CN107579939B - Signal processing method, device, storage medium and electronic equipment - Google Patents
Signal processing method, device, storage medium and electronic equipment Download PDFInfo
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- CN107579939B CN107579939B CN201710782595.4A CN201710782595A CN107579939B CN 107579939 B CN107579939 B CN 107579939B CN 201710782595 A CN201710782595 A CN 201710782595A CN 107579939 B CN107579939 B CN 107579939B
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Abstract
This application discloses a kind of signal processing method, device, storage medium and electronic equipments.The signal processing method includes: when wireless fidelity module transmits wireless signal, obtain the original frequency band margin signal of present channel, and obtain the peak-peak signal in the original frequency band margin signal, when the peak value of the peak-peak signal in the original frequency band margin signal reaches the first pre-set peak value, the original frequency band margin signal is stored in register, adjust the configuration parameter of the register, obtain the output signal of the register, wherein the output signal is the signal that phase shift is generated after the original frequency band margin signal is exported by the register, the output signal and the original frequency band margin signal are combined processing, to obtain the first processing signal.The application optimizes band edge signal by modification register, can reduce the peak-to-average force ratio of wireless communication module, and the sideband for increasing the band edge signal of wireless communication module inhibits.
Description
Technical field
This application involves mobile communication technology field more particularly to mobile device technologys, and in particular to a kind of signal
Processing method, device, storage medium and electronic equipment.
Background technique
Currently, Wireless Fidelity (Wireless Fidelity, WiFi) technology has become with the development of mobile communication technology
For the standard configuration function of most of communication electronic equipments.
In order to bring better experience to user, signal quality is improved, increases electronic equipment transmission power and receives spirit
Sensitivity has become the trend of most of mainstream device manufacturers.But it is influenced by device linearity itself, excessive raising function
Rate also will affect the linearity of power amplifier, be easy to produce clutter.Therefore it needs to be further improved.
Summary of the invention
The embodiment of the present application provides a kind of signal processing method, device, storage medium and electronic equipment, can reduce wireless
The peak-to-average force ratio of communication module, the sideband for increasing the band edge signal of wireless communication module inhibit.
The embodiment of the present application provides a kind of signal processing method, is applied in electronic equipment, which comprises
When wireless fidelity module transmits wireless signal, the original frequency band margin signal of present channel is obtained, wherein described
Present channel is used for transmission the wireless signal；
Obtain the peak-peak signal in the original frequency band margin signal；
It, will be described when the peak value of the peak-peak signal in the original frequency band margin signal reaches the first pre-set peak value
Original frequency band margin signal is stored in register；
Adjust the configuration parameter of the register；
The output signal of the register is obtained, wherein the output signal passes through institute for the original frequency band margin signal
State the signal that phase shift is generated after register exports；
The output signal and the original frequency band margin signal are combined processing, to obtain the first processing signal.
The embodiment of the present application also provides a kind of signal processing apparatus, and described device includes:
First obtains module, for obtaining the original frequency band of present channel when wireless fidelity module transmits wireless signal
Margin signal, wherein the present channel is used for transmission the wireless signal；
Second obtains module, for obtaining the peak-peak signal in the original frequency band margin signal；
Memory module, for being preset when the peak value of the peak-peak signal in the original frequency band margin signal reaches first
When peak value, the original frequency band margin signal is stored in register；
Module is adjusted, for adjusting the configuration parameter of the register；
Third obtains module, for obtaining the output signal of the register, wherein the output signal is described original
Band edge signal generates the signal of phase shift after exporting by the register；
First processing module, for the output signal and the original frequency band margin signal to be combined at processing
Reason, to obtain the first processing signal.
The embodiment of the present application also provides a kind of storage medium, is stored thereon with computer program, when the computer program
When running on computers, so that the computer executes signal processing method as described above.
The embodiment of the present application also provides a kind of electronic equipment, including memory and processor, which is characterized in that the processing
Device is by calling the computer program stored in the memory, for executing signal processing method as described above.
The embodiment of the present application is by obtaining the original frequency band side of present channel when wireless fidelity module transmits wireless signal
Edge signal obtains the maximum in the original frequency band margin signal wherein the present channel is used for transmission the wireless signal
Peak signal, when the peak value of the peak-peak signal in the original frequency band margin signal reaches the first pre-set peak value, by institute
Original frequency band margin signal deposit register is stated, the configuration parameter of the register is adjusted, obtains the output letter of the register
Number, wherein the output signal is the letter for generating phase shift after the original frequency band margin signal is exported by the register
Number, the output signal and the original frequency band margin signal are combined processing, to obtain the first processing signal.The application
Optimize band edge signal by modification register, the peak-to-average force ratio of wireless communication module can be reduced, increases radio communication mold
The sideband of the band edge signal of block inhibits.
