigger signal acquisition circuit is composed of operational amplifiers U8B and U8A, and other circuit components, and the output terminal of U8A and the inverting input terminal of U8B are connected to the pin interface of the CPLD.
According to a second aspect of embodiments of the present application, there is provided an R-wave acquisition system, the system including:
the trigger signal acquisition module is used for triggering the discharge equipment by the monitor through the HT signal output by the trigger signal acquisition circuit;
the control module is used for acquiring ECG electrocardiosignals of a target object;
the R wave detection module is used for carrying out R wave detection on the ECG electrocardiosignals so as to acquire data information of R waves;
the R wave acquisition module is used for mapping the data information of the R wave to the filtered ECG signal so as to acquire an R wave signal of the ECG electrocardiosignal, and synchronously outputting the R wave signal to software for displaying;
and the output module is used for synthesizing and displaying the high-voltage output detection signal and the R wave signal, and the high-voltage output detection signal is used for detecting whether the discharging equipment discharges.
Optionally, the control module comprises a data acquisition module, a control chip, a communication module and a high-voltage output detection module;
the data acquisition module comprises a complex programmable logic device CPLD; the control chip comprises a single chip microcomputer, the CPLD collects data and then sends the data to the single chip microcomputer for processing, and the single chip microcomputer sends the data to the upper computer and receives a discharge signal of the upper computer to control the driving circuit to work; the communication module is used for communicating with an upper computer; the high-voltage output detection module is used for detecting the output voltage of the circuit in real time so as to feed back the working state of the circuit, ensure that the circuit can provide ultrahigh voltage and achieve the field intensity required by treatment.
Optionally, the CPLD also needs an R-wave acquisition circuit and a trigger signal acquisition circuit for data acquisition; the R wave acquisition circuit consists of operational amplifiers U7B, U7A and other circuit components, wherein the reverse input end of U7B and the output end of U7A are connected to the pin interface of the CPLD; the R wave receiving end is used for receiving the R waves detected by the electrocardio monitor; the R wave acquisition circuit and the trigger signal acquisition circuit are both connected to an IO port of the single chip microcomputer.
Optionally, the trigger signal acquisition circuit is composed of operational amplifiers U8B and U8A, and other circuit components, and the output terminal of U8A and the inverting input terminal of U8B are connected to the pin interface of the CPLD.
According to a third aspect of embodiments herein, there is provided an apparatus comprising: the device comprises a data acquisition device, a processor and a memory; the data acquisition device is used for acquiring data; the memory is to store one or more program instructions; the processor is configured to execute one or more program instructions to perform the method of any of the first aspect.
According to a fourth aspect of embodiments herein, there is provided a computer-readable storage medium having one or more program instructions embodied therein for performing the method of any of the first aspects.
In summary, the embodiment of the present application provides an R-wave acquisition method and system, in which a monitor triggers a discharge device through an HT signal output by a trigger signal acquisition circuit; the control module acquires ECG electrocardiosignals of a target object; performing R wave detection on the ECG electrocardiosignals to acquire data information of R waves; mapping the data information of the R wave to the filtered ECG signal to obtain an R wave signal of the ECG electrocardiosignal, and synchronously outputting the R wave signal to software for displaying; and synthesizing and displaying a high-voltage output detection signal and an R wave signal, wherein the high-voltage output detection signal is used for detecting whether the discharging equipment discharges. The accuracy rate of R wave detection is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
The structures, ratios, sizes, and the like shown in the present specification are only used for matching with the contents disclosed in the specification, so that those skilled in the art can understand and read the present invention, and do not limit the conditions for implementing the present invention, so that the present invention has no technical significance, and any structural modifications, changes in the ratio relationship, or adjustments of the sizes, without affecting the functions and purposes of the present invention, should still fall within the scope of the present invention.
Fig. 1 is a schematic flow chart of an R-wave acquisition method according to an embodiment of the present disclosure;
fig. 2 is a schematic diagram of an R-wave acquisition circuit provided in an embodiment of the present application;
FIG. 3 is a schematic diagram of a high voltage output detection circuit according to an embodiment of the present disclosure;
fig. 4 is a schematic diagram of a trigger signal acquisition circuit according to an embodiment of the present disclosure;
fig. 5 is a block diagram of an R-wave acquisition system according to an embodiment of the present application.
