CN108768440A - Signal processing method and device - Google Patents
Signal processing method and device Download PDFInfo
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- CN108768440A CN108768440A CN201810552734.9A CN201810552734A CN108768440A CN 108768440 A CN108768440 A CN 108768440A CN 201810552734 A CN201810552734 A CN 201810552734A CN 108768440 A CN108768440 A CN 108768440A
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- frequency
- signal
- selecting access
- access
- target frequency
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/40—Circuits
- H04B1/401—Circuits for selecting or indicating operating mode
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/005—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/40—Circuits
- H04B1/50—Circuits using different frequencies for the two directions of communication
Abstract
The disclosure provides signal processing method and device, signal processing method include：Obtain original radio frequency signal；The original radio frequency signal is filtered by target frequency-selecting access to obtain the radiofrequency signal of target frequency bands, the target frequency-selecting access is one of K frequency-selecting access, the radiofrequency signal for being used to gate corresponding frequency band per frequency-selecting access all the way in the K frequency-selecting access, K >=2；Predetermined registration operation is executed to the radiofrequency signal of the target frequency bands.The technical solution provides K frequency-selecting access for K frequency range, and each frequency-selecting access is exclusively used in gating the radiofrequency signal of some frequency range.It avoids the gating frequency range occurred when gating different frequency range radiofrequency signal by single filtering access to drift about, to improve the stability and accuracy of gating frequency range.
Description
Technical field
This disclosure relates to field of communication technology more particularly to signal processing method and device.
Background technology
Wireless telecom equipment completes signal frequency-selecting by electric tuning filter network.Electric tuning filter network is frequently with transfiguration
Diode and other capacitor and inductors are built.The capacitance of varactor changes as its both ends controls the variation of voltage,
So that electric tuning filter network can gate the radiofrequency signal of different frequency range by a filtering access.
However, due to the individual difference of varactor, it is identical to control the frequency that electric tuning filter network is gated under voltage
Section is likely to occur drift, leads to the signal decaying that need to gate frequency range, and the signal that need to filter out frequency range is retained.
Invention content
Embodiment of the disclosure provides signal processing method and device, technical solution are as follows：
According to the first aspect of the embodiments of the present disclosure, a kind of signal processing method is provided, including：
Obtain original radio frequency signal；
The original radio frequency signal is filtered by target frequency-selecting access to obtain the radiofrequency signal of target frequency bands, it is described
Target frequency-selecting access is one of K frequency-selecting access, and gating pair is used for per frequency-selecting access all the way in the K frequency-selecting access
Answer the radiofrequency signal of frequency range, K >=2；
Predetermined registration operation is executed to the radiofrequency signal of the target frequency bands.
Technical solution provided by the present disclosure provides K frequency-selecting access for K frequency range, and each frequency-selecting access is exclusively used in selecting
Lead to the radiofrequency signal of some frequency range.For the frequency range that needs gate, i.e. target frequency bands, the choosing of the frequency range is gated by being exclusively used in
Frequency access is filtered original radio frequency signal, avoids and goes out when gating different frequency range radiofrequency signal by single filtering access
Existing gating frequency range drift, to improve the stability and accuracy of gating frequency range.
In one embodiment, the acquisition original radio frequency signal, including：The original radio frequency letter is received by antenna
Number；
The radiofrequency signal to the target frequency bands executes predetermined registration operation, including：Demodulate the radio frequency of the target frequency bands
Signal obtains baseband signal.
In one embodiment, before the radiofrequency signal of the demodulation target frequency bands obtains baseband signal, further include：
Intermediate frequency filtering processing is done to the radiofrequency signal of the target frequency bands.
In one embodiment, the acquisition original radio frequency signal, including：Modulating baseband signal obtains the original radio frequency
Signal；
The radiofrequency signal to the target frequency bands executes predetermined registration operation, including：The target frequency is sent by antenna
The radiofrequency signal of section.
In one embodiment, before the radiofrequency signal that the target frequency bands are sent by antenna, further include：
Amplify the power of the radiofrequency signal of the target frequency bands.
In one embodiment, before the acquisition original radio frequency signal, further include：
The impedance of the K frequency-selecting access is set so that radio frequency of the target frequency-selecting access for the target frequency bands
The impedance of signal, it is minimum in the K frequency-selecting access.
In one embodiment, described that the original radio frequency signal is filtered to obtain target by target frequency-selecting access
The radiofrequency signal of frequency range, including：
Determine the target frequency bands；
The target frequency-selecting access is selected from the K frequency-selecting access according to the target frequency bands；
The original radio frequency signal and the target frequency-selecting access are connected.
In one embodiment, further include：
The original radio frequency signal and mismatch frequency-selecting access are disconnected；
Wherein, the mismatch frequency-selecting access is (K-1) in addition to the target frequency-selecting access in the K frequency-selecting access
A frequency-selecting access.