Detailed description of the invention
With reference to the accompanying drawing, it is described in detail by the specific embodiment to the application, the technical solution of the application will be made
And other beneficial effects are apparent.
Fig. 1 is the structural schematic diagram of a kind of electronic equipment provided by the embodiments of the present application.
Fig. 2 is a kind of flow diagram of signal processing method provided by the embodiments of the present application.
Fig. 3 is signal waveform schematic diagram provided by the embodiments of the present application.
Fig. 4 is another signal waveform schematic diagram provided by the embodiments of the present application.
Fig. 5 is a kind of another flow diagram of signal processing method provided by the embodiments of the present application.
Fig. 6 is another signal waveform schematic diagram provided by the embodiments of the present application.
Fig. 7 is a kind of another flow diagram of signal processing method provided by the embodiments of the present application.
Fig. 8 is another signal waveform schematic diagram provided by the embodiments of the present application.
Fig. 9 is a kind of structural schematic diagram of signal processing apparatus provided by the embodiments of the present application.
Figure 10 is a kind of another structural schematic diagram of signal processing apparatus provided by the embodiments of the present application.
Figure 11 is a kind of another structural schematic diagram of signal processing apparatus provided by the embodiments of the present application.
Figure 12 is another structural schematic diagram of a kind of electronic equipment provided by the embodiments of the present application.
Figure 13 is the another structural schematic diagram of a kind of electronic equipment provided by the embodiments of the present application.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present application, technical solutions in the embodiments of the present application carries out clear, complete
Site preparation description.It is understood that specific embodiment described herein is only used for explaining the application, rather than to the limit of the application
It is fixed.It also should be noted that illustrating only part relevant to the application for ease of description, in attached drawing and not all knot
Structure.Based on the embodiment in the application, obtained by those of ordinary skill in the art without making creative efforts
Every other embodiment, shall fall in the protection scope of this application.
Term " first " and " second " in the application etc. be for distinguishing different objects, rather than it is specific suitable for describing
Sequence.In addition, term " includes " and " having " and their any deformations, it is intended that cover and non-exclusive include.Such as comprising
The process, method, system, product or equipment of series of steps or module are not limited to listed step or module, and
It is optionally further comprising the step of not listing or module, or optionally further comprising for these process, methods, product or equipment
Intrinsic other steps or module.
Referenced herein " embodiment " is it is meant that a particular feature, structure, or characteristic described can wrap in conjunction with the embodiments
It is contained at least one embodiment of the application.Each position in the description occur the phrase might not each mean it is identical
Embodiment, nor the independent or alternative embodiment with other embodiments mutual exclusion.Those skilled in the art explicitly and
Implicitly understand, embodiment described herein can be combined with other embodiments.
A kind of executing subject of signal processing method provided by the embodiments of the present application can be provided by the embodiments of the present application
A kind of signal processing apparatus, or be integrated with the signal processing apparatus electronic equipment (for example palm PC, tablet computer,
Smart phone etc.), the signal processing apparatus can be realized by the way of hardware or software.
The embodiment of the present application provides a kind of electronic equipment, as shown in Figure 1, electronic equipment 100 includes WIFI module 105, function
Rate amplifier 108, register 109, filter 110, adder 111, RF switch 112, control circuit 113 and antenna 114.
Wherein, WIFI module 105, power amplifier 108, register 109, filter 110, RF switch 112 and antenna 114 are successively
Connection；Adder 111 is connected between register 109 and filter 110；Control circuit 113 is connected to RF switch 112.
Wherein, WIFI module 105 has emission port TX and receiving port RX.Emission port TX is for emitting wireless signal
(uplink signal), receiving port RX is for receiving wireless signal (downlink signal).
Power amplifier 109 sends filter for amplified uplink signal for amplifying to uplink signal
110。
Filter 110 sends antenna 114 for filtered uplink signal for being filtered to uplink signal.Filter
Wave device 110 is also used to be filtered the received downlink signal of antenna 114, and sends WIFI mould for filtered downlink signal
Block 105.
Adder 111 is used to carry out addition process to signal.
RF switch 112 is used for the communications band being selectively turned between WIFI module 105 and antenna 114.Such as it can be with
Switch the working frequency range of WIFI module 105 between 2.4G frequency range and 5G frequency range.
Control circuit 113 can be connect with the processor in electronic equipment 100, to control radio frequency according to the instruction of processor
The state of switch 112.
Antenna 114 is used to for the uplink signal that WIFI module 105 is sent being emitted to the external world, or receives wireless communication from the external world
Number, and WIFI module 105 is sent by the downlink signal received.
