CN104382584B - A kind of wearable electrocardiosignal monitoring and evaluating system and implementation method - Google Patents
A kind of wearable electrocardiosignal monitoring and evaluating system and implementation method Download PDFInfo
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- CN104382584B CN104382584B CN201410677704.2A CN201410677704A CN104382584B CN 104382584 B CN104382584 B CN 104382584B CN 201410677704 A CN201410677704 A CN 201410677704A CN 104382584 B CN104382584 B CN 104382584B
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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]
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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
- A61B5/0002—Remote monitoring of patients using telemetry, e.g. transmission of vital signals via a communication network
- A61B5/0004—Remote monitoring of patients using telemetry, e.g. transmission of vital signals via a communication network characterised by the type of physiological signal transmitted
- A61B5/0006—ECG or EEG signals
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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
- A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
- A61B5/6801—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be attached to or worn on the body surface
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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
- A61B5/7225—Details of analog processing, e.g. isolation amplifier, gain or sensitivity adjustment, filtering, baseline or drift compensation
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Abstract
The present invention relates to a kind of wearable electrocardiosignal monitoring and evaluating system and implementation method, the system includes embedded control unit, the work for coordinating the internal system each unit；Analog electrocardiogram signal source, for system debug；Electrocardiosignal adjustment circuit, for accessing the electrocardiosignal of different characteristic and being set to key parameter；Electrocardiosignal interface, for receiving electrocardiosignal；Bluetooth communication interface, for completing data transfer；Mobile terminal, for the test of issuing application software, the terminal includes bluetooth communication interface.The system has the basic function module such as bio-signal acquisition and processing, signal characteristic abstraction and data transfer, the non-invasive monitoring to human body can be realized, diagnosed, simultaneously designer can according to the more flexible component hardware structure of designed application and be conveniently accomplished software adjustment, so as to constitute application system in the short period of time, and to the structure and performance indications of application system and emulation.
Description
Technical field
The present invention relates to a kind of wearable electrocardiosignal monitoring and evaluating system and implementation method.
Background technology
The development of current ambulatory medical device is also increasingly cumulative, and portable medical is a kind of by mobile computing, medical sensor
And the emerging health care pattern that the communication technology combines together.The development of Medical Instruments also begins to, from complexity, be applied to
The large medical equipment of hospital, turns to and is not only suitable for the small-sized Wearable that hospital is applied to family and individual again, be even implanted into
Formula device.The detection technique and Embedded Application technology of current human biological signal are the important skills of IT application
Art.For wearable device, the corresponding Hardware ＆ software system of design is generally required.
In the prior art, Application No. CN201410137458.1 patents disclose a kind of wearable electrocardiosignal reality
When harvester, an including wearable vest, lateral separation ring sets some bandages on the inside of vest；It is fixed on any bandage
Embedded controller is set, is provided for adjusting the elastic micromachine of bandage in the junction of bandage, activity is set on bandage
Put more than one electrocardiogram acquisition electrode and buzzer is fixedly installed, pressure sensor, micro electric are set on electrocardiogram acquisition electrode
Machine, pressure sensor and buzzer are connected by wire with embedded controller；Pressure sensor detects electrocardiogram acquisition electrode
Contact between subjects skin, and the pressure signal detected is transmitted to embedded controller, by embedded control
Device control micromachine processed adjusts the tightness of bandage；Electrocardiogram acquisition electrode is contacted with subjects skin when going wrong, by
Buzzer warning prompting subject checks corresponding electrocardiogram acquisition electrode.Application No. CN201410012151.9 patents are disclosed
A kind of wearable fetal ECG Monitoring System and method based on smart mobile phone, including signal picker, signal processor, tire
Youngster's electrocardiogram data wireless transmitting device, the smart mobile phone with user terminal Fetal ECG monitoring module, with the doctor terminal fetus heart
Smart mobile phone, the power management module of electric monitoring module, the signal output part of the signal picker and the signal processor
Input be connected, the output end of the signal processor is connected with the Fetal ECG wireless data transmission device, the electricity
Source control module respectively with the signal picker, signal processor, Fetal ECG wireless data transmission device.
