CN106210436B - A method of image transmitting transceiver machine is controlled by voice-grade channel and changes simultaneously working frequency - Google Patents
A method of image transmitting transceiver machine is controlled by voice-grade channel and changes simultaneously working frequency Download PDFInfo
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- CN106210436B CN106210436B CN201610563973.5A CN201610563973A CN106210436B CN 106210436 B CN106210436 B CN 106210436B CN 201610563973 A CN201610563973 A CN 201610563973A CN 106210436 B CN106210436 B CN 106210436B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/32—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device
- H04N1/333—Mode signalling or mode changing; Handshaking therefor
- H04N1/3333—Mode signalling or mode changing; Handshaking therefor during transmission, input or output of the picture signal; within a single document or page
Abstract
A method of image transmitting transceiver machine is controlled by voice-grade channel and changes simultaneously working frequency, the following steps are included: the transmission of (1) initialisation image receives, transmitting module, it is matched, is received after the completion of pairing, transmitting module jumps into same working channel simultaneously, start-up operation；(2) when needing to change image transmission module working channel, frequency hopping instruction is issued to transmitting module；(3) for the transmitting module after receiving frequency hopping instruction, transmitting module transmits Frequency Hopping Signal to receiving module by voice-grade channel, jumps into the specified working channel of the Frequency Hopping Signal automatically after transferring Frequency Hopping Signal；(4) receiving module is switched to the assigned work channel after receiving Frequency Hopping Signal, and reception, transmitting module restart work in new working channel.When the present operating frequency of described image transmission module is interfered, frequency hopping instruction is sent to the transmitting module, described image transmission module will automatically switch its working channel.
Description
Technical field
The present invention relates to wireless image transmission technical fields, and in particular to a kind of to control image transmitting receipts by voice-grade channel
The method that hair machine changes simultaneously working frequency.
Background technique
With the rise of unmanned plane, unmanned plane of especially taking photo by plane is popularized, and wireless image transmission technology also seems increasingly
It is important.
In unmanned plane field, onboard image transmission module is usually operated in the open common frequency range of country, this
Range is smaller, and module will receive the other equipment of the same frequency often interference when working causes problem, needs to adjust work frequency
Rate is to the working frequency closed on to avoid interference.
Currently, module is mainly connected to local by wired mode by the method for changing image transmission module working frequency
Computer modifies the working frequency of transmitting module and receiving module by computer software.This mode is more troublesome, needs back
Receiving unit is modified twice to local.
Unmanned plane mode will not routinely transmit audio data, can use voice-grade channel and realize data one-way transmission.
Summary of the invention
Pass through voice-grade channel in view of this, the present invention provides a kind of one kind that can solve the above problem and control image transmitting and receive
The method that hair machine changes simultaneously working frequency, to realize that a key switches transmitting and reception working frequency simultaneously automatically.
What the present invention was achieved, it is a kind of that working frequency is changed simultaneously by voice-grade channel control image transmitting transceiver machine
Method, comprising the following steps:
(1) initialisation image transmission reception, transmitting module, match it, image transmitting connects sending and receiving after the completion of pairing
It penetrates module while jumping into same working channel, start to work；
(2) it when needing to change image transmission module working channel, is issued to image transmitting transmitting module and changes its work
The frequency hopping of channel instructs；
(3) described image transmitting module is after receiving the frequency hopping for changing its working channel instruction, image transmitting hair
It penetrates module and gives image transmitting receiving module by voice-grade channel transmission Frequency Hopping Signal, jump into this automatically after transferring Frequency Hopping Signal
The specified working channel of Frequency Hopping Signal；
(4) described image transmission receiving module is switched to the assigned work channel after receiving Frequency Hopping Signal, and image passes
Defeated reception, transmitting module restart work in new working channel.
After above-mentioned technical proposal, when the work of described image transmission module, the frequency of work at present is by dry
It after disturbing, needs to change working channel, frequency hopping instruction need to be only emitted to described image transmitting module, described image transmission module will
Automatically switch working channel, realizes a key frequency conversion.
Wherein, it is described initialization the following steps are included:
(1) triggering described image transmission receiving module starts initialization procedure, and image transmitting receiving module jumps to initialization
Channel waits initialization information；
(2) triggering described image transmitting module starts initialization procedure, and image transmitting transmitting module jumps to initialization
Channel starts initialization procedure；
(3) described image transmitting module is randomly assigned a working channel and generates an identity ID at random, passes through
Identity ID and specified working channel information are transferred to image transmitting receiving module by voice-grade channel, are transmitted rear image and are passed
Defeated transmitting module skips to the working channel automatically；
(4) described image transmission receiving module is matched with image transmitting transmitting module automatically after receiving information；
(5) after successful match, described image transmission receiving module skips to the working channel automatically.
