CN212415748U - Whole body multipath electrocardio real-time wireless monitoring system - Google Patents
Whole body multipath electrocardio real-time wireless monitoring system Download PDFInfo
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Abstract
The utility model discloses a real-time wireless monitoring system of whole body multichannel electrocardio, include: the patch type wireless electrocardio detection module is suitable for being attached to a human body; the wireless receiving module is wirelessly connected with the patch type wireless electrocardio detecting module; the patch type wireless electrocardio detection module is used for collecting body surface electric signals, compressing the body surface electric signals and converting the body surface electric signals into compressed digital signals to be sent to the wireless receiving module, and the wireless receiving module is used for receiving the compressed digital signals and acquiring the electrocardio information of a human body according to the compressed digital signals. Adopt the utility model discloses, wireless receiving module and the wireless electrocardio of SMD listen module wireless connection, patient just can not be tied by the cable by the electrocardiosignal collection system like this, moreover, send to wireless receiving module again after compressing the processing through the signal of telecommunication to the body surface, can reduce data transmission volume on the basis of assurance information degree of accuracy to can improve electrocardio detection efficiency and detection precision.
Description
Technical Field
The utility model relates to the technical field of medical equipment, especially, relate to a real-time wireless monitoring system of whole body multichannel electrocardio.
Background
Cardiovascular diseases are the most life-threatening diseases to humans in modern society. Daily heart monitoring is an important means for ensuring the life safety of patients, abnormal symptoms can be found in advance by daily monitoring of electrocardiosignal data of the patients, and therefore treatment can be timely given.
The traditional electrocardiosignal acquisition device adopts a lead form that an electrode is added with a cable, is connected with a human body through the electrode, detects and transmits the potential change of the body surface of the human body and transmits the potential change to a processing unit through the cable. The electrocardiosignal acquisition mode needs the patient to be beside the electrocardiosignal acquisition device, and the movement of the patient is restrained. And each cable is easy to wind, and the process that medical personnel connect the electrode to the body surface of the patient is complex and inefficient.
SUMMERY OF THE UTILITY MODEL
The embodiment of the utility model provides a whole-body multichannel real-time wireless monitoring system of electrocardio for solve cable constraint, the inconvenient problem of operation that current electrocardiosignal collection system exists.
According to the utility model discloses whole body multichannel electrocardio real-time wireless monitoring system, include:
the patch type wireless electrocardio detection module is suitable for being attached to a human body;
the wireless receiving module is wirelessly connected with the patch type wireless electrocardio detecting module;
the patch type wireless electrocardio detection module is used for collecting body surface electric signals, compressing the body surface electric signals and converting the body surface electric signals into compressed digital signals to be sent to the wireless receiving module, and the wireless receiving module is used for receiving the compressed digital signals and acquiring the electrocardio information of the human body according to the compressed digital signals.
According to the utility model discloses a some embodiments, the module is listened to wireless electrocardio of SMD includes:
the body is suitable for being attached to a human body;
the electrocardio detection electrode is arranged on the body and used for detecting and collecting the body surface electric signal;
the analog signal processing circuit is arranged on the body and is in communication connection with the electrocardio detection electrode, and the analog signal processing circuit is used for converting the body surface electric signals into original digital signals;
the data processing circuit is arranged on the body and is in communication connection with the analog signal processing circuit, and the data processing circuit is used for compressing the original digital signal to obtain the compressed digital signal;
the wireless transmitting module is arranged on the body and is in communication connection with the data processing circuit, and the wireless transmitting module is used for transmitting the compressed digital signal.
According to some embodiments of the invention, the data processing circuit is configured to:
extracting a sparse matrix X of the original digital signal according to formula 1,
wherein the content of the first and second substances,
k represents the number of zero-value data in the original digital signal, q represents the data size of the original digital signal in t time, p represents the compressed data size of the original digital signal, and the symbol
Meaning rounded down, the symbol "random" denotes a random matrix, rpqRepresenting random numbers obeying a gaussian distribution;
performing data compression on the original digital signal according to equation 2,
wherein A isnRepresenting the original digital signal, BnRepresenting a compressed digital signal.
According to some embodiments of the invention, rpqThe number taking range is related to the position of the patch type wireless electrocardio detection module.
