CN113938734A - Smart television control method, device and equipment based on radar and storage medium - Google Patents
Smart television control method, device and equipment based on radar and storage medium Download PDFInfo
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- CN113938734A CN113938734A CN202111194984.8A CN202111194984A CN113938734A CN 113938734 A CN113938734 A CN 113938734A CN 202111194984 A CN202111194984 A CN 202111194984A CN 113938734 A CN113938734 A CN 113938734A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/422—Input-only peripherals, i.e. input devices connected to specially adapted client devices, e.g. global positioning system [GPS]
- H04N21/4227—Providing Remote input by a user located remotely from the client device, e.g. at work
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
- G01S13/04—Systems determining presence of a target
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/88—Radar or analogous systems specially adapted for specific applications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
- G01S7/41—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00 using analysis of echo signal for target characterisation; Target signature; Target cross-section
- G01S7/415—Identification of targets based on measurements of movement associated with the target
Abstract
The invention discloses a radar-based smart television control method, device, equipment and storage medium. The method comprises the following steps: sending electromagnetic waves to a preset area, receiving echo signals corresponding to the electromagnetic waves, and preprocessing the echo signals to obtain target signals; judging whether a moving target exists in a preset area or not according to the target signal, and generating a corresponding target level signal according to a judgment result; and generating a television state control instruction according to the level signal type of the target level signal, and responding to the television state control instruction. Compared with the existing mode that the television can only be controlled by sending an instruction through equipment such as a remote controller, the mode can realize automatic control of the television, meet the pursuit of a user on intellectualization and improve the user experience.
Description
Technical Field
The invention relates to the technical field of smart home, in particular to a radar-based smart television control method, device, equipment and storage medium.
Background
In the 21 st century, with the development of artificial intelligence technology, the demand of users for television intellectualization is higher and higher, so that the sensor technology is widely applied to televisions, particularly, the technologies of voice recognition, image recognition and the like play an important role in televisions, and various intelligent services are created for users, for example, most of the current startup awakenings of televisions are awakened by remote controllers, and few of the current startup awakenings are awakened by voices, which do not realize the intellectualization pursued by users in essence.
The above is only for the purpose of assisting understanding of the technical aspects of the present invention, and does not represent an admission that the above is prior art.
Disclosure of Invention
The invention mainly aims to provide a radar-based intelligent television control method, a radar-based intelligent television control device, radar-based intelligent television control equipment and a storage medium, and aims to solve the technical problem that in the prior art, a television can only be controlled by sending an instruction through equipment such as a remote controller and the like, but the intelligent requirement of a user on the television cannot be met.
In order to achieve the above object, the present invention provides a radar-based smart television control method, which includes the following steps:
sending electromagnetic waves to a preset area, receiving echo signals corresponding to the electromagnetic waves, and preprocessing the echo signals to obtain target signals;
judging whether a moving target exists in the preset area or not according to the target signal, and generating a corresponding target level signal according to a judgment result;
and generating a television state control instruction according to the level signal type of the target level signal, and responding to the television state control instruction.
Optionally, the step of generating a television state control instruction according to the level signal type of the target level signal and responding to the television state control instruction includes:
acquiring the level signal type of the target level signal;
when the level signal type is high level, generating a television starting instruction and judging whether the current state is in a starting state;
and when the current state is the starting state, keeping the starting state.
Optionally, after the step of obtaining the level signal type of the target level signal, the method further includes:
and when the type of the level signal is low level, generating a state maintaining instruction and responding to the state maintaining instruction.
Optionally, after the step of generating a television power-on instruction and determining whether the current state is in the power-on state when the level signal type is the high level, the method further includes:
when the current state is not in the starting state, timing is started;
and when the timing duration reaches the preset duration, returning to the step of sending the electromagnetic waves to the preset area and receiving echo signals corresponding to the electromagnetic waves, and preprocessing the echo signals to obtain target signals.
Optionally, after the step of generating a state maintaining instruction and responding to the state maintaining instruction when the type of the level signal is low level, the method further includes:
acquiring a preset number of historical control instructions;
judging whether the historical control instructions are all maintaining instructions;
when the historical control instructions are all maintaining instructions, timing is started and preset prompt information is displayed;
and if the user is not detected to feed back based on the preset prompt information and the timing time reaches the preset time, adjusting the current state to be the standby state.