According to the second aspect of the embodiment of the present disclosure, a kind of signal processing apparatus is provided, including：
Acquisition module, for obtaining original radio frequency signal；
Filter module, for being filtered to obtain target frequency bands to the original radio frequency signal by target frequency-selecting access
Radiofrequency signal, the target frequency-selecting access are one of K frequency-selecting access, every frequency-selecting all the way in the K frequency-selecting access
Access is used to gate the radiofrequency signal of corresponding frequency band, K >=2；
Control module executes predetermined registration operation for the radiofrequency signal to the target frequency bands.
In one embodiment, the acquisition module includes receiving submodule, and described original penetrate is received for passing through antenna
Frequency signal；
The control module includes demodulation submodule, and the radiofrequency signal for demodulating the target frequency bands obtains base band letter
Number.
In one embodiment, the acquisition module includes modulation submodule, and the original is obtained for modulating baseband signal
Beginning radiofrequency signal；
The control module includes sending submodule, the radiofrequency signal for sending the target frequency bands by antenna.
In one embodiment, further include：
Setup module, the impedance for the K frequency-selecting access to be arranged so that the target frequency-selecting access is for the mesh
The impedance for marking the radiofrequency signal of frequency range, it is minimum in the K frequency-selecting access.
In one embodiment, further include：
Frequency range chosen module, for determining the target frequency bands；
Access chosen module, for selecting the target frequency-selecting from the K frequency-selecting access according to the target frequency bands
Access；
Access enables module, for connecting the original radio frequency signal and the target frequency-selecting access.
In one embodiment, further include：
Access disabled module, for disconnecting the original radio frequency signal and mismatch frequency-selecting access；
Wherein, the mismatch frequency-selecting access is (K-1) in addition to the target frequency-selecting access in the K frequency-selecting access
A frequency-selecting access.
According to the third aspect of the embodiment of the present disclosure, a kind of signal processing apparatus is provided, including：
Processor；
Memory for storing processor-executable instruction；
Wherein, the processor is configured as：
Obtain original radio frequency signal；
The original radio frequency signal is filtered by target frequency-selecting access to obtain the radiofrequency signal of target frequency bands, it is described
Target frequency-selecting access is one of K frequency-selecting access, and gating pair is used for per frequency-selecting access all the way in the K frequency-selecting access
Answer the radiofrequency signal of frequency range, K >=2；
Predetermined registration operation is executed to the radiofrequency signal of the target frequency bands.
According to the fourth aspect of the embodiment of the present disclosure, a kind of computer readable storage medium is provided, is stored thereon with calculating
Machine instructs, the step of first aspect provided signal processing method is realized when which is executed by processor.
It should be understood that above general description and following detailed description is only exemplary and explanatory, not
The disclosure can be limited.
Description of the drawings
The drawings herein are incorporated into the specification and forms part of this specification, and shows the implementation for meeting the disclosure
Example, and together with specification for explaining the principles of this disclosure.
Fig. 1 is the flow chart according to the signal processing method shown in an exemplary embodiment.
Fig. 2 is to illustrate schematic diagram according to the signal processing shown in an exemplary embodiment.
Fig. 3 is to illustrate schematic diagram according to the circuit structure of the frequency-selecting access shown in an exemplary embodiment.
Fig. 4 is to illustrate schematic diagram according to the gating characteristics of the frequency-selecting access shown in an exemplary embodiment.
Fig. 5 is to illustrate schematic diagram according to the gating characteristics of the frequency-selecting access shown in an exemplary embodiment.
Fig. 6 is the flow chart according to the signal processing method shown in an exemplary embodiment.
Fig. 7 is to illustrate schematic diagram according to the signal processing shown in an exemplary embodiment.
Fig. 8 is the electrical block diagram according to the control frequency-selecting access shown in an exemplary embodiment.
Fig. 9 is the electrical block diagram according to the control frequency-selecting access shown in an exemplary embodiment.
Figure 10 is the block diagram according to the electronic device shown in an exemplary embodiment.
Figure 11 is the block diagram according to the electronic device shown in an exemplary embodiment.
Figure 12 is the block diagram according to the electronic device shown in an exemplary embodiment.
Figure 13 is the block diagram according to the electronic device shown in an exemplary embodiment.
Figure 14 is the block diagram according to the electronic device shown in an exemplary embodiment.
Figure 15 is the block diagram according to the electronic device shown in an exemplary embodiment.
Figure 16 is the block diagram according to the electronic device shown in an exemplary embodiment.
Figure 17 is the block diagram according to the terminal device shown in an exemplary embodiment.
Specific implementation mode
Example embodiments are described in detail here, and the example is illustrated in the accompanying drawings.Following description is related to
When attached drawing, unless otherwise indicated, the same numbers in different drawings indicate the same or similar elements.Following exemplary embodiment
Described in embodiment do not represent all implementations consistent with this disclosure.On the contrary, they be only with it is such as appended
The example of the consistent device and method of some aspects be described in detail in claims, the disclosure.