Wherein, the triggering mode set in image transmitting receiving module equipment is triggered, image transmitting receiving module jumps to
Channel is initialized, initialization information is started waiting.
Wherein, it triggers the triggering mode set in image transmitting transmitting module equipment or is set on triggering remote controler
Triggering mode, image transmitting transmitting module jumps to initialization channel, starts initialization procedure.
Wherein, the modulation /demodulation of data is realized when transmitting data by the voice-grade channel using FSK technology.
Wherein, the Frequency Hopping Signal of described image transmitting module transmitting is believed using the modulation obtained after the modulation of FSK technology
Number, image transmitting receiving module is transmitted to by the transmitting chip of image transmitting transmitting module；Described image transmits receiving module
It receives chip and receives and demodulate Frequency Hopping Signal using FSK technology after modulated signal.
Wherein, if described image transmission receiving module is not received by Frequency Hopping Signal, image transmitting transmitting module has been
Change working channel, by the triggering mode on manual control image transmitting receiving module, successively converts working channel until figure
Until receiving the Frequency Hopping Signal that image transmitting transmitting module issues as transmission receiving module.
Wherein, in step (2), when needing to change image transmission module working channel, artificial trigger sets on remote controler
Good triggering mode, remote controler issue the frequency hopping instruction for changing its working channel to image transmitting transmitting module.
Wherein, the working channel of described image transmission module initialization is 32, is divided into 4 groups, every group of 8 working channels.
Wherein, when initialization, described image transmission is received, transmitting module jumps into a working channel simultaneously；In switching work
When making channel, described image transmitting module successively jumps to the latter working channel, described image transmit receiving module also according to
It is secondary to jump to the latter working channel.
Through the above technical solutions, after the frequency of work at present is interfered, being needed when the work of described image transmission module
Change its working channel, only need to manually trigger the triggering mode set on remote controler and emit to described image transmitting module
Frequency hopping instruction, described image transmission module will automatically switch working channel, realize a key frequency conversion.And there is auxiliary to manually change
Channel mode.
Detailed description of the invention
Fig. 1 is that one kind provided by the embodiment of the present invention 1 is changed simultaneously by voice-grade channel control image transmitting transceiver machine
The flow chart of the method for working frequency.
Fig. 2 is the flow chart of the pairing of initialization module provided by the embodiment of the present invention 1.
Fig. 3 is that one kind provided by the embodiment of the present invention 2 is changed simultaneously by voice-grade channel control image transmitting transceiver machine
The flow chart of the method for working frequency.
Fig. 4 is the flow chart of the pairing of initialization module provided by the embodiment of the present invention 2.
Fig. 5 is that one kind provided by the embodiment of the present invention 3 is changed simultaneously by voice-grade channel control image transmitting transceiver machine
The flow chart of the method for working frequency.
Fig. 6 is serial port schematic diagram provided by the embodiment of the present invention 3.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
Image transmission module includes image transmitting transmitting module, image transmitting reception mould in embodiment provided by the present invention
Block, remote controler；Described image transmitting module is mounted on unmanned plane, image transmitting receiving module and ground video output etc.
Equipment is connected, and remote control control switches image transmission module switch operating frequency.(being not drawn into figure).
Embodiment 1.
Please refer to Fig. 1-2.
Fig. 1 is that one kind provided by the embodiment of the present invention 1 is changed simultaneously by voice-grade channel control image transmitting transceiver machine
The flow chart of the method for working frequency.It is that a kind of realized by voice-grade channel one key of realization switches unmanned plane image in the present embodiment
The method of transmission module working frequency, specifically includes the following steps:
Step 210, initialisation image transmission reception, transmitting module, match it, image transmitting connects after the completion of pairing
Sending and receiving penetrate module while jumping into same working channel, start to work.
Wherein, a pair of of image transmitting transmitting, receiving module are initialized.It when beginning, receives, transmitting module all works at the same time
A certain specific initial frequencies.A unique id number is generated in transmitting module, this ID is passed through into the specific initialization frequency
Rate emits to receiving module, and after receiving module receives this ID, successful matching, later receiving module only responds the hair being paired
The instruction for penetrating module, which initializes, to be successfully followed by sending and receiving and penetrates module while jumping into first job channel, is started to work.
