CN114173110A - Fault detection device, terminal and storage medium of video monitoring system - Google Patents
Fault detection device, terminal and storage medium of video monitoring system Download PDFInfo
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Abstract
The invention belongs to the technical field of video monitoring operation and maintenance, and discloses a fault detection device, a terminal and a storage medium of a video monitoring system, which comprise: the device comprises a network information acquisition module, a power information acquisition module, a camera information acquisition module, a box body information acquisition module, a data transmission module, a management platform and an output module. The invention can collect the commercial power, the network, the camera and the relevant state of the box body of the monitoring point location, analyze the fault reason of the monitoring point location by synthesizing various operation parameters, and transmit the fault reason to the monitoring platform through the 4G or NB-IOT network. The transmission of the fault information does not depend on the power state of the monitoring point location and the on-off state of the monitoring private network, so that the fault information of the monitoring point location can be normally returned as long as the 4G or NB-IOT network connection of the monitoring point location is normal, and the effectiveness of fault monitoring can be ensured.
Description
Technical Field
The invention belongs to the technical field of video monitoring operation and maintenance, and particularly relates to a fault detection device, a terminal and a storage medium of a video monitoring system.
Background
At present, in the existing video monitoring system, the online rate of the monitoring camera equipment is greatly influenced by the power and network power conditions of the front end point. Meanwhile, the monitoring camera equipment is also low in stability due to long-term exposure to outdoor high-temperature and dusty environment, and phenomena such as hanging up or dead halt occur. In the practice of security protection, no good means is available for informing the personnel related to the fault at the first time of fault discovery, so that the personnel can quickly judge the fault reason and solve the fault in one step. Meanwhile, the existing video monitoring operation and maintenance systems are all deployed in the same network as the video monitoring system, and when the network is interrupted or the power supply of the monitored point location is interrupted, the existing operation and maintenance systems cannot accurately reflect the fault state of the monitored point location. Further reducing the availability of the video surveillance network.
Through the above analysis, the problems and defects of the prior art are as follows: the prior art has no device or technology for detecting faults of a video monitoring system.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a fault detection device, a terminal and a storage medium of a video monitoring system.
The invention is realized in this way, a fault detection device of a video monitoring system, the fault detection device of the video monitoring system includes:
the system comprises a network information acquisition module, a power information acquisition module, a camera information acquisition module, a box body information acquisition module, a data transmission module, a management platform and an output module;
the network information acquisition module is connected with the data transmission module and is used for detecting the physical state and the flow information of the uplink network interface of each video monitoring point and the working state of the corresponding uplink network; the system comprises a network management module, a video monitoring point acquisition module, a video acquisition module and a video monitoring point monitoring module, wherein the network management module is used for detecting the working state data of the uplink network of each video monitoring point according to the video acquisition equipment; the system comprises a data transmission module, a management platform and a data processing module, wherein the data transmission module is used for detecting corresponding information of a network;
the power information acquisition module is connected with the data transmission module and used for acquiring power information input by commercial power of each video monitoring point and judging whether commercial power supply is abnormal or not, and if the commercial power supply is abnormal, the abnormal information is transmitted to the management platform through the data transmission module; the system is used for providing power support for the fault detection device after the commercial power supply terminal;
the camera information acquisition module is connected with the data transmission module and is used for acquiring the physical interface state of the camera equipment and the flow information of the physical interface; judging whether the camera shooting equipment is abnormal or not, and transmitting the abnormal information to a management platform through a data transmission module;
the box body information acquisition module is connected with the data transmission module and is provided with a switching value device; the switching device is used for collecting the opening and closing states of the box body;
the data transmission module is connected with the network information acquisition module, the electric power information acquisition module, the camera information acquisition module, the box body information acquisition module and the management platform and is used for transmitting the acquired network information, electric power information, related information of the camera equipment, information of the box body and abnormal information to the management platform through a 4G, NB-IOT link and a 5G module;
the management platform is connected with the data transmission module and the output module; the system comprises a data transmission module, a data acquisition module and a data processing module, wherein the data transmission module is used for transmitting network information, power information, camera equipment related information and box body information data; the fault information receiving receipt is used for sending fault information receiving receipt to the network information acquisition module, the electric power information acquisition module, the camera information acquisition module and the box body information acquisition module corresponding to the abnormal information;
the output module is connected with the management platform; and the system is used for outputting the abnormal information detected by the management platform.