Embodiment of the disclosure provides a kind of signal processing method, and the signal processing apparatus for executing this method.
The device is mountable in the equipment with radio communication function, such as mobile phone, intercom etc..
When using single filtering access, the gating characteristics of filtering access need to be adjusted, to gate different frequency range radiofrequency signal, and
Gating frequency range is easily led to the adjusting of gating characteristics to drift about.
The scheme that the disclosure provides provides different frequency-selecting accesses for different frequency range, and each frequency-selecting access is exclusively used in gating
The radiofrequency signal of some frequency range, to improve the stability and accuracy of gating frequency range.
Fig. 1 is a kind of flow chart of signal processing method shown according to an exemplary embodiment, and this method is applied to letter
Number processing unit.
With reference to signal processing shown in Fig. 2, using signal processing apparatus as the situation of signal sending end for, signal
Processing method includes step 101-103：
In a step 101, original radio frequency signal is obtained.
Original radio frequency signal refers to radiofrequency signal to be filtered.
In one embodiment, signal processing apparatus is as signal sending end.It refers to modulation base to obtain original radio frequency signal
Band signal obtains original radio frequency signal.
In a step 102, original radio frequency signal is filtered by target frequency-selecting access to obtain the radio frequency of target frequency bands
Signal.
Signal processing apparatus includes K frequency-selecting access, is used to gate correspondence per frequency-selecting access all the way in K frequency-selecting access
The radiofrequency signal of frequency range, K >=2.In K frequency-selecting access, it is used to gate the radiofrequency signal of corresponding frequency band per frequency-selecting access all the way.Mesh
It is one of K frequency-selecting access to mark frequency-selecting access.
By taking the situation of K=3 as an example, 3 frequency-selecting accesses with access A, access B, access C marks, are respectively used to gate respectively
The radiofrequency signal of 100MHz-200MHz, 300MHz-700MHz, 900MHz-1.2GHz.
Original radio frequency signal includes the carrier signal components and noise signal component of 100MHz-200MHz frequency ranges.Target
Frequency range is the frequency range of carrier signal, i.e. 100MHz-200MHz frequency ranges, is filtered to obtain to original radio frequency signal by access A
The radio frequency signal component of 100MHz-200MHz frequency ranges.
In one embodiment, every resistance of the frequency-selecting access for different frequency range radiofrequency signal all the way in K frequency-selecting access
Anti- difference, each frequency-selecting access are minimum relative to other frequency-selecting accesses to the impedance of its selected passband section radiofrequency signal.
Shown in Fig. 2,3 frequency-selecting path in parallel.Wherein, A pairs of access
The radiofrequency signal impedance of 100MHz-200MHz frequency ranges is one minimum in 3 frequency-selecting accesses.Access A gatings
The radiofrequency signal of 100MHz-200MHz frequency ranges inhibits other frequency range radiofrequency signals.
Similar, access B is minimum to the radiofrequency signal impedance of 300MHz-700MHz frequency ranges.Access C is to 900MHz-
The radiofrequency signal impedance of 1.2GHz frequency ranges is minimum.
Original radio frequency signal is after in parallel 3 frequency-selecting accesses in parallel, by the 100MHz-200MHz of access A propagation
The radiofrequency signal of frequency range is strobed, and the radiofrequency signal of the 100MHz-200MHz frequency ranges through access B and access C transmission is suppressed.
In one embodiment, for signal processing apparatus before coming into operation, raw manufacturer carries out the impedance of frequency-selecting access
Setting.Capacitor and inductor is generally included in frequency-selecting access, it, can be to frequency-selecting access pair by the selection to device capacitance value, inductance value
The resistance value of certain frequency range radiofrequency signal is configured.
For example, the circuit structure of frequency-selecting access shown in Fig. 3 can be used in 3 frequency-selecting accesses, adopted in different frequency-selecting accesses
It can be different with the impedance of device so that the frequency range respectively gated is different.
For example, working as C1=C2=1000pF, C3=C4=C5=30pF, L1=L2=L3=68nH, R1=R2When=50 Ω,
The gating characteristics of frequency-selecting access shown in Fig. 3 are as shown in figure 4, the radio frequency of frequency-selecting access gating 100MHz-200MHz frequency ranges is believed
Number, inhibit the radiofrequency signal of other frequency ranges.
Work as C1=C2=1000pF, C3=C4=C5=10pF, L1=L2=L3=18nH, R1=R2When=50 Ω, Fig. 3 institutes
The gating characteristics of the frequency-selecting access shown are as shown in figure 5, the frequency-selecting access gates
The radiofrequency signal of 300MHz-700MHz frequency ranges inhibits the radiofrequency signal of other frequency ranges.
In step 103, predetermined registration operation is executed to the radiofrequency signal of target frequency bands.
In one embodiment, predetermined registration operation is that the radiofrequency signal of target frequency bands is sent by antenna.
