CN109743097A - A kind of portable underwater telephonic communication system and method based on buoy base - Google Patents
A kind of portable underwater telephonic communication system and method based on buoy base Download PDFInfo
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- CN109743097A CN109743097A CN201811585105.2A CN201811585105A CN109743097A CN 109743097 A CN109743097 A CN 109743097A CN 201811585105 A CN201811585105 A CN 201811585105A CN 109743097 A CN109743097 A CN 109743097A
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Abstract
The invention discloses a kind of portable underwater telephonic communication systems and method based on buoy base, communication relay is carried out as communication base station using buoy, it can be realized the long range voice communication of bank base commander and underwater diver, pass through the integrated of portable underwater telephone terminal and diver's diving equipment simultaneously, carry portable underwater telephone terminal more convenient, to improve the ease for use of system, by will be in the waterproof mask of the integration of equipments such as the earphone of telephone communication terminal to diver, and fixed device is set on the host of telephone terminal under water, the effective integration of portable underwater telephone terminal and submarine armor can be achieved, it is more convenient to make portable underwater telephone terminal carry.
Description
Technical field
The present invention relates to technical field of underwater acoustic communication, and in particular to a kind of portable underwater telephone communication based on buoy base
System and method.
Background technique
With the sharply consumption of land resources, the scarcity of the strategic materials such as energy, every country, which all increases, provides ocean
The development and utilization in source, during deepening continuously exploitation, underwater voice communication is increasingly valued by people.Underwater work
Make that personnel need in complex environment in real time under water and other operating points or bank base commanding carry out voice communication to cooperate with
Work, while oneself state is reported to commanding.
Can only be conversed at present by ship base underwater sound telephone and underwater diver, underwater diver can not with shore command person into
Row voice communication.In addition, wire communication or radio communication can be used in current underwater voice communication, wire communication carries not side
Just, radio wave is decayed seriously in the seawater, and the more highly attenuating frequency the bigger, farthest can only achieve tens meters of communication distance.This
Two kinds of technologies have certain limitation.
Summary of the invention
In view of this, being adopted the present invention provides a kind of portable underwater telephonic communication system and method based on buoy base
Buoy is used to carry out communication relay as communication base station, the long range voice that can be realized bank base commander and underwater diver is logical
Letter, while by the integrated of portable underwater telephone terminal and diver's diving equipment, carry portable underwater telephone terminal
It is more convenient, to improve the ease for use of system.
A kind of portable underwater telephonic communication system based on buoy base provided by the invention, including buoy base station and portable
Formula underwater telephone terminal；The portable underwater telephone terminal is that relaying carries out telephone communication with satellite with the buoy base station；
The buoy base station includes buoy float, bastion host, radio communication equipment, integrated service gateway and base station transducing
Device；The bastion host, radio communication equipment and integrated service gateway water tight enclosure are in buoy float；The integrated services network
Close and the bastion host and the radio communication equipment between be electrically connected, by the radio communication equipment establish with
The wireless communication of satellite connects；The bastion host passes through the watertight connector being arranged on buoy float with energy converter and electrically connects
It connects；
The portable underwater telephone terminal includes waterproof mask, end host, terminal transducer and battery pack；The end
End main frame is electrically connected with the waterproof mask, the terminal transducer and the battery pack respectively；
Earphone, microphone and PTT button, the earphone, microphone and PTT button and institute are provided on the waterproof mask
State end host electrical connection；
It is communicated between the buoy base station and portable underwater telephone terminal using underwater sound communication mode.