According to some embodiments of the present invention, the wireless receiving module comprises:
the wireless receiving and data preprocessing platform is wirelessly connected with the patch type wireless electrocardio detection module;
the data post-processing terminal is in communication connection with the wireless receiving and data preprocessing platform;
the wireless receiving and data preprocessing platform is used for receiving the compressed digital signals, performing data recovery processing on the compressed digital signals, converting the compressed digital signals into signals to be analyzed and sending the signals to the data post-processing terminal, and the data post-processing terminal is used for receiving the signals to be analyzed and acquiring the electrocardio information of the human body according to the signals to be analyzed.
According to some embodiments of the present invention, the wireless receiving and data preprocessing platform is configured to:
performing data recovery processing on the compressed digital signal according to equation 3,
wherein, CnRepresenting the signal to be analyzed after data recovery processing, wherein Z is a recovery matrix;
the expression of Z is referred to in equation 4,
the matrix Y is related to k, and when k is larger than 0, the matrix Y represents an inverse matrix after Fourier transform is carried out on the unit matrix; when k is equal to or less than 0, the matrix Y is an identity matrix.
According to some embodiments of the invention, the analog signal processing circuit comprises: a filter circuit, an amplifier circuit, and a digital conversion circuit.
According to some embodiments of the utility model, electrocardio detection electrode includes first electrocardio detection electrode and the second electrocardio detection electrode that the interval was arranged.
Adopt the embodiment of the utility model provides a, wireless receiving module and the wireless electrocardio of SMD wireless heart detection module wireless connection, the wireless electrocardio of SMD detects the module and can send the body surface signal of telecommunication of gathering to wireless receiving module through wireless mode after handling, patient just can not be bound by the cable by the electrocardio signal collection system side like this, and, through sending again to wireless receiving module after compressing the body surface signal of telecommunication, can be on the basis of guaranteeing the information degree of accuracy, reduce data transmission volume, make can realize the information detection of 2-3 times more collection points under limited transmission bandwidth, or realize 2-3 times higher collection rate in the condition of limited collection point, all in a word, possess more electrode information and can improve electrocardio characteristic signal's accuracy greatly.
The above description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood, the present invention may be implemented according to the content of the description, and in order to make the above and other objects, features, and advantages of the present invention more obvious and understandable, the following detailed description of the present invention is given.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. In the drawings:
FIG. 1 is a schematic structural view of a multi-channel electrocardio real-time wireless monitoring system for the whole body in the embodiment of the utility model;
fig. 2 is a schematic structural view of a patch type wireless electrocardiograph detection module according to an embodiment of the present invention;
FIG. 3 is a schematic structural view of a multi-channel electrocardio real-time wireless monitoring system for the whole body in the embodiment of the utility model;
fig. 4 is a flow chart of the multi-channel electrocardio real-time wireless monitoring method for the whole body in the embodiment of the utility model.
A multi-channel real-time wireless electrocardio monitoring system 1 for the whole body,
the patch type wireless electrocardiograph detection module 10, a body 110, an electrocardiograph detection electrode 120, an analog signal processing circuit 130, a filter circuit 131, an amplifying circuit 132, a digital conversion circuit 133, a data processing circuit 140, a wireless transmitting module 150, a battery 160,
the system comprises a wireless receiving module 20, a wireless receiving and data preprocessing platform 210 and a data post-processing terminal 220.
Detailed Description
Exemplary embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the invention are shown in the drawings, it should be understood that the invention can be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.
As shown in fig. 1, the whole body multichannel electrocardiograph real-time wireless monitoring system 1 according to the embodiment of the present invention includes:
the patch type wireless electrocardio detection module 10 is suitable for being attached to a human body;
the wireless receiving module 20 is wirelessly connected with the patch type wireless electrocardio detecting module 10;
the patch type wireless electrocardiograph detection module 10 is used for collecting body surface electric signals, compressing the body surface electric signals, and converting the body surface electric signals into compressed digital signals to be sent to the wireless receiving module 20, and the wireless receiving module 20 is used for receiving the compressed digital signals and obtaining electrocardiograph information of a human body according to the compressed digital signals.