In some embodiments, when WiFi module 105 transmits wireless signal by antenna 114, control circuit 113 is obtained
The original frequency band margin signal of present channel wherein the present channel is used for transmission the wireless signal, and obtains the original
Peak-peak signal in beginning band edge signal；When the peak value of the peak-peak signal in the original frequency band margin signal reaches
When to the first pre-set peak value, the original frequency band margin signal is stored in register 109 by control circuit 113；Register 109 adjusts
Configuration parameter, control circuit 113 obtain the output signal of the register 109, wherein the output signal is the original frequency
Belt edge signal generates the signal of phase shift after exporting by the register；Control circuit 113 controls adder 110 for institute
It states output signal and the original frequency band margin signal is combined processing, to obtain the first processing signal, to reduce the original
The peak value of peak-peak signal in beginning band edge signal, and then reduce the peak-to-average force ratio of WiFi module 105.
In some embodiments, when WiFi module 105 transmits wireless signal by antenna 114, control circuit 113 is obtained
The original frequency band margin signal of present channel wherein the present channel is used for transmission the wireless signal, and obtains the original
Peak-peak signal in beginning band edge signal；When the peak value of the peak-peak signal in the original frequency band margin signal reaches
When to the first pre-set peak value, the original frequency band margin signal is stored in register 109 by control circuit 113；Register 109 adjusts
Configuration parameter, control circuit 113 obtain the output signal of the register 109, wherein the output signal is the original frequency
Belt edge signal generates the signal of phase shift after exporting by the register；Control circuit 113 controls adder 110 for institute
It states output signal and the original frequency band margin signal is combined processing, to obtain the first processing signal, to obtain at first
Signal is managed, to reduce the peak value of the peak-peak signal in the original frequency band margin signal, in order to further reduce WiFi
The first processing signal input filter 110 is filtered by the peak-to-average force ratio of module 105, to obtain second processing letter
Number, to obtain the band edge signal after peak clipping, the sideband for increasing the band edge signal of WiFi module 105 inhibits.
In some embodiments, when WiFi module 105 transmits wireless signal by antenna 114, control circuit 113 is obtained
The original frequency band margin signal of present channel wherein the present channel is used for transmission the wireless signal, and obtains the original
Peak-peak signal in beginning band edge signal；When the peak value of the peak-peak signal in the original frequency band margin signal reaches
When to the first pre-set peak value, the original frequency band margin signal is stored in register 109 by control circuit 113；Register 109 adjusts
Configuration parameter, control circuit 113 obtain the output signal of the register 109, wherein the output signal is the original frequency
Belt edge signal generates the signal of phase shift after exporting by the register；Control circuit 113 controls adder 110 for institute
It states output signal and the original frequency band margin signal is combined processing, to obtain the first processing signal, to obtain at first
Signal is managed, to reduce the peak value of the peak-peak signal in the original frequency band margin signal, in order to further reduce WiFi
The peak-to-average force ratio of module 105, control circuit 113 obtains the peak-peak signal in the first processing signal, at described first
When managing the peak value of the peak-peak signal in signal higher than the second pre-set peak value, generate and the maximum in the first processing signal
The corresponding rp pulse signal of peak signal, wherein second pre-set peak value is less than first pre-set peak value, and will be described
Rp pulse signal and the first processing signal carry out addition process in adder 111, to obtain at the third after peak clipping
It manages signal (the band edge signal after peak clipping), the sideband for increasing the band edge signal of WiFi module 105 inhibits.
Wherein, peak-to-average force ratio is the measurement parameter of a kind of pair of signal waveform, equal to signal waveform amplitude divided by virtual value institute
An obtained ratio.
Referring to Fig. 2, Fig. 2 is a kind of flow diagram of signal processing method provided by the embodiments of the present application.The side
Method is applied in electronic equipment, which comprises
Step S101 obtains the original frequency band margin signal of present channel when wireless fidelity module transmits wireless signal,
Wherein the present channel is used for transmission the wireless signal.
Wherein, the band edge (band edge) of wireless communications products typically refers to: entire frequency range edge or so 1MHz's
Noise signal.Wherein, the energy in frequency band is unfixed, with the difference of product bandwidth, band edge clutter also each not phase
Together, different regions band edge has certain limit value.For example, with global system for mobile communications (Global System for
Mobile Communication, GSM) for frequency range, according to US Federal Communication Committee (Federal Communications
Commission, FCC) part22&24 and IC (RSS-132/133) requirement, GSM128 channel (frequency 824.2MHz) 1MHz
No more than -13dBm, GSM251 channel (frequency 848.8MHz) 1MHz noise signal of turning right cannot equally surpass noise signal of turning left
- 13dBm is crossed, prevents edge clutter signal excessive with this, interferes the normal use of other communication equipments.