Optionally, the target level signal comprises a high level signal and a low level signal; the step of judging whether a moving target exists in the preset area according to the target signal and generating a corresponding target level signal according to a judgment result comprises the following steps:
comparing the target signal with a preset low-frequency alternating current signal to obtain a comparison result;
judging whether a moving target exists in the preset area or not according to the comparison result;
generating a high level signal when the moving target exists;
generating a low level signal when the moving target is not present.
Optionally, before the step of sending an electromagnetic wave to a preset region and receiving an echo signal corresponding to the electromagnetic wave, and preprocessing the echo signal to obtain a target signal, the method further includes:
acquiring a preset recommended viewing distance and configuration information set by a user;
and determining a preset area according to the preset recommended viewing distance and the configuration information.
In addition, in order to achieve the above object, the present invention further provides a radar-based smart tv control apparatus, including:
the device comprises an electromagnetic wave sending module, a target signal generating module and a data processing module, wherein the electromagnetic wave sending module is used for sending electromagnetic waves to a preset area, receiving echo signals corresponding to the electromagnetic waves, and preprocessing the echo signals to obtain the target signal;
the judging module is used for judging whether a moving target exists in the preset area according to the target signal and generating a corresponding target level signal according to a judging result;
and the response module is used for generating a television state control instruction according to the level signal type of the target level signal and responding to the television state control instruction.
In addition, in order to achieve the above object, the present invention further provides a smart television control device based on radar, including: the system comprises a memory, a processor and a radar-based smart television control program stored on the memory and executable on the processor, wherein the radar-based smart television control program is configured to implement the steps of the radar-based smart television control method.
In addition, in order to achieve the above object, the present invention further provides a storage medium, wherein the storage medium stores a radar-based smart tv control program, and the radar-based smart tv control program implements the steps of the radar-based smart tv control method when executed by a processor.
The method comprises the steps of sending electromagnetic waves to a preset area, receiving echo signals corresponding to the electromagnetic waves, preprocessing the echo signals and obtaining target signals; judging whether a moving target exists in the preset area or not according to the target signal, and generating a corresponding target level signal according to a judgment result; and generating a television state control instruction according to the level signal type of the target level signal, and responding to the television state control instruction. Compared with the existing mode that the television can only be controlled by sending an instruction through equipment such as a remote controller, the mode can realize automatic control of the television, meet the pursuit of a user on intellectualization and improve the user experience.
Drawings
Fig. 1 is a schematic structural diagram of a radar-based smart television control device of a hardware operating environment according to an embodiment of the present invention;
fig. 2 is a schematic flowchart of a first embodiment of a radar-based smart television control method according to the present invention;
fig. 3 is a schematic flowchart of a second embodiment of the radar-based smart television control method according to the present invention;
fig. 4 is a block diagram of a first embodiment of the radar-based smart tv control apparatus according to the present invention.
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1, fig. 1 is a schematic structural diagram of a radar-based smart television control device in a hardware operating environment according to an embodiment of the present invention.
As shown in fig. 1, the radar-based smart tv control apparatus may include: a processor 1001, such as a Central Processing Unit (CPU), a communication bus 1002, a user interface 1003, a network interface 1004, and a memory 1005. Wherein a communication bus 1002 is used to enable connective communication between these components. The user interface 1003 may include a Display screen (Display), an input unit such as a Keyboard (Keyboard), and the optional user interface 1003 may also include a standard wired interface, a wireless interface. The network interface 1004 may optionally include a standard wired interface, a Wireless interface (e.g., a Wireless-Fidelity (WI-FI) interface). The Memory 1005 may be a Random Access Memory (RAM) or a Non-Volatile Memory (NVM), such as a disk Memory. The memory 1005 may alternatively be a storage device separate from the processor 1001.
Those skilled in the art will appreciate that the configuration shown in fig. 1 does not constitute a limitation of the radar-based smart television control device and may include more or fewer components than those shown, or some components in combination, or a different arrangement of components.
As shown in fig. 1, a memory 1005, which is a storage medium, may include therein an operating system, a network communication module, a user interface module, and a radar-based smart tv control program.