With reference to signal processing example shown in Fig. 2, modulating baseband signal obtains original radio frequency signal, original radio frequency letter
It number filters to obtain the radiofrequency signal of target frequency bands by target frequency-selecting access, the radiofrequency signal of target frequency bands is sent out by antenna
It goes.
It in one embodiment, can after filtering to obtain the radiofrequency signal of target frequency bands by target frequency-selecting access
The power of the radiofrequency signal of amplification target frequency range, then sent by antenna.First amplifying power, which retransmits, can ensure signal
Transmitting terminal and receiving terminal distance farther out when still be able to normal communication.
The signal processing method that the embodiment of the present disclosure provides provides K frequency-selecting access for K frequency range, and each frequency-selecting is logical
Road is exclusively used in gating the radiofrequency signal of some frequency range.For the frequency range that needs gate, i.e. target frequency bands, gated by being exclusively used in
The frequency-selecting access of the frequency range is filtered original radio frequency signal, avoids and is penetrated by single filtering access gating different frequency range
The gating frequency range drift occurred when frequency signal, to improve the stability and accuracy of gating frequency range.
Based on the signal processing method that the corresponding embodiments of above-mentioned Fig. 1-Fig. 5 provide, Fig. 6 is according to an exemplary embodiment
A kind of flow chart of the signal processing method shown.In content embodiment corresponding with Fig. 1-Fig. 5 in which part step
Step is same or like, only elaborates below to difference in step.
With reference to signal processing shown in Fig. 7, using signal processing apparatus as the situation of signal receiving end for, signal
Processing method includes step 601-605：
In step 601, original radio frequency signal is received by antenna.
In one embodiment, signal processing apparatus receives original radio frequency signal as signal receiving end by antenna.It is logical
Normal original radio frequency signal includes the noise signal component filtered out for the radio frequency signal component and needs of communication.
In step 602, target frequency bands are determined.
Frequency range in original radio frequency signal for the radio frequency signal component of communication is target frequency bands.For example, signal processing
Device is installed in intercom.The communication channel of intercom is first transferred to same channel, i.e., by user before using intercom call
Have selected the frequency range of the radiofrequency signal for communication.The corresponding frequency range of target frequency bands, that is, communication channel.
In step 603, according to target frequency bands from K frequency-selecting access selected target frequency-selecting access.
With reference to signal processing shown in Fig. 7, by taking the situation of K=3 as an example, 3 frequency-selecting accesses are respectively with access A, logical
Road B, access C marks.
The corresponding gating frequency ranges of access A are 100MHz-200MHz.
The corresponding gating frequency ranges of access B are 300MHz-700MHz.
The corresponding gating frequency ranges of access C are 900MHz-1.2GHz.
When target frequency bands are between 100MHz-200MHz, selected target frequency-selecting access is access A.When target frequency bands exist
When between 300MHz-700MHz, selected target frequency-selecting access is access B.When target frequency bands are between 900MHz-1.2GHz,
Selected target frequency-selecting access is access C.
In step 604, original radio frequency signal and target frequency-selecting access are connected.
Switch is each set between frequency-selecting access and antenna, antenna and frequency-selecting access can be connected or disconnected by switch.
With reference to shown in Fig. 7, for each frequency-selecting access by individually switching control, the switch of control access A is switch A, control
The switch of access B processed is switch B, and the switch of control access C is switch C.
When selected a certain frequency-selecting access is target frequency-selecting access, the switch for controlling the access is closed.
In one embodiment, frequency-selecting access is switched on or off by discrete component.
With reference to shown in Fig. 8, one end of frequency-selecting access 800 connects one end of the first capacitance 802, the first capacitance 802 it is another
The anode of one end and the first diode 804 of the first inductance 803 of end connection, the other end of the first inductance 803 pass through first resistor
805 connection power supplys 801, one end of cathode connection the second inductance 806 and the second capacitance 807 of the first diode 804, the second inductance
806 other ends are grounded, the input terminal of the other end of the second capacitance 807 as original radio frequency signal.
One end of the other end connection third capacitance 808 of frequency-selecting access 800, the other end of third capacitance 808 connect third
The other end of the anode of one end of inductance 809 and the second diode 810, third inductance 809 connects power supply by first resistor 805
801, the cathode of the second diode 810 connects one end of the 4th inductance 811 and the 4th capacitance 812, the other end of the 4th inductance 811
Ground connection, the output end of the other end of the 4th capacitance 812 as original radio frequency signal.
When power supply 801 is powered, the first diode 804 and the conducting of the second diode 810, original radio frequency signal are logical with frequency-selecting
Road 800 is connected.When 801 breakpoint of power supply, the first diode 804 and the cut-off of the second diode 810, original radio frequency signal and frequency-selecting
Access 800 disconnects.
In step 605, original radio frequency signal and mismatch frequency-selecting access are disconnected.
Mismatch frequency-selecting access is (K-1) a frequency-selecting access in addition to target frequency-selecting access in K frequency-selecting access.
