CN109873636A - Frequency adjusting method and mobile terminal - Google Patents
Frequency adjusting method and mobile terminal Download PDFInfo
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- CN109873636A CN109873636A CN201910237828.1A CN201910237828A CN109873636A CN 109873636 A CN109873636 A CN 109873636A CN 201910237828 A CN201910237828 A CN 201910237828A CN 109873636 A CN109873636 A CN 109873636A
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Abstract
The present invention provides a kind of frequency adjusting method and mobile terminal, this method comprises: determining the frequency change rate of crystal oscillator；Judge the size relation of the frequency change rate Yu first frequency change rate threshold value；If the frequency change rate is greater than or equal to first frequency change rate threshold value, it is adjusted based on temperature changing speed of the frequency change rate to the target heat source in heat source, so that the frequency change rate is less than first frequency change rate threshold value.The technical solution of the embodiment of the present invention can reduce influence of the temperature change to the frequency of crystal oscillator, so as to reduce satellite capture duration and improve positioning accuracy.
Description
Technical field
The present invention relates to field of terminal more particularly to a kind of frequency adjusting methods and mobile terminal.
Background technique
Currently, all built-in positioning device, positioning device such as GPS in many mobile terminals such as mobile phone, vehicle-mounted computer
The application of (Global Positioning System, global positioning system) is also more and more extensive, needs in positioning device steady
Fixed local clock pulses could be positioned accurately.
In a kind of technical solution, mobile terminal provides local clock pulses using quartz oscillator.However, quartzy
Crystal oscillator has the inherent characteristic of " temperature drift ", i.e. the frequency of crystal oscillator changes with the variation of temperature.Therefore, exist
In this technical solution, since the frequency of crystal oscillator changes with the variation of temperature, the meeting in the case where there is the scene that temperature becomes
Cause the satellite capture time of positioning device elongated or loses star.
Summary of the invention
The purpose of the embodiment of the present invention is that providing a kind of frequency adjusting method and mobile terminal, solve due to crystal oscillator
Frequency the problem of changing with the variation of temperature, cause the satellite capture time of positioning device elongated or lose star.
In order to solve the above technical problems, the embodiments of the present invention are implemented as follows:
In a first aspect, being applied to mobile whole the embodiment of the invention provides a kind of frequency adjusting method of crystal oscillator
End, the mobile terminal include the crystal oscillator and heat source, and the frequency adjusting method comprises determining that the crystal vibration
Swing the frequency change rate of device；Judge the size relation of the frequency change rate Yu first frequency change rate threshold value；If the frequency
Change rate is greater than or equal to the first frequency change rate threshold value, then based on the frequency change rate to the target in the heat source
The temperature changing speed of heat source is adjusted, so that the frequency change rate is less than the first frequency change rate threshold value.
Second aspect, the embodiment of the invention provides a kind of mobile terminal, the mobile terminal include crystal oscillator with
And heat source, the mobile terminal further include: frequency deviation determining module, for determining the frequency change rate of the crystal oscillator；Sentence
Disconnected module, for judging the size relation of the frequency change rate Yu first frequency change rate threshold value；Module is adjusted, if being used for institute
Frequency change rate is stated more than or equal to the first frequency change rate threshold value, then based on the frequency change rate in the heat source
The temperature changing speed of target heat source be adjusted so that the frequency change rate is less than the first frequency change rate threshold
Value.
The third aspect, the embodiment of the invention provides a kind of mobile terminals, comprising: memory, processor and is stored in institute
The computer program that can be run on memory and on the processor is stated, when the computer program is executed by the processor
The step of realizing the frequency adjusting method as described in above-mentioned first aspect.
Fourth aspect, the embodiment of the invention provides a kind of computer readable storage medium, the computer-readable storage
It is stored with computer program on medium, the frequency as described in above-mentioned first aspect is realized when the computer program is executed by processor
The step of rate method of adjustment.
Technical solution according to an embodiment of the present invention, on the one hand, be greater than or equal in the frequency change rate of crystal oscillator
When first frequency change rate threshold value, it is adjusted, can be dropped based on temperature changing speed of the frequency change rate to target heat source
Low temperature changes the influence to the frequency of crystal oscillator, so as to reduce satellite capture duration and improve positioning accuracy；
On the other hand, due to the analog to digital conversion circuit without temperature sensitive crystal and integrated thermistor, so as to reduce cost.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The some embodiments recorded in invention, for those of ordinary skill in the art, in the premise of not making the creative labor property
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 shows the schematic block of the application scenarios of the frequency adjusting method provided according to some embodiments of the present invention
Figure；
Fig. 2 shows the flow diagrams of the frequency adjusting method provided according to some embodiments of the present invention；
Fig. 3 shows the flow diagram for the frequency adjusting method that other embodiments according to the present invention provide；
Fig. 4 shows the flow diagram for the frequency adjusting method that other embodiment according to the present invention provides；
Fig. 5 shows the flow diagram for the frequency adjusting method that still other embodiments according to the present invention provide；
Fig. 6 shows the schematic block diagram of the mobile terminal provided according to some embodiments of the present invention；And
Fig. 7 shows the schematic block diagram of the mobile terminal provided according to some embodiments of the present invention.