In the radar-based smart tv control apparatus shown in fig. 1, the network interface 1004 is mainly used for data communication with a network server; the user interface 1003 is mainly used for data interaction with a user; the processor 1001 and the memory 1005 of the radar-based smart television control device may be arranged in the radar-based smart television control device, and the radar-based smart television control device calls the radar-based smart television control program stored in the memory 1005 through the processor 1001 and executes the radar-based smart television control method provided by the embodiment of the invention.
Based on the foregoing smart television control apparatus based on radar, an embodiment of the present invention provides a smart television control method based on radar, and referring to fig. 2, fig. 2 is a schematic flowchart of a first embodiment of the smart television control method based on radar in the present invention.
In this embodiment, the radar-based smart television control method includes the following steps:
step S10: sending electromagnetic waves to a preset area, receiving echo signals corresponding to the electromagnetic waves, and preprocessing the echo signals to obtain target signals.
It should be noted that the execution main body of the embodiment may be a computing service device with data processing, network communication and program running functions, such as a mobile phone, a tablet computer, a personal computer, etc., or an electronic device or a smart television with a radar module, which can implement the above functions. The present embodiment and each of the following embodiments will be described below with reference to a television as an example.
It should be noted that the preset area may be a recommended viewing range that can guarantee the viewing effect of watching the television, and in this range, the viewing experience of the user is the best. The electromagnetic wave may be a low-power electromagnetic wave of a specific frequency emitted by a radar sensing module of the television set. The echo signal may be an echo signal reflected by a part of the object received by a receiving antenna in the radar sensing module. The preprocessing of the echo signal may be a series of processing such as filtering, mixing, amplifying, etc. performed on the received echo signal by the radar chip. The processed signal, i.e. the target signal, is obtained.
Further, in order to improve the experience of the user and the intelligence of the television, before the step S10, the method further includes the steps of: acquiring a preset recommended viewing distance and configuration information set by a user; and determining a preset area according to the preset recommended viewing distance and the configuration information.
It should be noted that the preset recommended viewing distance may be an optimal viewing distance obtained by integrating parameters such as the screen size of the television. The configuration information may be information such as a viewing position or sensitivity of a radar, which is set by a user and is generally selected when the user watches a television. Determining the preset region according to the preset recommended viewing distance and the configuration information may be that if the distance between the viewing position set by the user and the television is within the preset recommended viewing distance, the viewing position set by the user is set as the preset region, and if the distance between the viewing position set by the user and the television exceeds the preset recommended viewing distance, a prompt message is sent to remind the user that the position is not suitable for viewing, and the viewing position can be selected to be re-determined or adjusted.
In specific implementation, the television sends out low-power electromagnetic waves with specific frequency to a preset area through the radar sensing module, and receives echo signals reflected by partial objects through the receiving antenna. And carrying out a series of processing such as filtering, frequency mixing, amplification and the like on the received echo signal through a radar chip. The processed signal, i.e. the target signal, is obtained.
Step S20: and judging whether a moving target exists in the preset area or not according to the target signal, and generating a corresponding target level signal according to a judgment result.
It should be noted that the moving target may be an object moving within the preset area. The determination result may be a result of whether or not a moving target exists in the preset area. The generating of the corresponding target level signal according to the determination result may be generating a level signal that can identify that a moving target exists in a preset region if the moving target exists, or generating a level signal that can identify that the moving target does not exist in the preset region if the moving target does not exist.
Further, the step S20 may include: comparing the target signal with a preset low-frequency alternating current signal to obtain a comparison result; judging whether a moving target exists in the preset area or not according to the comparison result; generating a high level signal when the moving target exists; generating a low level signal when the moving target is not present.
It should be noted that the preset low-frequency ac signal may be a signal obtained by processing an echo signal received last time. By comparing the signal processed this time with the signal received last time, whether a moving target exists in the preset area can be determined, and if no moving target exists, the two-time signal comparison result is that the signals are consistent. If a moving object exists, the received echo signal is inconsistent with the last time due to the existence of the moving object. And then whether a moving target exists in the preset area can be determined according to the difference of the processing results of the two echo signals. Generating a high level signal when the moving target exists; generating a low level signal when the moving target is not present.