Further, the bastion host has transmitting and receive capabilities；
Emitting portion is received by analog voice interface, by differential-to-single-ended circuit, generates single-ended signal, this is single-ended
Small signal is transformed to big signal by simulation pretreatment and amplifying circuit by signal, is then converted by the A/D of bastion host MCU
Device is converted to digital signal, and digitized voice signal is modulated to a certain frequency using the single sideband modulation of bastion host MCU
On the carrier wave of rate, simulation single sideband singal is then converted by the D/A of bastion host MCU, is carried out using smoothing filter
Filtering processing converts electrical signals into acoustical signal finally by energy converter power amplifier driving energy converter and launches；
Receiving portion, the uplink acoustical signal from portable underwater telephone terminal are converted into electric signal by energy converter, warp
It crosses and signal processing is completed by the signal conditioning circuit that analog signal interface, simulation pretreatment and amplifying circuit form, then pass through base
The A/D conversion of station host MCU becomes digital signal, carries out single sideband demodulation to the signal received using bastion host MCU,
Voice signal is restored finally by the D/A of bastion host MCU, is handled using smothing filtering, single-ended transfer difference circuit,
Integrated service gateway is transmitted to finally by analog voice interface.
Further, the end host has transmitting and receive capabilities；
Voice signal is converted into analog voice signal by Mike by emitting portion, is then pre-processed and is put by simulation
Small signal is transformed to big signal by big circuit, then digital signal is converted by the A/D of end host MCU, using end
The single sideband modulation of end main frame MCU is modulated to digitized voice signal on the carrier wave of a certain frequency, then passes through terminal master
The D/A of machine MCU is converted into simulation single sideband singal, converts the electrical signal to sound finally by energy converter power amplifier driving energy converter
Signal is launched.
The acoustical signal received is converted into electric signal by receiving portion, energy converter, by simulation pretreatment and amplifying circuit
Small signal is transformed to big signal, then becomes digital signal by the A/D conversion of end host MCU, then by MCU to reception
The signal arrived carries out single sideband demodulation, restores analog signal finally by the D/A of end host MCU, by smothing filtering electricity
Road is handled, and drives earphone to be converted to voice signal by earphone power amplifier；
End host MCU further connects speech chip, and speech chip connects earphone power amplifier, speech chip pre-stored voice dish
It is single.
Further, two hard contacts of setting and insulator cap on the outside of the end host, described two hard contact difference
It is connect with the detection module inside the end host, when the portable underwater telephone terminal is immersed in the water, two metals
Connecting path is established as conductor by water in contact, and the detection module detects the current signal between two hard contacts,
Then start the portable underwater telephone terminal；When any one metal dots is covered using the insulator cap, the detection
Module detects no signal current between two hard contacts, then closes the portable underwater telephone terminal, at this point, removal
Insulator cap, then connect recovery, and the detection module starts the portable underwater telephone terminal.
Further, the waterproof mask is inactive component.
Further, using system described in claim 1-5 any one, the buoy base station and the portable water
It is communicated between lower telephone terminal by energy converter, is communicated between the buoy base station and satellite using radio, had
Body process includes the following steps:
After the portable underwater telephone terminal enters water, by detecting the current signal between the hard contact, start institute
Portable underwater telephone terminal is stated, initialization is completed；
The portable underwater telephone terminal and the buoy base station, which are established, to be communicated to connect；
When needing to restart the portable underwater telephone terminal, using the insulator cap by any one metal dots lid
Firmly, then by the insulator cap it removes, completes restarting for the portable underwater telephone terminal；
When needing to withdraw, when the portable underwater telephone terminal returns to the water surface, that establishes between the hard contact is logical
Road disconnects, the portable underwater telephone terminal automatic shutdown.
Further, the initialization procedure includes the following steps:
The remaining capacity of step 1.1, end host detection current battery, and carry out voice broadcast；
Step 1.2, the end host carry out voice by earphone and broadcast using the voice menu prestored in speech chip
Report prompts that the portable underwater telephone terminal radiation pattern and communication channel is arranged, and according to the letter fed back in waterproof mask
Breath, determines the radiation pattern and communication channel that user selectes；
Step 1.3, the end host carry out voice by earphone and broadcast using the voice menu prestored in speech chip
Report, whether prompting volume and the noise elimination functional switch that earphone is listened in the setting waterproof mask, and it is true according to PTT button state
That determines that user selectes listens to volume and whether opens noise elimination function.
