CN108304822A - Signal processing apparatus and method - Google Patents
Signal processing apparatus and method Download PDFInfo
- Publication number
- CN108304822A CN108304822A CN201810156008.5A CN201810156008A CN108304822A CN 108304822 A CN108304822 A CN 108304822A CN 201810156008 A CN201810156008 A CN 201810156008A CN 108304822 A CN108304822 A CN 108304822A
- Authority
- CN
- China
- Prior art keywords
- signal
- identification
- circuit
- display device
- bio
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
- G06V40/40—Spoof detection, e.g. liveness detection
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/02—Detecting, measuring or recording pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/117—Identification of persons
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/25—Arrangements specific to fibre transmission
Abstract
The present embodiments relate to signal processing technology fields, in particular to a kind of signal processing apparatus and method.The signal processing apparatus includes harvester, display device and identification device, harvester is communicated to connect with display device, display device is communicated to connect with identification device, harvester is used to obtain the heart impact signal of organism to be detected and the heart impact signal is sent to display device, display device is for pre-processing the heart impact signal received to obtain corresponding bio-identification signal and the bio-identification signal is sent to identification device, identification device is for matching to obtain matching result the bio-identification signal received, predetermined registration operation instruction is sent to display device according to matching result.The signal processing apparatus and method security height, operability are strong, easy to spread.
Description
Technical field
The present embodiments relate to signal processing technology fields, in particular to a kind of signal processing apparatus and method.
Background technology
With the arriving of information age, biological identification technology is widely used to each class of electronic devices such as mobile phone, tablet
With computer etc..The application field of biological identification technology also very extensive such as personal health care field, e-commerce field, army
Thing field etc..The biological characteristics such as existing biological identification technology sound multipair greatly, fingerprint, face, iris are identified, these lifes
Object feature is easy to fake and imitate, and under specific occasion, the operability being identified using these biological characteristics is very low, is not easy
In popularization.
Invention content
In view of this, the present invention provides a kind of signal processing apparatus and method, the biology of body to be detected can be effectively avoided
Feature is forged and is imitated, and improves the operability of bio-identification, and easy to spread.
To achieve the above object, an embodiment of the present invention provides a kind of signal processing apparatus, including harvester, display dress
It sets and identification device；
The harvester includes detection components and the first transmitting device, the detection components and first transmitting device
It is electrically connected, first transmitting device is communicated to connect with the display device；The detection components are for obtaining life to be detected
The heart impact signal of object；First transmitting device is used to the heart impact signal being sent to the display device；
The display device includes filter circuit, first receiving device and the first Ethernet interface, the filter circuit point
It is not electrically connected with the first receiving device and first Ethernet interface, first Ethernet interface and the identification
Device communicates to connect；The filter circuit obtains corresponding bio-identification letter for pre-processing the heart impact signal
Number；First Ethernet interface is used to the bio-identification signal being sent to the identification device；
The identification device includes the second Ethernet interface and processing unit, second Ethernet interface and the processing
Device is electrically connected；Second Ethernet interface is used to receive the bio-identification letter that first Ethernet interface is sent
Number, the processing unit obtains matching knot for matching the bio-identification signal with the biological information to prestore
Fruit, and predetermined registration operation instruction is sent to by the display device according to the matching result.
Optionally, the detection components include power circuit, illuminating part, optical fiber component and photodetector；
The power circuit is electrically connected with the illuminating part and the photodetector respectively, and the power circuit is used for
Working power is provided to the illuminating part and the photodetector；
The type matching of the type of the illuminating part and the photodetector；
One end of the optical fiber component is fixedly connected with the illuminating part, the optical fiber component far from the illuminating part one
End is electrically connected with the photodetector；The photodetector is electrically connected with first transmitting device；
The photodetector from the optical fiber component for receiving the optical signal that the illuminating part is sent out, according to described
The loss analysis that optical signal occurs when being transmitted in the optical fiber component obtains heart impact signal.
Optionally, the optical fiber component includes multimode fibre and multiple elastic components；
The multimode fibre is set between multiple elastic components；Each elastic component is bonded with the multimode fibre；
One end of the multimode fibre is fixedly connected with the illuminating part, the multimode fibre far from the illuminating part one
End is electrically connected with the photodetector；
When the multiple elastic components of pumping power extruding of the organism to be detected itself, make multiple elastic components hairs
When raw deformation,
Multimode fibre described in multiple elastic member presses, when the optical signal being made to be transmitted in the multimode fibre
Loss,
The photodetector obtains heart impact signal according to the optical signal and the loss analysis.