Specific embodiment
Technical solution in order to enable those skilled in the art to better understand the present invention, below in conjunction with of the invention real
The attached drawing in example is applied, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described implementation
Example is only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, this field is common
Technical staff's every other embodiment obtained without creative efforts, all should belong to protection of the present invention
Range.
Fig. 1 shows the schematic block of the application scenarios of the frequency adjusting method provided according to some embodiments of the present invention
Figure.Shown in referring to Fig.1, which is applied to mobile terminal 100, which includes crystal oscillator 110
And heat source, heat source include CPU120, power amplifier 130 and charging module 140.Crystal oscillator 110 can generate frequency
Rate signal, for providing local clock pulses, the heat that heat source such as CPU120, power amplifier 130 or charging module 140 generate
Amount can make the temperature of crystal oscillator 110 change, and the frequency for the frequency signal for causing crystal oscillator 110 to generate becomes
Change.
It should be noted that the mobile terminal of Fig. 1 include but is not limited to mobile phone, tablet computer, computer, wearable device,
The intelligent terminals such as car-mounted computer.Below with reference to the application scenarios of Fig. 1, it is described with reference to Figure 2 exemplary reality according to the present invention
Apply the frequency adjusting method of example.It should be noted that above-mentioned application scenarios are merely for convenience of understanding spirit and original of the invention
It manages and shows, the embodiment of the present invention is unrestricted in this regard.On the contrary, the embodiment of the present invention can be applied to be applicable in
Any scene.
Fig. 2 shows the flow diagrams of the frequency adjusting method provided according to some embodiments of the present invention.The frequency
Method of adjustment includes step S210 to step S230, can be applied to the mobile terminal of Fig. 1, which includes crystal oscillation
Device and heat source.The frequency input method in the example embodiment of Fig. 2 is described in detail below.
Referring to shown in Fig. 2, in step S210, the frequency change rate of the crystal oscillator is determined.
In the exemplary embodiment, before being positioned, the frequency change rate Δ f of crystal oscillator, crystal oscillation are detected
The frequency change rate of device indicates unit time frequency variation for example per second, unit ppb/s.
It should be noted that in the exemplary embodiment, crystal oscillator can be ordinary crystal oscillators, voltage type
Crystal oscillator, or other crystal oscillators appropriate such as temp.-compensation type crystal oscillator, digit compensated crystalline substance
Oscillation body device, the present invention is to this without particular determination.
In step S220, the size relation of the frequency change rate Yu first frequency change rate threshold value is judged.
In the exemplary embodiment, after the frequency change rate of crystal oscillator has been determined, judge the frequency of crystal oscillator
Whether rate change rate is greater than or equal to first frequency change rate threshold value Δ f0.The first frequency change rate threshold value is positioning device example
Such as the frequency change rate threshold value that GPS (Global Positioning System, global positioning system) allows, i.e. positioning device
Can work normally permitted frequency change rate, the frequency stability of first frequency change rate threshold value and crystal oscillator and
The positioning accuracy of positioning device is related.
It should be noted that in the exemplary embodiment, the frequency that first frequency change rate threshold value can allow for positioning device
Rate change rate threshold value might be less that the frequency change rate threshold value that positioning device allows, this is equally in protection scope of the present invention
It is interior.
In step S230, if the frequency change rate is greater than or equal to the first frequency change rate threshold value, it is based on
The frequency change rate is adjusted the temperature changing speed of the target heat source in the heat source, so that the frequency change rate
Less than the first frequency change rate threshold value.
In the exemplary embodiment, if the frequency change rate of crystal oscillator is greater than or equal to the first frequency change rate threshold
Value, then be adjusted based on temperature changing speed of the frequency change rate to the target heat source in the heat source of mobile terminal, so that
The frequency change rate of crystal oscillator is less than the first frequency change rate threshold value, so as to fast Acquisition satellite and accurately into
Row positioning.Target heat source in the heat source of mobile terminal may include CPU (Central Processing Unit, central processing
Unit), radio-frequency power amplifier, at least one of charging module, target heat source also may include other heat source examples appropriate
Such as bluetooth module or WiFi (Wireless-Fidelity, Wireless Fidelity) module, this is same within the scope of the present invention.
Specifically, when the frequency change rate of crystal oscillator is greater than or equal to first frequency change rate threshold value, if mesh
Marking heat source includes CPU, then the working frequency of the frequency change rate adjustment CPU based on crystal oscillator；And/or if target heat source
Including radio-frequency power amplifier, then the frequency change rate based on crystal oscillator adjusts the transmitting function of the radio-frequency power amplifier
Rate；And/or if target heat source includes charging module, the frequency change rate based on crystal oscillator adjusts the charging module
Charging current.