It is to implementing device, system, the technical scheme of method used in concrete signal collection in the prior art above.
However, how according to the more flexible component hardware structure of designed application and be conveniently accomplished software adjustment so that compared with
Constitute application system in short time, and the structure and performance indications to application system carry out emulation and become urgently to be resolved hurrily ask
Topic.
At the same time, with the acceleration of aging of population, the population support of the elderly is continuously increased, due to the elderly
Various chronic diseases are suffered from mostly, result in the rapid growth of medical demand and steeply rising for medical expense, already and will be after
It is continuous that society and family are exerted heavy pressures on.With people's health consciousness and the continuous reinforcement of health care requirement, how according to a fit
Suitable system obtains relevant device so that the elderly is understood the health of itself, so as to take more timely prevention to arrange
Apply, to prevent the deterioration of the state of an illness, mitigating the burden of family and society turns into the task of top priority.
The content of the invention
For produced problem in background technology, the invention provides a kind of wearable electrocardiosignal monitoring and evaluation system
System, the system is based on mobile terminal, and the system includes：
Embedded control unit, the work for coordinating the internal system each unit；
Analog electrocardiogram signal source, for system debug；
Electrocardiosignal adjustment circuit, for accessing the electrocardiosignal of different characteristic and being set to key parameter；
Electrocardiosignal interface, for receiving electrocardiosignal；
Bluetooth communication interface, for completing data transfer；
Mobile terminal, for the test of issuing application software, the terminal includes bluetooth communication interface.
Preferably, the embedded control unit sends the data to mobile terminal by bluetooth communication interface.
In any of the above-described scheme preferably, the embedded control unit is further used for completing Wearable knot
The simulation setting and the emulation testing of the course of work of structure.
In any of the above-described scheme preferably, the embedded control unit be further used for complete data storage and
Control to modulate circuit.
In any of the above-described scheme preferably, it is characterised in that the embedded control unit include embedded type CPU,
At least one of memory, man-machine interaction button, display unit, USB communication interface, JTAG debugging interfaces.
In any of the above-described scheme preferably, the analog electrocardiogram signal source is produced by system, the analog electrocardiogram
Signal source includes D/A interface modules, gain-programmed amplifier.
In any of the above-described scheme preferably, the data that the D/A interface modules export system carry out digital-to-analog
Conversion, and by gain-programmed amplifier, generate analog electrocardiogram signal.
In any of the above-described scheme preferably, the gain-programmed amplifier is used for the electrocardio for exporting Different Dynamic scope
Electrical level match adjustment between analog signal and system under test (SUT).
In any of the above-described scheme preferably, the electrocardiosignal adjustment circuit includes signal pre-amplification circuit and increasing
Beneficial adjustment circuit.
Present invention also offers a kind of wearable electrocardiosignal monitoring and evaluation implementation method, the implementation of methods described is based on
Mobile terminal, the described method comprises the following steps：
Embedded control unit coordinates the work of the internal system each unit；
Analog electrocardiogram signal source carries out system debug；
Electrocardiosignal adjustment circuit accesses the electrocardiosignal of different characteristic and key parameter is set；
Electrocardiosignal interface electrocardiosignal；
Bluetooth communication interface completes data transfer；
The test of mobile terminal issuing application software, the terminal includes bluetooth communication interface.
Preferably, the embedded control unit sends the data to mobile terminal by bluetooth communication interface.
In any of the above-described scheme preferably, the embedded control unit further completes Wearable structure
Simulation setting and the emulation testing of the course of work.
In any of the above-described scheme preferably, the embedded control unit further completes the storage of data and exchanged
Manage the control of circuit.
In any of the above-described scheme preferably, the embedded control unit include embedded type CPU, it is memory, man-machine
At least one of interaction button, display unit, USB communication interface, JTAG debugging interfaces.
In any of the above-described scheme preferably, the analog electrocardiogram signal source is produced by system, the analog electrocardiogram
Signal source includes D/A interface modules, gain-programmed amplifier.