Detailed Description
The present invention is described in terms of particular embodiments, other advantages and features of the invention will become apparent to those skilled in the art from the following disclosure, and it is to be understood that the described embodiments are merely exemplary of the invention and that it is not intended to limit the invention to the particular embodiments disclosed. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Fig. 1 illustrates an R-wave acquisition method provided in an embodiment of the present application, and as shown in fig. 1, the method includes:
step 101: the monitor triggers the discharging device through the HT signal output by the trigger signal acquisition circuit;
step 102: the control module acquires ECG electrocardiosignals of a target object;
step 103: performing R wave detection on the ECG electrocardiosignals to acquire data information of R waves;
step 104: mapping the data information of the R wave to the filtered ECG signal to obtain an R wave signal of the ECG electrocardiosignal, and synchronously outputting the R wave signal to software for displaying;
step 105: and synthesizing and displaying a high-voltage output detection signal and an R wave signal, wherein the high-voltage output detection signal is used for detecting whether the discharging equipment discharges.
In one possible implementation, the control module comprises a data acquisition module, a control chip, a communication module and a high-voltage output detection module; the data acquisition module comprises a complex programmable logic device CPLD; the control chip comprises a single chip microcomputer, the CPLD collects data and then sends the data to the single chip microcomputer for processing, and the single chip microcomputer sends the data to the upper computer and receives a discharge signal of the upper computer to control the driving circuit to work; the communication module is used for communicating with an upper computer; the high-voltage output detection module is used for detecting the output voltage of the circuit in real time so as to feed back the working state of the circuit, ensure that the circuit can provide ultrahigh voltage and achieve the field intensity required by treatment. Fig. 3 is a schematic diagram of a high voltage output detection circuit according to an embodiment of the present application.
In a possible implementation manner, the CPLD also needs an R-wave acquisition circuit and a trigger signal acquisition circuit for data acquisition; fig. 2 is a schematic diagram of an R-wave acquisition circuit provided in an embodiment of the present application; the R wave acquisition circuit consists of operational amplifiers U7B, U7A and other circuit components, wherein the reverse input end of U7B and the output end of U7A are connected to the pin interface of the CPLD; the R wave receiving end is used for receiving the R waves detected by the electrocardio monitor; the R wave acquisition circuit and the trigger signal acquisition circuit are both connected to an IO port of the single chip microcomputer.
In a possible implementation manner, fig. 4 is a schematic diagram of a trigger signal acquisition circuit provided in an embodiment of the present application; the trigger signal acquisition circuit consists of operational amplifiers U8B and U8A and other circuit components, and the output end of U8A and the inverted input end of U8B are connected to the pin interface of the CPLD.
In the embodiment of the application, the R wave acquisition is acquired and amplified through the ECG signal output by the monitor, and synchronously output to the software for displaying. The trigger signal is an HT signal output by the monitor and is used for triggering a switch of the discharging device to discharge. High-voltage output detection: the device is used for detecting whether the discharge equipment discharges or not, and synthesizing and displaying signals and R waves.
In one possible embodiment, the control module is connected to the driving circuit and is configured to generate the driving signal according to clinical data to control the driving circuit to operate, the clinical data includes a resistance value of the tumor cells, heart rate data of the patient, and a waveform of the R-wave, and the plurality of data are combined to find a treatment window period of the patient.
In summary, the embodiment of the present application provides an R-wave acquisition method, in which a monitor triggers a discharge device through an HT signal output by a trigger signal acquisition circuit; the control module acquires ECG electrocardiosignals of a target object; performing R wave detection on the ECG electrocardiosignals to acquire data information of R waves; mapping the data information of the R wave to the filtered ECG signal to obtain an R wave signal of the ECG electrocardiosignal, and synchronously outputting the R wave signal to software for displaying; and synthesizing and displaying a high-voltage output detection signal and an R wave signal, wherein the high-voltage output detection signal is used for detecting whether the discharging equipment discharges. The accuracy rate of R wave detection is improved.
Based on the same technical concept, an embodiment of the present application further provides an R-wave collecting system, as shown in fig. 5, the system includes:
a trigger signal acquisition module 501, configured to trigger the discharge device through the HT signal output by the trigger signal acquisition circuit;
a control module 502 for acquiring an ECG electrocardiographic signal of a target object;
an R-wave detection module 503, configured to perform R-wave detection on the ECG electrocardiographic signal to obtain data information of an R-wave;
an R-wave acquisition module 504, configured to map data information of the R-wave to the filtered ECG signal, so as to obtain an R-wave signal of the ECG electrocardiographic signal, and synchronously output the R-wave signal to software for display;
and an output module 505, configured to synthesize and display a high-voltage output detection signal and the R-wave signal, where the high-voltage output detection signal is used to detect whether the discharge device discharges.
In one possible implementation, the control module 502 includes a data acquisition module, a control chip, a communication module, and a high voltage output detection module; the data acquisition module comprises a complex programmable logic device CPLD; the control chip comprises a single chip microcomputer, the CPLD collects data and then sends the data to the single chip microcomputer for processing, and the single chip microcomputer sends the data to the upper computer and receives a discharge signal of the upper computer to control the driving circuit to work; the communication module is used for communicating with an upper computer; the high-voltage output detection module is used for detecting the output voltage of the circuit in real time so as to feed back the working state of the circuit, ensure that the circuit can provide ultrahigh voltage and achieve the field intensity required by treatment.