The frequency adjusting method in example embodiment according to fig. 2, on the one hand, big in the frequency change rate of crystal oscillator
When first frequency change rate threshold value, adjusted based on temperature changing speed of the frequency change rate to target heat source
It is whole, it can reduce influence of the temperature change to the frequency of crystal oscillator, so as to reduce satellite capture duration and raising
Positioning accuracy；On the other hand, due to the analog to digital conversion circuit without temperature sensitive crystal and integrated thermistor, so as to reduce into
This.
CPU, radio-frequency power amplifier or charging module, which are illustrated, to be included the case where to target heat source separately below.In mesh
In the case that mark heat source includes CPU, in the exemplary embodiment, if the frequency change rate of crystal oscillator is negative value, reducing should
The working frequency of CPU；If or the frequency change rate of crystal oscillator is positive value, increases the working frequency of the CPU.
In the case where target heat source includes radio-frequency power amplifier, in the exemplary embodiment, if the frequency of crystal oscillator
Rate change rate is negative value, then reduces the transmission power of the radio-frequency power amplifier；Or if the frequency change rate of crystal oscillator is
Positive value then increases the transmission power of radio-frequency power amplifier.
Target heat source include charging module please under, in the exemplary embodiment, if the frequency change rate of crystal oscillator
For negative value, then the charging current of the charging module is reduced；If or the frequency change rate of crystal oscillator is positive value, increases this and fills
The charging current of electric module.
In addition, if crystal oscillator frequency change rate when just below first frequency change rate threshold value, just stop
The temperature changing speed of target heat source is adjusted, will lead to and continually target heat source is adjusted, influence mobile terminal
Normal operation.Therefore, in the exemplary embodiment, if the frequency change rate of crystal oscillator is less than first frequency change rate threshold
Value, it is determined that whether the frequency change rate of the crystal oscillator is less than second frequency change rate threshold value；If the crystal oscillator
Frequency change rate is less than the second frequency change rate threshold value, then stops being adjusted the heat source, the second frequency change rate
Threshold value is less than the first frequency change rate threshold value, the frequency stability of the second frequency change rate threshold value and crystal oscillator and
The positioning accuracy of positioning device is related.By the way that second frequency change rate threshold value is arranged, continually adjustment target heat source can be avoided
Temperature changing speed, improve regulated efficiency.
Fig. 3 shows the flow diagram for the frequency adjusting method that other embodiments according to the present invention provide.
Referring to shown in Fig. 3, in step s310, according to layout scenarios of the crystal oscillator in mobile terminal, preset more
The warm variable field scape of kind i.e. heating scene and the scene that cools down, for example, heating scene includes that CPU starts big load operation, radio frequency PA
(Power Amplifier, power amplifier) starts transmitting, charging module at least one of starts to charge scene；Cool down field
Scape includes that CPU stops big load operation, radio frequency PA stops transmitting, charging module stops at least one of charging scene.
In step s 320, first frequency change rate threshold value Δ f is set0, which is positioning dress
The frequency for setting such as GPS permission changes, i.e., positioning device can work normally permitted frequency variation, first frequency change rate
Threshold value is related with the positioning accuracy of the frequency stability of crystal oscillator and positioning device.By adjusting first frequency change rate
The size of threshold value, being capable of the response speed that is adjusted to heat source of dynamic regulation.
In step S330, determine that the frequency change rate Δ f of crystal oscillator, the frequency change rate of crystal oscillator indicate single
Position time frequency variation for example per second.
In step S340, judge whether the frequency change rate Δ f of crystal oscillator is less than first frequency change rate threshold value
Δf0If being less than first frequency change rate threshold value Δ f0, then carry out to step S350；If more than or equal to first frequency change rate
Threshold value Δ f0, then carry out to step S360.
In step S360, judge that the value of the frequency change rate Δ f of crystal oscillator is positive value or negative value, if being negative
Value, then it represents that the frequency change rate of crystal oscillator is the variation of negative sense frequency, and explanation is heating scene, then carries out to step
S370；If positive value, then it represents that the frequency change rate of crystal oscillator be positive frequencies variation, explanation be cooling scene, then into
It goes to step S380.
In step S370, the heating rate of heat source is reduced, for example, the hair for reducing the working frequency of CPU, reducing radio frequency PA
It penetrates power or reduces the charging current of charging module, alleviate the temperature of crystal oscillator by reducing the heating rate of heat source
Variability；
In step S380, the cooling rate of heat source is reduced, for example, the hair for improving the working frequency of CPU, improving radio frequency AP
It penetrates power or increases the charging current etc. of charging module, alleviate crystal oscillator by reducing the cooling rate of heat source
Warm variability.
In step S390, specific time T1 such as 3s is waited to go to step S330, continues to determine crystal oscillator
Frequency change rate Δ f.
In embodiments of the present invention, after waiting the first scheduled duration such as 3S, frequency change rate, judgement are reacquired
The size relation of the frequency change rate and the first frequency change rate threshold value that newly obtain.