Specifically, Fig. 2 is the flow chart of the pairing of initialization module provided by the embodiment of the present invention 1, specifically include following
Step:
Step 211, triggering described image transmission receiving module starts initialization procedure, and image transmitting receiving module jumps to just
Beginningization channel waits initialization information；
Step 212, triggering described image transmitting module starts initialization procedure, and image transmitting transmitting module jumps to just
Beginningization channel starts initialization procedure；
Step 213. described image transmitting module is randomly assigned a working channel and generates an identity ID at random,
Identity ID and specified working channel information are transferred to image transmitting receiving module by voice-grade channel, schemed after being transmitted
As transmitting module skips to the working channel automatically；
Step 214, described image transmission receiving module is matched with image transmitting transmitting module automatically after receiving information；
Step 215, after successful match, described image transmission receiving module skips to the working channel automatically.
Image transmission module is initialized, to country, open public frequency is refined the number, it is specified that working channel
With a group number, facilitate selection of the image transmission module to working frequency；Receiving module and transmitting module are matched for the first time, make to receive mould
Block only responds the instruction for the transmitting module being paired, and switch operating frequency provides foundation for after.
Step 220, it when needing to change image transmission module working channel, is issued to image transmitting transmitting module and changes it
The frequency hopping of working channel instructs.
It, can be by changing its work when the current working frequency of image transmission module, which is interfered, influences its normal work
Make channel and change working frequency make its restore work normally.It must be issued at this time to image transmitting transmitting module and change its work frequency
The frequency hopping in road instructs.
Step 230, after receiving the frequency hopping for changing its working channel instruction, image passes described image transmitting module
Defeated transmitting module, which transmits Frequency Hopping Signal by voice-grade channel, gives image transmitting receiving module, jumps automatically after transferring Frequency Hopping Signal
Enter the specified working channel of the Frequency Hopping Signal.
Step 240, described image transmission receiving module is switched to the assigned work channel after receiving Frequency Hopping Signal, schemes
As transmission reception, transmitting module restart work in new working channel.
Wherein, A, the wave of two kinds of different frequencies of B, A frequency representative digital signal 1, B frequency representative are loaded on voice-grade channel
Digital signaling zero.In image transmitting transmitting module, digital signal data is converted into audio transmission data, high level is converted to A frequency
Rate signal, low transition are B frequency signal.Image transmitting receiving module receives after audio signal again by the letter of different frequency
Number it is converted into low and high level signal, to resolve to digital signal.Realize that voice-grade channel transmits digital signal.
Specifically, described image transmitting module receive frequency hopping instruction after, the letter of the working channel after determining frequency hopping
Breath, such as the 4th working channel of third group, then this working channel information (i.e. Frequency Hopping Signal) is sent to by voice-grade channel
Image transmitting receiving module, described image transmitting module jump into this working channel automatically after having sent Frequency Hopping Signal；
Described image transmission receiving module is switched to the assigned work channel after receiving Frequency Hopping Signal；In this way, described image is transmitted
Module can restart work in same frequency.
It is worth especially set out, when described image transmission module needs to change its working channel again, repeats step
220,230,240.
Described image transmission module is set with multiple working channels, thus working frequency after frequency hopping be still interfered or
After person is interfered again, step 220,230,240 change image transmission module working channels can be repeated again, until image
Until transmission module can work normally.
Through the above technical solutions, influencing its normal work when the current working frequency of image transmission module is interfered
When, it needs to change working channel, frequency hopping instruction need to be only emitted to described image transmitting module, described image transmission module will be certainly
Dynamic switch operating channel, realizes a key frequency conversion；After working frequency after frequency hopping is still interfered or is interfered again, only
It needs to continue the working channel for switching described image transmission module to the transmitting frequency hopping instruction of described image transmitting module again, until
Until the normal work that described image transmission module can be interference-free.
Embodiment 2.
Please refer to Fig. 3-4.
Fig. 3 is that one kind provided by the embodiment of the present invention 2 is changed simultaneously by voice-grade channel control image transmitting transceiver machine
The flow chart of the method for working frequency, specifically includes the following steps:
Step 310, initialisation image transmission reception, transmitting module, match it, image transmitting connects after the completion of pairing
Sending and receiving penetrate module while jumping into same working channel, start to work.