With reference to shown in Fig. 7, when access A is target frequency-selecting access, access B and access C are video frequency-selecting access.It is being closed
Switch A simultaneously, disconnects switch B and switch C, and original radio frequency signal and access B and access C are disconnected.
With reference to shown in Fig. 8, when frequency-selecting access 800 is target frequency-selecting access, power supply 801 is powered.When frequency-selecting access 800 is to lose
When with frequency-selecting access, power supply 801 powers off
With reference to shown in Fig. 9, the switch of control access can be single pole multiple throw 91, while 91 communication paths A of switch,
Access B and access C are disconnected.
In step 606, the radiofrequency signal for demodulating target frequency bands obtains baseband signal.
With reference to signal processing example shown in Fig. 7, signal processing apparatus receives original radio frequency signal by antenna, former
Beginning radiofrequency signal filters to obtain the radiofrequency signal of target frequency bands by target frequency-selecting access, and the radiofrequency signal of target frequency bands is by solution
Tune obtains baseband signal.
In one embodiment, original radio frequency signal filters to obtain the radiofrequency signal of target frequency bands by target frequency-selecting access
Later, intermediate frequency filtering processing can be done to the radiofrequency signal of target frequency bands, the re-demodulation target frequency after the noise for filtering out intermediate-frequency band
The radiofrequency signal of section is to reduce the bit error rate.
The signal processing method that the embodiment of the present disclosure provides provides K frequency-selecting access for K frequency range, and each frequency-selecting is logical
Road is exclusively used in gating the radiofrequency signal of some frequency range.For the frequency range that needs gate, i.e. target frequency bands, gated by being exclusively used in
The frequency-selecting access of the frequency range is filtered original radio frequency signal, avoids and is penetrated by single filtering access gating different frequency range
The gating frequency range drift occurred when frequency signal, to improve the stability and accuracy of gating frequency range.
Following is disclosure apparatus embodiments, can be used for executing embodiments of the present disclosure.
Figure 10 is a kind of block diagram of electronic device shown according to an exemplary embodiment, the device can by software,
Hardware or both is implemented in combination with its some or all of function, for executing described in the corresponding embodiments of Fig. 1-Fig. 9
Signal processing method.As shown in Figure 10, electronic device includes：
Acquisition module 1001, for obtaining original radio frequency signal.
Filter module 1002, for being filtered to obtain target frequency bands to original radio frequency signal by target frequency-selecting access
Radiofrequency signal, target frequency-selecting access are one of K frequency-selecting access, are used for per frequency-selecting access all the way in K frequency-selecting access
Gate the radiofrequency signal of corresponding frequency band, K >=2.
Control module 1003 executes predetermined registration operation for the radiofrequency signal to target frequency bands.
As shown in figure 11, in one embodiment, acquisition module 1001 includes receiving submodule 10011, for passing through day
Line receives original radio frequency signal.
Control module 1003 includes demodulation submodule 10031, and the radiofrequency signal for demodulating target frequency bands obtains base band letter
Number.
As shown in figure 12, in one embodiment, acquisition module 1001 includes modulation submodule 10012, for modulating base
Band signal obtains original radio frequency signal.
Control module 1003 includes sending submodule 10032, the radiofrequency signal for sending target frequency bands by antenna.
As shown in figure 13, in one embodiment, further include：
Setup module 1004, the impedance for K frequency-selecting access to be arranged so that target frequency-selecting access is for target frequency bands
The impedance of radiofrequency signal, it is minimum in K frequency-selecting access.
As shown in figure 14, in one embodiment, further include：
Frequency range chosen module 1005, for determining target frequency bands.
Access chosen module 1006, for according to target frequency bands from K frequency-selecting access selected target frequency-selecting access.
Access enables module 1007, for connecting original radio frequency signal and target frequency-selecting access.
As shown in figure 15, in one embodiment, further include：
Access disabled module 1008, for disconnecting original radio frequency signal and mismatch frequency-selecting access.
Wherein, mismatch frequency-selecting access is (K-1) a frequency-selecting access in addition to target frequency-selecting access in K frequency-selecting access.
The electronic device that the embodiment of the present disclosure provides provides K frequency-selecting access for K frequency range, and each frequency-selecting access is special
Radiofrequency signal for gating some frequency range.For the frequency range that needs gate, i.e. target frequency bands, the frequency is gated by being exclusively used in
The frequency-selecting access of section is filtered original radio frequency signal, avoids and is gating different frequency range radio frequency letter by single filtering access
Number when occur gating frequency range drift, to improve gating frequency range stability and accuracy.
Figure 16 is a kind of block diagram of electronic device shown according to an exemplary embodiment, the device can by software,
Hardware or both is implemented in combination with as some or all of of electronic device, and the electronic device is for executing above-mentioned Fig. 1-figure
Signal processing method described in 9 corresponding embodiments.As shown in figure 16, electronic device 160 includes：
Processor 1601.
Memory 1602 for storing 1601 executable instruction of processor.