Fig. 4 shows the flow diagram for the frequency adjusting method that other embodiment according to the present invention provides.
Referring to shown in Fig. 4, in step S410, second frequency change rate threshold value Δ f is set1, the second frequency change rate
Threshold value is less than above-mentioned first frequency change rate threshold value Δ f0, second frequency change rate threshold value Δ f1Indicate the normal of crystal oscillator
Frequency variation, if the frequency change rate of crystal oscillator is in ± Δ f1In the range of when, do not need to the temperature change of heat source speed
Degree is adjusted.
In step S415, determine that the frequency change rate Δ f of crystal oscillator, the frequency change rate of crystal oscillator are indicated
Unit time frequency variation for example per second.
In the step s 420, judge whether the frequency change rate Δ f of crystal oscillator is less than first frequency change rate threshold value
Δf0If being less than first frequency change rate threshold value Δ f0, then carry out to step S440；If more than or equal to first frequency change rate
Threshold value Δ f0, then carry out to step S425.
In step S425, judge that the value of the frequency change rate Δ f of crystal oscillator is positive value or negative value, if being negative
Value, then it represents that the frequency variation of crystal oscillator is that negative sense frequency changes, and explanation is heating scene, then carries out to step S430；
If positive value, then it represents that the frequency variation of crystal oscillator is that positive frequencies change, and explanation is cooling scene, then carries out to step
S435。
In step S430, the heating rate of heat source is reduced, for example, the hair for reducing the working frequency of CPU, reducing radio frequency PA
It penetrates power or reduces the charging current of charging module, alleviate the temperature of crystal oscillator by reducing the heating rate of heat source
Variability；
In step S435, the cooling rate of heat source is reduced, for example, the hair for improving the working frequency of CPU, improving radio frequency AP
It penetrates power or increases the charging current etc. of charging module, alleviate crystal oscillator by reducing the cooling rate of heat source
Warm variability.
In step S440, positioning device such as GPS carries out tenacious tracking to satellite-signal and captures, based on capture
Satellite-signal positions mobile terminal.
In step S445, the frequency change rate Δ f of crystal oscillator is determined.
In step S450, judge whether the frequency change rate Δ f of crystal oscillator is less than second frequency change rate threshold value
Δf1If being less than second frequency change rate threshold value, carry out to step S455；If being not less than second frequency change rate threshold value,
It carries out to step S460.
In step S455, cancel the heating and cooling measure to heat source, such as stops reducing or increasing the working frequency of CPU.
In step S460, specific time T1 such as 3s is waited to go to step S415, continues to determine crystal oscillator
Frequency change rate Δ f.
Fig. 5 shows the flow diagram for the frequency adjusting method that still other embodiments according to the present invention provide.
Referring to Figure 5, in step S510, judge that the frequency change rate Δ f of crystal oscillator and first frequency change
Rate threshold value Δ f0Size relation, if the frequency change rate Δ f of crystal oscillator be less than first frequency change rate threshold value Δ f0, then
It carries out to step S520；If the frequency change rate Δ f of crystal oscillator is greater than or equal to first frequency change rate threshold value Δ f0, then
It carries out to step S530.
In step S520, the GPS module fast Acquisition satellite-signal of mobile terminal simultaneously positions mobile terminal.
In step S530, the temperature changing speed of the target heat source in the heat source of mobile terminal is adjusted, for example,
By adjusting the working frequency of CPU or the transmitting function of radio frequency PA to input control signals such as target heat source such as CPU, radio frequency PA
Rate.
In step S540, the temperature changing speed of target heat source changes.
In step S550, the temperature changing speed of crystal oscillator changes.
In step S560, the frequency variation of crystal oscillator is determined.
In step S570, determines the frequency change rate Δ f of crystal oscillator, then advance to step S510, be formed with
The closed-loop control of effect, in allowed limits by the frequency variation control of crystal oscillator.
Fig. 6 shows the schematic block diagram of the mobile terminal provided according to some embodiments of the present invention.Referring to shown in Fig. 6,
The mobile terminal 600 comprises determining that module 610, first judgment module 620 and adjustment module 630.Wherein it is determined that module 610
For determining the frequency change rate of the crystal oscillator；First judgment module 620 is for judging the frequency change rate and the
The size relation of one frequency change rate threshold value；It is greater than or equal to described first for the frequency change rate if adjusting module 630
Frequency change rate threshold value is then adjusted based on temperature changing speed of the frequency change rate to the target heat source in the heat source
It is whole, so that the frequency change rate is less than the first frequency change rate threshold value.
In some embodiments of the invention, be based on above scheme, the target heat source include central processing unit CPU,
At least one of radio-frequency power amplifier, charging module；Wherein, the adjustment module includes: CPU adjustment unit, if for
The target heat source includes the CPU, then the working frequency of the CPU is adjusted based on the frequency change rate；And/or radio frequency tune
Whole unit, if including the radio-frequency power amplifier for the target heat source, based on described in frequency change rate adjustment
The transmission power of radio-frequency power amplifier；And/or charging adjustment unit, if including the charging mould for the target heat source
Block then adjusts the charging current of the charging module based on the frequency change rate.