Further, the radiation pattern in the step 1.2 includes speech pattern and keystroke pattern；The speech pattern is
Speech volume is acquired, is confirmed whether it is diver's voice messaging more than the threshold value of setting by judging whether, if it is opens
Inspiration is penetrated；The keystroke pattern is PTT key setting transmitting or receives that the above are requests to emit in 1 second for long-pressing PTT key, thus
Into emission state, unclamps PTT key 0.5 second and enter reception state.
Further, earphone noise elimination function includes "high" and two grades of " low " in the step 6.
The utility model has the advantages that
(1) present invention carries out communication relay by introducing buoy, can be formed including telephone communication terminal, buoy base station, be defended
The communication link of star and bank base command terminal, i.e., portable underwater telephone terminal can send voice to buoy base station, then by
Buoy base station is transmitted to satellite, by the relaying of satellite, sends speech to bank base commander, meanwhile, bank base commander assigns
Voice commands buoy base station can be also sent to by satellite, telephone communication terminal is relayed to, to expand significantly underwater
The space communication distance of frogman and commander, increase new trafficwise；
(2) by by the waterproof mask of the integration of equipments such as the earphone of telephone communication terminal to diver, and under water
Fixed device is set on the host of telephone terminal, it can be achieved that portable underwater telephone terminal and submarine armor effective integration,
It is more convenient to make portable underwater telephone terminal carry.
Detailed description of the invention
Fig. 1 is the portable underwater telephonic communication system structure chart based on buoy base.
Fig. 2 is buoy base station functional block diagram.
Fig. 3 is voice communication uplink process schematic.
Fig. 4 is voice communication downlink process schematic.
Fig. 5 is portable underwater telephone terminal functional block diagram.
Fig. 6 is buoy base station operation flow diagram.
Fig. 7 is portable underwater telephone terminal workflow schematic diagram.
Wherein, 1- metal dots.
Specific embodiment
The present invention will now be described in detail with reference to the accompanying drawings and examples.
The present invention provides a kind of portable underwater telephonic communication system and method based on buoy base, basic thoughts
It is: between portable underwater telephone terminal and bank base telephone terminal, communication relay, structure is carried out as communication base station using buoy
The communication link being made of portable underwater telephone terminal, buoy base station, satellite and bank base telephone terminal is built, realizes bank base commander
The long range voice communication of member and underwater diver.Meanwhile passing through portable underwater telephone terminal and diver's diving equipment
It is integrated, carry portable underwater telephone terminal more convenient.
Embodiment 1:
This example demonstrates the structures and function of the portable underwater telephonic communication system based on buoy base.
Portable underwater telephonic communication system based on buoy base includes buoy base station and portable underwater telephone terminal,
Structure and connection relationship are as shown in Figure 1, the sound being converted between buoy base station and portable underwater telephone terminal by energy converter
Signal is communicated, and radio communication is used between buoy base station and satellite.
(1) structure and function of buoy base station.
Buoy base station includes buoy float, bastion host, radio communication equipment, integrated service gateway, energy converter, battery pack
And watertight connector, structure and connection relationship are as shown in Figure 2.The contour structures of buoy base station include water surface part and underwater portion
Point, wherein buoy base underwater telephone device Host, radio communication equipment, integrated service gateway and battery pack closing are mounted on
In the buoy float of water surface part, underwater portion is energy converter, passes through cable connection between circuit in energy converter and buoy float.Buoy
The function and structure of base station each section is as described below:
Bastion host: the equipment is responsible for the processing and conversion of voice signal and electric signal, buoy base underwater telephone equipment master
Between machine and integrated service gateway, analog voice signal is transmitted respectively by cable, mark voice signal state pause judgments instruct
Digital signal, wherein state pause judgments instruction are transmitted by RS-422 data-interface；Buoy base underwater telephone device Host and transducing
Cable connection is used between device.