Wherein, processor 1601 is configured as：
Obtain original radio frequency signal.
Original radio frequency signal is filtered by target frequency-selecting access to obtain the radiofrequency signal of target frequency bands, target frequency-selecting
Access is one of K frequency-selecting access, the radio frequency for being used to gate corresponding frequency band per frequency-selecting access all the way in K frequency-selecting access
Signal, K >=2.
Predetermined registration operation is executed to the radiofrequency signal of target frequency bands.
In one embodiment, above-mentioned processor 1601 is also configured to：
Original radio frequency signal is received by antenna.
The radiofrequency signal of demodulation target frequency bands obtains baseband signal.
In one embodiment, above-mentioned processor 1601 is also configured to：
Modulating baseband signal obtains original radio frequency signal.
The radiofrequency signal of target frequency bands is sent by antenna.
In one embodiment, above-mentioned processor 1601 is also configured to：
The impedance of K frequency-selecting access is set so that impedance of the target frequency-selecting access for the radiofrequency signal of target frequency bands,
It is minimum in K frequency-selecting access.
In one embodiment, above-mentioned processor 1601 is also configured to：
Determine target frequency bands.
According to target frequency bands from K frequency-selecting access selected target frequency-selecting access.
Original radio frequency signal and target frequency-selecting access are connected.
In one embodiment, above-mentioned processor 1601 is also configured to：
Original radio frequency signal and mismatch frequency-selecting access are disconnected.
Wherein, mismatch frequency-selecting access is (K-1) a frequency-selecting access in addition to target frequency-selecting access in K frequency-selecting access.
The electronic device that the embodiment of the present disclosure provides provides K frequency-selecting access for K frequency range, and each frequency-selecting access is special
Radiofrequency signal for gating some frequency range.For the frequency range that needs gate, i.e. target frequency bands, the frequency is gated by being exclusively used in
The frequency-selecting access of section is filtered original radio frequency signal, avoids and is gating different frequency range radio frequency letter by single filtering access
Number when occur gating frequency range drift, to improve gating frequency range stability and accuracy.
The electronic device that the embodiment of the present disclosure provides can be a terminal device as shown in figure 17, and Figure 17 is according to one
A kind of block diagram of terminal device shown in exemplary embodiment, the terminal device 170 can be smart mobile phone, tablet computer etc.,
The terminal device 170 is used to execute the signal processing method described in the corresponding embodiments of above-mentioned Fig. 1-Fig. 9.
Terminal device 170 may include following one or more components：Processing component 1701, memory 1702, power supply group
Part 1703, multimedia component 1704, audio component 1705, the interface 1706 of input/output (I/O), sensor module 1707, with
And communication component 1708.
The integrated operation of 1701 usual control terminal equipment 170 of processing component, such as with display, call, data are logical
Letter, camera operation and record operate associated operation.Processing component 1701 may include one or more processors 17011
It executes instruction, to perform all or part of the steps of the methods described above.In addition, processing component 1701 may include one or more
Module, convenient for the interaction between processing component 1701 and other assemblies.For example, processing component 1701 may include multimedia mould
Block, to facilitate the interaction between multimedia component 1704 and processing component 1701.
Memory 1702 is configured as storing various types of data to support the operation in terminal device 170.These numbers
According to example include instruction for any application program or method that are operated on terminal device 170, contact data, phone
Book data, message, picture, video etc..Memory 1702 can by any kind of volatibility or non-volatile memory device or
Person's combination thereof is realized, such as static RAM (full name in English：Static Random Access Memory, English
Literary abbreviation：SRAM), electrically erasable programmable read-only memory (full name in English：Electrically Erasable
Programmable Read Only Memory, English abbreviation：EEPROM), (English is complete for Erasable Programmable Read Only Memory EPROM
Claim：Erasable Programmable Read Only Memory, English abbreviation：EPROM), programmable read only memory (English
Literary full name：Programmable Read Only Memory, English abbreviation：PROM), read-only memory (full name in English：Read
Only Memory, English abbreviation：ROM), magnetic memory, flash memory, disk or CD.
Power supply module 1703 provides electric power for the various assemblies of terminal device 170.Power supply module 1703 may include power supply
Management system, one or more power supplys and other generated with for terminal device 170, management and the associated component of distribution electric power.
Multimedia component 1704 is included in the screen of one output interface of offer between terminal device 170 and user.?
In some embodiments, screen may include liquid crystal display (full name in English：Liquid Crystal Display, English abbreviation：
) and touch panel (full name in English LCD：Touch Panel, English abbreviation：TP).If screen includes touch panel, screen can
To be implemented as touch screen, to receive input signal from the user.Touch panel include one or more touch sensors with
Sense the gesture on touch, slide, and touch panel.Touch sensor can not only sense the boundary of a touch or slide action, and
And also detection and touch or the relevant duration and pressure of slide.In some embodiments, multimedia component 1704 wraps
Include a front camera and/or rear camera.When terminal device 170 is in operation mode, such as screening-mode or video screen module
When formula, front camera and/or rear camera can receive external multi-medium data.Each front camera and postposition are taken the photograph
As head can be a fixed optical lens system or have focusing and optical zoom capabilities.
