CN114124244A - Data transmission device and method based on ultrasonic focusing mode - Google Patents

Data transmission device and method based on ultrasonic focusing mode Download PDF

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Publication number
CN114124244A
CN114124244A CN202111622455.3A CN202111622455A CN114124244A CN 114124244 A CN114124244 A CN 114124244A CN 202111622455 A CN202111622455 A CN 202111622455A CN 114124244 A CN114124244 A CN 114124244A
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ultrasonic
signal
data
receiving
array
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CN202111622455.3A
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刘成成
韩帅
李博艺
刘欣
他得安
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Fudan University
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Fudan University
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B11/00Transmission systems employing sonic, ultrasonic or infrasonic waves

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  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)

Abstract

The invention provides a data transmission device based on an ultrasonic focusing mode, which is characterized by comprising the following components: a data transmitting end and a data receiving end. The data transmitting end comprises: and the encoder is used for encoding the data to be transmitted. And the array control module is used for converting the parallel control electric signals. And the power amplification module is used for amplifying the parallel control electric signals. And the ultrasonic probe array is used for converting the parallel control electric signals into ultrasonic signals and transmitting the ultrasonic signals. The data receiving end comprises: and the m receiving probes are used for receiving the ultrasonic signals. And the extraction circuit module is used for extracting the received electric signals. And the signal amplification module is used for amplifying the extracted signal. And the decoder is used for decoding the amplified coded signal to obtain data. The invention provides a data transmission method based on an ultrasonic focusing mode.