In specific implementation, the single chip microcomputer of the television compares a target signal with a preset low-frequency alternating current signal, and if the comparison result is that the signals are consistent. Then no moving object is present and a low level signal is generated. If the comparison result is that the signals are inconsistent. It is judged that the moving object exists and a high level signal is generated.
Step S30: and generating a television state control instruction according to the level signal type of the target level signal, and responding to the television state control instruction.
It should be noted that, the generating of the television state control instruction according to the level signal type of the target level signal may be generating a power-on instruction if the level signal type of the target level signal is a high level. And if the level signal type of the target level signal is low level, generating a shutdown instruction or maintaining a current instruction.
In a specific implementation, the television detects a level signal type of the target level signal, and generates a power-on command if the level signal type of the target level signal is a high level. And if the level signal type of the target level signal is low level, generating a shutdown instruction or maintaining a current instruction. And when the television state control instruction is a starting instruction, controlling the television to start.
The embodiment sends electromagnetic waves to a preset area, receives echo signals corresponding to the electromagnetic waves, and preprocesses the echo signals to obtain target signals; judging whether a moving target exists in the preset area or not according to the target signal, and generating a corresponding target level signal according to a judgment result; and generating a television state control instruction according to the level signal type of the target level signal, and responding to the television state control instruction. Compared with the existing mode that the television is controlled only by sending an instruction through equipment such as a remote controller, the mode of the embodiment can realize automatic control of the television, meet the pursuit of a user on intellectualization, and improve the user experience.
Referring to fig. 3, fig. 3 is a flowchart illustrating a second embodiment of a radar-based smart tv control method according to the present invention.
Based on the first embodiment described above, in the present embodiment, the step S30 includes:
step S301: and acquiring the level signal type of the target level signal.
It should be noted that the level signal types include a high level signal and a low level signal.
Further, in order to meet the intelligent requirement of the user on the television, after the step S301, the method further includes a step S3011: and when the type of the level signal is low level, generating a state maintaining instruction and responding to the state maintaining instruction.
It should be noted that, when the type of the level signal is a low level, that is, no moving target is detected in the preset area, the preset area may not have a user, or the user may not move or perform some actions, at this time, a state maintaining instruction may be generated to maintain the current state of the television.
Further, in order to meet the intelligent requirement of the user on the television, after the step S3011, the method further includes the step of obtaining a preset number of historical control instructions; judging whether the historical control instructions are all maintaining instructions; when the historical control instructions are all maintaining instructions, timing is started and preset prompt information is displayed; and if the user is not detected to feed back based on the preset prompt information and the timing time reaches the preset time, adjusting the current state to be the standby state.
It should be noted that the preset number may be a custom number. The history control instruction may be a control instruction generated by the history of the television, and the preset prompt information may be preset prompt information for prompting a user to control the television to enter a standby state if the user does not feed back an action in time.
It should be understood that, if the radar detection module detects that no moving target exists in the preset area for a long time, or the detection results of multiple times all indicate that no moving target exists in the preset area, the television can be controlled to enter a standby state or a power-off state.
Step S302: and when the type of the level signal is high level, generating a television starting instruction and judging whether the current state is in a starting state.
It should be noted that the current state may be a current state of the television, and may include a power-on state, a standby state, a power-off state, and the like.
In a specific implementation, when the level signal type is a high level, the television generates a television power-on instruction, and determines whether the current state is in a power-on state.
Further, in order to meet the intelligent requirement of the user on the television, after the step S302, the method further includes the step of starting timing when the current state is not in the power-on state; and when the timing duration reaches the preset duration, returning to the step of sending the electromagnetic waves to the preset area and receiving echo signals corresponding to the electromagnetic waves, and preprocessing the echo signals to obtain target signals.
It should be noted that the preset duration may be a countdown duration set by the user, and this step is to filter out users who only pass through the preset area and keep users who really have a requirement for watching tv. And when the timing duration reaches the preset duration, returning to the step of sending the electromagnetic waves to the preset area and receiving echo signals corresponding to the electromagnetic waves, and preprocessing the echo signals to obtain target signals. And determining the control instruction of the television again, if the control instruction is still the starting instruction, judging that the moving target triggering the generation of the starting instruction is a user with watching desire, and responding to the starting instruction.
Step S303: and when the current state is the starting state, keeping the starting state.