Radio communication equipment: the equipment be responsible for satellite between radio signal transmitting-receiving, radio communication equipment and
Integrated service gateway passes through cable connection.
Integrated service gateway: the equipment is responsible for the letter between buoy base underwater telephone device Host and radio communication equipment
Number conversion and control.
Energy converter: the equipment is responsible for the conversion of electroacoustic energy.Watertight connector: the equipment is responsible for matching with cable plug,
Guarantee the watertightness of cable connection.
The end host of portable underwater telephone terminal provided by the invention realizes single sideband modulation and solution using filter method
It adjusts, structure as shown in Fig. 2, illustrate the function and structure of each section separately below:
Primary processor uses MCU, selects the STM32F429 processor of ST Microelectronics, dominant frequency 180MHz.
Emitting portion: the downlink voice information from satellite is received by analog voice interface, turns single-ended electricity by difference
Road, generates single-ended signal, which is transformed to big signal for small signal by simulation pretreatment and amplifying circuit, then passes through
The A/D converter for crossing bastion host MCU is converted to digital signal, using the single sideband modulation of bastion host MCU digitlization
Voice signal be modulated on the carrier wave of a certain frequency, be then converted into simulating unilateral take a message by the D/A of bastion host MCU
Number, it is filtered using smoothing filter, converts electrical signals into sound finally by energy converter power amplifier driving energy converter
Signal is launched.
Receiving portion: the uplink acoustical signal from portable underwater telephone terminal is converted into electric signal by energy converter, warp
It crosses and signal processing is completed by the signal conditioning circuit that analog signal interface, simulation pretreatment and amplifying circuit form, then pass through base
The A/D conversion of station host MCU becomes digital signal, carries out single sideband demodulation to the signal received using bastion host MCU,
Voice signal is restored finally by the D/A of bastion host MCU, is handled using smothing filtering, single-ended transfer difference circuit,
Integrated service gateway is transmitted to finally by analog voice interface.
Integrated service gateway transmits a signal to radio communication equipment, leads to S satellite by radio communication equipment connection day
Transceiver, the starting and ending instruction for the voice signal for including in the analog voice exported by portable underwater telephone terminal,
The beginning and end of data transmission may be implemented, as shown in Figure 3 and Figure 4.
(2) structure and function of portable underwater telephone terminal.
Portable underwater telephone terminal includes waterproof mask, end host, energy converter and battery pack；Wheat built in waterproof mask
Gram wind, waterproof PTT key and earphone；The working principle of end host is as shown in Figure 5.
Voice signal: being converted into analog voice signal by Mike by emitting portion, is then pre-processed and is put by simulation
Small signal is transformed to big signal by big circuit, then digital signal is converted by the A/D of end host MCU, using end
The single sideband modulation of end main frame MCU is modulated to digitized voice signal on the carrier wave of a certain frequency, then passes through terminal master
The D/A of machine MCU is converted into simulation single sideband singal, converts the electrical signal to sound finally by energy converter power amplifier driving energy converter
Signal is launched.
Receiving portion: the acoustical signal received is converted into electric signal by energy converter, by simulation pretreatment and amplifying circuit
Small signal is transformed to big signal, then becomes digital signal by the A/D conversion of end host MCU, then pass through end host
MCU carries out single sideband demodulation to the signal received, restores analog signal finally by the D/A of end host MCU, by flat
Sliding filter circuit is handled, and drives earphone to be converted to voice signal by earphone power amplifier.
End host MCU further connects speech chip, and speech chip accesses earphone power amplifier, speech chip pre-stored voice dish
It is single.
Embodiment 2:
This example demonstrates the portable underwater method relating to telephone communications based on buoy base.
(1) in the portable underwater telephonic communication system based on buoy base buoy base station workflow, it is specific as follows:
Step 1: default channel work switches to other channels by instruction, and the working channel of buoy base station is arranged, or
It works in selection in default channel.