Adopt the embodiment of the utility model provides a, wireless receiving module 20 and the wireless electrocardio of SMD wireless heart detection module 10 wireless connection, SMD wireless heart detection module 10 can send the body surface signal of telecommunication of gathering to wireless receiving module 20 through wireless mode after handling, patient just can not be by the cable constraint by the heart signal collection system side like this, and, through sending again to wireless receiving module 20 after carrying out compression treatment to the body surface signal of telecommunication, can be on the basis of assurance information degree of accuracy, reduce data transmission volume, make can realize the information detection of 2-3 times more collection points under limited transmission bandwidth, or realize 2-3 times higher collection rate in the condition of limited collection point, all in a word, possess more electrode information and can improve electrocardio characteristic signal's accuracy greatly.
On the basis of the above-described embodiment, various modified embodiments are further proposed, and it is to be noted herein that, in order to make the description brief, only the differences from the above-described embodiment are described in the various modified embodiments.
As shown in fig. 2, according to some embodiments of the present invention, the patch type wireless ecg detecting module 10 includes:
a body 110 adapted to be attached to a human body;
the electrocardio detection electrode 120 is arranged on the body 110, and the electrocardio detection electrode 120 is used for detecting and collecting body surface electric signals;
the analog signal processing circuit 130 is arranged on the body 110 and is in communication connection with the electrocardio detection electrode 120, and the analog signal processing circuit 130 is used for converting the body surface electric signals into processable original digital signals;
the data processing circuit 140 is disposed in the body 110 and is in communication connection with the analog signal processing circuit 130, and the data processing circuit 140 is configured to compress the original digital signal to obtain a compressed digital signal;
a wireless transmitting module 150, which is arranged on the body 110 and is in communication connection with the data processing circuit 140, wherein the wireless transmitting module 150 is used for transmitting the compressed digital signal;
and a battery 160 provided in the body 110.
The embodiment of the utility model provides a, compress original digital signal through data processing circuit 140, can reduce original digital signal data volume for can realize the detection of 2-3 ploidy table signals under limited transmission bandwidth, perhaps realize the collection efficiency that 2-3 times is higher in the condition that limited body surface signal detected. In addition, the wireless transmission module is integrated into the electrocardio detection electrode 120, so that the wireless transmission of signals can be realized, and the electrocardio detection electrode is simple in structure and easy to realize.
According to some embodiments of the present invention, wireless transmission module 150 is a bluetooth module.
According to some embodiments of the invention, the data processing circuit 140 is configured to:
according to formula 1, a sparse matrix X of the original digital signal is extracted,
wherein the content of the first and second substances,
k represents the number of zero-value data in the original digital signal, q represents the data size of the original digital signal in t time, p represents the compressed data size of the original digital signal, and the symbol
Meaning rounded down, the symbol "random" denotes a random matrix, rpqRepresenting random numbers obeying a gaussian distribution;
according to equation 2, the original digital signal is data-compressed,
wherein A isnRepresenting the original digital signal, BnRepresenting a compressed digital signal.
According to some embodiments of the invention, rpqThe access range of (a) is related to the position of the patch type wireless electrocardiograph detection module 10.
As shown in fig. 3, according to some embodiments of the present invention, the wireless receiving module 20 includes:
the wireless receiving and data preprocessing platform 210 is wirelessly connected with the patch type wireless electrocardiogram detection module 10;
the data post-processing terminal 220 is in communication connection with the wireless receiving and data preprocessing platform 210;
the wireless receiving and data preprocessing platform 210 is configured to receive a compressed digital signal, perform data recovery processing on the compressed digital signal, convert the compressed digital signal into a signal to be analyzed, and send the signal to the data post-processing terminal 220, and the data post-processing terminal 220 is configured to receive the signal to be analyzed and obtain electrocardiographic information of a human body according to the signal to be analyzed.
According to some embodiments of the present invention, wireless reception and data preprocessing platform 210 is configured to:
according to equation 3, the compressed digital signal is subjected to data recovery processing,
wherein, CnRepresenting the signal to be analyzed after data recovery processing, wherein Z is a recovery matrix;
the expression of Z is referred to in equation 4,
the matrix Y is related to k, and when k is larger than 0, the matrix Y represents an inverse matrix after Fourier transform is carried out on the unit matrix; when k is equal to or less than 0, the matrix Y is an identity matrix.