In any of the above-described scheme preferably, the data that the D/A interface modules export system carry out digital-to-analog
Conversion, and by gain-programmed amplifier, generate analog electrocardiogram signal.
In any of the above-described scheme preferably, the gain-programmed amplifier is used for the electrocardio for exporting Different Dynamic scope
Electrical level match adjustment between analog signal and system under test (SUT).
In any of the above-described scheme preferably, the electrocardiosignal adjustment circuit includes signal pre-amplification circuit and increasing
Beneficial adjustment circuit.
Wearable electrocardiosignal monitoring and evaluating system provided by the present invention and implementation method, with bio-signal acquisition
With the basic function module such as processing, signal characteristic abstraction and data transfer, it is possible to achieve non-invasive monitoring, diagnosis to human body.This
System make after product have movable operation, using it is simple, support long time continuous working, abnormal physiological condition alarm and
The features such as wireless data transmission.The system designer provided using the present invention can be more flexible group according to designed application
Part hardware configuration is adjusted with software is conveniently accomplished, so that application system is constituted in the short period of time, and to application system
Structure and performance indications and emulation.The design cycle can be so shortened, system design cost is reduced, small signal measurement system is improved
The success rate of design.
Brief description of the drawings
Fig. 1 is the system block diagram of the wearable electrocardiosignal monitoring and evaluating system according to the present invention.
Fig. 2 is the system block diagram according to embedded control unit in embodiment illustrated in fig. 1.
Fig. 3 is the schematic diagram that system debug is completed by analog electrocardiogram signal source according to embodiment illustrated in fig. 1.
Fig. 4 is the electrocardiosignal conditioning circuit module schematic diagram according to the present invention.
Fig. 5 is the flow chart of the assessment system main program work according to the present invention.
Fig. 6 is the workflow diagram to electrocardiosignal measurement process according to system of the invention.
Fig. 7 is the wearable electrocardiosignal monitoring and evaluation implementation method flow chart according to the present invention.
Embodiment
The present invention is by core technology of embedded Control, offer and the detection method of the short haul connection of bluetooth and signal source
For core, there is provided the basic structural unit required for vital sign parameter signals detection.Under the control of embedded system, Ke Yishi
Now to the simulation of electrocardiosignal, the adjustment of signal conditioning circuit.The research of Mathematical Modeling Methods was carried out before this, then to communication party
Communication protocol is tested and formulated to formula, and the signal of characteristics of human body is extracted afterwards, then carries out the joint debugging test of system, finally
Move the transmission and displaying of terminal characteristics of human body's signal.The present invention is entered with reference to exemplary embodiment with reference to the accompanying drawings
Row is described in detail.
Embodiment 1：
As shown in figure 1, present embodiments providing a kind of wearable electrocardiosignal monitoring and evaluating system, the system is based on
Mobile terminal, including：Embedded control unit, the work for coordinating the internal system each unit；Analog electrocardiogram signal source,
For system debug；Electrocardiosignal adjustment circuit, for accessing the electrocardiosignal of different characteristic and being set to key parameter
It is fixed；Electrocardiosignal interface, for receiving electrocardiosignal；Bluetooth communication interface, for completing data transfer；Mobile terminal, is used for
The test of issuing application software, the terminal includes bluetooth communication interface.The embedded control unit is connect by bluetooth communication
Mouth sends the data to mobile terminal.The simulation that the embedded control unit is further used for completing Wearable structure is set
Put and the course of work emulation testing.The embedded control unit is further used for completing the storage of data and to conditioning electricity
The control on road.The embedded control unit includes embedded type CPU, memory, man-machine interaction button, display unit, usb communication
At least one of interface, JTAG debugging interfaces.The analog electrocardiogram signal source is produced by system, the analog electrocardiogram signal source
Including D/A interface modules, gain-programmed amplifier.The data that the D/A interface modules export system carry out digital-to-analog and turned
Change, and by gain-programmed amplifier, generate analog electrocardiogram signal.The gain-programmed amplifier is used to export Different Dynamic model
Electrical level match adjustment between the electrocardial analog signal and system under test (SUT) enclosed.It is preposition that the electrocardiosignal adjustment circuit includes signal
Amplifying circuit and gain adjustment circuit.