Step 2: entering reception state, and after channel is arranged in step 1, buoy base station can enter reception state,
Emission state can be entered by receiving the PTT ON instruction that integrated service gateway is sent, receive what integrated service gateway was sent
PTT OFF instruction can enter reception state, to realize the switching of half-duplex reiving/transmitting state.
Step 3: call, into after reception state, i.e., buoy base station can receive or send call voice signal.
Step 4: withdrawing equipment can pass hull closure after sign off.
(2) portable underwater telephone terminal in the portable underwater telephonic communication system based on buoy base, inside pass through
Process control speech chip realizes voice menu, i.e., the menu option of voice broadcast is listened to by PTT button operation and from earphone
It realizes human-computer interaction, achievees the purpose that internal running parameter is arranged, workflow is specific as follows:
Step 1: end host connects mask, so that end host is connect with speech chip.
Step 2: end host enters water Auto Power On, starts portable underwater telephone terminal, and end host uses water certainly
The setting of dynamic booting.
Step 3: casting battery capacity, voice system broadcast the remaining capacity of current battery.
Step 4: setting radiation pattern: end host is carried out using the voice menu prestored in speech chip by earphone
Voice broadcast prompts that the portable underwater telephone terminal radiation pattern is arranged, and according to the information fed back in waterproof mask, really
Determine the radiation pattern that user selectes；
Radiation pattern is divided into speech pattern and keystroke pattern, speech pattern, that is, VOX, the voice sound spoken by acquiring people
Amount is regarded as people more than thresholding and is speaking so that judging whether is more than internal thresholding, and then opens transmitting；Keystroke pattern
It is that PTT is emitted or received by key control, is considered within long-pressing PTT key 1 second or more that request emits, hence into emission state,
It unclamps PTT key 0.5 second and enters reception state.
Step 5: setting channel:
End host carries out voice broadcast using the voice menu prestored in speech chip, by earphone, prompts setting institute
The communication channel of portable underwater telephone terminal is stated, and according to the state of PTT key in waterproof mask, determines that user selectes logical
Believe channel.
Step 6: setting volume: the volume that earphone is listened in setting mask.
End host carries out voice broadcast using the voice menu prestored in speech chip, by earphone, prompts setting institute
It states the volume that earphone in waterproof mask is listened to, and determines that user selected listens to volume according to PTT button state.Volume is divided into two
Shelves "high" and " low " are realized by the signal amplification factor inside setting program.
Step 7: setting noise suppressed:
End host carries out voice broadcast using the voice menu prestored in speech chip, by earphone, prompts described anti-
Noise elimination function whether is opened in face guard, and the selection of user is determined according to PTT button state.
It is that the noise elimination function of earphone is arranged that noise suppressed, which is arranged, sets " noise suppression for submarine terminal by voice menu
System is opened ", when there was only other side's transmitting in this way, it can just hear that other side talks, earphone is in mute state when other side does not emit, and in this way may be used
To reduce power consumption to a certain degree；When being set as " noise suppressed pass ", other side can hear that other side speaks when emitting, and other side does not emit
When can hear received noise, such benefit is, on the user for being unfamiliar with equipment may determine that whether machine normal
Electricity and normal work.
Step 8: call, after completing arrangement above, portable underwater telephone terminal is in normal operating conditions, can be with
Carry out normal talking.
Step 9: withdrawing equipment, i.e. equipment recycles, i.e., diver's Portable device returns to the water surface, equipment automatic shutdown.
In addition, portable underwater telephone terminal also has the function of restarting manually in water, by outside end host
Two metal dots are set, and two metal dots are connected with coherent detection module inside end host, when portable underwater telephone terminal
After entering water, due to establishing access as conductor by water between two metal dots, at this point, detection module detects inside host
Current signal between two metal dots, then start portable underwater telephone terminal；When restarting portable underwater phone is whole
When end, then needs to cover any one metal dots using insulator cap, make the metal dots and water segregation, at this time by two metal dots
It is disconnected with the access that water is established, detection module detects between two metal dots do not have current signal inside host, then closes just
Formula underwater telephone terminal is taken, when insulator cap is removed, the access established by two metal dots and water connection again, portable water
Lower telephone terminal is again started up.It is thereby achieved that equipment can be realized again without returning to the water surface when equipment occurs abnormal
It powers on.Wherein, which can be realized using end host MCU internal processes, can also use individual detection circuit
It realizes.