In some embodiments of the invention, it is based on above scheme, the CPU adjustment unit includes: lower frequency unit, is used for
If the frequency change rate is negative value, the working frequency of the CPU is reduced；Or higher frequency unit, if changing for the frequency
Rate is positive value, then increases the working frequency of the CPU.
In some embodiments of the invention, it is based on above scheme, the radio frequency adjustment unit includes: that power reduces list
Member reduces the transmission power of the radio-frequency power amplifier if being negative value for the frequency change rate；Or, power increases
Unit increases the transmission power of the radio-frequency power amplifier if being positive value for the frequency change rate.
In some embodiments of the invention, it is based on above scheme, the charging adjustment unit includes: drop stream unit, is used
If being negative value in the frequency change rate, the charging current of the charging module is reduced；And/or up-flow unit, if being used for institute
Stating frequency change rate is positive value, then increases the charging current of the charging module.
In some embodiments of the invention, above scheme, the mobile terminal are based on further include: the second judgment module,
If the frequency change rate is less than the first frequency change rate threshold value, it is determined that whether the frequency change rate is less than the second frequency
Rate change rate threshold value, the second frequency change rate threshold value are less than the first frequency change rate threshold value；Stop adjustment unit, uses
If being less than the second frequency change rate threshold value in the frequency change rate, stopping is adjusted the heat source.
In some embodiments of the invention, it is based on above scheme, to the temperature change of the target heat source in the heat source
After speed is adjusted, the first judgment module 620 is configured as: after the first scheduled duration, rejudging frequency
The size relation of change rate and the first frequency change rate threshold value.
Fig. 7 is a kind of hardware structural diagram for mobile terminal that one embodiment of the invention provides, as shown in fig. 7, the shifting
Dynamic terminal 700 includes but is not limited to: radio frequency unit 701, audio output unit 703, input unit 704, passes network module 702
Sensor 705, display unit 706, user input unit 707, interface unit 708, memory 709, processor 710 and power supply
711 equal components.It will be understood by those skilled in the art that mobile terminal structure shown in Fig. 7 is not constituted to mobile terminal
It limits, mobile terminal may include perhaps combining certain components or different component cloth than illustrating more or fewer components
It sets.In embodiments of the present invention, mobile terminal includes but is not limited to mobile phone, tablet computer, laptop, palm PC, vehicle
Mounted terminal, wearable device and pedometer etc..
Wherein, the mobile terminal further includes crystal oscillator and heat source, and computer journey is stored in memory 709
Sequence can be realized following below scheme when the computer program is executed by processor 710: determine that the frequency of the crystal oscillator becomes
Rate；Judge the size relation of the frequency change rate Yu first frequency change rate threshold value；If the frequency change rate be greater than or
Equal to the first frequency change rate threshold value, then become based on temperature of the frequency change rate to the target heat source in the heat source
Change speed to be adjusted, so that the frequency change rate is less than the first frequency change rate threshold value.
Optionally, the target heat source include central processing unit CPU, radio-frequency power amplifier, in charging module extremely
Few one kind；The computer program by processor 810 execute when, it is described based on the frequency change rate to the target in the heat source
The temperature changing speed of heat source is adjusted, comprising: if the target heat source includes the CPU, is changed based on the frequency
Rate adjusts the working frequency of the CPU；If and/or the target heat source includes the radio-frequency power amplifier, is based on described
Frequency change rate adjusts the transmission power of the radio-frequency power amplifier；If and/or the target heat source includes the charging mould
Block then adjusts the charging current of the charging module based on the frequency change rate.
Optionally, it is described based on described in the frequency change rate adjustment when which is executed by processor 810
The working frequency of CPU, comprising: if the frequency change rate is negative value, reduce the working frequency of the CPU；If or the frequency
Rate change rate is positive value, then increases the working frequency of the CPU.
Optionally, it is described that the radio frequency is adjusted based on the frequency variation when which is executed by processor 810
The transmission power of power amplifier, comprising: if the frequency change rate is negative value, reduce the hair of the radio-frequency power amplifier
Penetrate power；If or the frequency change rate is positive value, increases the transmission power of the radio-frequency power amplifier.
Optionally, it is described to be based on filling described in the frequency change rate adjustment when which is executed by processor 810
If the charging current of electric module includes: that the frequency change rate is negative value, the charging current of the charging module is reduced；If or
The frequency change rate is positive value, then increases the charging current of the charging module.
Optionally, when which is executed by processor 810, the frequency adjusting method further include: if the frequency
Rate change rate is less than the first frequency change rate threshold value, it is determined that whether the frequency change rate is less than second frequency change rate
Threshold value, the second frequency change rate threshold value are less than the first frequency change rate threshold value；If the frequency change rate is less than institute
Second frequency change rate threshold value is stated, then stops being adjusted the temperature changing speed of the target heat source in the heat source.