Description

Data transmission device and method based on ultrasonic focusing mode
Technical Field
The invention relates to a data transmission device and method based on an ultrasonic focusing mode.
Background
The number of devices relying on electromagnetic wave communication is increased, the electromagnetic environment around people is more and more complex, electromagnetic frequency band resources are more and more tense, and the problem of congested electromagnetic frequency bands can be solved by using an ultrasonic wireless communication method. Ultrasonic focusing is a method for converging ultrasonic energy at a focus through an ultrasonic array, energy convergence at the focus can be realized by the method, and the energy at the focus can be improved by increasing the number of probes, so that the data transmission quality is improved.
Therefore, the method for generating a plurality of focuses by the ultrasonic array to communicate at the receiving probe can realize the advantages of parallel data transmission, long transmission distance and high signal-to-noise ratio.
Disclosure of Invention
In order to solve the problems, the invention provides a data transmission device and a data transmission method based on an ultrasonic focusing mode, and adopts the following technical scheme:
the invention provides a data transmission device based on an ultrasonic focusing mode, which is characterized by comprising the following components: a data transmitting end and a data receiving end. The data transmitting end comprises: and the encoder is used for encoding the data to be transmitted to obtain the serial control electric signal containing corresponding data information. And the array control module is used for converting the serial control electric signals into parallel control electric signals. And the power amplification module is used for amplifying the parallel control electric signals. And the ultrasonic probe array is used for converting the amplified parallel control electric signals into ultrasonic signals. The data receiving end comprises: and the m receiving probes are used for receiving the ultrasonic signals and converting the ultrasonic signals into receiving electric signals. And the extraction circuit module is used for extracting the received electric signal to obtain an encoding signal containing data information. And the signal amplification module is used for amplifying the coded signal. And the decoder is used for decoding the amplified coded signal to obtain data. The power amplification module is respectively electrically connected with the array control module and the ultrasonic probe array. The array control module is electrically connected with the encoder. The extraction circuit module is respectively and electrically connected with the m receiving probes and the signal amplification module. The m receiving probes are placed at the focal points of the ultrasound probe array. The signal amplification module is electrically connected with the decoder.
The data transmission device based on the ultrasonic focusing mode provided by the invention can also have the technical characteristics that one receiving probe in m receiving probes is used for receiving the synchronous control signal, and the rest (m-1) receiving probes are used for receiving the ultrasonic signal.
The data transmission device based on the ultrasonic focusing mode provided by the invention can also have the technical characteristics that the encoder encodes data to obtain (m-1) binary data, then the high bit and the low bit of the (m-1) binary data are respectively converted into binary codes corresponding to (m-1) probes, when the binary codes are 0, the ultrasonic energy at the corresponding focus of the ultrasonic probe array disappears, and when the binary codes are 1, the ultrasonic energy at the corresponding focus of the ultrasonic probe array is opened.
The data transmission device based on the ultrasonic focusing mode provided by the invention can also have the technical characteristics that the ultrasonic probe array is an array consisting of n ultrasonic transducers, and n is more than m.
The invention provides a data transmission method based on an ultrasonic focusing mode, which is characterized by comprising the following steps: and step S1, encoding the data to be transmitted by using the encoder to obtain a serial control electric signal containing data information. In step S2, the serial control electrical signal is converted into a parallel control electrical signal by the array control module. And step S3, amplifying the parallel control electric signals by using a power amplification module. And step S4, converting the amplified parallel control electric signal into an ultrasonic signal by using the ultrasonic probe array. Step S5, receiving the ultrasound signals with the m receiving probes and converting them into received electrical signals. And step S6, extracting the received electric signal by using the extraction circuit module to obtain an encoding signal containing data information. And step S7, amplifying the coded signal by using the signal amplification module. In step S8, the decoder decodes the amplified encoded signal to obtain data. The power amplification module is respectively electrically connected with the array control module and the ultrasonic probe array. The array control module is electrically connected with the encoder. The extraction circuit module is respectively and electrically connected with the m receiving probes and the signal amplification module. The signal amplification module is electrically connected with the decoder.
Action and Effect of the invention
According to the data transmission device and method based on the ultrasonic focusing mode, firstly, n ultrasonic transducers are adopted in an ultrasonic probe array at a data sending end, amplified parallel control electric signals are converted into ultrasonic signals to be sent out, the signal sending intensity is enhanced by utilizing an ultrasonic focusing means, the transmission distance is increased, and meanwhile, a parallel communication method is realized.
And the data receiving end adopts m receiving probes to be placed at the focus of the ultrasonic probe array, so that the ultrasonic signals are received, and meanwhile, the low electromagnetic radiation is utilized, so that the data receiving end has strong environmental electromagnetic interference resistance and has a long transmission distance compared with the same single receiving probe.
Drawings
Fig. 1 is a schematic structural diagram of a data transmission device based on an ultrasonic focusing mode in an embodiment of the present invention;