Optionally, the illuminating part is light emitting diode.
Optionally, the elastic component is the elastic strip body with grenadine.
Optionally, the filter circuit includes bandwidth-limited circuit, low-pass filter circuit and rejector circuit；
The bandwidth-limited circuit is electrically connected with the low-pass filter circuit；
The one end of the low-pass filter circuit far from the bandwidth-limited circuit is electrically connected with the rejector circuit；
The one end of the rejector circuit far from the low-pass filter circuit electrically connects with first Ethernet interface
It connects；
The bandwidth-limited circuit, the low-pass filter circuit and the rejector circuit are for filtering out the heart impact
Interference signal in signal.
Optionally, the frequency range of the bandwidth-limited circuit is 0.5~40Hz, and the frequency of the low-pass filter circuit is
The frequency range of 15Hz, the rejector circuit are 40~60Hz；
It is that the signal of 0.5~40Hz passes through that the bandpass filter, which is used to make frequency range,；
The low-pass filter is used to make signal of the frequency range less than 15Hz to pass through；
The signal that the rejector circuit is used to that frequency range to be blocked to be 40~60Hz.
Optionally, the display device further includes display screen；
The display screen and one end electric connection of the rejector circuit far from the low-pass filter circuit, it is described aobvious
Display screen is for showing the bio-identification signal.
Optionally, first transmitting device and the first receiving device are bluetooth module.
The embodiment of the present invention additionally provides a kind of signal processing method, is applied to said signal processing device, the signal
Processing unit includes the harvester for communicating among each other connection, display device and identification device, the method includes：
Harvester obtains the heart impact signal of organism to be detected, and the heart impact signal is sent to display device；
The display device receives the heart impact signal, and obtains corresponding bio-identification according to the heart impact signal
The bio-identification signal is sent to identification device by signal；
The identification device receives the bio-identification signal, and the bio-identification signal and the biological characteristic to prestore are believed
Breath is matched, and obtains matching result, and predetermined registration operation instruction is sent to the display device according to the matching result.
Signal processing apparatus provided in an embodiment of the present invention, harvester can to the heart impact signal of organism to be detected into
Row detection obtains, and heart impact signal can be carried out pretreatment and obtain bio-identification signal by display device, and identification device can be to described
Bio-identification signal carries out match cognization, and heart impact signal has uniqueness and specificity, is not easy to be forged and imitated, acquisition dress
High sensitivity, small, light-weight is set, easy to carry, operability is strong, is not influenced by scene, easy to spread.
Further, the combination of detection components illuminating part, optical fiber component and photodetector, by analyzing biology to be detected
The pumping power of body obtains heart impact signal in turn to the energy loss that optical signal generates, and does not need additional adhesive electrodes, can
It is easy to operate to be set to any position of biology to be detected.
Description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not construed as pair
The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
A kind of structure diagram for signal processing apparatus that Fig. 1 is provided by the embodiment of the present invention.
A kind of structural schematic diagram for optical fiber component that Fig. 2 is provided by the embodiment of the present invention.
A kind of circuit diagram for bandwidth-limited circuit that Fig. 3 is provided by the embodiment of the present invention.
A kind of circuit diagram for low-pass filter circuit that Fig. 4 is provided by the embodiment of the present invention.
A kind of circuit diagram for rejector circuit that Fig. 5 is provided by the embodiment of the present invention.
A kind of flow chart for signal processing method that Fig. 6 is provided by the embodiment of the present invention.
Icon：100- signal processing apparatus；1- harvesters；11- illuminating parts；12- optical fiber components；121- multimode fibres；
122- elastic components；13- photodetectors；The first transmitting devices of 14-；2- display devices；21- first receiving devices；22- filtered electricals
Road；23- display screens；The first Ethernet interfaces of 24-；3- identification devices；The second Ethernet interfaces of 31-；32- processing units.
Specific implementation mode
Further investigation reveals that the biological characteristics such as existing biological identification technology sound multipair greatly, fingerprint, face, iris carry out
Identification, these biological characteristics are easy to fake and be imitated, under specific occasion, are identified using these biological characteristics operable
Property is very low, is not easy to promote.