Optionally, when which is executed by processor 810, to the temperature change of the target heat source in the heat source
After speed is adjusted, the frequency adjusting method further include: after waiting the first scheduled duration, rejudge the frequency
The size relation of rate change rate and the first frequency change rate threshold value.
It should be understood that the embodiment of the present invention in, radio frequency unit 701 can be used for receiving and sending messages or communication process in, signal
Send and receive, specifically, by from base station downlink data receive after, to processor 710 handle；In addition, by uplink
Data are sent to base station.In general, radio frequency unit 701 includes but is not limited to antenna, at least one amplifier, transceiver, coupling
Device, low-noise amplifier, duplexer etc..In addition, radio frequency unit 701 can also by wireless communication system and network and other set
Standby communication.
Mobile terminal provides wireless broadband internet by network module 702 for user and accesses, and such as user is helped to receive
It sends e-mails, browse webpage and access streaming video etc..
Audio output unit 703 can be received by radio frequency unit 701 or network module 702 or in memory 709
The audio data of storage is converted into audio signal and exports to be sound.Moreover, audio output unit 703 can also be provided and be moved
The relevant audio output of specific function that dynamic terminal 700 executes is (for example, call signal receives sound, message sink sound etc.
Deng).Audio output unit 703 includes loudspeaker, buzzer and receiver etc..
Input unit 704 is for receiving audio or video signal.Input unit 704 may include graphics processor
(Graphics Processing Unit, GPU) 7041 and microphone 7042, graphics processor 7041 is in video acquisition mode
Or the image data of the static images or video obtained in image capture mode by image capture apparatus (such as camera) carries out
Reason.Treated, and picture frame may be displayed on display unit 706.Through graphics processor 7041, treated that picture frame can be deposited
Storage is sent in memory 709 (or other storage mediums) or via radio frequency unit 701 or network module 702.Mike
Wind 7042 can receive sound, and can be audio data by such acoustic processing.Treated audio data can be
The format output that mobile communication base station can be sent to via radio frequency unit 701 is converted in the case where telephone calling model.
Mobile terminal 700 further includes at least one sensor 705, such as optical sensor, motion sensor and other biographies
Sensor.Specifically, optical sensor includes ambient light sensor and proximity sensor, wherein ambient light sensor can be according to environment
The light and shade of light adjusts the brightness of display panel 7061, and proximity sensor can close when mobile terminal 700 is moved in one's ear
Display panel 7061 and/or backlight.As a kind of motion sensor, accelerometer sensor can detect in all directions (general
For three axis) size of acceleration, it can detect that size and the direction of gravity when static, can be used to identify mobile terminal posture (ratio
Such as horizontal/vertical screen switching, dependent game, magnetometer pose calibrating), Vibration identification correlation function (such as pedometer, tap)；It passes
Sensor 705 can also include fingerprint sensor, pressure sensor, iris sensor, molecule sensor, gyroscope, barometer, wet
Meter, thermometer, infrared sensor etc. are spent, details are not described herein.
Display unit 706 is for showing information input by user or being supplied to the information of user.Display unit 706 can wrap
Display panel 7061 is included, liquid crystal display (Liquid Crystal Display, LCD), Organic Light Emitting Diode can be used
Forms such as (Organic Light-Emitting Diode, OLED) configure display panel 7061.
User input unit 707 can be used for receiving the number or character information of input, and generate the use with mobile terminal
Family setting and the related key signals input of function control.Specifically, user input unit 707 include touch panel 7071 and
Other input equipments 7072.Touch panel 7071, also referred to as touch screen collect the touch operation of user on it or nearby
(for example user uses any suitable objects or attachment such as finger, stylus on touch panel 7071 or in touch panel 7071
Neighbouring operation).Touch panel 7071 may include both touch detecting apparatus and touch controller.Wherein, touch detection
Device detects the touch orientation of user, and detects touch operation bring signal, transmits a signal to touch controller；Touch control
Device processed receives touch information from touch detecting apparatus, and is converted into contact coordinate, then gives processor 710, receiving area
It manages the order that device 710 is sent and is executed.Furthermore, it is possible to more using resistance-type, condenser type, infrared ray and surface acoustic wave etc.
Seed type realizes touch panel 7071.In addition to touch panel 7071, user input unit 707 can also include other input equipments
7072.Specifically, other input equipments 7072 can include but is not limited to physical keyboard, function key (such as volume control button,
Switch key etc.), trace ball, mouse, operating stick, details are not described herein.
Further, touch panel 7071 can be covered on display panel 7061, when touch panel 7071 is detected at it
On or near touch operation after, send processor 710 to determine the type of touch event, be followed by subsequent processing device 710 according to touching
The type for touching event provides corresponding visual output on display panel 7061.Although touch panel 7071 and display panel
7061 be the function that outputs and inputs of realizing mobile terminal as two independent components, but in certain embodiments, it can
The function that outputs and inputs of mobile terminal is realized so that touch panel 7071 and display panel 7061 is integrated, is not done herein specifically
It limits.