Wherein, image transmission module provides 32 working channels, is divided into 4 groups, every group 8, when initialization, and image transmitting hair
It penetrates module to be randomly assigned one group of working channel and generate an identity ID at random, group number is transferred to ID by voice-grade channel and is connect
Receive module.Receiving module is matched with transmitting terminal automatically after receiving information.After successful match, reception, transmitting module working frequency are certainly
It is dynamic to skip to first channel currently organized.
Specifically, Fig. 4 is the flow chart of the pairing of initialization module provided by the embodiment of the present invention 2, specifically include following
Step:
Step 311, the triggering mode set in image transmitting receiving module equipment is triggered, for example long-pressing image transmitting connects
Module device control button is received, image transmitting receiving module jumps to initialization channel, starts waiting initialization information；
Step 312, it triggers the triggering mode set in image transmitting transmitting module equipment or is set on triggering remote controler
The triggering mode set, such as long-pressing image transmitting transmitting module device button or short-press remote controler frequency hopping button 6 times rapid,
Image transmitting transmitting module jumps to initialization channel, starts initialization procedure；
Step 313, described image transmitting module is randomly assigned one group of working channel and generates an identity ID at random,
The group number and identity ID are transferred to image transmitting receiving module by voice-grade channel；
Step 314, described image transmission receiving module is matched with image transmitting transmitting module automatically after receiving information；
Step 315, after successful match, described image transmission is received, transmitting module working frequency is skipped to automatically and currently organized
First job channel.
The use of remote controler, the setting of triggering mode keep the initialization of image transmission module simple, flexible, changeable.
Step 320, artificial to trigger the touching set on remote controler when needing to change image transmission module working channel
Frequency hopping button is primary in originating party formula, such as short-press remote controler, sends frequency hopping instruction to image transmitting transmitting module.
Step 330, for described image transmitting module after receiving frequency hopping instruction, image transmitting emits mould on unmanned plane
Block transmits Frequency Hopping Signal to image receiver module by voice-grade channel, jumps into the Frequency Hopping Signal automatically after transferring Frequency Hopping Signal
Specified working channel.
Step 340, described image transmission receiving module is switched to the assigned work channel after receiving Frequency Hopping Signal, schemes
As transmission reception, transmitting module restart work in new working channel.
Step 350, when needing to change image transmission module working channel again, step 320,330,340 are repeated.
Specifically, in the present embodiment, when working channel needs to switch, frequency hopping button is primary on short-press remote controler, distant
Frequency hopping instruction is reached unmanned plane by control device, and image transmitting transmitting module passes through sound after receiving remote controler Frequency Hopping Signal on unmanned plane
Frequency channel notifies image transmitting receiving module successively to change a channel backward, while transmitting module itself also successively changes backward
One channel so that image transmitting receive, sending module again task on the same channel.To realize an auto-changing
Channel.For example, work at present channel is the 2nd group of the 1st working channel, (2,1) are denoted as, when needing frequency conversion, after short-press frequency hopping button,
The 2nd working channel of subsequent work channel information i.e. the 2nd group is denoted as (2,2), is sent to receiving module by transmitting module, " (2,2) "
As Frequency Hopping Signal；After being sent completely, transmitting module jumps into the 2nd group of the 2nd working channel；Receiving module receives Frequency Hopping Signal
Afterwards, it is switched to the 2nd group of the 2nd working channel；In this way, transmitting module and receiving module are in same all in the 2nd group of the 2nd working channel
One working frequency, can work normally.When needing switch operating channel again, transmitting module and receiving module are successively to latter
A working channel switching, that is, switch to the 2nd group of the 3rd working channel, the 2nd group of the 4th working channel, the 2nd group of the 5th working channel ...
When the switching channels in the 2nd group of 8 working channel, next group of channel is the 2nd group of the 1st working channel, is circuited sequentially.
It is worth illustrating, triggering mode mentioned above is not uniquely that it is according to reality by journey
Sequence person's sets itself.
Through the above technical solutions, the public frequency that image transmission module initialization opens country refines, to work
Number is grouped as channel, and when switch operating channel successively switches backward according to group number and number, convenient for the pipe of working frequency
Reason avoids repeating, repeatedly when switch operating frequency, saves the time, improve efficiency.
The present embodiment further includes the remote controler being used cooperatively with image transmitting transmitting module, what remote controler was set
Triggering mode can issue frequency hopping instruction；Its normal work is influenced when the current working frequency of image transmission module is interfered
When, it needs to change working channel, only need to trigger the triggering mode set on remote controler, described image transmission module will be automatic
Switch operating channel realizes a key frequency conversion；The use of remote controler is realized to the image transmitting on the unmanned plane under state of flight
The long-range control of transmitting module, keeps the practicability of image transmission module stronger.