It should be noted that, when the current control instruction is a television boot instruction and the current state is the boot state, the boot step does not need to be executed again, and the boot state is maintained.
The embodiment acquires the level signal type of the target level signal; when the level signal type is high level, generating a television starting instruction and judging whether the current state is in a starting state; and when the current state is the starting state, keeping the starting state. And when the type of the level signal is low level, generating a state maintaining instruction and responding to the state maintaining instruction. In the embodiment, the television control instruction is generated according to the type of the level signal, so that the requirement of a user on the intellectualization of the television is met, and the experience of the user is improved.
Referring to fig. 4, fig. 4 is a block diagram illustrating a first embodiment of a radar-based smart tv control apparatus according to the present invention.
As shown in fig. 4, the smart television control apparatus based on radar according to the embodiment of the present invention includes:
the electromagnetic wave transmitting module 10 is configured to transmit an electromagnetic wave to a preset area, receive an echo signal corresponding to the electromagnetic wave, and preprocess the echo signal to obtain a target signal;
the judging module 20 is configured to judge whether a moving target exists in the preset area according to the target signal, and generate a corresponding target level signal according to a judgment result;
and the response module 30 is configured to generate a television state control instruction according to the level signal type of the target level signal, and respond to the television state control instruction.
The embodiment sends electromagnetic waves to a preset area, receives echo signals corresponding to the electromagnetic waves, and preprocesses the echo signals to obtain target signals; judging whether a moving target exists in the preset area or not according to the target signal, and generating a corresponding target level signal according to a judgment result; and generating a television state control instruction according to the level signal type of the target level signal, and responding to the television state control instruction. Compared with the existing mode that the television is controlled only by sending an instruction through equipment such as a remote controller, the mode of the embodiment can realize automatic control of the television, meet the pursuit of a user on intellectualization, and improve the user experience.
It should be noted that the above-described work flows are only exemplary, and do not limit the scope of the present invention, and in practical applications, a person skilled in the art may select some or all of them to achieve the purpose of the solution of the embodiment according to actual needs, and the present invention is not limited herein.
In addition, the technical details that are not described in detail in this embodiment may refer to the parameter operation method provided in any embodiment of the present invention, and are not described herein again.
Based on the first embodiment of the radar-based smart television control device of the present invention, a second embodiment of the radar-based smart television control device of the present invention is proposed.
In this embodiment, the response module 30 is further configured to obtain a level signal type of the target level signal; when the level signal type is high level, generating a television starting instruction and judging whether the current state is in a starting state; and when the current state is the starting state, keeping the starting state.
Further, the response module 30 is further configured to generate a state maintaining instruction when the type of the level signal is a low level, and respond to the state maintaining instruction.
Further, the response module 30 is further configured to start timing when the current state is not in the power-on state; and when the timing duration reaches the preset duration, returning to the step of sending the electromagnetic waves to the preset area and receiving echo signals corresponding to the electromagnetic waves, and preprocessing the echo signals to obtain target signals.
Further, the response module 30 is further configured to obtain a preset number of historical control instructions; judging whether the historical control instructions are all maintaining instructions; when the historical control instructions are all maintaining instructions, timing is started and preset prompt information is displayed; and if the user is not detected to feed back based on the preset prompt information and the timing time reaches the preset time, adjusting the current state to be the standby state.
Further, the judging module 20 is further configured to compare the target signal with a preset low-frequency alternating-current signal to obtain a comparison result; judging whether a moving target exists in the preset area or not according to the comparison result; generating a high level signal when the moving target exists; generating a low level signal when the moving target is not present.
Further, the electromagnetic wave sending module 10 is further configured to obtain a preset recommended viewing distance and configuration information set by a user; and determining a preset area according to the preset recommended viewing distance and the configuration information.
Other embodiments or specific implementation manners of the radar-based smart television control device of the present invention may refer to the above method embodiments, and are not described herein again.
In addition, an embodiment of the present invention further provides a storage medium, where the storage medium stores a radar-based smart tv control program, and the radar-based smart tv control program, when executed by a processor, implements the steps of the radar-based smart tv control method described above.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or system that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or system. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or system that comprises the element.
The above-mentioned serial numbers of the embodiments of the present invention are merely for description and do not represent the merits of the embodiments.