Wherein, the CPU takes out instruction from memory or cache memory, is put into command register, and to referring to
Order decoding.Command Resolution into a series of microoperation, is then sent various control commands by it, performs microoperation series, so that
Complete the execution of an instruction.Instruction is that computer provides to perform the type of operation and the basic command of operand.Instruction be by
One byte or multiple bytes composition, including opcode field, one or more fields about operand address with
And some characterize the status word and condition code of machine state.Also directly operand is included in some instructions in itself.First stage,
Extract, the search instruction from memory or cache memory（For numerical value or series of values）.Specified by program counter
The position of memory.The instruction that CPU is extracted according to memory determines its process performing.In decoding stage, instruction is disassembled
For significant fragment.According to CPU instruction set architecture（ISA）Numerical value is interpreted as instruction by definition.The instruction numerical value of a part
For operation code（Opcode）, which computing its instruction will carry out.Other numerical value are typically supplied the necessary information of instruction, such as one
Individual addition（Addition）The computing target of computing.After extraction and decoding stage, the execution stage is proceeded immediately to.The stage
In, be connected to it is various can carry out needed for computing CPU parts.Terminal stage, writes back, with certain format by perform the stage knot
Fruit simply writes back.Operation result is often written into the buffer inside CPU, for the then quick access of instruction.In other cases
In example, operation result may write into that speed is slower, but in the larger and relatively inexpensive memory main body of capacity.Certain form of instruction meeting
Operation sequence counter, without directly producing result.These commonly referred to as " are redirected "（Jumps）, and bring in formula circulation
Behavior, conditionity are performed（Through conditional jump）And function.Many instructions can change the state bit of flag register.These marks
Will can be used to influence formula behavior, and cause shows various operation results often in them.Judge for example, being instructed with one " comparison "
Two value sizes, a numerical value is set according to comparative result on flag register.This mark can be by subsequent jump instruction
To determine formula trend.After execute instruction and write-back result, program counter value can be incremented by, repetitiousness whole process, next
The individual instruction cycle normally extracts next sequential instructions.
USB interface shown in it, can be with hot plug.It is exactly user when using external equipment, it is not necessary to which shutdown is started shooting again
Deng action, but in computer work, directly USB is plugged and used.Standard is unified, the hard disk of everybody commonly ide interface,
The mouse-keyboard of serial ports, the printer scanner of parallel port, but after having USB, these completely can be with equally using peripheral hardware
Standard be connected with PC, at this moment just have USB hard disks, USB mouse, USB printer etc..The JTAG debugging interfaces
(Joint Test Action Group；Joint test working group) it is a kind of international standard test protocol（IEEE 1149.1 is simultaneous
Hold）, it is mainly used in chip internal test.Most high-grade devices all supports JTAG protocol, such as DSP, FPGA device now.Mark
Accurate jtag interface is 4 lines：TMS, TCK, TDI, TDO, respectively model selection, clock, data input and DOL Data Output Line.
Embodiment 2：
Embedded control unit is used for the work of each unit inside the Wearable detecting system that coordinates user is designed, and completes to wear
Wear the simulation setting and the emulation testing of the course of work of formula device structure, the storage of complete paired data and control modulate circuit work
Make, mobile terminal is sent the data to by blue tooth interface.Embedded control system is constituted as shown in Fig. 2 embedded Control list
Member is by modular units such as embedded type CPU, memory, man-machine interaction button, display unit, USB communication interface, JTAG debugging interfaces
Composition.Embedded type CPU and jtag interface, GPIO interface, USB interface or the connection of one of them, constitute embedded Control system
System.Memory module：For storing user program code and process data, including dynamic memory, such as K4S561632C-
TC75, such as nonvolatile storage, NOR-type U-K9F1208UDM-YC80, and NAND FLASH SST39LF160 memories
The memory module that one or a combination set of module is constituted.Display unit module：By Bluetooth communication protocol, by ECG Data Transmission Based
To mobile terminal, shown by the UI interfaces of mobile terminal design.Jtag interface：International standard test protocol interface.Pass through
Jtag interface modular jack is connected with embedded type CPU socket, is mainly used in chip internal test and system is emulated, adjusted
Examination.The online program debuggings of CPU can be used herein to.USB interface：Comprising a main mouth of USB, 2.0 standards are at least conformed to.For adjusting
Section and configuration bluetooth module.