In a possible implementation manner, the CPLD also needs an R-wave acquisition circuit and a trigger signal acquisition circuit for data acquisition; the R wave acquisition circuit consists of operational amplifiers U7B, U7A and other circuit components, wherein the reverse input end of U7B and the output end of U7A are connected to the pin interface of the CPLD; the R wave receiving end is used for receiving the R waves detected by the electrocardio monitor; the R wave acquisition circuit and the trigger signal acquisition circuit are both connected to an IO port of the single chip microcomputer.
In one possible implementation, the trigger signal acquisition circuit is composed of operational amplifiers U8B and U8A and other circuit components, and the output terminal of U8A and the inverting input terminal of U8B are connected to the pin interface of the CPLD.
Based on the same technical concept, an embodiment of the present application further provides an apparatus, including: the device comprises a data acquisition device, a processor and a memory; the data acquisition device is used for acquiring data; the memory is to store one or more program instructions; the processor is configured to execute one or more program instructions to perform the method.
Based on the same technical concept, the embodiment of the present application also provides a computer-readable storage medium, wherein the computer-readable storage medium contains one or more program instructions, and the one or more program instructions are used for executing the method.
In the present specification, each embodiment of the method is described in a progressive manner, and the same and similar parts among the embodiments are referred to each other, and each embodiment focuses on the differences from the other embodiments. Reference is made to the description of the method embodiments.
It is noted that while the operations of the methods of the present invention are depicted in the drawings in a particular order, this is not a requirement or suggestion that the operations must be performed in this particular order or that all of the illustrated operations must be performed to achieve desirable results. Additionally or alternatively, certain steps may be omitted, multiple steps combined into one step execution, and/or one step broken down into multiple step executions.
Although the present application provides method steps as in embodiments or flowcharts, additional or fewer steps may be included based on conventional or non-inventive approaches. The order of steps recited in the embodiments is merely one manner of performing the steps in a multitude of orders and does not represent the only order of execution. When an apparatus or client product in practice executes, it may execute sequentially or in parallel (e.g., in a parallel processor or multithreaded processing environment, or even in a distributed data processing environment) according to the embodiments or methods shown in the figures. The terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, the presence of additional identical or equivalent elements in a process, method, article, or apparatus that comprises the recited elements is not excluded.
The units, devices, modules, etc. set forth in the above embodiments may be implemented by a computer chip or an entity, or by a product with certain functions. For convenience of description, the above devices are described as being divided into various modules by functions, and are described separately. Of course, in implementing the present application, the functions of each module may be implemented in one or more software and/or hardware, or a module implementing the same function may be implemented by a combination of a plurality of sub-modules or sub-units, and the like. The above-described embodiments of the apparatus are merely illustrative, and for example, the division of the units is only one logical division, and other divisions may be realized in practice, for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form.
Those skilled in the art will also appreciate that, in addition to implementing the controller as pure computer readable program code, the same functionality can be implemented by logically programming method steps such that the controller is in the form of logic gates, switches, application specific integrated circuits, programmable logic controllers, embedded microcontrollers and the like. Such a controller may therefore be considered as a hardware component, and the means included therein for performing the various functions may also be considered as a structure within the hardware component. Or even means for performing the functions may be regarded as being both a software module for performing the method and a structure within a hardware component.
The application may be described in the general context of computer-executable instructions, such as program modules, being executed by a computer. Generally, program modules include routines, programs, objects, components, data structures, classes, etc. that perform particular tasks or implement particular abstract data types. The application may also be practiced in distributed computing environments where tasks are performed by remote processing devices that are linked through a communications network. In a distributed computing environment, program modules may be located in both local and remote computer storage media including memory storage devices.
From the above description of the embodiments, it is clear to those skilled in the art that the present application can be implemented by software plus necessary general hardware platform. Based on such understanding, the technical solutions of the present application may be embodied in the form of a software product, which may be stored in a storage medium, such as a ROM/RAM, a magnetic disk, an optical disk, or the like, and includes several instructions for enabling a computer device (which may be a personal computer, a mobile terminal, a server, or a network device) to execute the method according to the embodiments or some parts of the embodiments of the present application.
The embodiments in the present specification are described in a progressive manner, and the same or similar parts among the embodiments are referred to each other, and each embodiment focuses on the differences from the other embodiments. The application is operational with numerous general purpose or special purpose computing system environments or configurations. For example: personal computers, server computers, hand-held or portable devices, tablet-type devices, multiprocessor systems, microprocessor-based systems, set top boxes, programmable electronic devices, network PCs, minicomputers, mainframe computers, distributed computing environments that include any of the above systems or devices, and the like.