Audio component 1705 is configured as output and/or input audio signal.For example, audio component 1705 includes a wheat
Gram wind (full name in English：Microphone, English abbreviation：MIC), when terminal device 170 is in operation mode, as call model,
When logging mode and speech recognition mode, microphone is configured as receiving external audio signal.The received audio signal can be with
It is further stored in memory 1702 or is sent via communication component 1708.In some embodiments, audio component 1705 is gone back
Including a loud speaker, it to be used for exports audio signal.
I/O interfaces 1706 provide interface, above-mentioned peripheral interface module between processing component 1701 and peripheral interface module
Can be keyboard, click wheel, button etc..These buttons may include but be not limited to：Home button, volume button, start button and
Locking press button.
Sensor module 1707 includes one or more sensors, the shape for providing various aspects for terminal device 170
State is assessed.For example, sensor module 1707 can detect the state that opens/closes of terminal device 170, component it is relatively fixed
Position, such as component are the display and keypad of terminal device 170, and sensor module 1707 can be with detection terminal equipment 170
Or the position change of 170 1 components of terminal device, the existence or non-existence that user contacts with terminal device 170, terminal device
The temperature change of 170 orientation or acceleration/deceleration and terminal device 170.Sensor module 1707 may include proximity sensor, quilt
It is configured to detect the presence of nearby objects without any physical contact.Sensor module 1707 can also include that light passes
Sensor, such as complementary metal oxide semiconductor (full name in English：Complementary Metal Oxide Semiconductor,
English abbreviation：) or charge coupled cell (full name in English CMOS：Charge Coupled Device, English abbreviation：CCD) image
Sensor, for being used in imaging applications.In some embodiments, which can also include that acceleration passes
Sensor, gyro sensor, Magnetic Sensor, pressure sensor or temperature sensor.
Communication component 1708 is configured to facilitate the logical of wired or wireless way between terminal device 170 and other equipment
Letter.Terminal device 170 can access the wireless network based on communication standard, such as Wireless Fidelity (full name in English：Wireless-
Fidelity, English abbreviation：WiFi), 2G or 3G or combination thereof.In one exemplary embodiment, communication component 1708
Broadcast singal or broadcast related information from external broadcasting management system are received via broadcast channel.In an exemplary implementation
In example, communication component 1708 further includes near-field communication (full name in English：Near Field Communication, English abbreviation：
NFC) module, to promote short range communication.For example, the NFC module can be based on radio frequency identification (full name in English：Radio Frequency
Identification, English abbreviation：RFID) technology, Infrared Data Association's (full name in English：Infrared Data
Association, English abbreviation：IrDA) technology, ultra wide band (full name in English：Ultra Wideband, English abbreviation：UWB) skill
Art, bluetooth (full name in English：Bluetooth, English abbreviation：BT) technology and other technologies are realized.
In the exemplary embodiment, terminal device 170 can (English be complete by one or more application application-specific integrated circuit
Claim：Application Specific Integrated Circuit, English abbreviation：ASIC), digital signal processor (English
Full name：Digital Signal Processing, English abbreviation：DSP), digital signal processing device (full name in English：
Digital Signal Processing Device, English abbreviation：DSPD), programmable logic device (full name in English：
Programmable Logic Device, English abbreviation：PLD), field programmable gate array (full name in English：Field
Programmable Gate Array, English abbreviation：FPGA), controller, microcontroller, microprocessor or other electronic components
It realizes, for executing the signal processing method described in the corresponding embodiments of above-mentioned Fig. 1-Fig. 9.
In the exemplary embodiment, it includes the non-transitorycomputer readable storage medium instructed, example to additionally provide a kind of
Such as include the memory 1702 of instruction, above-metioned instruction can be executed by the processing component 1701 of terminal device 170 to complete above-mentioned side
Method.For example, non-transitorycomputer readable storage medium can be ROM, random access memory (full name in English：Random
Access Memory, English abbreviation：RAM), CD-ROM, tape, floppy disk and optical data storage devices etc..When in storage medium
When instruction is executed by the processing component 1701 of terminal device 170 so that terminal device 170 is able to carry out above-mentioned Fig. 1-Fig. 9 and corresponds to
Embodiment described in signal processing method, this method includes：
Obtain original radio frequency signal.
Original radio frequency signal is filtered by target frequency-selecting access to obtain the radiofrequency signal of target frequency bands, target frequency-selecting
Access is one of K frequency-selecting access, the radio frequency for being used to gate corresponding frequency band per frequency-selecting access all the way in K frequency-selecting access
Signal, K >=2.
Predetermined registration operation is executed to the radiofrequency signal of target frequency bands.
In one embodiment, this method includes：
Original radio frequency signal is received by antenna.