Further, the network information acquisition module detecting the physical state and the flow information of the uplink network interface of each video monitoring point and the working state of the corresponding uplink network comprises:
acquiring identification information of the uplink network interface equipment of each video monitoring point; determining physical state information corresponding to the identification information of the uplink network interface equipment and corresponding flow information in a preset time period;
calculating the no-flow online time of the uplink network interface equipment according to the corresponding flow information in the preset time period; judging whether the no-flow online time of the uplink network interface equipment meets the early warning requirement or not;
and determining the working state information of the uplink network interface according to the physical state information and the early warning requirement judgment result.
Further, the network information acquisition module determining whether the network is abnormal based on the detected corresponding information includes:
acquiring state information of an uplink network interface obtained by detection, judging that the network interface is abnormal if the physical state of a port is closed, and generating a network side interface abnormal event;
and if the interface is normal, monitoring the flow of the network interface, judging whether the flow is abnormal or not, and if so, generating a flow abnormal event.
Further, the camera information acquisition module acquires the physical interface state of the camera device and the flow information of the physical interface, and judges whether the camera device is abnormal or not includes:
firstly, detecting the physical port state of an accessed camera device, judging that an interface of the camera device is abnormal if the physical port state is closed, and generating an interface abnormal event;
if the interface is normal, monitoring the interface flow of the camera equipment; and if the monitored flow exceeds a preset flow threshold, judging that the camera equipment has abnormal flow and generating a flow abnormal event.
Further, the monitoring of the interface flow of the camera device further includes:
and detecting the state of a register of a switching chip in the camera information acquisition module, judging that the flow of the interface is abnormal when the flow is greatly changed, and generating a flow abnormal event.
The invention has the advantages and positive effects that: the invention can collect the commercial power, the network, the camera and the relevant state of the box body of the monitoring point location, analyze the fault reason of the monitoring point location by synthesizing various operation parameters, and transmit the fault reason to the monitoring platform through the 4G or NB-IOT network. The transmission of the fault information does not depend on the power state of the monitoring point location and the on-off state of the monitoring private network, so that the fault information of the monitoring point location can be normally returned as long as the 4G or NB-IOT network connection of the monitoring point location is normal, and the effectiveness of fault monitoring can be ensured.
The invention can simultaneously detect network faults, camera equipment faults, point position power faults and the on-off state of the monitoring box body; the comprehensiveness of fault monitoring is guaranteed.
The power information acquisition module is not only responsible for power information acquisition of the pre-point monitoring point location, but also responsible for emergency power supply after the interruption of the mains supply. The emergency power supply at this time is only for the device itself. And when the device receives the fault receiving back of the management platform after sending the fault information to the management platform, the emergency power supply is actively stopped.
The invention does not occupy the IP address of the video monitoring network when the camera equipment and the network are in failure. The invention can simultaneously detect the physical interface state of the camera equipment and the flow information of the physical interface. The invention can detect the physical state and the flow information of the uplink network interface of the video monitoring point location. The working state of the uplink network can be accurately distinguished under the condition that more than one camera shooting device is accessed to the point location.
The intelligent cabinet can be connected with a passive switching value device, and the switching state can be transmitted to the management platform as long as the switching value device can reflect the switching state of the cabinet body.
Drawings
Fig. 1 is a schematic diagram of a fault detection apparatus of a video monitoring system according to an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of a fault detection device of a video monitoring system according to an embodiment of the present invention;
in the figure: 1. a network information acquisition module; 2. a power information acquisition module; 3. a camera information acquisition module; 4. a box body information acquisition module; 5. a data transmission module; 6. a management platform; 7. and an output module.
Fig. 3 is a flowchart of a method for detecting a fault in a video surveillance system according to an embodiment of the present invention.
Fig. 4 is a flow chart of collecting network fault monitoring provided in the embodiment of the present invention.
Fig. 5 is a flowchart of collecting faults of a monitoring camera according to an embodiment of the present invention.
Fig. 6 is a flowchart of power failure collection according to an embodiment of the present invention.
Fig. 7 is a flow chart of box state collection according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In view of the problems in the prior art, the present invention provides a fault detection apparatus for a video monitoring system, which is described in detail below with reference to the accompanying drawings.