fig. 2 is a flowchart of a data transmission method based on an ultrasonic focusing method in an embodiment of the present invention.
Detailed Description
In order to make the technical means, creation features, achievement objects and effects of the present invention easy to understand, a data transmission device and method based on an ultrasonic focusing mode of the present invention will be described in detail with reference to the following embodiments and accompanying drawings.
< example >
Fig. 1 is a schematic structural diagram of a data transmission device based on an ultrasonic focusing mode in an embodiment of the present invention.
As shown in fig. 1, the data transmission device 100 based on the ultrasonic focusing method in this embodiment includes a data sending end 1 and a data receiving end 2.
The data transmitting terminal 1 includes an encoder 11, an array control module 12, a power amplification module 13, and an ultrasound probe array 14.
The encoder 11 is electrically connected to the array control module 12, and is configured to encode data to be transmitted, obtain a serial control electrical signal containing corresponding data information, and transmit the signal to the array control module 12.
In this embodiment, the encoder 11 encodes data to be transmitted to obtain (m-1) binary data, and then converts the high bits and the low bits of the (m-1) binary data into binary codes corresponding to (m-1) probes, respectively, when the binary codes are 0, the ultrasonic energy at the focus corresponding to the ultrasonic probe array 14 disappears, and when the binary codes are 1, the ultrasonic energy at the focus corresponding to the ultrasonic probe array 14 is turned on. For example, 9 receiving probes and the data to be transmitted are decimal (100), the encoder 11 encodes the decimal data (100) to obtain octal data (144), and then converts the octal data (144) to binary data (00000100,00000100,00000001).
The array control module 12 is electrically connected to the power amplification module 13, and the array control module 12 receives the serial control electrical signal, converts the serial control electrical signal into a parallel control electrical signal, and transmits the parallel control electrical signal to the power amplification module 13.
The power amplification module 13 is respectively electrically connected with the array control module 12 and the ultrasonic probe array 14, and the power amplification module 13 amplifies the parallel control electrical signals and transmits the amplified signals to the ultrasonic probe array 14.
The ultrasound probe array 14 is an array of n ultrasound transducers (not shown in the figure). The ultrasonic probe array 14 converts the amplified parallel control electrical signal into an ultrasonic signal, and transmits the ultrasonic signal.
The data receiving end 2 comprises m receiving probes 21, an extraction circuit module 22, a signal amplification module 23 and a decoder 24.
The m reception probes 21 are placed at the focal points of the ultrasound probe array 14 for receiving the ultrasound signals and converting the ultrasound signals into reception electric signals. Wherein the number m of receiving probes is less than n.
One of the m receiving probes 21 is used to receive the synchronization control signal, and the remaining (m-1) receiving probes are used to receive the ultrasound signal. When the received synchronous control signal is 1, the moment is an effective moment, and the ultrasonic signals received by other m-1 probes are taken as effective signals
The extraction circuit module 22 is electrically connected to the m receiving probes 21 and the signal amplification module 23, respectively, and the extraction circuit module 22 extracts the received electrical signals to obtain coded signals containing data information.
The signal amplification module 23 is electrically connected to the extraction circuit module 22 and the decoder 24, respectively, and the signal amplification module 23 amplifies the encoded signal and transmits the amplified encoded signal to the decoder 24.
The decoder 24 is electrically connected to the signal amplification module 23, and the decoder 24 decodes the amplified encoded signal to obtain data.
Fig. 2 is a flowchart of a data transmission method based on an ultrasonic focusing method in an embodiment of the present invention.
As shown in fig. 2, the present embodiment further provides a data transmission method based on an ultrasound focusing method, including the following steps:
in step S1, the encoder 11 is used to encode the data to be transmitted, and a serial control electrical signal containing data information is obtained.
In step S2, the serial control electrical signal is converted into a parallel control electrical signal by the array control module 12.
In step S3, the parallel control electrical signal is amplified by the power amplification module 13.
In step S4, the amplified parallel control electrical signal is converted into an ultrasound signal by the ultrasound probe array 14.
In step S5, the ultrasound signals are received by the m reception probes 21 and converted into reception electrical signals.
In step S6, the extraction circuit module 22 extracts the received electrical signal to obtain an encoded signal containing data information.
In step S7, the encoded signal is amplified by the signal amplification module 23.
In step S8, the decoder 24 decodes the amplified coded signal to obtain data.
Examples effects and effects
According to the data transmission device and method based on the ultrasonic focusing mode provided by the embodiment, firstly, n ultrasonic transducers are adopted in the ultrasonic probe array at the data sending end in the embodiment, the amplified parallel control electric signal is converted into an ultrasonic signal to be sent out, the signal sending intensity is enhanced by utilizing an ultrasonic focusing means, the transmission distance is increased, and meanwhile, the parallel communication method is realized.
Secondly, the data receiving end in this embodiment adopts m receiving probes to place at the focus of the ultrasonic probe array, which increases the receiving of ultrasonic signals, and utilizes low electromagnetic radiation, which has strong anti-environmental electromagnetic interference capability and a longer transmission distance compared with the same single receiving probe.
The above-described embodiments are merely illustrative of specific embodiments of the present invention, and the present invention is not limited to the description of the above-described embodiments.