As shown in fig. 2, according to some embodiments of the present invention, the analog signal processing circuit 130 includes: a filter circuit 131, an amplifier circuit 132, and a digital conversion circuit 133. The filter circuit 131 is used for performing filter processing on the body surface electrical signals, the amplifying circuit 132 is used for amplifying the body surface electrical signals after the filter processing, and the digital conversion circuit 133 is used for converting the body surface electrical signals after the amplification processing into processable original digital signals.
As shown in fig. 2, according to some embodiments of the present invention, the number of the electrocardiograph detecting electrodes 120 is two, and the two electrocardiograph detecting electrodes are respectively the first electrocardiograph detecting electrode and the second electrocardiograph detecting electrode arranged at intervals.
As shown in fig. 3, according to some embodiments of the present invention, the patch type wireless electrocardiograph detection module 10 is multiple. The patch-type wireless electrocardiograph detection modules 10 are used for detecting body surface electrical signals at different positions of a human body, such as a left arm, a right arm, a left ankle, a right ankle, a head and the like.
As shown in fig. 4, based on the utility model discloses whole body multichannel electrocardio real-time wireless monitoring system's whole body multichannel electrocardio real-time wireless monitoring method of whole body, include:
s1, the surface mount type wireless electrocardio detection module collects the body surface electric signals, compresses the body surface electric signals and converts the body surface electric signals into compressed digital signals to be sent out;
and S2, the wireless receiving module receives the compressed digital signal and acquires the electrocardio information of the human body according to the compressed digital signal.
According to the utility model discloses a some embodiments, turn into compression digital signal after compressing the processing to the body surface electricity signal and in order to send away, include:
converting the body surface electric signal into a processable original digital signal;
according to formula 1, a sparse matrix X of the original digital signal is extracted,
wherein the content of the first and second substances,
k represents the number of zero-value data in the original digital signal, q represents the data size of the original digital signal in t time, p represents the compressed data size of the original digital signal, and the symbol
Meaning rounded down, the symbol "random" denotes a random matrix, rpqRepresenting random numbers obeying a gaussian distribution;
according to equation 2, the original digital signal is data-compressed,
wherein A isnRepresenting the original digital signal, BnRepresenting a compressed digital signal;
the method for acquiring the electrocardio information of the human body according to the compressed digital signals comprises the following steps:
according to formula 3, the compressed digital signal is subjected to data recovery processing to obtain a signal to be analyzed
Wherein, CnRepresenting the signal to be analyzed after data recovery processing, wherein Z is a recovery matrix;
the expression of Z is referred to in equation 4,
the matrix Y is related to k, and when k is larger than 0, the matrix Y represents an inverse matrix after Fourier transform is carried out on the unit matrix; when k is less than or equal to 0, the matrix Y is an identity matrix;
and acquiring the electrocardio information of the human body according to the signal to be analyzed.
The whole-body multi-channel real-time electrocardiographic wireless monitoring system 1 according to the embodiment of the present invention is described in detail with reference to fig. 2 to 3. It is to be understood that the following description is illustrative only and is not intended as a specific limitation on the invention. All adopt the utility model discloses a similar structure and similar change all should be listed in the protection scope of the utility model.
As shown in fig. 3, the embodiment of the utility model discloses whole body multichannel electrocardio real-time wireless monitoring system 1, including a plurality of SMD wireless electrocardio detection module 10, wireless receiving and data preprocessing platform 210 and data post-processing terminal 220.
As shown in fig. 2, each patch-type wireless electrocardiograph detection module 10 includes two electrocardiograph detection electrodes 120, a filter circuit 131, an amplifier circuit 132, a digital conversion circuit 133, a data processing circuit 140, a wireless transmitting module 150, and a battery 160. When the patch type wireless electrocardio detection module 10 works, the patch type wireless electrocardio detection module can be arranged on the trunk, the limbs, the head and other positions of a human body, and the two electrocardio detection electrodes 120 are tightly attached to the skin to respectively collect two paths of body surface electric signals.