In conclusion the above is merely preferred embodiments of the present invention, being not intended to limit the scope of the present invention.
All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in of the invention
Within protection scope.
Claims (9)
1. a kind of portable underwater telephonic communication system based on buoy base, which is characterized in that including buoy base station and portable
Underwater telephone terminal；The portable underwater telephone terminal is that relaying carries out telephone communication with satellite with the buoy base station；
The buoy base station includes buoy float, bastion host, radio communication equipment, integrated service gateway and base station energy converter；
The bastion host, radio communication equipment and integrated service gateway water tight enclosure are in buoy float；The integrated service gateway
It is electrically connected between the bastion host and the radio communication equipment, establishes and defend by the radio communication equipment
The wireless communication of star connects；The bastion host and energy converter pass through the watertight connector being arranged on buoy float and are electrically connected；
The portable underwater telephone terminal includes waterproof mask, end host, terminal transducer and battery pack；The terminal master
Machine is electrically connected with the waterproof mask, the terminal transducer and the battery pack respectively；
Earphone, microphone and PTT button, the earphone, microphone and PTT button and the end are provided on the waterproof mask
End main frame electrical connection；
It is communicated between the buoy base station and portable underwater telephone terminal using underwater sound communication mode.
2. system according to claim 1, which is characterized in that the bastion host has transmitting and receive capabilities；
Emitting portion is received by analog voice interface, by differential-to-single-ended circuit, generates single-ended signal, the single-ended signal
Small signal is transformed to big signal by simulation pretreatment and amplifying circuit, is then turned by the A/D converter of bastion host MCU
It is changed to digital signal, digitized voice signal is modulated to a certain frequency using the single sideband modulation of bastion host MCU
On carrier wave, simulation single sideband singal is then converted by the D/A of bastion host MCU, is filtered using smoothing filter
Processing converts electrical signals into acoustical signal finally by energy converter power amplifier driving energy converter and launches；
Receiving portion, the uplink acoustical signal from portable underwater telephone terminal, is converted into electric signal by energy converter, by by
The signal conditioning circuit of analog signal interface, simulation pretreatment and amplifying circuit composition completes signal processing, then passes through base station master
The A/D conversion of machine MCU becomes digital signal, carries out single sideband demodulation to the signal received using bastion host MCU, finally
Voice signal is restored by the D/A of bastion host MCU, is handled using smothing filtering, single-ended transfer difference circuit, finally
Integrated service gateway is transmitted to by analog voice interface.
3. system according to claim 1, which is characterized in that the end host has transmitting and receive capabilities；
Voice signal is converted into analog voice signal by Mike by emitting portion, then by simulation pretreatment and amplification electricity
Small signal is transformed to big signal by road, then digital signal is converted by the A/D of end host MCU, using terminal master
The single sideband modulation of machine MCU is modulated to digitized voice signal on the carrier wave of a certain frequency, then passes through end host MCU
D/A be converted into simulation single sideband singal, finally by energy converter power amplifier driving energy converter convert the electrical signal to acoustical signal
Launch.
The acoustical signal received is converted into electric signal by receiving portion, energy converter, will be small by simulation pretreatment and amplifying circuit
Signal is transformed to big signal, then becomes digital signal by the A/D conversion of end host MCU, then by MCU to receiving
Signal carry out single sideband demodulation, restore analog signal finally by the D/A of end host MCU, by smoothed filter circuit into
Row processing drives earphone to be converted to voice signal by earphone power amplifier；
End host MCU further connects speech chip, and speech chip connects earphone power amplifier, speech chip pre-stored voice menu.