Wherein, it as shown in figure 3, when wireless fidelity module transmits wireless signal, is transmitted in acquisition present channel first
Wireless signal in entire frequency range, then identify that the noise signal of entire frequency range edge or so 1MHz is made from the wireless signal
For original frequency band margin signal.
Step S102 obtains the peak-peak signal in the original frequency band margin signal.
As shown in figure 3, peak value in the original frequency band margin signal is averaged much larger than the original frequency band margin signal
The signal of peak value is determined as the peak-peak signal in the original frequency band margin signal, and carries out the acquisition of signal.
Step S103, when the peak value of the peak-peak signal in the original frequency band margin signal reaches the first pre-set peak value
When, the original frequency band margin signal is stored in register.
For example, the requirement that first pre-set peak value can be authenticated according to FCC carries out reasonable set.When the original frequency band
When the peak value of peak-peak signal in margin signal reaches the first pre-set peak value, illustrate currently detected original frequency band edge
Noise signal in signal is excessive, decresting need to be carried out to the original frequency band margin signal or peak clipping is handled, then by the original
Beginning band edge signal is stored in register.
Step S104 adjusts the configuration parameter of the register.
For example, the register can be shift register, shift register can not only registered data, and can be in clock
Data therein are made successively to move to left or move to right under the action of signal.
For example, the register can correspond to 16 system parameters.
In some embodiments, the configuration parameter of the adjustment register, comprising:
The timing of the register is adjusted according to the peak-peak signal.
Step S105 obtains the output signal of the register, wherein the output signal is the original frequency band edge
Signal generates the signal of phase shift after exporting by the register.
In some embodiments, the output signal for obtaining the register, comprising:
According to the timing of the register, there are the output signals of phase difference with the original frequency band margin signal for acquisition.
For example, after the original band edge signal is input to register, since the register has modified inside
The timing of clock, but so that the register output end output signal occur phase shift, with get with it is described original
There are the output signals of phase difference for band edge signal.
The output signal and the original frequency band margin signal are combined processing, to obtain first by step S106
Handle signal.
Wherein, there are the output signals of phase difference and the original frequency band side with the original frequency band margin signal by described
Edge signal can be substantially reduced the peak-peak of original band edge signal after being combined processing, to obtain the first processing letter
Number, the first processing signal is as shown in figure 4, there are the peak value of the phase point of peak-peak signal is bright in original edge signal
Aobvious decline.
In some embodiments, the method also includes:
The first processing signal input filter is filtered, to obtain second processing signal.
In some embodiments, described to be filtered the first processing signal input filter, to obtain the
Two processing signals, comprising:
The first processing signal input low-pass filter is filtered, to obtain second processing signal.
In some embodiments, the method also includes:
Obtain the peak-peak signal in the first processing signal；
When it is described first processing signal in peak-peak signal peak value be higher than the second pre-set peak value when, generate with it is described
The corresponding rp pulse signal of peak-peak signal in first processing signal, wherein second pre-set peak value is less than described the
One pre-set peak value；
The rp pulse signal and the first processing signal are subjected to addition process, to obtain at the third after peak clipping
Manage signal.
All the above alternatives can form alternative embodiment of the invention using any combination, herein no longer
It repeats one by one.
Referring to Fig. 5, Fig. 5 is a kind of another flow diagram of signal processing method provided by the embodiments of the present application.Institute
The method of stating includes:
Step S201 obtains the original frequency band margin signal of present channel when wireless fidelity module transmits wireless signal,
Wherein the present channel is used for transmission the wireless signal.Wherein, step S201 please refers to step S101, no longer superfluous herein
It states.
Step S202 obtains the peak-peak signal in the original frequency band margin signal.Wherein, step S202 is please referred to
Step S102, details are not described herein.
Step S203, when the peak value of the peak-peak signal in the original frequency band margin signal reaches the first pre-set peak value
When, the original frequency band margin signal is stored in register.Wherein, step S203 please refers to step S103, and details are not described herein.
Step S204 adjusts the configuration parameter of the register.Wherein, step S204 please refers to step S104, herein not
It repeats again.
Step S205 obtains the output signal of the register, wherein the output signal is the original frequency band edge
Signal generates the signal of phase shift after exporting by the register.Wherein, step S205 please refers to step S105, herein not
It repeats again.
The output signal and the original frequency band margin signal are combined processing, to obtain first by step S206
Handle signal.Wherein, step S206 please refers to step S106, and details are not described herein.