Embodiment 3：
System produces analog electrocardiogram output signal GPI/O, for system debug.As illustrated, debugging part includes：D/A
Interface module, program control control gain amplifier two parts.Wherein, D/A interface modules：The data that core system is exported enter line number
Word/analog-converted, and by program control control gain amplifier, generate analog electrocardiogram signal.Gain-programmed amplifier：For exporting not
With the electrical level match adjustment between the electrocardial analog signal and system under test (SUT) of dynamic range.
Embodiment 4：
As shown in figure 4, being electrocardiosignal adjustment circuit module diagram, electrocardiosignal and test source first pass around preceding storing
Big circuit, eventually passes A/D by controllable gain amplifier afterwards.The module can facilitate user to designed test system
Access the electrocardiosignal of different characteristic and flexibly set the key parameter of electrocardiosignal, complete the test to wearable device function
Analysis.
Embodiment 5：
As shown in figure 5, for main program workflow diagram after assessment system start, flow is：System boot self-inspection, shows work(
Can menu, scattered turn of function, progress function treatment program 1 to n.
Embodiment 6：
As shown in fig. 6, for electrocardiosignal measurement process workflow diagram, flow is：Key assignments processing routine 1, starts letter
Number source judges whether signal crosses the border by signal condition algorithm, ECG signal sampling, proceeds signal condition if crossing the border and calculates
Method, shows assessment result if not crossing the border.
Embodiment 7：
A kind of wearable electrocardiosignal monitoring and evaluation implementation method is present embodiments provided, the implementation of methods described is based on
Mobile terminal, as shown in fig. 7, the described method comprises the following steps：
Embedded control unit coordinates the work of the internal system each unit；
Analog electrocardiogram signal source carries out system debug；
Electrocardiosignal adjustment circuit accesses the electrocardiosignal of different characteristic and key parameter is set；
Electrocardiosignal interface electrocardiosignal；
Bluetooth communication interface completes data transfer；
The test of mobile terminal issuing application software, the terminal includes bluetooth communication interface.
Wherein, the embedded control unit sends the data to mobile terminal by bluetooth communication interface.The insertion
Formula control unit further completes the simulation setting and the emulation testing of the course of work of Wearable structure.It is described embedded
Control unit further completes the storage and the control to modulate circuit of data.The embedded control unit includes embedded
At least one of CPU, memory, man-machine interaction button, display unit, USB communication interface, JTAG debugging interfaces.The simulation
Electrocardiosignal source is produced by system, and the analog electrocardiogram signal source includes D/A interface modules, gain-programmed amplifier.It is described
The data that D/A interface modules export system carry out digital-to-analog conversion, and pass through gain-programmed amplifier, the generation simulation heart
Electric signal.The gain-programmed amplifier is used to export the electricity between the electrocardial analog signal and system under test (SUT) of Different Dynamic scope
Flat Matching and modification.The electrocardiosignal adjustment circuit includes signal pre-amplification circuit and gain adjustment circuit.
For a better understanding of the present invention, the present invention is explained in detail above in association with specific embodiment.It is clear that
Different modifications and the broader spirit and scope of the present invention retrofited and limited without departing from claim can be carried out to the present invention.Cause
This, above example has exemplary without the implication of limitation.