Based on the studies above, an embodiment of the present invention provides a kind of signal processing apparatus and methods, are avoided that biological characteristic
It is forged and is imitated, the operability of bio-identification can be improved, it is easy to spread.
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment only
It is a part of the embodiment of the present invention, instead of all the embodiments.The present invention being usually described and illustrated herein in the accompanying drawings
The component of embodiment can be arranged and be designed with a variety of different configurations.
Therefore, below the detailed description of the embodiment of the present invention to providing in the accompanying drawings be not intended to limit it is claimed
The scope of the present invention, but be merely representative of the present invention selected embodiment.Based on the embodiments of the present invention, this field is common
The every other embodiment that technical staff is obtained without creative efforts belongs to the model that the present invention protects
It encloses.
It should be noted that：Similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined, then it further need not be defined and explained in subsequent attached drawing in a attached drawing.
In the description of the present invention unless specifically defined or limited otherwise, term " setting ", " connected ", " connection " are answered
It is interpreted broadly, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；Can be that machinery connects
It connects, can also be electrical connection；It can be directly connected, can also can be indirectly connected through an intermediary in two elements
The connection in portion.For the ordinary skill in the art, the tool of above-mentioned term in the present invention can be understood with concrete condition
Body meaning.
Fig. 1 shows a kind of structure diagram for signal processing apparatus 100 that the embodiment of the present invention is provided.As seen from the figure,
The signal processing apparatus includes harvester 1, display device 2 and identification device 3.Wherein, harvester 1 and display device 2 are logical
Letter connection, display device 2 are communicated to connect with identification device 3.
Please continue to refer to Fig. 1, as seen from the figure, the harvester 1 include power circuit (not shown), illuminating part 11,
Optical fiber component 12, photodetector 13 and the first transmitting device 14.Wherein, power circuit respectively with illuminating part 11 and photodetection
Device 13 is electrically connected, and power circuit is used to provide working power to illuminating part 11 and photodetector 13.
Illuminating part 11, optical fiber component 12 and photodetector 13 form detection components.Optionally, one end of optical fiber component 12
It is fixedly connected with illuminating part 11, the one end of optical fiber component 12 far from illuminating part 11 is electrically connected with photodetector 13.Wherein, it sends out
The type matching of the type and photodetector 13 of light part 11, for example, when selecting the illuminating part 11 of light source of different-waveband,
Photodetector 13 must satisfy the wave band of the illuminating part 11.In another example illuminating part 11 can select light emitting diode, accordingly
Ground, photodetector 13 must satisfy the wave band of light emitting diode.The detection components are used to obtain the heart punching of organism to be detected
Hit signal, wherein the principle that detection components obtain the heart impact signal of organism to be detected is as follows：
The heartbeat of organism to be detected when blood stream intravascular, will produce a kind of pumping power, so that body is generated multiple
Miscellaneous mechanical movement, heart impact signal can be understood as the image that the motion conditions of body are constituted with the time, i.e. ballistocardiography.When
When body generates mechanical movement, the structure of optical fiber component 12 can be made to change, hinder the passage of light path, and then lead to illuminating part
11 torrent of lights sent out can receive the light letter of variation through will produce energy loss, photoelectric sensor 13 when optical fiber component 12
Number, the optical signal of the variation is heart impact signal.
Present inventor has found that heart impact signal contains abundant individual identity information, by a in practical study
The factors such as systemic heart position, size, construction, age, gender, weight and thoracic cavity structure influence, that is, for Different Individual
For, heart impact signal is not quite similar, and meets biological characteristic for required four key properties of identification, generally
Property, can acquire uniqueness, stability.
Since existing bio-identification type is various, for example, fingerprint recognition, recognition of face, iris recognition, personal recognition,
The recognition methods such as voice recognition, electrocardiogram identification.Since fingerprint, palmmprint are easy to replicate to which information is stolen, sound is easily by him
People is imitated, therefore needs the encrypted field safety coefficient of information relatively low certain.Iris recognition due to be not easy in its mode by
Audiences’perception, therefore the difficulty promoted is larger.Electrocardiogram identification is since its needs is in human skin surface's adhesive electrodes, acquisition modes
Upper inconvenience.In addition, iris recognition, face recognition etc. are also limited by installation position, screen generally can only be disposed upon just
Front, and identify that condition is harsh.Therefore, above-mentioned recognition methods cannot provide lasting identification certification.