As shown in fig. 1-2, a fault detection apparatus of a video monitoring system according to an embodiment of the present invention includes:
the network information acquisition module 1 is connected with the data transmission module and is used for detecting the physical state and the flow information of the uplink network interface of each video monitoring point and the working state of the corresponding uplink network; the system comprises a network management module, a video monitoring point acquisition module, a video acquisition module and a video monitoring point monitoring module, wherein the network management module is used for detecting the working state data of the uplink network of each video monitoring point according to the video acquisition equipment; the system comprises a data transmission module, a management platform and a data processing module, wherein the data transmission module is used for detecting corresponding information of a network;
the power information acquisition module 2 is connected with the data transmission module and is used for acquiring power information input by commercial power of each video monitoring point, judging whether commercial power supply is abnormal or not, and if the commercial power supply is abnormal, transmitting the abnormal information to the management platform through the data transmission module; the system is used for providing power support for the fault detection device after the commercial power supply terminal;
the camera information acquisition module 3 is connected with the data transmission module and is used for acquiring the physical interface state of the camera equipment and the flow information of the physical interface; judging whether the camera shooting equipment is abnormal or not, and transmitting the abnormal information to a management platform through a data transmission module;
the box body information acquisition module 4 is connected with the data transmission module and is provided with a switching value device; the switching device is used for collecting the opening and closing states of the box body;
the data transmission module 5 is connected with the network information acquisition module, the electric power information acquisition module, the camera information acquisition module, the box body information acquisition module and the management platform, and is used for transmitting the acquired network information, electric power information, camera equipment related information, box body information and abnormal information to the management platform through a 4G, NB-IOT link and a 5G module;
the management platform 6 is connected with the data transmission module and the output module; the system comprises a data transmission module, a data acquisition module and a data processing module, wherein the data transmission module is used for transmitting network information, power information, camera equipment related information and box body information data; the fault information receiving receipt is used for sending fault information receiving receipt to the network information acquisition module, the electric power information acquisition module, the camera information acquisition module and the box body information acquisition module corresponding to the abnormal information;
the output module 7 is connected with the management platform; and the system is used for outputting the abnormal information detected by the management platform.
As shown in fig. 3, a fault detection apparatus of a video monitoring system according to an embodiment of the present invention includes:
s101, detecting the physical state and the flow information of an uplink network interface of each video monitoring point and the working state of a corresponding uplink network through a network information acquisition module; classifying the detected working state data of the uplink network of each video monitoring point according to the camera equipment; judging whether the network has abnormality or not based on the detected corresponding information;
s102, acquiring power information input by commercial power of each video monitoring point through a power information acquisition module, and judging whether commercial power supply is abnormal or not; acquiring the physical interface state of the camera equipment and the flow information of the physical interface through a camera information acquisition module; judging whether the camera shooting equipment is abnormal or not;
s103, acquiring the opening and closing states of the box body by using a switching value device through a box body information acquisition module; the data transmission module transmits the acquired network information, the acquired electric power information, the acquired camera equipment related information, the acquired box body information and the acquired abnormal information to the management platform through a 4G, NB-IOT link and a 5G module;
s104, sending fault information receiving receipt to the abnormal information corresponding network information acquisition module, the electric power information acquisition module, the camera information acquisition module and the box body information acquisition module through the management platform; and meanwhile, outputting the abnormal information detected by the management platform through an output module.
The network information acquisition module provided by the embodiment of the invention detects the physical state and the flow information of the uplink network interface of each video monitoring point and the working state of the corresponding uplink network, and comprises the following steps:
acquiring identification information of the uplink network interface equipment of each video monitoring point; determining physical state information corresponding to the identification information of the uplink network interface equipment and corresponding flow information in a preset time period;
calculating the no-flow online time of the uplink network interface equipment according to the corresponding flow information in the preset time period; judging whether the no-flow online time of the uplink network interface equipment reaches the service life or not;
and determining the working state information of the uplink network interface according to the physical state information and the service life judgment result.
As shown in fig. 4, the determining, by the network information collection module according to the embodiment of the present invention, whether the network is abnormal based on the detected corresponding information includes:
acquiring state information of an uplink network interface obtained through detection, judging that a camera interface is abnormal if the physical state of a port is closed, and generating an interface abnormal event;
and if the interface is normal, monitoring the flow of the network interface, judging whether the flow is abnormal or not, and if so, generating a flow abnormal event.
The embodiment of the invention provides a method for monitoring the flow of a network interface and judging whether the flow is abnormal, which comprises the following steps:
and monitoring the register state of a switching chip of the network information acquisition module, judging that the interface flow is abnormal when the large-amplitude flow changes, and generating a flow abnormal event.