Interface unit 708 is the interface that external device (ED) is connect with mobile terminal 700.For example, external device (ED) may include having
Line or wireless head-band earphone port, external power supply (or battery charger) port, wired or wireless data port, storage card end
Mouth, port, the port audio input/output (I/O), video i/o port, earphone end for connecting the device with identification module
Mouthful etc..Interface unit 708 can be used for receiving the input (for example, data information, electric power etc.) from external device (ED) and
By one or more elements that the input received is transferred in mobile terminal 700 or can be used in 700 He of mobile terminal
Data are transmitted between external device (ED).
Memory 709 can be used for storing software program and various data.Memory 709 can mainly include storing program area
The storage data area and, wherein storing program area can (such as the sound of application program needed for storage program area, at least one function
Sound playing function, image player function etc.) etc.；Storage data area can store according to mobile phone use created data (such as
Audio data, phone directory etc.) etc..In addition, memory 709 may include high-speed random access memory, it can also include non-easy
The property lost memory, a for example, at least disk memory, flush memory device or other volatile solid-state parts.
Processor 710 is the control centre of mobile terminal, utilizes each of various interfaces and the entire mobile terminal of connection
A part by running or execute the software program and/or module that are stored in memory 709, and calls and is stored in storage
Data in device 709 execute the various functions and processing data of mobile terminal, to carry out integral monitoring to mobile terminal.Place
Managing device 710 may include one or more processing units；Preferably, processor 710 can integrate application processor and modulatedemodulate is mediated
Manage device, wherein the main processing operation system of application processor, user interface and application program etc., modem processor is main
Processing wireless communication.It is understood that above-mentioned modem processor can not also be integrated into processor 710.
Mobile terminal 700 can also include the power supply 711 (such as battery) powered to all parts, it is preferred that power supply 711
Can be logically contiguous by power-supply management system and processor 710, to realize management charging by power-supply management system, put
The functions such as electricity and power managed.
In addition, mobile terminal 700 includes some unshowned functional modules, details are not described herein.
Mobile terminal in the embodiment of the present application can be realized each process of aforementioned frequencies method of adjustment, and reach identical
Effect and function, be not repeated herein.
Further, the embodiment of the present invention also provides a kind of computer readable storage medium, computer readable storage medium
On be stored with computer program, when which is executed by processor realize said frequencies method of adjustment embodiment it is each
Process, and identical technical effect can be reached, to avoid repeating, which is not described herein again.Wherein, the computer-readable storage
Medium, such as read-only memory (Read-Only Memory, abbreviation ROM), random access memory (Random Access
Memory, abbreviation RAM), magnetic or disk etc..
It should be noted that, in this document, the terms "include", "comprise" or its any other variant are intended to non-row
His property includes, so that the process, method, article or the device that include a series of elements not only include those elements, and
And further include other elements that are not explicitly listed, or further include for this process, method, article or device institute it is intrinsic
Element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that including being somebody's turn to do
There is also other identical elements in the process, method of element, article or device.
Through the above description of the embodiments, those skilled in the art can be understood that above-described embodiment side
Method can be realized by means of software and necessary general hardware platform, naturally it is also possible to by hardware, but in many cases
The former is more preferably embodiment.Based on this understanding, technical solution of the present invention substantially in other words does the prior art
The part contributed out can be embodied in the form of software products, which is stored in a storage medium
In (such as ROM/RAM, magnetic disk, CD), including some instructions are used so that a terminal (can be mobile phone, computer, service
Device, air conditioner or network equipment etc.) execute method described in the above embodiment of the present invention.
The embodiment of the present invention is described with above attached drawing, but the invention is not limited to above-mentioned specific
Embodiment, the above mentioned embodiment is only schematical, rather than restrictive, those skilled in the art
Under the inspiration of the present invention, without breaking away from the scope protected by the purposes and claims of the present invention, it can also make very much
Form belongs within protection of the invention.
Claims (15)
1. a kind of frequency adjusting method, is applied to mobile terminal, the mobile terminal includes crystal oscillator and heat source, spy
Sign is that the frequency adjusting method includes:
Determine the frequency change rate of the crystal oscillator；
Judge the size relation of the frequency change rate Yu first frequency change rate threshold value；
If the frequency change rate is greater than or equal to the first frequency change rate threshold value, based on the frequency change rate to institute
The temperature changing speed for stating the target heat source in heat source is adjusted, so that the frequency change rate becomes less than the first frequency
Rate threshold value.
2. frequency adjusting method according to claim 1, which is characterized in that the target heat source includes central processing unit
At least one of CPU, radio-frequency power amplifier, charging module；
It is wherein, described to be adjusted based on temperature changing speed of the frequency change rate to the target heat source in the heat source,
Include:
If the target heat source includes the CPU, the working frequency of the CPU is adjusted based on the frequency change rate；And/or
If the target heat source includes the radio-frequency power amplifier, the radio-frequency power is adjusted based on the frequency change rate
The transmission power of amplifier；And/or
If the target heat source includes the charging module, the charging of the charging module is adjusted based on the frequency change rate
Electric current.