Claims (5)

1. A data transmission device based on an ultrasonic focusing mode is characterized by comprising:
a data sending end and a data receiving end,
the data sending end comprises:
the encoder is used for encoding data to be transmitted to obtain a serial control electric signal containing corresponding data information;
the array control module is used for converting the serial control electric signals into parallel control electric signals;
the power amplification module is used for amplifying the parallel control electric signals;
an ultrasonic probe array for converting the amplified parallel control electrical signal into an ultrasonic signal,
the data receiving end comprises:
the m receiving probes are used for receiving the ultrasonic signals and converting the ultrasonic signals into receiving electric signals;
the extraction circuit module is used for extracting the received electric signal to obtain a coded signal containing data information;
the signal amplification module is used for amplifying the coded signal;
a decoder for decoding the amplified encoded signal to obtain the data,
wherein the power amplification module is respectively electrically connected with the array control module and the ultrasonic probe array,
the array control module is electrically connected with the encoder,
the extraction circuit module is respectively electrically connected with the m receiving probes and the signal amplification module,
the m receiving probes are placed at the focal points of the ultrasound probe array,
the signal amplification module is electrically connected with the decoder.
2. The data transmission device based on the ultrasonic focusing mode as claimed in claim 1, wherein:
wherein one of the m receiving probes is configured to receive a synchronization control signal, and the remaining (m-1) receiving probes are configured to receive the ultrasound signal.
3. The data transmission device based on the ultrasonic focusing mode as claimed in claim 1, wherein:
the encoder encodes the data to obtain (m-1) binary data, then the high bits and the low bits of the (m-1) binary data are respectively converted into binary codes corresponding to the (m-1) probes, when the binary codes are 0, the ultrasonic energy at the corresponding focus of the ultrasonic probe array disappears, and when the binary codes are 1, the ultrasonic energy at the corresponding focus of the ultrasonic probe array is opened.
4. The data transmission device based on the ultrasonic focusing mode as claimed in claim 1, wherein:
wherein the ultrasonic probe array is an array consisting of n ultrasonic transducers, and n is more than m.
5. A data transmission method based on an ultrasonic focusing mode is characterized by comprising the following steps:
step S1, encoding the data to be transmitted by using an encoder to obtain a serial control electric signal containing data information;
step S2, converting the serial control electric signal into a parallel control electric signal by using an array control module;
step S3, amplifying the parallel control electric signal by using a power amplification module;
step S4, converting the amplified parallel control electric signal into an ultrasonic signal by using an ultrasonic probe array;
step S5, receiving ultrasonic signals by using m receiving probes, and converting the ultrasonic signals into receiving electric signals;
step S6, extracting the received electrical signal by using an extraction circuit module to obtain a coded signal containing data information;
step S7, amplifying the coded signal by using a signal amplification module;
step S8, decoding the amplified encoded signal by a decoder to obtain the data.
Wherein the power amplification module is respectively electrically connected with the array control module and the ultrasonic probe array,
the array control module is electrically connected with the encoder,
the extraction circuit module is respectively electrically connected with the m receiving probes and the signal amplification module,
the signal amplification module is electrically connected with the decoder.
CN202111622455.3A 2021-12-28 2021-12-28 Data transmission device and method based on ultrasonic focusing mode Pending CN114124244A (en)

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030188582A1 (en) * 2002-03-29 2003-10-09 Ge Yokogawa Medical Systems, Limited Method of driving two-dimensional array ultrasonic probe, and ultrasonic diagnostic apparatus
CN107280707A (en) * 2017-06-20 2017-10-24 天津大学 The phased array supersonic focusing system being imaged for acoustic-electric
CN108594714A (en) * 2018-05-18 2018-09-28 南京大学 A kind of acquisition and the pretreatment system of restructural echo impulse and photoacoustic signal
CN111769885A (en) * 2020-06-29 2020-10-13 北京小米移动软件有限公司 Ultrasonic data transmission method, device, system, terminal equipment and medium
CN113098628A (en) * 2021-03-24 2021-07-09 华中科技大学 Structural sound field communication method and system
CN216721338U (en) * 2021-12-28 2022-06-10 复旦大学 Data transmission system based on ultrasonic focusing mode

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030188582A1 (en) * 2002-03-29 2003-10-09 Ge Yokogawa Medical Systems, Limited Method of driving two-dimensional array ultrasonic probe, and ultrasonic diagnostic apparatus
CN107280707A (en) * 2017-06-20 2017-10-24 天津大学 The phased array supersonic focusing system being imaged for acoustic-electric
CN108594714A (en) * 2018-05-18 2018-09-28 南京大学 A kind of acquisition and the pretreatment system of restructural echo impulse and photoacoustic signal
CN111769885A (en) * 2020-06-29 2020-10-13 北京小米移动软件有限公司 Ultrasonic data transmission method, device, system, terminal equipment and medium
CN113098628A (en) * 2021-03-24 2021-07-09 华中科技大学 Structural sound field communication method and system
CN216721338U (en) * 2021-12-28 2022-06-10 复旦大学 Data transmission system based on ultrasonic focusing mode

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