Embodiment 3.
Please refer to Fig. 5-6.
Fig. 5 is that one kind provided by the embodiment of the present invention 3 is changed simultaneously by voice-grade channel control image transmitting transceiver machine
The flow chart of the method for working frequency, the specific steps are as follows:
Step 410, initialisation image transmission reception, transmitting module, match it, image transmitting connects after the completion of pairing
Sending and receiving penetrate module while jumping into same working channel, start to work.
Step 420, artificial to trigger the touching set on remote controler when needing to change image transmission module working channel
Frequency hopping button in originating party formula, such as short-press remote controler sends frequency hopping instruction to image transmitting transmitting module.
Step 430, for described image transmitting module after receiving frequency hopping instruction, image transmitting emits mould on unmanned plane
Block sends Frequency Hopping Signal, jumps into the specified working channel of the Frequency Hopping Signal automatically after having sent Frequency Hopping Signal.
Step 440, the Frequency Hopping Signal using obtained after FSK technology modulated signal by transmitting chip pass through voice-grade channel send out
Give image transmitting receiving module.
Step 450, the reception chip of described image transmission receiving module is after receiving modulated signal using after FSK technology
Demodulate Frequency Hopping Signal.
Wherein, FSK is that Frequency-shift keying writes a Chinese character in simplified form, and Chinese name is frequency shift keying, is the frequency using carrier wave
Rate changes to transmit digital information.It is to go keyed carrier frequency to transmit information using the discrete characteristics taking value of baseband digital signal
A kind of digital modulation technique.
Specifically, Fig. 6 is serial port schematic diagram provided by the embodiment of the present invention 3.From TX mouthfuls of microcontroller serial port
Source data is issued, the pin A that TX mouthfuls are accessed single-chip microcontroller is generated into external interrupt, the height of decision level becomes in external interrupt
Change, the square wave that control timer TIMER generates different frequency is loaded into voice-grade channel up；Different frequency is received in receiving end
Wave, be transmitted to single-chip microcontroller pin B generate external interrupt, calculate it is adjacent interrupts direct interval time twice, parse wave
Frequency exports the corresponding low and high level of the frequency in pin C, and pin B accesses microcontroller serial port receiving port RX, it can receives
The serial data of transmitting terminal transmitting.Realize bottom data transmission.
FSK technology is used on voice-grade channel, realizes the modulation /demodulation of data, FSK technology, which implements, to be easier to, anti-noise
The better performances of sound and anti-attenuation.
Step 460, described image transmission receiving module is switched to the assigned work channel after receiving Frequency Hopping Signal, schemes
As transmission module is started to work in new working channel again.
Step 470, when needing to change image transmission module working channel again, repeat step 420,430,440,450,
460。
It is worth especially set out, in above-mentioned steps 460, if described image transmission receiving module is not received by frequency hopping
Signal and image transmitting transmitting module has changed its working channel, pass through the triggering on manual control image transmitting receiving module
Mode, for example by the control button on control image transmitting receiving module, working channel is successively converted until image transmitting connects
Until receiving the Frequency Hopping Signal that module receives the sending of image transmitting transmitting module.It malfunctions in image transmission module conversion process
When, its working channel can be changed by manually adjusting, be allowed to restore normal.
Through the above technical solutions, the working frequency of one key switching whole image Transmission system may be implemented.In no physics
It is realized in the state of connection, it is very convenient.And there is auxiliary to manually change channel mode.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to restrict the invention, all in essence of the invention
Within mind and principle, any modification, equivalent substitution, improvement and etc. done should all be included within the scope of protection of the invention.
Claims (10)
1. a kind of control the method that image transmitting transceiver machine changes simultaneously working frequency by voice-grade channel, it is characterised in that: packet
Include following steps:
(1) initialisation image transmission reception, transmitting module, match it, and image transmitting receives, emits mould after the completion of pairing
Block jumps into same working channel simultaneously, starts to work；
(2) it when needing to change image transmission module working channel, is issued to image transmitting transmitting module and changes its working channel
Frequency hopping instruction；
(3) for described image transmitting module after receiving the frequency hopping for changing its working channel instruction, image transmitting emits mould
Block, which transmits Frequency Hopping Signal by voice-grade channel, gives image transmitting receiving module, jumps into the frequency hopping automatically after transferring Frequency Hopping Signal
The specified working channel of signal；
(4) described image transmission receiving module is switched to the assigned work channel after receiving Frequency Hopping Signal, and image transmitting connects
Sending and receiving penetrate module and restart work in new working channel.