Detection components (illuminating part 11+ optical fiber component 12+ photoelectric sensors) provided in an embodiment of the present invention are noninvasive, non-bodies
Body direct skin contact and insensible measurement method, since the heart impact signal of organism to be detected has uniqueness and special
Property, the information which obtains is difficult to be stolen and imitate, and operability is strong, easy to carry.
Fig. 2 shows a kind of structural schematic diagrams for optical fiber component that the embodiment of the present invention is provided, as seen from the figure, the optical fiber
Component includes multimode fibre 121 and multiple elastic components 122, and multimode fibre 121 is set between multiple elastic components 122.
Wherein, 121 integrally connected of multimode fibre and be in single sequential like, one end of multimode fibre 121 is solid with illuminating part 11
Fixed connection, the one end of multimode fibre 121 far from illuminating part 11 are electrically connected with photodetector 13.When heartbeat is generated to body
When the active force of body makes body generate complicated mechanical movement, body can apply elastic component 122 pressure, and elastic component 122 generates
Deformation, and then multimode fibre 121 is squeezed so that multimode fibre 121 deforms upon, and then optical signal is made to occur in transmission process
Energy loss, photodetector 13 can obtain heart impact signal according to optical signal and its energy loss.
In the present embodiment, elastic component 122 can be the elastic strip body with grenadine.
It is appreciated that Fig. 2 illustrates only an elastic component 122, it is not the restriction to this programme.
Please continue to refer to Fig. 1, the first transmitting device 14 is used to heart impact signal being sent to display device 2.In this implementation
In example, display device 2 can be client, for example, mobile phone, tablet, computer or dedicated person identification means.It is optional
Ground, display device 2 include first receiving device 21, filter circuit 22, display screen 23 and the first Ethernet interface 24.
Wherein, first receiving device 21 and filter circuit 22 are electrically connected, filter circuit 22 respectively with display screen 23 and
First Ethernet interface 24 is electrically connected, and first receiving device 21 is used to receive the heart impact letter of the first transmitting device 14 transmission
Number, and the heart impact signal is transmitted to filter circuit 22.Since heart impact signal may carry part interference signal, in order to
Convenient for the accuracy identified later, filter circuit 22 is needed to pre-process the heart impact signal.
Optionally, filter circuit 22 includes bandwidth-limited circuit, low-pass filter circuit and rejector circuit.Wherein, band
One end of bandpass filter circuit is electrically connected with first receiving device 21.The one end of bandwidth-limited circuit far from first receiving device 21
It is electrically connected with low-pass filter circuit, the one end of low-pass filter circuit far from bandwidth-limited circuit electrically connects with rejector circuit
It connects.The one end of rejector circuit far from low-pass filter circuit is electrically connected with the first Ethernet interface 24.Bandwidth-limited circuit,
Low-pass filter circuit and rejector circuit are used to filter out the interference signal in the heart impact signal.
Referring to Fig. 3, a kind of circuit diagram of the bandwidth-limited circuit provided by the embodiment of the present invention as seen from the figure should
Bandwidth-limited circuit includes resistance R1, resistance R2, resistance R3, capacitance C1, capacitance C2, capacitance C3 and amplifier OP1.Wherein, first
Reception device carries the heart impact signal of interference signal by input terminal IN1 to bandwidth-limited circuit input.Optionally, resistance
R1, resistance R2, resistance R3, capacitance C1, capacitance C2, capacitance C3 and amplifier OP1 pass through the electrical connection of Fig. 3 such as and may be implemented pair
Frequency range provides access for the signal of 0.5~40Hz, and the signal except the frequency range is filtered.Further, it is filtered by the band logical
Signal after wave circuit filtering continues through low-pass filter circuit.