3. frequency adjusting method according to claim 2, which is characterized in that described to adjust institute based on the frequency change rate
State the working frequency of CPU, comprising:
If the frequency change rate is negative value, the working frequency of the CPU is reduced；Or
If the frequency change rate is positive value, the working frequency of the CPU is increased.
4. frequency adjusting method according to claim 2, which is characterized in that described to adjust institute based on the frequency change rate
State the transmission power of radio-frequency power amplifier, comprising:
If the frequency change rate is negative value, the transmission power of the radio-frequency power amplifier is reduced；Or
If the frequency change rate is positive value, the transmission power of the radio-frequency power amplifier is increased.
5. frequency adjusting method according to claim 2, which is characterized in that described to adjust institute based on the frequency change rate
The charging current for stating charging module includes:
If the frequency change rate is negative value, the charging current of the charging module is reduced；Or
If the frequency change rate is positive value, the charging current of the charging module is increased.
6. frequency adjusting method according to claim 1, which is characterized in that the frequency adjusting method further include:
If the frequency change rate is less than the first frequency change rate threshold value, it is determined that whether the frequency change rate is less than the
Two frequency change rate threshold values, the second frequency change rate threshold value are less than the first frequency change rate threshold value；
If the frequency change rate is less than the second frequency change rate threshold value, stop to the target heat source in the heat source
Temperature changing speed is adjusted.
7. frequency adjusting method according to any one of claim 1 to 6, which is characterized in that the mesh in the heat source
After the temperature changing speed of mark heat source is adjusted, the frequency adjusting method further include:
After the first scheduled duration, the size relation of frequency change rate Yu the first frequency change rate threshold value is rejudged.
8. a kind of mobile terminal, the mobile terminal includes crystal oscillator and heat source, which is characterized in that the mobile terminal
Further include:
Determining module, for determining the frequency change rate of the crystal oscillator；
First judgment module, for judging the size relation of the frequency change rate Yu first frequency change rate threshold value；
Module is adjusted, if being greater than or equal to the first frequency change rate threshold value for the frequency change rate, based on described
Frequency change rate is adjusted the temperature changing speed of the target heat source in the heat source, so that the frequency change rate is less than
The first frequency change rate threshold value.
9. mobile terminal according to claim 8, which is characterized in that the target heat source include central processing unit CPU,
At least one of radio-frequency power amplifier, charging module；
Wherein, the adjustment module includes:
CPU adjustment unit adjusts the CPU based on the frequency change rate if including the CPU for the target heat source
Working frequency；And/or
Radio frequency adjustment unit is changed if including the radio-frequency power amplifier for the target heat source based on the frequency
Rate adjusts the transmission power of the radio-frequency power amplifier；And/or
Charge adjustment unit, if including the charging module for the target heat source, is adjusted based on the frequency change rate
The charging current of the charging module.
10. mobile terminal according to claim 9, which is characterized in that the CPU adjustment unit includes:
Lower frequency unit reduces the working frequency of the CPU if being negative value for the frequency change rate；Or
Higher frequency unit increases the working frequency of the CPU if being positive value for the frequency change rate.
11. mobile terminal according to claim 9, which is characterized in that the radio frequency adjustment unit includes:
Power reduces unit, if being negative value for the frequency change rate, reduces the transmitting function of the radio-frequency power amplifier
Rate；Or,
Power elevation unit increases the transmitting function of the radio-frequency power amplifier if being positive value for the frequency change rate
Rate.
12. mobile terminal according to claim 9, which is characterized in that the charging adjustment unit includes:
Drop stream unit reduces the charging current of the charging module if being negative value for the frequency change rate；Or
Up-flow unit increases the charging current of the charging module if being positive value for the frequency change rate.
13. mobile terminal according to claim 8, which is characterized in that the mobile terminal further include:
Second judgment module, if being less than the first frequency change rate threshold value for the frequency change rate, it is determined that the frequency
Whether rate change rate is less than second frequency change rate threshold value, and the second frequency change rate threshold value changes less than the first frequency
Rate threshold value；
Stop adjustment unit, if being less than the second frequency change rate threshold value for the frequency change rate, stops to described
The temperature changing speed of target heat source in heat source is adjusted.
14. a kind of mobile terminal characterized by comprising memory, processor and be stored on the memory and can be in institute
The computer program run on processor is stated, such as claim 1 to 7 is realized when the computer program is executed by the processor
Any one of described in frequency adjusting method the step of.
15. a kind of computer readable storage medium, which is characterized in that be stored with computer on the computer readable storage medium
Program realizes the frequency adjusting method as described in any one of claims 1 to 7 when the computer program is executed by processor
The step of.
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