4. system according to claim 1, which is characterized in that two hard contacts of setting and insulation on the outside of the end host
Cap, described two hard contacts are connect with the detection module inside the end host respectively, when the portable underwater phone
When terminal is immersed in the water, two hard contacts establish connecting path as conductor by water, and the detection module detects two
Current signal between hard contact then starts the portable underwater telephone terminal；When the use insulator cap will be any one
When a metal dots cover, the detection module detects no signal current between two hard contacts, then by the portable water
Lower telephone terminal is closed, at this point, removal insulator cap, then connect recovery, the detection module is whole by the portable underwater phone
End starting.
5. system according to claim 1, which is characterized in that the waterproof mask is inactive component.
6. a kind of portable underwater method relating to telephone communications based on buoy base, which is characterized in that any one using claim 1-5
System described in, is communicated between the buoy base station and the portable underwater telephone terminal by energy converter, described
It is communicated between buoy base station and satellite using radio, detailed process includes the following steps:
After the portable underwater telephone terminal enters water, by detecting the current signal between the hard contact, starting is described just
Formula underwater telephone terminal is taken, initialization is completed；
The portable underwater telephone terminal and the buoy base station, which are established, to be communicated to connect；
When needing to restart the portable underwater telephone terminal, any one metal dots is covered using the insulator cap, then
The insulator cap is removed, restarting for the portable underwater telephone terminal is completed；
When needing to withdraw, when the portable underwater telephone terminal returns to the water surface, the access established between the hard contact is disconnected
It opens, the portable underwater telephone terminal automatic shutdown.
7. communication means according to claim 6, which is characterized in that the initialization procedure includes the following steps:
The remaining capacity of step 1.1, end host detection current battery, and carry out voice broadcast；
Step 1.2, the end host carry out voice broadcast by earphone, mention using the voice menu prestored in speech chip
Show the setting portable underwater telephone terminal radiation pattern and communication channel, and according to the information fed back in waterproof mask, really
Determine the radiation pattern and communication channel that user selectes；
Step 1.3, the end host carry out voice broadcast by earphone, mention using the voice menu prestored in speech chip
Whether showing the volume and noise elimination functional switch that earphone is listened in the setting waterproof mask, and is determined and used according to PTT button state
What family was selected listens to volume and whether opens noise elimination function.
8. communication means according to claim 6, which is characterized in that the radiation pattern in the step 1.2 includes voice
Mode and keystroke pattern；The speech pattern is acquisition speech volume, and by judging whether the threshold value more than setting, confirmation is
No is diver's voice messaging, if it is opens transmitting；The keystroke pattern is PTT key setting transmitting or receives, long-pressing
The above are requests to emit in 1 second for PTT key, hence into emission state, unclamps PTT key 0.5 second and enters reception state.
9. communication means according to claim 6, which is characterized in that earphone noise elimination function includes "high" in the step 6
Two grades of " low ".
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811585105.2A CN109743097A (en) | 2018-12-24 | 2018-12-24 | A kind of portable underwater telephonic communication system and method based on buoy base |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811585105.2A CN109743097A (en) | 2018-12-24 | 2018-12-24 | A kind of portable underwater telephonic communication system and method based on buoy base |
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| CN109743097A true CN109743097A (en) | 2019-05-10 |
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| CN201811585105.2A Pending CN109743097A (en) | 2018-12-24 | 2018-12-24 | A kind of portable underwater telephonic communication system and method based on buoy base |
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| CN113162700A (en) * | 2021-05-14 | 2021-07-23 | 大连理工大学 | Information forwarding control method and system for underwater long-wave communication relay station |
| CN114363117A (en) * | 2021-12-13 | 2022-04-15 | 武汉船舶通信研究所（中国船舶重工集团公司第七二二研究所） | Wireless subnetwork heterogeneous interconnection method and system |
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