Specifically, as shown in fig. 3, the body surface electrical signals detected by the electrocardiograph detection electrodes 120 are processed by the filter circuit 131, the amplifier circuit 132 and the digital conversion circuit 133 and then converted into processable original digital signals, the data processing circuit 140 compresses the original digital signals and transmits the compressed signals to the wireless receiving and data preprocessing platform 210 through the wireless transmitting module 150, the wireless receiving and data preprocessing platform 210 receives electrocardiograph detection compressed signals from a plurality of parts of the human body, performs data recovery processing, and the obtained information is transmitted to the data post-processing terminal 220 for final data analysis to obtain electrocardiograph information of the human body.
The patch type wireless electrocardiograph detection module 10 comprises two electrocardiograph detection electrodes 120, and the two electrocardiograph detection electrodes 120 are tightly attached to the skin and used for collecting body surface electric signals. During detection, each patch type wireless electrocardiograph detection module 10 needs to acquire and process an original digital signal obtained by processing through the filter circuit 131, the amplifier circuit 132 and the digital conversion circuit 133, and a label is added to each path of original digital signal. For example, labels are added to N original digital signals a collected by N patch-type wireless electrocardiograph detection modules 10 respectivelyThen data A can be obtainednN is 1,2, … …, N. The sampling rate of the digital conversion circuit 133 is set to f/Hz, and the acquired data is one-dimensional data, so that the size of the data a obtained in the time t is q ═ f × t, and two bits are added to the data start position of each group as a label.
The compression process of the data processing circuit 140 is divided into two steps:
extracting a sparse matrix: the input of the feature extraction is an original digital signal AnDefining a zero-valued feature as k, representing the original digital signal AnThe number of zero-value data in (1) is defined as X, q represents the data size of the original digital signal A obtained in time t, p represents the data size of the compressed digital signal, and the expression of X is as follows:
wherein the symbols
The expression is rounded downwards, the symbol "random" represents a random matrix, rqp random weights in the expression are used for taking random numbers which are distributed according to Gaussian, and the number taking range is adjusted according to the placement position and the position of the patch wireless electrocardio detection module.
Data compression: definition BnIs AnThe data after the data compression by the sparse matrix can be expressed as the following formula:
Bnnamely, the patch type wireless electrocardiograph detection module 10 finally sends the signal to the wireless receiving and data preprocessing platform 210 through the wireless transmitting module 150.
The above-mentionedThe wireless receiving and data preprocessing platform 210 functions to compress the digital signals B received from all parts of the bodynAnd performing data recovery, wherein an expression of a recovery matrix Z is defined as follows:
the matrix Y is related to a zero-value characteristic k, and when k is larger than 0, the matrix Y represents an inverse matrix after Fourier transform is carried out on the identity matrix; when k is equal to or less than 0, the matrix Y is an identity matrix. Definition CnFor the data recovered by matrix Z, the expression is as follows:
adopt the embodiment of the utility model provides a, two way body surface electrocardiosignals are gathered respectively to skin is hugged closely to two electrocardio detection electrodes. The signal is converted into a processable original digital signal through filtering and amplifying processing and a digital conversion circuit, and the processed original digital signal is compressed through a sparse matrix and is sent out to a wireless receiving and data preprocessing platform through a wireless transmitting module. The platform receives data from a plurality of electrocardio detection device nodes of a human body, the data are restored through a restoration matrix, relevant data are sent to a data post-processing terminal for final data analysis, and electrocardio information of the human body is obtained. The electrocardio real-time monitoring system supports the simultaneous acquisition and processing of electrocardio information of a plurality of nodes of a human body, the related method supports the expansion of any number of nodes to avoid the condition of insufficient data bandwidth, ensures the real-time monitoring of multi-path electrocardio data of the whole body, and has good application potential in the aspects of medical science and health monitoring.