The first processing signal input filter is filtered, to obtain second processing signal by step S207.
Wherein, when obtain relative to original frequency band margin signal peak-peak signal decreased peak value first processing
After signal (as shown in Figure 4), in order to further reduce the peak-to-average force ratio of WiFi module, by the first processing signal input filter
Device is filtered, and to obtain second processing signal (as shown in Figure 6), to obtain the band edge signal after peak clipping, is increased
The sideband of the band edge signal of WiFi module inhibits.
In some embodiments, the filter can be low-pass filter, can be by the first processing signal input
Low-pass filter is filtered, to filter out the biggish noise signal of peak value, to obtain second processing signal.
In some embodiments, the filter can be bandpass filter, and needing at this time will be wireless in entire frequency range
Signal is input in bandpass filter and is filtered, to filter out the biggish noise signal of peak value, to obtain ideal nothing
Line signal.
Referring to Fig. 7, Fig. 7 is a kind of another flow diagram of signal processing method provided by the embodiments of the present application.Institute
The method of stating includes:
Step S301 obtains the original frequency band margin signal of present channel when wireless fidelity module transmits wireless signal,
Wherein the present channel is used for transmission the wireless signal.Wherein, step S301 please refers to step S101, no longer superfluous herein
It states.
Step S302 obtains the peak-peak signal in the original frequency band margin signal.Wherein, step S302 is please referred to
Step S102, details are not described herein.
Step S303, when the peak value of the peak-peak signal in the original frequency band margin signal reaches the first pre-set peak value
When, the original frequency band margin signal is stored in register.Wherein, step S303 please refers to step S103, and details are not described herein.
Step S304 adjusts the configuration parameter of the register.Wherein, step S304 please refers to step S104, herein not
It repeats again.
Step S305 obtains the output signal of the register, wherein the output signal is the original frequency band edge
Signal generates the signal of phase shift after exporting by the register.Wherein, step S305 please refers to step S105, herein not
It repeats again.
The output signal and the original frequency band margin signal are combined processing, to obtain first by step S306
Handle signal.Wherein, step S306 please refers to step S106, and details are not described herein.
Step S307 obtains the peak-peak signal in the first processing signal.
As shown in figure 4, obtaining the peak-peak signal in the first processing signal.
Step S308, when the peak value of the peak-peak signal in the first processing signal is higher than the second pre-set peak value,
Rp pulse signal corresponding with the peak-peak signal in the first processing signal is generated, wherein second pre-set peak value
Less than first pre-set peak value.
Wherein, when the peak value of the peak-peak signal in the first processing signal is higher than the second pre-set peak value, explanation
Noise signal in the first processing signal is larger, also needs further progress signal processing.Signal generator can then be passed through
Generate rp pulse signal corresponding with the peak-peak signal in the first processing signal.Furthermore it is also possible to from register
In it is pre-stored it is multiple hair phase pulse signals in choose with it is described first processing signal in peak-peak signals it is corresponding instead
Phase pulse signal.
The rp pulse signal and the first processing signal are carried out addition process, to obtain peak clipping by step S309
Third afterwards handles signal.
Wherein, the rp pulse signal and the first processing signal are subjected to addition process, and keep described first
The phase invariant for handling the peak-peak signal in signal, by peak-peak signal in the first processing signal and described anti-
Phase pulse signal is cancelled out each other, to obtain the processing signal of the third after peak clipping, as shown in Figure 8.
In some embodiments, when the peak value of the peak-peak signal in the first processing signal is higher than the second default peak
When value, then peak clipping pulse can be generated with the shock response to the identical filter of peak clipping signal bandwidth by frequency response, then
The first processing signal is subtracted into the peak clipping pulse, and keeps the phase of the peak-peak signal in the first processing signal
Invariant position, to carry out peak clipping processing to the peak-peak signal in the first processing signal.
The embodiment of the present application is by obtaining the original frequency band side of present channel when wireless fidelity module transmits wireless signal
Edge signal obtains the maximum in the original frequency band margin signal wherein the present channel is used for transmission the wireless signal
Peak signal, when the peak value of the peak-peak signal in the original frequency band margin signal reaches the first pre-set peak value, by institute
Original frequency band margin signal deposit register is stated, the configuration parameter of the register is adjusted, obtains the output letter of the register
Number, wherein the output signal is the letter for generating phase shift after the original frequency band margin signal is exported by the register
Number, the output signal and the original frequency band margin signal are combined processing, to obtain the first processing signal.The application
Optimize band edge signal by modification register, the peak-to-average force ratio of wireless communication module can be reduced, increases radio communication mold
The sideband of the band edge signal of block inhibits.