As shown in fig. 5, the camera information acquisition module provided in the embodiment of the present invention acquires a physical interface state of a camera device and traffic information of a physical interface, and determining whether the camera device is abnormal includes:
firstly, detecting the physical port state of an accessed camera device, judging that an interface of the camera device is abnormal if the physical port state is closed, and generating an interface abnormal event;
if the interface is normal, monitoring the interface flow of the camera equipment; and if the monitored flow exceeds a preset flow threshold, judging that the camera equipment has abnormal flow and generating a flow abnormal event.
The method for monitoring the interface flow of the camera equipment provided by the embodiment of the invention further comprises the following steps:
and detecting the state of a register of a switching chip in the camera information acquisition module, judging that the flow of the interface is abnormal when the flow is greatly changed, and generating a flow abnormal event.
The embodiment of the invention provides a method for receiving data transmitted by a data transmission module by a management platform, which comprises the following steps:
extracting received pilot frequency data, segmenting a Doppler change range and a change range of Doppler change rate, and matching the Doppler change range and the change range of Doppler change rate with pilot frequency information to perform coarse capture;
and performing frequency offset compensation on the received network information, the power information, the relevant information of the camera equipment and the box body information data, and performing artificial frequency shift, diversity processing and demodulation on the signal with the residual Doppler frequency offset to obtain final network information, power information, the relevant information of the camera equipment and the box body information data.
The technical solution of the present invention is further described with reference to the following specific embodiments.
Example 1:
the video monitoring system fault detection device comprises the following modules as shown in figure 1:
a network information acquisition module;
a power information acquisition module;
a camera information acquisition module;
a box body information acquisition module;
and a data transmission module.
The invention can simultaneously detect network faults, camera equipment faults, point position monitoring power faults and the on-off state of the monitoring box body.
The power information acquisition module is not only responsible for power information acquisition of the pre-point monitoring point location, but also responsible for emergency power supply after the interruption of the mains supply. The emergency power supply at this time is only for the device itself. And when the device receives the fault receiving back of the management platform after sending the fault information to the management platform, the emergency power supply is actively stopped.
The invention does not occupy the IP address of the video monitoring network when the camera equipment and the network are in failure.
The invention can simultaneously detect the physical interface state of the camera equipment and the flow information of the physical interface.
The invention can detect the physical state and the flow information of the uplink network interface of the video monitoring point location. The working state of the uplink network can be accurately distinguished under the condition that more than one camera shooting device is accessed to the point location.
The intelligent cabinet can be connected with a passive switching value device, and the switching state can be transmitted to the management platform as long as the switching value device can reflect the switching state of the cabinet body.
The power information acquisition module provided by the embodiment of the invention receives the input of the commercial power and continuously acquires the supply state of the commercial power.
The box body information acquisition module provided by the embodiment of the invention is connected with the box door sensor, and the sensor can be any passive switching value sensor as long as the switching signal can be accurately transmitted.
The camera information acquisition module provided by the embodiment of the invention is connected with the monitoring camera equipment, and the module does not need any IP related configuration. The module can be connected with a plurality of monitoring camera devices.
The network acquisition module provided by the embodiment of the invention is connected to an ONU (optical network unit) accessing a monitoring network or other monitoring network access units.
The power acquisition module, the camera information acquisition module, the network information acquisition module and the box information acquisition module are all connected to the data transmission module.
The data transmission module provided by the embodiment of the invention is connected to the management platform through a 4G or NB-IOT link. Further, in the above embodiment, a 5G module may also be adopted as a data transmission carrier in the data transmission module.
When the 4G signal is not good, the data transmission module provided by the embodiment of the invention can be downward compatible with 3G or 2G, and the module can simultaneously support an internet of things card or a common mobile phone card for mobile, telecommunication and internet.
The flow of failure detection of the monitoring image pickup apparatus in the embodiment of the present invention is shown in fig. 5. The camera equipment fault detection module firstly detects the state of a physical port of the accessed camera equipment, judges that an interface of the camera equipment is abnormal if the physical state of the port is closed, generates an interface abnormal event and transmits fault information through the data transmission module. And if the interface is normal, entering the interface flow monitoring of the camera equipment. The flow monitoring threshold value can be set according to different camera devices, and false alarm is avoided. During flow monitoring, the state of a register of a switching chip in a fault acquisition module of the camera equipment needs to be detected, when the flow is greatly changed, the problem of the interface flow is judged, a flow abnormal event is generated, and fault information is transmitted through a data transmission module.