It should be noted that the above-mentioned embodiments are only preferred embodiments of the present invention, and are not intended to limit the present invention, and those skilled in the art can make various modifications and changes. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
In the description of the present specification, in the following description, suffixes such as "module", "part", or "unit" used to denote elements are used only for the convenience of the description of the present invention, and have no specific meaning in itself. Thus, "module", "component" or "unit" may be used mixedly. Furthermore, references to the description of the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," or the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Although some embodiments described herein include some features included in other embodiments instead of others, combinations of features of different embodiments are meant to be within the scope of the invention and form different embodiments. The particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. For example, in the claims, any of the claimed embodiments may be used in any combination.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (8)
1. A whole body multipath electrocardio real-time wireless monitoring system is characterized by comprising:
the patch type wireless electrocardio detection module is suitable for being attached to a human body;
the wireless receiving module is wirelessly connected with the patch type wireless electrocardio detecting module;
the patch type wireless electrocardio detection module is used for collecting body surface electric signals, compressing the body surface electric signals and converting the body surface electric signals into compressed digital signals to be sent to the wireless receiving module, and the wireless receiving module is used for receiving the compressed digital signals and acquiring the electrocardio information of the human body according to the compressed digital signals.
2. The system for real-time wireless monitoring of multi-channel whole-body electrocardiography according to claim 1, wherein the patch-type wireless electrocardiography detecting module comprises:
the body is suitable for being attached to a human body;
the electrocardio detection electrode is arranged on the body and used for detecting and collecting the body surface electric signal;
the analog signal processing circuit is arranged on the body and is in communication connection with the electrocardio detection electrode, and the analog signal processing circuit is used for converting the body surface electric signals into original digital signals;
the data processing circuit is arranged on the body and is in communication connection with the analog signal processing circuit, and the data processing circuit is used for compressing the original digital signal to obtain the compressed digital signal;
the wireless transmitting module is arranged on the body and is in communication connection with the data processing circuit, and the wireless transmitting module is used for transmitting the compressed digital signal.
3. The system for real-time wireless monitoring of multi-channel whole-body electrocardiography according to claim 2, wherein the data processing circuit is configured to:
extracting a sparse matrix X of the original digital signal according to formula 1,
wherein the content of the first and second substances,
k represents the originalThe number of zero-value data in the digital signal, q represents the data size of the original digital signal in t time, p represents the compressed data size of the original digital signal, and the symbol
Meaning rounded down, the symbol "random" denotes a random matrix, rpqRepresenting random numbers obeying a gaussian distribution;
performing data compression on the original digital signal according to equation 2,
wherein A isnRepresenting the original digital signal, BnRepresenting a compressed digital signal.
4. The system for real-time wireless monitoring of multi-channel whole-body electrocardiography according to claim 3, wherein r is the signal of the pulse width modulationpqThe number taking range is related to the position of the patch type wireless electrocardio detection module.
5. The system for real-time wireless monitoring of multi-channel whole body electrocardiography according to claim 3, wherein the wireless receiving module comprises:
the wireless receiving and data preprocessing platform is wirelessly connected with the patch type wireless electrocardio detection module;
the data post-processing terminal is in communication connection with the wireless receiving and data preprocessing platform;
the wireless receiving and data preprocessing platform is used for receiving the compressed digital signals, performing data recovery processing on the compressed digital signals, converting the compressed digital signals into signals to be analyzed and sending the signals to the data post-processing terminal, and the data post-processing terminal is used for receiving the signals to be analyzed and acquiring the electrocardio information of the human body according to the signals to be analyzed.
6. The system for real-time wireless monitoring of multi-channel whole-body electrocardiography according to claim 5, wherein the wireless receiving and data preprocessing platform is configured to:
performing data recovery processing on the compressed digital signal according to equation 3,
wherein, CnRepresenting the signal to be analyzed after data recovery processing, wherein Z is a recovery matrix;
the expression of Z is referred to in equation 4,
the matrix Y is related to k, and when k is larger than 0, the matrix Y represents an inverse matrix after Fourier transform is carried out on the unit matrix; when k is equal to or less than 0, the matrix Y is an identity matrix.
7. The system for real-time wireless multi-channel whole-body electrocardiographic monitoring according to claim 2,
the analog signal processing circuit includes: a filter circuit, an amplifier circuit, and a digital conversion circuit.
8. The system for real-time wireless monitoring of multi-channel whole body electrocardiography according to claim 2, wherein the electrocardiography detecting electrodes comprise a first electrocardiography detecting electrode and a second electrocardiography detecting electrode which are arranged at intervals.
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