Through the above description of the embodiments, those skilled in the art will clearly understand that the method of the above embodiments can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware, but in many cases, the former is a better implementation manner. Based on such understanding, the technical solutions of the present invention may be embodied in the form of a software product, which is stored in a storage medium (e.g., a rom/ram, a magnetic disk, an optical disk) and includes instructions for enabling a terminal device (e.g., a mobile phone, a computer, a server, an air conditioner, or a network device) to execute the method according to the embodiments of the present invention.
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. A radar-based smart television control method is characterized by comprising the following steps:
sending electromagnetic waves to a preset area, receiving echo signals corresponding to the electromagnetic waves, and preprocessing the echo signals to obtain target signals;
judging whether a moving target exists in the preset area or not according to the target signal, and generating a corresponding target level signal according to a judgment result;
and generating a television state control instruction according to the level signal type of the target level signal, and responding to the television state control instruction.
2. The radar-based smart tv control method of claim 1, wherein the step of generating a tv state control command according to the level signal type of the target level signal and responding to the tv state control command comprises:
acquiring the level signal type of the target level signal;
when the level signal type is high level, generating a television starting instruction and judging whether the current state is in a starting state;
and when the current state is the starting state, keeping the starting state.
3. The radar-based smart tv control method of claim 2, wherein the step of obtaining the level signal type of the target level signal is followed by further comprising:
and when the type of the level signal is low level, generating a state maintaining instruction and responding to the state maintaining instruction.
4. The method as claimed in claim 2, wherein after the step of generating a television turn-on command and determining whether the current state is in the turn-on state when the level signal type is the high level, the method further comprises:
when the current state is not in the starting state, timing is started;
and when the timing duration reaches the preset duration, returning to the step of sending the electromagnetic waves to the preset area and receiving echo signals corresponding to the electromagnetic waves, and preprocessing the echo signals to obtain target signals.
5. The radar-based smart tv control method of claim 3, wherein after the step of generating a state maintaining instruction and responding to the state maintaining instruction when the level signal type is low, further comprising:
acquiring a preset number of historical control instructions;
judging whether the historical control instructions are all maintaining instructions;
when the historical control instructions are all maintaining instructions, timing is started and preset prompt information is displayed;
and if the user is not detected to feed back based on the preset prompt information and the timing time reaches the preset time, adjusting the current state to be the standby state.
6. The radar-based smart tv control method of any one of claims 1-5, wherein the target level signal comprises a high level signal and a low level signal; the step of judging whether a moving target exists in the preset area according to the target signal and generating a corresponding target level signal according to a judgment result comprises the following steps:
comparing the target signal with a preset low-frequency alternating current signal to obtain a comparison result;
judging whether a moving target exists in the preset area or not according to the comparison result;
generating a high level signal when the moving target exists;
generating a low level signal when the moving target is not present.
7. The radar-based smart television control method according to any one of claims 1 to 5, wherein before the step of sending electromagnetic waves to a preset area and receiving echo signals corresponding to the electromagnetic waves, and preprocessing the echo signals to obtain target signals, the method further comprises:
acquiring a preset recommended viewing distance and configuration information set by a user;
and determining a preset area according to the preset recommended viewing distance and the configuration information.
8. A radar-based intelligent television control device is characterized by comprising:
the device comprises an electromagnetic wave sending module, a target signal generating module and a data processing module, wherein the electromagnetic wave sending module is used for sending electromagnetic waves to a preset area, receiving echo signals corresponding to the electromagnetic waves, and preprocessing the echo signals to obtain the target signal;
the judging module is used for judging whether a moving target exists in the preset area according to the target signal and generating a corresponding target level signal according to a judging result;
and the response module is used for generating a television state control instruction according to the level signal type of the target level signal and responding to the television state control instruction.
9. A radar-based smart television control apparatus, the apparatus comprising: a memory, a processor and a radar-based smart tv control program stored on the memory and executable on the processor, the radar-based smart tv control program being configured to implement the steps of the radar-based smart tv control method according to any one of claims 1 to 7.
10. A storage medium, wherein the storage medium stores a radar-based smart tv control program, and the radar-based smart tv control program when executed by a processor implements the steps of the radar-based smart tv control method according to any one of claims 1 to 7.
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