The above-mentioned embodiments are further described in detail for the purpose of illustrating the invention, 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, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (10)
1. An R-wave acquisition method, comprising:
the monitor triggers the discharging device through the HT signal output by the trigger signal acquisition circuit;
the control module acquires ECG electrocardiosignals of a target object;
performing R wave detection on the ECG electrocardiosignals to acquire data information of R waves;
mapping the data information of the R wave to the filtered ECG signal to obtain an R wave signal of the ECG electrocardiosignal, and synchronously outputting the R wave signal to software for displaying;
and synthesizing and displaying a high-voltage output detection signal and an R wave signal, wherein the high-voltage output detection signal is used for detecting whether the discharging equipment discharges.
2. The method of claim 1, wherein the control module comprises a data acquisition module, a control chip, a communication module, and a high voltage output detection module;
the data acquisition module comprises a complex programmable logic device CPLD; the control chip comprises a single chip microcomputer, the CPLD collects data and then sends the data to the single chip microcomputer for processing, and the single chip microcomputer sends the data to the upper computer and receives a discharge signal of the upper computer to control the driving circuit to work; the communication module is used for communicating with an upper computer; the high-voltage output detection module is used for detecting the output voltage of the circuit in real time so as to feed back the working state of the circuit, ensure that the circuit can provide ultrahigh voltage and achieve the field intensity required by treatment.
3. The method of claim 1, wherein the CPLD further requires an R-wave acquisition circuit and a trigger signal acquisition circuit for data acquisition; the R wave acquisition circuit consists of operational amplifiers U7B, U7A and other circuit components, wherein the reverse input end of U7B and the output end of U7A are connected to the pin interface of the CPLD; the R wave receiving end is used for receiving the R waves detected by the electrocardio monitor; the R wave acquisition circuit and the trigger signal acquisition circuit are both connected to an IO port of the single chip microcomputer.
4. The method as claimed in claim 3, wherein the trigger signal acquisition circuit is composed of operational amplifiers U8B and U8A and other circuit components, and the output terminal of U8A and the inverting input terminal of U8B are connected to the pin interface of the CPLD.
5. An R-wave acquisition system, the system comprising:
the trigger signal acquisition module is used for triggering the discharge equipment by the monitor through the HT signal output by the trigger signal acquisition circuit;
the control module is used for acquiring ECG electrocardiosignals of a target object;
the R wave detection module is used for carrying out R wave detection on the ECG electrocardiosignals so as to acquire data information of R waves;
the R wave acquisition module is used for mapping the data information of the R wave to the filtered ECG signal so as to acquire an R wave signal of the ECG electrocardiosignal, and synchronously outputting the R wave signal to software for displaying;
and the output module is used for synthesizing and displaying the high-voltage output detection signal and the R wave signal, and the high-voltage output detection signal is used for detecting whether the discharging equipment discharges.
6. The system of claim 5, wherein the control module comprises a data acquisition module, a control chip, a communication module and a high voltage output detection module;
the data acquisition module comprises a complex programmable logic device CPLD; the control chip comprises a single chip microcomputer, the CPLD collects data and then sends the data to the single chip microcomputer for processing, and the single chip microcomputer sends the data to the upper computer and receives a discharge signal of the upper computer to control the driving circuit to work; the communication module is used for communicating with an upper computer; the high-voltage output detection module is used for detecting the output voltage of the circuit in real time so as to feed back the working state of the circuit, ensure that the circuit can provide ultrahigh voltage and achieve the field intensity required by treatment.
7. The system of claim 5, wherein the CPLD further requires an R-wave acquisition circuit and a trigger signal acquisition circuit for data acquisition; the R wave acquisition circuit consists of operational amplifiers U7B, U7A and other circuit components, wherein the reverse input end of U7B and the output end of U7A are connected to the pin interface of the CPLD; the R wave receiving end is used for receiving the R waves detected by the electrocardio monitor; the R wave acquisition circuit and the trigger signal acquisition circuit are both connected to an IO port of the single chip microcomputer.
8. The system of claim 5, wherein the trigger signal acquisition circuit is composed of operational amplifiers U8B and U8A and other circuit components, and the output terminal of U8A and the inverting input terminal of U8B are connected to the pin interface of the CPLD.
9. An apparatus, characterized in that the apparatus comprises: the device comprises a data acquisition device, a processor and a memory;
the data acquisition device is used for acquiring data; the memory is to store one or more program instructions; the processor, configured to execute one or more program instructions to perform the method of any of claims 1-4.
10. A computer-readable storage medium having one or more program instructions embodied therein for performing the method of any of claims 1-4.
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