Referring to Fig. 4, a kind of circuit diagram of the low-pass filter circuit provided by the embodiment of the present invention as seen from the figure should
Low-pass filter circuit includes resistance R4, resistance R5, resistance R6, capacitance C4, capacitance C5 and amplifier OP2.Wherein, by the band of Fig. 3
Signal after bandpass filter circuit filtering inputs the low-pass filter circuit of Fig. 4 from input terminal IN2.Optionally, resistance R4, resistance
The letter for being higher than 15Hz to frequency range may be implemented by the electrical connection of Fig. 4 by R5, resistance R6, capacitance C4, capacitance C5 and amplifier OP2
It number is blocked, the signal after being filtered by the low-pass filter circuit continues through rejector circuit.
Referring to Fig. 5, a kind of circuit diagram of the rejector circuit provided by the embodiment of the present invention as seen from the figure should
Rejector circuit includes resistance R7, resistance R8, resistance R9, resistance R10, resistance R11, capacitance C6, resistance C7, resistance C8 and fortune
Put OP3.Wherein, the signal after being filtered by the low-pass filter circuit of Fig. 4 inputs the bandreject filtering electricity of Fig. 5 from input terminal IN3
Road.Optionally, resistance R7, resistance R8, resistance R9, resistance R10, resistance R11, capacitance C6, resistance C7, resistance C8 and amplifier OP3
It may be implemented to block the signal that frequency range is 40~60Hz by the electrical connection of Fig. 5, by the rejector circuit
Signal input panel 23 after filtering and the first Ethernet interface 24.
The value of each circuit element in above three filter circuit is configured according to actual conditions, can realize and the heart is rushed
The pretreatment for hitting signal, to obtain corresponding bio-identification signal, it will be understood that make a living by pretreated heart impact signal
Object identification signal.
It should be appreciated that Fig. 3, Fig. 4 and Fig. 5 be into the one of which circuit connecting mode for showing each filter circuit, not
It is the restriction to this programme, each filter circuit can also have other circuit connecting modes, not make in the present embodiment more
Explanation.
Display screen 23 is display device and user's direct interaction for showing heart impact signal in the form of images
Platform, user can judge whether oneself correctly enters on harvester by the determination to 23 centric(al) impact figure of display screen.
Optionally, the first transmitting device 14 in Fig. 1 and first receiving device 21 can be selected but be not limited to Bluetooth chip.
Please continue to refer to Fig. 1, identification device 3 includes the second Ethernet interface 31 and processing unit 32.Wherein, the second ether
Network interface 31 and processing unit 32 are electrically connected, and the second Ethernet interface 31 is used to receive the life of the first Ethernet interface 24 transmission
Object identification signal, processing unit 32 are matched for matching bio-identification signal with the biological information to prestore
As a result, and predetermined registration operation instruction is sent to display device 2 according to matching result.
Wherein, processing unit 32 carries out characteristics extraction to bio-identification signal, by the characteristic value that extracts and prestores
Characteristic set in template library carries out characteristic matching, obtains the corresponding matching result of this feature value and further ties the matching
Tab phenolphthaleinum enters template library, and then realizes the renewal learning to template library.
Optionally, preset operational order is sent to display device 2, display dress by processing unit 32 according to the matching result
Corresponding operation can be executed according to the operational order by setting 2.
For example, different bio-identification regions can be directed to, different predetermined registration operations can be arranged in processing unit 32.
For another example some bio-identification region can also be directed to, Compressive Strength is pressed according to the difference of user's operation, such as user
Difference, different predetermined registration operations can be arranged in processing unit 32.
For another example can also different safe classes can be set according to different bio-identification regions, processing unit 32,
Preset operation corresponding to different safe classes is different.
It is appreciated that display device 2 and identification device 3 can guarantee the safety of signal by LAN optimization.
On the basis of the above, as shown in fig. 6, the embodiment of the present invention additionally provides a kind of flow chart of signal processing method,
This method includes：
Step S21, harvester obtain the heart impact signal of organism to be detected, which is sent to display
Device.
Step S22, display device receives heart impact signal, and obtains corresponding bio-identification according to heart impact signal and believe
Number, bio-identification signal is sent to identification device.
Step S23, identification device receive bio-identification signal, by bio-identification signal and the biological information that prestores into
Row matching obtains matching result, and predetermined registration operation instruction is sent to display device according to matching result, and display device is according to being somebody's turn to do
Operational order carries out corresponding operating.