The embodiment of the present application also provides a kind of signal processing apparatus, as shown in figure 9, Fig. 9 is provided by the embodiments of the present application
A kind of structural schematic diagram of signal processing apparatus.The signal processing apparatus 40 includes the first acquisition module 401, and second obtains mould
Block 402, memory module 403 adjust module 404, and third obtains module 405 and first processing module 406.
Wherein, described first module 401 is obtained, for obtaining current letter when wireless fidelity module transmits wireless signal
The original frequency band margin signal in road, wherein the present channel is used for transmission the wireless signal.
Described second obtains module 402, for obtaining the peak-peak signal in the original frequency band margin signal.
The memory module 403, for reaching when the peak value of the peak-peak signal in the original frequency band margin signal
When the first pre-set peak value, the original frequency band margin signal is stored in register.
The adjustment module 404, for adjusting the configuration parameter of the register.
In some embodiments, the adjustment module 404, for adjusting the register according to the peak-peak signal
Timing.
The third obtains module 405, for obtaining the output signal of the register, wherein the output signal is institute
State the signal that phase shift is generated after original frequency band margin signal is exported by the register.
In some embodiments, the third obtains module 405, for the timing according to the register, acquisition and institute
Stating original frequency band margin signal, there are the output signals of phase difference.
The first processing module 406, for the output signal and the original frequency band margin signal to be combined
Processing processing, to obtain the first processing signal.
Referring to Fig. 10, Figure 10 is a kind of another structural schematic diagram of signal processing apparatus provided by the embodiments of the present application.
The signal processing apparatus 40 further includes Second processing module 407.
Wherein, the Second processing module 407, for the first processing signal input filter to be filtered place
Reason, to obtain second processing signal.
In some embodiments, the Second processing module 407, for the first processing signal to be inputted low-pass filtering
Device is filtered, to obtain second processing signal.
Figure 11 is please referred to, Figure 11 is a kind of another structural schematic diagram of signal processing apparatus provided by the embodiments of the present application.
The signal processing apparatus 40 further includes the 4th acquisition module 408, generation module 409 and third processing module 410.
Wherein, the described 4th module 408 is obtained, for obtaining the peak-peak signal in the first processing signal.
The generation module 409, for being higher than second when the peak value of the peak-peak signal in the first processing signal
When pre-set peak value, rp pulse signal corresponding with the peak-peak signal in the first processing signal is generated, wherein described
Second pre-set peak value is less than first pre-set peak value.
The third processing module 410, for the rp pulse signal and the first processing signal to be carried out addition
Processing, to obtain the processing signal of the third after peak clipping.
The embodiment of the present application also provides a kind of electronic equipment, including memory, and processor and storage are on a memory and can
The computer program run on a processor, the processor call the computer program stored in the memory, hold
Signal processing method described in row the application any embodiment.
The electronic equipment can be the equipment such as smart phone, tablet computer, palm PC.As shown in figure 12, electronic equipment
100 include one or more than one the processor 101 of processing core, have one or more computer-readable storage mediums
The memory 102 of matter and storage are on a memory and the computer program that can run on a processor.Wherein, processor 101 with
Memory 102 is electrically connected.It will be understood by those skilled in the art that the not structure paired electrons of electronic devices structure shown in figure
The restriction of equipment may include perhaps combining certain components or different component cloth than illustrating more or fewer components
It sets.
Processor 101 is the control centre of electronic equipment 100, utilizes various interfaces and the entire electronic equipment of connection
Various pieces by the application program of operation or load store in memory 102, and are called and are stored in memory 102
Data, execute electronic equipment various functions and processing data, thus to electronic equipment carry out integral monitoring.
In the embodiment of the present application, the processor 101 in electronic equipment 100 can be according to following step, by one or one
The corresponding instruction of the process of a above application program is loaded into memory 102, and is run and be stored in by processor 101
Application program in reservoir 102, to realize various functions:
When wireless fidelity module transmits wireless signal, the original frequency band margin signal of present channel is obtained, wherein described
Present channel is used for transmission the wireless signal；
Obtain the peak-peak signal in the original frequency band margin signal；
It, will be described when the peak value of the peak-peak signal in the original frequency band margin signal reaches the first pre-set peak value
Original frequency band margin signal is stored in register；
Adjust the configuration parameter of the register；
The output signal of the register is obtained, wherein the output signal passes through institute for the original frequency band margin signal
State the signal that phase shift is generated after register exports；
The output signal and the original frequency band margin signal are combined processing, to obtain the first processing signal.
In some embodiments, configuration parameter of the processor 101 for the adjustment register, comprising:
The timing of the register is adjusted according to the peak-peak signal；
The output signal for obtaining the register, comprising: according to the timing of the register, obtain with it is described original
There are the output signals of phase difference for band edge signal.