2. a kind of side for changing simultaneously working frequency by voice-grade channel control image transmitting transceiver machine as described in claim 1
Method, it is characterised in that: in step (1), it is described initialization the following steps are included:
(1) triggering described image transmission receiving module starts initialization procedure, and image transmitting receiving module jumps to initialization channel,
Wait initialization information；
(2) triggering described image transmitting module starts initialization procedure, and image transmitting transmitting module jumps to initialization channel,
Start initialization procedure；
(3) described image transmitting module is randomly assigned a working channel and generates an identity ID at random, passes through audio
Identity ID and specified working channel information are transferred to image transmitting receiving module by channel, are transmitted rear image transmitting hair
It penetrates module and skips to the working channel automatically；
(4) described image transmission receiving module is matched with image transmitting transmitting module automatically after receiving information；
(5) after successful match, described image transmission receiving module skips to the working channel automatically.
3. a kind of side for changing simultaneously working frequency by voice-grade channel control image transmitting transceiver machine as claimed in claim 2
Method, it is characterised in that: the triggering mode set in triggering image transmitting receiving module equipment, image transmitting receiving module jump to
Channel is initialized, initialization information is started waiting.
4. a kind of side for changing simultaneously working frequency by voice-grade channel control image transmitting transceiver machine as claimed in claim 2
Method, it is characterised in that: it is set on the triggering mode or triggering remote controler set in triggering image transmitting transmitting module equipment
Good triggering mode, image transmitting transmitting module jump to initialization channel, start initialization procedure.
5. a kind of side for changing simultaneously working frequency by voice-grade channel control image transmitting transceiver machine as described in claim 1
Method, it is characterised in that: the modulation /demodulation of data is realized when transmitting data by the voice-grade channel using FSK technology.
6. one kind as claimed in claim 1 or 5 controls image transmitting transceiver machine by voice-grade channel and changes simultaneously working frequency
Method, it is characterised in that: the Frequency Hopping Signal of described image transmitting module transmitting uses obtained tune after the modulation of FSK technology
Signal processed is transmitted to image transmitting receiving module by the transmitting chip of image transmitting transmitting module；Described image transmission receives mould
The reception chip of block receives and demodulates Frequency Hopping Signal using FSK technology after modulated signal.
7. a kind of side for changing simultaneously working frequency by voice-grade channel control image transmitting transceiver machine as described in claim 1
Method, it is characterised in that: if described image transmission receiving module be not received by Frequency Hopping Signal and image transmitting transmitting module
Through changing working channel, by the triggering mode on manual control image transmitting receiving module, successively convert working channel until
Until image transmitting receiving module receives the Frequency Hopping Signal of image transmitting transmitting module sending.
8. a kind of side for changing simultaneously working frequency by voice-grade channel control image transmitting transceiver machine as described in claim 1
Method, it is characterised in that: in step (2), when needing to change image transmission module working channel, artificial trigger sets on remote controler
Good triggering mode, remote controler issue the frequency hopping instruction for changing its working channel to image transmitting transmitting module.
9. one kind as claimed in claim 1 or 2 controls image transmitting transceiver machine by voice-grade channel and changes simultaneously working frequency
Method, it is characterised in that: the working channel of described image transmission module initialization is 32, is divided into 4 groups, every group of 8 work
Channel.
10. a kind of as claimed in claim 9 change simultaneously working frequency by voice-grade channel control image transmitting transceiver machine
Method, it is characterised in that: when initialization, described image transmission is received, transmitting module jumps into a working channel simultaneously；Switching
When working channel, described image transmitting module successively jumps to the latter working channel, and described image transmits receiving module
Successively jump to the latter working channel.
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| CN108649969B (en) * | 2018-06-22 | 2023-12-12 | 恩平市恩宝电子有限公司 | Wireless microphone system based on dual-channel technology and communication method |
| CN109195285B (en) * | 2018-09-21 | 2020-04-28 | 北京凌阳伟业科技有限公司 | Control method, remote controller and controller of street lamp system |
| CN111757404B (en) * | 2019-09-20 | 2022-01-14 | 广州极飞科技股份有限公司 | Wireless network switching method and device, storage medium and electronic equipment |
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| CN105664503A (en) * | 2016-03-16 | 2016-06-15 | 中山大学 | Unmanned aerial vehicle device based on multiplayer remote control and implementing method |
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