To sum up, the signal processing apparatus and method provided described in the embodiment of the present invention, by with photoelectric detection function
Detection components obtain the heart impact signal of organism to be detected, and obtain corresponding bio-identification according to the heart impact signal and believe
Number, which is matched with the biological information to prestore to obtain matching result, it will according to matching result
Predetermined registration operation instruction is sent to display device, and display device is operated according to the operational order, high safety, is not easy to be forged
And imitation, and harvester detection sensitivity it is high, it is light-weight, small, do not influenced by scene, operability is strong, easy to spread.
Further, detection device does not need additional adhesive electrodes, can be set to any position of biology to be detected.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, any made by repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of signal processing apparatus, which is characterized in that including harvester, display device and identification device；
The harvester includes detection components and the first transmitting device, and the detection components and first transmitting device are electrical
Connection, first transmitting device are communicated to connect with the display device；The detection components are for obtaining organism to be detected
Heart impact signal；First transmitting device is used to the heart impact signal being sent to the display device；
The display device includes filter circuit, first receiving device and the first Ethernet interface, the filter circuit respectively with
The first receiving device and first Ethernet interface are electrically connected, first Ethernet interface and the identification device
Communication connection；The filter circuit is for pre-processing the heart impact signal to obtain corresponding bio-identification signal；
First Ethernet interface is used to the bio-identification signal being sent to the identification device；
The identification device includes the second Ethernet interface and processing unit, second Ethernet interface and the processing unit
It is electrically connected；Second Ethernet interface is used to receive the bio-identification signal that first Ethernet interface is sent,
The processing unit is for matching the bio-identification signal with the biological information to prestore, acquisition matching result,
And predetermined registration operation instruction is sent to by the display device according to the matching result.
2. signal processing apparatus according to claim 1, which is characterized in that the detection components include power circuit, hair
Light part, optical fiber component and photodetector；
The power circuit is electrically connected with the illuminating part and the photodetector respectively, and the power circuit is used for institute
It states illuminating part and the photodetector provides working power；
The type matching of the type of the illuminating part and the photodetector；
One end of the optical fiber component is fixedly connected with the illuminating part, the one end of the optical fiber component far from the illuminating part with
The photodetector is electrically connected；The photodetector is electrically connected with first transmitting device；
The photodetector is believed for receiving the optical signal that the illuminating part is sent out from the optical fiber component according to the light
The loss analysis occurred when transmitting number in the optical fiber component obtains heart impact signal.
3. signal processing apparatus according to claim 2, which is characterized in that the optical fiber component includes multimode fibre and more
A elastic component；
The multimode fibre is set between multiple elastic components；Each elastic component is bonded with the multimode fibre；
One end of the multimode fibre is fixedly connected with the illuminating part, the one end of the multimode fibre far from the illuminating part with
The photodetector is electrically connected；
When the multiple elastic components of pumping power extruding of the organism to be detected itself, make multiple elastic components that shapes occur
When change,
Multimode fibre described in multiple elastic member presses damages when the optical signal being made to be transmitted in the multimode fibre
Consumption,
The photodetector obtains heart impact signal according to the optical signal and the loss analysis.
4. signal processing apparatus according to claim 3, which is characterized in that the illuminating part is light emitting diode.
5. signal processing apparatus according to claim 3, which is characterized in that the elastic component is the elastic piece with grenadine
Body.
6. signal processing apparatus according to claim 1, which is characterized in that the filter circuit includes bandpass filtering electricity
Road, low-pass filter circuit and rejector circuit；
The bandwidth-limited circuit is electrically connected with the low-pass filter circuit；
The one end of the low-pass filter circuit far from the bandwidth-limited circuit is electrically connected with the rejector circuit；
The one end of the rejector circuit far from the low-pass filter circuit is electrically connected with first Ethernet interface；
The bandwidth-limited circuit, the low-pass filter circuit and the rejector circuit are for filtering out the heart impact signal
In interference signal.
7. signal processing apparatus according to claim 6, which is characterized in that the frequency range of the bandwidth-limited circuit is
The frequency of 0.5~40Hz, the low-pass filter circuit are 15Hz, and the frequency range of the rejector circuit is 40~60Hz；
It is that the signal of 0.5~40Hz passes through that the bandpass filter, which is used to make frequency range,；
The low-pass filter is used to make signal of the frequency range less than 15Hz to pass through；
The signal that the rejector circuit is used to that frequency range to be blocked to be 40~60Hz.