The monitoring network fault collection in the embodiment of the invention is shown in fig. 4. The network fault acquisition module firstly detects the state of the network interface, judges that the state of the network interface is abnormal when the state of the network interface is closed, generates an abnormal event of the network interface and transmits fault information through the data transmission module. And if the interface is normal, entering network flow monitoring. At the moment, the register state of a switching chip in the network fault acquisition module needs to be monitored, when large-amplitude flow change occurs, the problem of interface flow is judged, a flow abnormal event is generated, and fault information is transmitted through the data transmission module.
The power failure collection in the embodiment of the present invention is shown in fig. 6. The electric power information acquisition module continuously monitors the input of the commercial power, starts emergency power supply when the commercial power is not input, generates an electric power abnormal event and transmits electric power fault information through the data transmission module. And when the power information acquisition module receives the confirmation of the operation and maintenance management platform response and receives the power failure message, the emergency power supply is stopped.
The collection of the state of the box in the embodiment of the invention is shown in fig. 7. The box door state acquisition module directly acquires the state of the box door sensor, and when the box door is opened to closed or closed to open, the data transmission module transmits information.
In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
It should be noted that the embodiments of the present invention can be realized by hardware, software, or a combination of software and hardware. The hardware portion may be implemented using dedicated logic; the software portions may be stored in a memory and executed by a suitable instruction execution system, such as a microprocessor or specially designed hardware. Those skilled in the art will appreciate that the apparatus and methods described above may be implemented using computer executable instructions and/or embodied in processor control code, such code being provided on a carrier medium such as a disk, CD-or DVD-ROM, programmable memory such as read only memory (firmware), or a data carrier such as an optical or electronic signal carrier, for example. The apparatus and its modules of the present invention may be implemented by hardware circuits such as very large scale integrated circuits or gate arrays, semiconductors such as logic chips, transistors, or programmable hardware devices such as field programmable gate arrays, programmable logic devices, etc., or by software executed by various types of processors, or by a combination of hardware circuits and software, e.g., firmware.
The above description is only for the purpose of illustrating the present invention and the appended claims are not to be construed as limiting the scope of the invention, which is intended to cover all modifications, equivalents and improvements that are within the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. A failure detection apparatus for a video surveillance system, the failure detection apparatus comprising:
the system comprises a network information acquisition module, a power information acquisition module, a camera information acquisition module, a box body information acquisition module, a data transmission module, a management platform and an output module;
the network information acquisition module is connected with the data transmission module and is used for detecting the physical state and the flow information of the uplink network interface of each video monitoring point and the working state of the corresponding uplink network; the system comprises a network management module, a video monitoring point acquisition module, a video acquisition module and a video monitoring point monitoring module, wherein the network management module is used for detecting the working state data of the uplink network of each video monitoring point according to the video acquisition equipment; the system comprises a data transmission module, a management platform and a data processing module, wherein the data transmission module is used for detecting corresponding information of a network;
the power information acquisition module is connected with the data transmission module and used for acquiring power information input by commercial power of each video monitoring point and judging whether commercial power supply is abnormal or not, and if the commercial power supply is abnormal, the abnormal information is transmitted to the management platform through the data transmission module; the system is used for providing power support for the fault detection device after the commercial power supply terminal;
the camera information acquisition module is connected with the data transmission module and is used for acquiring the physical interface state of the camera equipment and the flow information of the physical interface; judging whether the camera shooting equipment is abnormal or not, and transmitting the abnormal information to a management platform through a data transmission module;
the box body information acquisition module is connected with the data transmission module and is provided with a switching value device; the switching device is used for collecting the opening and closing states of the box body;
the data transmission module is connected with the network information acquisition module, the electric power information acquisition module, the camera information acquisition module, the box body information acquisition module and the management platform and is used for transmitting the acquired network information, electric power information, related information of the camera equipment, information of the box body and abnormal information to the management platform through a 4G, NB-IOT link and a 5G module;
the management platform is connected with the data transmission module and the output module; the system comprises a data transmission module, a data acquisition module and a data processing module, wherein the data transmission module is used for transmitting network information, power information, camera equipment related information and box body information data; the fault information receiving receipt is used for sending fault information receiving receipt to the network information acquisition module, the electric power information acquisition module, the camera information acquisition module and the box body information acquisition module corresponding to the abnormal information;
the output module is connected with the management platform; and the system is used for outputting the abnormal information detected by the management platform.