Claims (10)
1. a kind of wearable electrocardiosignal monitoring and evaluating system, the system is based on mobile terminal, it is characterised in that the system
System includes：
Embedded control unit, the work for coordinating the internal system each unit；
Analog electrocardiogram signal source, for system debug；
The analog electrocardiogram signal source is produced by system, and the analog electrocardiogram signal source includes D/A interface modules, programme-controlled gain
Amplifier；
The analog electrocardiogram signal that the gain-programmed amplifier is used to export Different Dynamic scope is believed with the wearable electrocardio
Electrical level match adjustment between the system under test (SUT) of number monitoring and evaluating system；
Electrocardiosignal adjustment circuit, for accessing the electrocardiosignal of different characteristic and being set to key parameter；
The electrocardiosignal adjustment circuit includes signal pre-amplification circuit and gain adjustment circuit；
The embedded control unit is further used for completing simulation setting and the work of the Wearable structure of user's design
Make the emulation testing of process；
Electrocardiosignal interface, for receiving electrocardiosignal；
Bluetooth communication interface, for completing data transfer；
Mobile terminal, for the test of issuing application software, the mobile terminal includes bluetooth communication interface.
2. wearable electrocardiosignal monitoring and evaluating system according to claim 1, it is characterised in that the embedded control
Unit processed sends the data to mobile terminal by bluetooth communication interface.
3. wearable electrocardiosignal monitoring and evaluating system according to claim 1, it is characterised in that the embedded control
Unit processed is further used for completing the storage and the control to electrocardiosignal adjustment circuit of data.
4. wearable electrocardiosignal monitoring and evaluating system according to any one of claim 1 to 3, it is characterised in that
The embedded control unit includes embedded type CPU, memory, man-machine interaction button, display unit, USB communication interface, JTAG
At least one of debugging interface.
5. wearable electrocardiosignal monitoring and evaluating system according to claim 1, it is characterised in that the D/A interfaces
The data that module exports system carry out digital-to-analog conversion, and by gain-programmed amplifier, generate analog electrocardiogram signal.
6. a kind of implementation method of wearable electrocardiosignal monitoring and evaluating system as claimed in claim 1, methods described
Implement to be based on mobile terminal, it is characterised in that the described method comprises the following steps：
Embedded control unit coordinates the work of the internal system each unit；
Analog electrocardiogram signal source carries out system debug；
The analog electrocardiogram signal source is produced by system, and the analog electrocardiogram signal source includes D/A interface modules, programme-controlled gain
Amplifier；
The analog electrocardiogram signal that the gain-programmed amplifier is used to export Different Dynamic scope is supervised with wearable electrocardiosignal
The electrical level match adjustment surveyed between the system under test (SUT) of assessment system；
Electrocardiosignal adjustment circuit accesses the electrocardiosignal of different characteristic and key parameter is set；
The electrocardiosignal adjustment circuit includes signal pre-amplification circuit and gain adjustment circuit；
The simulation that the embedded control unit further completes the Wearable structure of user's design is set and worked
The emulation testing of journey;
Electrocardiosignal interface electrocardiosignal；
Bluetooth communication interface completes data transfer；
The test of mobile terminal issuing application software, the mobile terminal includes bluetooth communication interface.
7. method according to claim 6, it is characterised in that the embedded control unit will by bluetooth communication interface
Data are sent to mobile terminal.
8. method according to claim 6, it is characterised in that the embedded control unit further completes depositing for data
Storage and the control to electrocardiosignal adjustment circuit.
9. the method according to any one of claim 6 to 8, it is characterised in that the embedded control unit includes embedding
Enter at least one of formula CPU, memory, man-machine interaction button, display unit, USB communication interface, JTAG debugging interfaces.
10. method according to claim 6, it is characterised in that the data that the D/A interface modules export system are carried out
Digital-to-analog is changed, and by gain-programmed amplifier, generates analog electrocardiogram signal.
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| CN105468951B (en) * | 2015-11-17 | 2019-08-06 | 安徽华米信息科技有限公司 | Method and device, the wearable device of identification are carried out by ecg characteristics |
| CN110236516A (en) * | 2019-06-11 | 2019-09-17 | 天津市天中依脉科技开发有限公司 | Detection system for collecting human body bioelectricity signals |
| CN110693491A (en) * | 2019-11-13 | 2020-01-17 | 歌尔科技有限公司 | Electrocardiosignal processing method and device, wearable device and readable storage medium |
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2014
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