8. signal processing apparatus according to claim 6, which is characterized in that the display device further includes display screen；
The display screen and one end electric connection of the rejector circuit far from the low-pass filter circuit, the display screen
For the bio-identification signal to be shown.
9. signal processing apparatus according to claim 1, which is characterized in that first transmitting device and described first connects
Receiving apparatus is bluetooth module.
10. a kind of signal processing method is applied to any signal processing apparatus of claim 1~9, the signal processing
Device includes the harvester for communicating among each other connection, display device and identification device；It is characterized in that, the method packet
It includes：
Harvester obtains the heart impact signal of organism to be detected, and the heart impact signal is sent to display device；
The display device receives the heart impact signal, and obtains corresponding bio-identification according to the heart impact signal and believe
Number, the bio-identification signal is sent to identification device；
The identification device receives the bio-identification signal, by the bio-identification signal and the biological information to prestore into
Row matching obtains matching result, and predetermined registration operation instruction is sent to the display device according to the matching result.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810156008.5A CN108304822A (en) | 2018-02-23 | 2018-02-23 | Signal processing apparatus and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810156008.5A CN108304822A (en) | 2018-02-23 | 2018-02-23 | Signal processing apparatus and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108304822A true CN108304822A (en) | 2018-07-20 |
Family
ID=62848805
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810156008.5A Pending CN108304822A (en) | 2018-02-23 | 2018-02-23 | Signal processing apparatus and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108304822A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110013244A (en) * | 2019-04-18 | 2019-07-16 | 江西益康医疗器械集团有限公司 | Medical cardiac bioelectricity monitoring device and its monitoring method |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090054742A1 (en) * | 2007-08-22 | 2009-02-26 | Bozena Kaminska | Apparatus for signal detection, processing and communication |
| US20110066041A1 (en) * | 2009-09-15 | 2011-03-17 | Texas Instruments Incorporated | Motion/activity, heart-rate and respiration from a single chest-worn sensor, circuits, devices, processes and systems |
| CN102573615A (en) * | 2009-08-06 | 2012-07-11 | 新加坡科技研究局 | A vital signs detecting device and a method for detecting vital signs |
| KR20140063493A (en) * | 2013-12-03 | 2014-05-27 | 서울대학교산학협력단 | System and method of ballistocardiogram-based personal authentication |
| CN105662424A (en) * | 2016-03-31 | 2016-06-15 | 德清县德意电脑有限公司 | Improved-structure ballistocardiogram signal recorder |
| CN105726036A (en) * | 2016-03-31 | 2016-07-06 | 德清县德意电脑有限公司 | Ballistocardiogram signal collection system |
| CN205795657U (en) * | 2016-06-17 | 2016-12-14 | 美的集团股份有限公司 | A kind of device gathering sleep procedure centric(al) impact signal |
| US20170014035A1 (en) * | 2015-07-19 | 2017-01-19 | Sanmina Corporation | System and method for a biosensor monitoring and tracking band |
| US20170055870A1 (en) * | 2015-08-25 | 2017-03-02 | Spaulding Medical, LLC | Simplified ECG Acquisition, Transmission And Sharing System |
| CN106923840A (en) * | 2017-04-10 | 2017-07-07 | 桂林电子科技大学 | Sitting posture detection device for vital signs and system |
| CN107072565A (en) * | 2014-09-30 | 2017-08-18 | 深圳市大耳马科技有限公司 | Vital sign fiber optic sensor system and method |
-
2018
- 2018-02-23 CN CN201810156008.5A patent/CN108304822A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090054742A1 (en) * | 2007-08-22 | 2009-02-26 | Bozena Kaminska | Apparatus for signal detection, processing and communication |
| CN102573615A (en) * | 2009-08-06 | 2012-07-11 | 新加坡科技研究局 | A vital signs detecting device and a method for detecting vital signs |
| US20110066041A1 (en) * | 2009-09-15 | 2011-03-17 | Texas Instruments Incorporated | Motion/activity, heart-rate and respiration from a single chest-worn sensor, circuits, devices, processes and systems |