In some embodiments, processor 101 is also used to:
The first processing signal input filter is filtered, to obtain second processing signal.
In some embodiments, processor 101 is also used to:
Obtain the peak-peak signal in the first processing signal；
When it is described first processing signal in peak-peak signal peak value be higher than the second pre-set peak value when, generate with it is described
The corresponding rp pulse signal of peak-peak signal in first processing signal, wherein second pre-set peak value is less than described the
One pre-set peak value；
The rp pulse signal and the first processing signal are subjected to addition process, to obtain at the third after peak clipping
Manage signal.
In some embodiments, as shown in figure 13, electronic equipment 100 further include: display screen 103, LTE module 104, WiFi
Module 105, input unit 106 and power supply 107.Wherein, processor 101 respectively with display screen 103, LTE module 104, WiFi
Module 105, input unit 106 and power supply 107 are electrically connected.It will be understood by those skilled in the art that electricity shown in Figure 13
Sub- device structure does not constitute the restriction to electronic equipment, may include components more more or fewer than diagram, or combine certain
A little components or different component layouts.
Display screen 103 can be used for showing information input by user or be supplied to user information and electronic equipment it is each
Kind graphical user interface, these graphical user interface can be made of figure, text, icon, video and any combination thereof.It is aobvious
When display screen 103 is touching display screen, a part that can also be used as input unit realizes input function.
LTE module 104 can be used for transmitting/receiving wireless signal, to build by wireless communication with the network equipment or other electronic equipments
Vertical wireless telecommunications, the receiving and transmitting signal between the network equipment or other electronic equipments.
WiFi module 105 can be used for short range wireless transmission, and user can be helped to send and receive e-mail, browse web sites and visit
Ask streaming video etc., it provides wireless broadband internet access for user.
Input unit 106 can be used for receiving number, character information or the user's characteristic information (such as fingerprint) of input, and
Generate keyboard related with user setting and function control, mouse, operating stick, optics or trackball signal input.Wherein,
Input unit 106 may include fingerprint recognition mould group.
All parts of the power supply 107 for electron equipment 100 are powered.
Although being not shown in Figure 13, electronic equipment 100 can also include camera, sensor, voicefrequency circuit, bluetooth module
Deng details are not described herein.
, in the above-described embodiments, all emphasize particularly on different fields to the description of each embodiment, there is no the portion being described in detail in some embodiment
Point, reference can be made to the related descriptions of other embodiments.
In the embodiment of the present application, one of the signal processing apparatus and foregoing embodiments signal processing method belong to together
One design can run either offer method in the signal processing method embodiment on the signal processing apparatus,
Specific implementation process is detailed in the signal processing method embodiment, and details are not described herein again.
It should be noted that this field common test personnel are understood that for herein described signal processing method
The all or part of the process for realizing signal processing method described in the embodiment of the present application, is that can control phase by computer program
The hardware of pass is completed, and the computer program can be stored in a computer readable storage medium, be such as stored in electronic equipment
Memory in, and by the electronic equipment at least one processor execute, in the process of implementation may include such as the signal
The process of the embodiment of processing method.Wherein, the storage medium can be magnetic disk, CD, read-only memory (ROM, Read
Only Memory), random access memory (RAM, Random Access Memory) etc..
For the signal processing apparatus of the embodiment of the present application, each functional module be can integrate in a processing core
In piece, it is also possible to modules and physically exists alone, can also be integrated in two or more modules in a module.On
It states integrated module both and can take the form of hardware realization, can also be realized in the form of software function module.The collection
If at module realized in the form of software function module and when sold or used as an independent product, also can store
In one computer readable storage medium, the storage medium is for example read-only memory, disk or CD etc..
Above to a kind of signal processing method, device, storage medium and electronic equipment provided by the embodiment of the present application into
It has gone and has been discussed in detail, specific examples are used herein to illustrate the principle and implementation manner of the present application, the above implementation
The explanation of example is merely used to help understand the technical solution and its core concept of the application；Those skilled in the art should
Understand: it is still possible to modify the technical solutions described in the foregoing embodiments, or to part of technical characteristic
It is equivalently replaced；And these are modified or replaceed, each embodiment of the application that it does not separate the essence of the corresponding technical solution
The range of technical solution.