The radiofrequency signal of demodulation target frequency bands obtains baseband signal.
In one embodiment, this method includes：
Modulating baseband signal obtains original radio frequency signal.
The radiofrequency signal of target frequency bands is sent by antenna.
In one embodiment, this method includes：
The impedance of K frequency-selecting access is set so that impedance of the target frequency-selecting access for the radiofrequency signal of target frequency bands,
It is minimum in K frequency-selecting access.
In one embodiment, this method includes：
Determine target frequency bands.
According to target frequency bands from K frequency-selecting access selected target frequency-selecting access.
Original radio frequency signal and target frequency-selecting access are connected.
In one embodiment, this method includes：
Original radio frequency signal and mismatch frequency-selecting access are disconnected.
Wherein, mismatch frequency-selecting access is (K-1) a frequency-selecting access in addition to target frequency-selecting access in K frequency-selecting access.
The terminal device and storage medium that the embodiment of the present disclosure provides provide K frequency-selecting access, often for K frequency range
A frequency-selecting access is exclusively used in gating the radiofrequency signal of some frequency range.For the frequency range that needs gate, i.e. target frequency bands, by special
Frequency-selecting access for gating the frequency range is filtered original radio frequency signal, avoids and is gated not by single filtering access
With the gating frequency range drift occurred when frequency range radiofrequency signal, to improve the stability and accuracy of gating frequency range.
Those skilled in the art will readily occur to its of the disclosure after considering specification and putting into practice disclosure disclosed herein
Its embodiment.This application is intended to cover any variations, uses, or adaptations of the disclosure, these modifications, purposes or
Person's adaptive change follows the general principles of this disclosure and includes the undocumented common knowledge in the art of the disclosure
Or conventional techniques.The description and examples are only to be considered as illustrative, and the true scope and spirit of the disclosure are by following
Claim is pointed out.
It should be understood that the present disclosure is not limited to the precise structures that have been described above and shown in the drawings, and
And various modifications and changes may be made without departing from the scope thereof.The scope of the present disclosure is only limited by the accompanying claims.
Claims (10)
1. a kind of signal processing method, which is characterized in that including：
Obtain original radio frequency signal；
The original radio frequency signal is filtered by target frequency-selecting access to obtain the radiofrequency signal of target frequency bands, the target
Frequency-selecting access is one of K frequency-selecting access, and frequency is corresponded to for gating per frequency-selecting access all the way in the K frequency-selecting access
The radiofrequency signal of section, K >=2；
Predetermined registration operation is executed to the radiofrequency signal of the target frequency bands.
2. signal processing method according to claim 1, which is characterized in that
The acquisition original radio frequency signal, including：The original radio frequency signal is received by antenna；
The radiofrequency signal to the target frequency bands executes predetermined registration operation, including：Demodulate the radiofrequency signal of the target frequency bands
Obtain baseband signal.
3. signal processing method according to claim 2, which is characterized in that the radio frequency letter of the demodulation target frequency bands
Before number obtaining baseband signal, further include：
Intermediate frequency filtering processing is done to the radiofrequency signal of the target frequency bands.
4. signal processing method according to claim 1, which is characterized in that
The acquisition original radio frequency signal, including：Modulating baseband signal obtains the original radio frequency signal；
The radiofrequency signal to the target frequency bands executes predetermined registration operation, including：The target frequency bands are sent by antenna
Radiofrequency signal.
5. signal processing method according to claim 4, which is characterized in that described to send the target frequency bands by antenna
Radiofrequency signal before, further include：
Amplify the power of the radiofrequency signal of the target frequency bands.
6. signal processing method according to claim 1, which is characterized in that before the acquisition original radio frequency signal, also
Including：
The impedance of the K frequency-selecting access is set so that radiofrequency signal of the target frequency-selecting access for the target frequency bands
Impedance, it is minimum in the K frequency-selecting access.
7. signal processing method according to claim 1, which is characterized in that it is described by target frequency-selecting access to the original
Beginning radiofrequency signal is filtered to obtain the radiofrequency signal of target frequency bands, including：
Determine the target frequency bands；
The target frequency-selecting access is selected from the K frequency-selecting access according to the target frequency bands；
The original radio frequency signal and the target frequency-selecting access are connected.
8. signal processing method according to claim 7, which is characterized in that further include：
The original radio frequency signal and mismatch frequency-selecting access are disconnected；
Wherein, the mismatch frequency-selecting access is (K-1) a choosing in addition to the target frequency-selecting access in the K frequency-selecting access
Frequency access.
9. a kind of signal processing apparatus, which is characterized in that the signal processing apparatus includes：It memory, processor and is stored in
On the memory and the computer program that can run on the processor, the computer program are executed by the processor
The step of any one of Shi Shixian claims 1-8 signal processing methods.
10. a kind of computer readable storage medium, is stored thereon with computer instruction, which is characterized in that the instruction is by processor
The step of any one of the claim 1-8 signal processing methods are realized when execution.
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