2. The apparatus for detecting faults of a video surveillance system according to claim 1, wherein the network information acquisition module detecting physical states and traffic information of the uplink network interface of each video surveillance point and working states of the corresponding uplink network comprises:
acquiring identification information of the uplink network interface equipment of each video monitoring point; determining physical state information corresponding to the identification information of the uplink network interface equipment and corresponding flow information in a preset time period;
calculating the no-flow online time of the uplink network interface equipment according to the corresponding flow information in the preset time period; judging whether the no-flow online time of the uplink network interface equipment reaches the service life or not;
and determining the working state information of the uplink network interface according to the physical state information and the service life judgment result.
3. The apparatus for detecting faults in a video surveillance system according to claim 1, wherein the network information collecting module determining whether there is an abnormality in the network based on the detected corresponding information comprises:
acquiring state information of an uplink network interface obtained through detection, judging that a camera interface is abnormal if the physical state of a port is closed, and generating an interface abnormal event;
and if the interface is normal, monitoring the flow of the network interface, judging whether the flow is abnormal or not, and if so, generating a flow abnormal event.
4. The apparatus for detecting failure in a video surveillance system according to claim 3, wherein said monitoring traffic of the network interface and determining whether traffic abnormality occurs comprises:
and monitoring the register state of a switching chip of the network information acquisition module, judging that the interface flow is abnormal when the large-amplitude flow changes, and generating a flow abnormal event.
5. The apparatus for detecting faults of a video surveillance system according to claim 1, wherein the camera information collecting module collects the physical interface status of the camera device and the flow information of the physical interface, and determining whether the camera device is abnormal comprises:
firstly, detecting the physical port state of an accessed camera device, judging that an interface of the camera device is abnormal if the physical port state is closed, and generating an interface abnormal event;
if the interface is normal, monitoring the interface flow of the camera equipment; and if the monitored flow exceeds a preset flow threshold, judging that the camera equipment has abnormal flow and generating a flow abnormal event.
6. The apparatus for detecting faults of a video surveillance system according to claim 5, wherein the monitoring of the interface traffic of the camera device further comprises:
and detecting the state of a register of a switching chip in the camera information acquisition module, judging that the flow of the interface is abnormal when the flow is greatly changed, and generating a flow abnormal event.
7. The video surveillance system fault detection device of claim 1, wherein the receiving of the data transmitted by the data transmission module by the management platform comprises:
extracting received pilot frequency data, segmenting a Doppler change range and a change range of Doppler change rate, and matching the Doppler change range and the change range of Doppler change rate with pilot frequency information to perform coarse capture;
and performing frequency offset compensation on the received network information, the power information, the relevant information of the camera equipment and the box body information data, and performing artificial frequency shift, diversity processing and demodulation on the signal with the residual Doppler frequency offset to obtain final network information, power information, the relevant information of the camera equipment and the box body information data.
8. An information data processing terminal, characterized in that the information data processing terminal is used for implementing a fault detection device of a video surveillance system according to any one of claims 1-7.
9. A computer program product stored on a computer readable medium, comprising a computer readable program for providing a user input interface for applying the fault detection device of the video surveillance system according to any one of claims 1-7 when executed on an electronic device.
10. A computer-readable storage medium storing instructions that, when executed on a computer, cause the computer to apply the fault detection apparatus of the video surveillance system of any of claims 1-7.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114999104A (en) * | 2022-05-19 | 2022-09-02 | 深圳市铭创智联科技有限公司 | Infant monitoring method, infant monitoring system and storage medium |
| CN116404566A (en) * | 2022-12-02 | 2023-07-07 | 国网河北省电力有限公司石家庄市栾城区供电分公司 | Power distribution line inspection platform and inspection method |
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| CN114999104A (en) * | 2022-05-19 | 2022-09-02 | 深圳市铭创智联科技有限公司 | Infant monitoring method, infant monitoring system and storage medium |
| CN114999104B (en) * | 2022-05-19 | 2023-12-01 | 深圳市铭创智联科技有限公司 | Infant monitoring method, infant monitoring system and storage medium |
| CN116404566A (en) * | 2022-12-02 | 2023-07-07 | 国网河北省电力有限公司石家庄市栾城区供电分公司 | Power distribution line inspection platform and inspection method |
| CN116404566B (en) * | 2022-12-02 | 2024-02-06 | 国网河北省电力有限公司石家庄市栾城区供电分公司 | Power distribution line inspection platform and inspection method |
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