Claims (10)
1. a kind of signal processing method is applied in electronic equipment, which is characterized in that the described method includes:
When wireless fidelity module transmits wireless signal, the original frequency band margin signal of present channel is obtained, wherein described current
Channel is used for transmission the wireless signal；
Obtain the peak-peak signal in the original frequency band margin signal；
It, will be described original when the peak value of the peak-peak signal in the original frequency band margin signal reaches the first pre-set peak value
Band edge signal is stored in register；
Adjust the configuration parameter of the register, comprising: the timing of the register is adjusted according to the peak-peak signal；
Obtain the output signal of the register, comprising: according to the timing of the register, obtain and the original frequency band edge
There are the output signals of phase difference for signal；Wherein the output signal is that the original frequency band margin signal passes through the register
The signal of phase shift is generated after output；
The output signal and the original frequency band margin signal are combined processing, to obtain the first processing signal.
2. signal processing method as described in claim 1, which is characterized in that the method also includes:
The first processing signal input filter is filtered, to obtain second processing signal.
3. signal processing method as claimed in claim 2, which is characterized in that described by the first processing signal input filter
Device is filtered, to obtain second processing signal, comprising:
The first processing signal input low-pass filter is filtered, to obtain second processing signal.
4. signal processing method as described in claim 1, which is characterized in that the method also includes:
Obtain the peak-peak signal in the first processing signal；
When the peak value of the peak-peak signal in the first processing signal is higher than the second pre-set peak value, generate and described first
The corresponding rp pulse signal of peak-peak signal in signal is handled, wherein second pre-set peak value is less than described first in advance
If peak value；
The rp pulse signal and the first processing signal are subjected to addition process, to obtain the processing letter of the third after peak clipping
Number.
5. a kind of signal processing apparatus, which is characterized in that described device includes:
First obtains module, for obtaining the original frequency band edge of present channel when wireless fidelity module transmits wireless signal
Signal, wherein the present channel is used for transmission the wireless signal；
Second obtains module, for obtaining the peak-peak signal in the original frequency band margin signal；
Memory module, for reaching the first pre-set peak value when the peak value of the peak-peak signal in the original frequency band margin signal
When, the original frequency band margin signal is stored in register；
Module is adjusted, for adjusting the configuration parameter of the register；Specifically for adjusting institute according to the peak-peak signal
State the timing of register；
Third obtains module and, specifically for the timing according to the register, obtains for obtaining the output signal of the register
Take that there are the output signals of phase difference with the original frequency band margin signal；Wherein the output signal is the original frequency band side
Edge signal generates the signal of phase shift after exporting by the register；
First processing module, for the output signal and the original frequency band margin signal to be combined processing processing, with
Obtain the first processing signal.
6. signal processing apparatus as claimed in claim 5, which is characterized in that described device further include:
Second processing module, for the first processing signal input filter to be filtered, to obtain second processing
Signal.
7. signal processing apparatus as claimed in claim 6, which is characterized in that the Second processing module, for by described the
One processing signal input low-pass filter is filtered, to obtain second processing signal.
8. signal processing apparatus as claimed in claim 5, which is characterized in that described device further include:
4th obtains module, for obtaining the peak-peak signal in the first processing signal；
Generation module, when the peak value for handling the peak-peak signal in signal when described first is higher than the second pre-set peak value,
Rp pulse signal corresponding with the peak-peak signal in the first processing signal is generated, wherein second pre-set peak value
Less than first pre-set peak value；
Third processing module, for the rp pulse signal and the first processing signal to be carried out addition process, to obtain
Third after peak clipping handles signal.
9. a kind of storage medium, is stored thereon with computer program, which is characterized in that when the computer program on computers
When operation, so that the computer executes signal processing method according to any one of claims 1-4.
10. a kind of electronic equipment, including memory and processor, which is characterized in that the processor is by calling the storage
The computer program stored in device, for executing signal processing method according to any one of claims 1-4.
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| CN101645864A (en) * | 2009-05-14 | 2010-02-10 | 电子科技大学 | LINC transmitter based on self-adapted peak clipping |
| CN102072987A (en) * | 2010-11-13 | 2011-05-25 | 天津大学 | Phase estimation method for short-interval sinusoidal signal and experimental device thereof |
| CN103391171A (en) * | 2013-07-26 | 2013-11-13 | 哈尔滨工程大学 | Improved selective mapping judgment peak-to-average-power-ratio suppression method based on decision feedback |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101645864A (en) * | 2009-05-14 | 2010-02-10 | 电子科技大学 | LINC transmitter based on self-adapted peak clipping |
| CN102072987A (en) * | 2010-11-13 | 2011-05-25 | 天津大学 | Phase estimation method for short-interval sinusoidal signal and experimental device thereof |
| CN103391171A (en) * | 2013-07-26 | 2013-11-13 | 哈尔滨工程大学 | Improved selective mapping judgment peak-to-average-power-ratio suppression method based on decision feedback |
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