| KR20140063493A (en) * | 2013-12-03 | 2014-05-27 | 서울대학교산학협력단 | System and method of ballistocardiogram-based personal authentication |
| CN107072565A (en) * | 2014-09-30 | 2017-08-18 | 深圳市大耳马科技有限公司 | Vital sign fiber optic sensor system and method |
| US20170014035A1 (en) * | 2015-07-19 | 2017-01-19 | Sanmina Corporation | System and method for a biosensor monitoring and tracking band |
| US20170055870A1 (en) * | 2015-08-25 | 2017-03-02 | Spaulding Medical, LLC | Simplified ECG Acquisition, Transmission And Sharing System |
| CN105662424A (en) * | 2016-03-31 | 2016-06-15 | 德清县德意电脑有限公司 | Improved-structure ballistocardiogram signal recorder |
| CN105726036A (en) * | 2016-03-31 | 2016-07-06 | 德清县德意电脑有限公司 | Ballistocardiogram signal collection system |
| CN205795657U (en) * | 2016-06-17 | 2016-12-14 | 美的集团股份有限公司 | A kind of device gathering sleep procedure centric(al) impact signal |
| CN106923840A (en) * | 2017-04-10 | 2017-07-07 | 桂林电子科技大学 | Sitting posture detection device for vital signs and system |
Non-Patent Citations (3)
| Title |
|---|
| ZHIHAO CHEN等: "Ballistocardiography based on optical fiber sensors", 《2017 16TH INTERNATIONAL CONFERENCE ON OPTICAL COMMUNICATIONS AND NETWORKS (ICOCN)》, pages 1 - 3 * |
| 张先文等: "基于心冲击信号的心率检测", 《清华大学学报(自然科学版)》, no. 07, pages 94 - 98 * |
| 王彬: "心冲击信号的经验模态分解提取方法研究", 《中国优秀硕士学位论文全文数据库 (医药卫生科技辑)》, no. 2, pages 060 - 494 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110013244A (en) * | 2019-04-18 | 2019-07-16 | 江西益康医疗器械集团有限公司 | Medical cardiac bioelectricity monitoring device and its monitoring method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105997026B (en) | A kind of intelligent health portable detection equipment | |
| PT106102A (en) | DEVICE AND METHOD FOR CONTINUOUS BIOMETRIC RECOGNITION BASED ON ELECTROCARDIOGRAPHIC SIGNS | |
| Depari et al. | Multi-sensor system with Bluetooth connectivity for non-invasive measurements of human body physical parameters | |
| CN108968952A (en) | A kind of brain myoelectricity and Inertia information synchronous acquisition device | |
| US20170185150A1 (en) | Wireless input system based on steady-state visual-evoked potentials | |
| WO2018145377A1 (en) | User identity recognition method, apparatus and system | |
| CN101576772A (en) | Brain-computer interface system based on virtual instrument steady-state visual evoked potentials and control method thereof | |
| CN207867530U (en) | Signal processing apparatus and system | |
| KR101381136B1 (en) | Bluetooth module for three channel electrocardiogram data and ecg measuring system using the same | |
| KR20140060737A (en) | Device of transmitting a bio signal, device of receiving the bio signal, and method thereof | |
| CN106227354A (en) | A kind of brain-machine interaction donning system | |
| CN108852341A (en) | A kind of digital radio Electrophysiology signal detection single-chip, system and method | |
| KR20200059584A (en) | Stress Level Analyzing Method and System Using Respiratory Rate-to-Heart Rate Ratio | |
| Matthies et al. | Capglasses: Untethered capacitive sensing with smart glasses | |
| JP2003102692A (en) | Biological information measuring instrument and system/ method for health management | |
| CN108717872A (en) | Health analysis method and system based on face, hard recognition and big data | |
| CN104809371B (en) | Judge the device and method of the authentication information validity of head-wearing type intelligent equipment | |
| CN108304822A (en) | Signal processing apparatus and method | |
| CN203825800U (en) | Intelligent remote controller integrated with heart rate collection and identification | |
| CN116077062B (en) | Psychological state perception method and system and readable storage medium | |
| CN113116356A (en) | Self-consciousness disorder auxiliary diagnosis system based on visual electroencephalogram signal analysis | |
| CN206400210U (en) | The intelligent AR glasses devices of brain wave control | |
| CN203982400U (en) | Person identification means | |
| Borah et al. | A BCI framework for smart home automation using EEG signal | |
| CN111665950A (en) | Intelligent interaction system integrated head-mounted equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |