CN214473751U - Radio frequency signal detection device - Google Patents

Abstract

The application relates to radio frequency signal detection equipment, including the signal reception circuit who connects gradually, filter circuit, signal metering circuit, data processing circuit and output circuit, signal reception circuit receives the radio frequency signal in the detection range, filter circuit filters radio frequency signal, obtain preset frequency channel radio frequency signal, signal metering circuit measures preset frequency channel radio frequency signal, obtain preset frequency channel radio frequency signal's metering data, data processing circuit generates the output data frame according to preset frequency channel radio frequency signal's metering data, output circuit analyzes the output data frame according to preset rule, obtain the output result and export. In this scheme, radio frequency signal check out test set can measure the processing to the V2X signal in the monitoring range, obtains the measurement data and generates corresponding output data frame, need not the technical staff manual setting V2X's detection parameter, realizes V2X signal detection automated inspection, has improved V2X signal detection's efficiency greatly.

Description

Radio frequency signal detection device

Technical Field

The application relates to the technical field of vehicle networking, in particular to radio frequency signal detection equipment.

Background

Vehicle-to-outside information exchange technology (V2X) is a key technology of future intelligent transportation systems. The system enables communication between vehicles, between vehicles and base stations and between base stations, so that a series of traffic information such as road information and pedestrian information can be obtained. The V2X system comprises V2X road-side equipment and V2X vehicle-mounted equipment, wherein the V2X road-side equipment covers preset information in a specified range in a broadcasting mode, so that a vehicle entering the specified range and carrying the V2X vehicle-mounted equipment can acquire the broadcast information.

With the development of V2X technology, the number of V2X roadside devices will increase continuously, and since each coverage area is limited, if the coverage effect is to be achieved, it is necessary to ensure that there is no signal blank area between every two V2X roadside devices, and the radio frequency performance of each V2X roadside device has consistency. In the prior art, a general handheld frequency spectrograph is used for performing radio frequency test on V2X roadside devices, a technician needs to set a V2X roadside mode and corresponding parameters on the general handheld frequency spectrograph before detection, and then detects the frequency and the intensity of radio frequency signals around the V2X roadside devices to obtain detection results of each V2X roadside device, so that the technician can perform analysis according to the detection results, and adjust the setting of the V2X roadside devices.

However, the existing hand-held frequency spectrograph is a universal detection device, and in the process of detecting the V2X, technicians are required to manually set detection parameters, so that the operation is complicated, and the detection efficiency is low.

SUMMERY OF THE UTILITY MODEL

In view of the above, it is necessary to provide a V2X signal detection device in order to solve the above technical problems.

The embodiment provides a radio frequency signal detection device, which comprises a signal receiving circuit, a signal metering circuit, a data processing circuit and an output circuit which are connected in sequence,

the signal receiving circuit is used for receiving a preset frequency band radio frequency signal in a detection range based on a default preset parameter of the equipment;

the signal metering circuit is used for measuring the radio frequency signals of the preset frequency band to obtain metering data of the radio frequency signals of the preset frequency band; the metering data comprises a distance value and/or data content, and the distance value is the distance value between the current position and the designated position of the radio frequency signal detection equipment; the data content is corresponding to the radio frequency signal of the preset frequency band;

the data processing circuit is used for generating an output data frame according to the metering data of the radio frequency signal in the preset frequency band;

and the output circuit is used for analyzing the output data frame according to a preset rule to obtain an output result and outputting the output result.

In one optional embodiment, the device further includes a filter circuit, an input end of the filter circuit is connected to the signal receiving circuit, an output end of the filter circuit is connected to the signal metering circuit, and the filter circuit is configured to filter the radio frequency signal in the preset frequency band.

In one optional embodiment, the metrology data includes frequency values and/or intensity values;

the data processing circuit is used for binding the metering data with the current moment to obtain binding data and judging whether the intensity value and the frequency value in the metering data exceed the preset standard or not; if the preset standard is exceeded, generating a prompt data frame based on the binding data, and if the preset standard is not exceeded, generating a measurement data frame based on the binding data, wherein the prompt data frame is used for prompting that the received radio frequency signal in the preset frequency band is abnormal or does not have the radio frequency signal in the preset frequency band; the measurement data frame is used for representing the strength and/or frequency of the radio frequency signal of the preset frequency band.

In one optional embodiment, the output data frame further includes a distance value, and the radio frequency signal detection device further includes a ranging circuit;

and the distance measuring circuit is used for acquiring a distance value between the current position and the specified position of the radio frequency signal detection equipment and sending the distance value to the data processing circuit, and the data processing circuit is used for generating an output data frame according to the metering data, the distance value and the current moment.

In an optional embodiment, the output data frame further includes data content, and the metering circuit is configured to measure the radio frequency signal in the preset frequency band to obtain an intensity value, a frequency value, and the data content of the radio frequency signal in the preset frequency band.

In one optional embodiment, the radio frequency signal detection device further comprises a display unit; the display unit is connected with the output circuit;

and the display unit is used for receiving and displaying the output result output by the output circuit.

In one optional embodiment, the display unit is connected with the data processing circuit;

the display unit is also used for receiving the parameter configuration instruction and transmitting the parameter configuration instruction to the data processing circuit so that the data processing circuit carries out parameter configuration and/or calibration according to the parameter configuration instruction; the parameter configuration instruction comprises a radio frequency signal configuration instruction and/or a distance value configuration instruction.

In one optional embodiment, the radio frequency signal detection device further comprises a power supply; the power supply is connected with the signal receiving circuit, the filter circuit, the signal metering circuit, the data processing circuit and the output circuit;

and the power supply is used for supplying power to the radio frequency signal detection equipment.

In one optional embodiment, the radio frequency signal detection device further comprises a radio frequency antenna unit; the radio frequency antenna power supply is connected with the signal receiving loop;

and the radio frequency antenna unit is used for receiving the radio frequency signals in the preset frequency band in the detection range and sending the radio frequency signals in the preset frequency band to the signal receiving circuit.

In one optional embodiment, the radio frequency signal detection device further comprises an alarm unit; the alarm unit is connected with the data processing circuit;

and the alarm unit is used for receiving an alarm control instruction sent by the data processing circuit and triggering alarm operation under the condition that the data processing circuit outputs the prompt data frame.

The radio frequency signal detection device comprises a signal receiving circuit, a filter circuit, a signal metering circuit, a data processing circuit and an output circuit which are sequentially connected, wherein the signal receiving circuit receives radio frequency signals in a detection range, the filter circuit filters the radio frequency signals to obtain preset frequency band radio frequency signals, the signal metering circuit measures the preset frequency band radio frequency signals to obtain metering data of the preset frequency band radio frequency signals, the data processing circuit generates output data frames according to the metering data of the preset frequency band radio frequency signals, and the output circuit analyzes the output data frames according to preset rules to obtain output results and output the output results. The measurement data comprise a distance value and/or data content, the distance value is a distance value between the current position and an appointed position of the radio frequency signal detection equipment, and the data content is data content corresponding to a preset frequency band radio frequency signal.

Drawings

FIG. 1 is a diagram of an exemplary RF signal detection device;

FIG. 2 is a schematic structural diagram of an RF signal detecting apparatus according to an embodiment;

FIG. 3 is a schematic structural diagram of an embodiment of an RF signal detection apparatus;

FIG. 4 is a schematic structural diagram of an embodiment of an RF signal detection apparatus;

FIG. 5 is a schematic structural diagram of an RF signal detecting apparatus according to an embodiment;

FIG. 6 is a flow chart illustrating a method for RF signal detection according to one embodiment;

FIG. 7 is a flow chart illustrating a method for RF signal detection according to one embodiment;

FIG. 8 is a flow chart illustrating a method for RF signal detection according to one embodiment;

FIG. 9 is a flow chart illustrating a method for RF signal detection according to one embodiment;

FIG. 10 is a diagram showing an internal structure of a computer device according to an embodiment.

Detailed Description

In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.

The application environment diagram of the radio frequency signal detection device provided by the application is shown in fig. 1. The radio frequency signal detection device 1 communicates with the device under test 2 through a V2X dedicated communication channel. The radio frequency signal detection device 1 is a detection device dedicated to V2X signals, and the radio frequency signal detection device 1 is configured with parameter configuration and communication configuration required for detecting V2X signals, so that the radio frequency signals transmitted by the device to be detected 2 can be directly acquired and analyzed. Optionally, the radio frequency signal detection device 1 further has a display function, so that the obtained data such as the radio frequency signal is visually displayed in a display interface. The device to be tested 2 may be a V2X roadside device, or may also be a V2X vehicle-mounted device, and its representation form may be a terminal. It should be noted that the communication protocol of the device under test 2 is consistent with the communication protocol of the radio frequency signal detection device, and is generally a V2X communication protocol, which is not limited in this embodiment of the present application.

Please refer to fig. 2 for a structure of a radio frequency signal detection apparatus 1 provided in the present application. The radio frequency signal detection device 1 includes a signal receiving circuit 01, a signal metering circuit 03, a data processing circuit 04, and an output circuit 05, which are connected in sequence. Optionally, the connection mode between the circuits may be bus connection, and may also be serial communication connection.

And the signal receiving circuit 01 is used for receiving the preset frequency band radio frequency signals in the detection range based on the preset parameters.

The signal receiving circuit 01 may be integrated with a radio frequency signal detection circuit, which may receive a radio frequency signal within a detection range, and when the radio frequency signal detection device 1 enters a signal coverage area of the device under test 2, the radio frequency signal detection circuit may receive a radio frequency signal emitted by the device under test 2. The preset parameters are parameters suitable for detecting the radio frequency signal of V2X and are generally directly written into a detection device. The device under test may be a V2X device, for example, a roadside V2X terminal, a vehicle-mounted V2X terminal, and the like.

In this embodiment, optionally, in order to receive the radio frequency signal even when the radio frequency signal transmitted by the device under test 2 is weak, a radio frequency antenna unit may be additionally disposed on the radio frequency signal detection device to increase the signal receiving capability, and the radio frequency antenna is connected to the signal receiving circuit. After detecting and acquiring the radio frequency signal of the device 2 to be detected, the signal receiving circuit 01 may transmit the radio frequency signal to the filter circuit 02 in the radio frequency signal detection device 1, so that the filter circuit 02 performs filtering processing on the radio frequency signal.

The signal metering circuit 03 is configured to measure the radio frequency signal in the preset frequency band, and obtain metering data of the radio frequency signal in the preset frequency band. The metering data comprises a distance value and/or data content, and the distance value is the distance value between the current position and the designated position of the radio frequency signal detection equipment; the data content is corresponding to the radio frequency signal of the preset frequency band.

In this embodiment, the signal metering circuit 03 receives the radio frequency signal of the preset frequency band of the device under test 2 transmitted by the filter circuit 02, and determines to obtain the metering data of the radio frequency signal of the device under test according to the radio frequency signal of the preset frequency band. The metering data may include, for example, intensity values, frequencies, distance values, and data content of the radio frequency signals, wherein a distance value refers to a relative distance between a current location of the radio frequency signal detection device and a specified location; the data content is corresponding to the radio frequency signal of the preset frequency band. Optionally, the signal metering circuit 03 may perform digital conversion on the preset frequency band radio frequency signal in a preset digital-to-analog conversion manner, package the digitally converted preset frequency band radio frequency signal according to a preset V2X communication protocol, and transmit the packaged preset frequency band radio frequency signal to the data processing circuit 04. Optionally, the configuration of complex parameters to be measured can be preset in advance, and since the relevant parameters required for detecting the complete V2X signal are already configured in the device, the set parameters are used for filtering and measuring the received radio frequency signal.

And the data processing circuit 04 is used for generating an output data frame according to the metering data of the filtering signal.

The data processing circuit 04 may process the metering data according to a preset V2X communication protocol, where the preset V2X communication protocol refers to a predetermined communication protocol between the device under test 2 and the radio frequency signal detection device 1.

Optionally, in an embodiment, the current time may also be obtained by a time acquisition unit in the radio frequency signal detection device.

In this embodiment, after receiving the metering data transmitted by the signal metering circuit 03, the data processing circuit 04 triggers an operation of acquiring the current time of the V2X signal detection apparatus 1, performs data encapsulation on the metering data and the current time according to a protocol required by related data encapsulation, generates an output data frame, and transmits the output data frame to the output circuit 05, so that the output circuit 05 outputs an output result based on the metering data.

And the output circuit 05 is used for analyzing the output data frame according to a preset rule to obtain an output result and outputting the output result.

In this embodiment, after receiving the metering data frame transmitted by the data processing circuit 04, the output circuit 05 performs data analysis on the metering data frame according to the relevant protocol to obtain an output result corresponding to the metering data frame. It should be clear that the protocol used to parse the metering data frame corresponds to the protocol that encapsulates the metering data with the current time of day.

Optionally, in order to remove the noise signal, the detection device may further include a filter circuit 02, an input end of the filter circuit 02 is connected to the signal receiving circuit, an output end of the filter circuit 02 is connected to the signal metering circuit, and the filter circuit 02 is configured to filter the radio frequency signal in the preset frequency band. The filter circuit 02 is configured to filter the radio frequency signal to obtain a filtered radio frequency signal. In this embodiment, the filter circuit 02 receives the rf signal transmitted by the signal receiving circuit 01, and may perform filtering processing on the rf signal based on a preset filtering algorithm. For example, the filtering algorithm may be a median filtering method, an arithmetic mean filtering method, a recursive mean filtering method, a kalman filtering algorithm, and the like, and the filtering circuit 02 obtains the radio frequency signal in the preset frequency band after filtering the radio frequency signal, and transmits the radio frequency signal in the preset frequency band to the signal metering circuit 03.

The radio frequency signal detection device comprises a signal receiving circuit, a signal metering circuit, a data processing circuit and an output circuit which are connected in sequence, wherein the signal receiving circuit receives radio frequency signals in a detection range based on default preset parameters of the device; obtaining a radio frequency signal of a preset frequency band; the signal metering circuit measures the radio frequency signals of the preset frequency band to obtain metering data of the radio frequency signals of the preset frequency band; the data processing circuit generates an output data frame according to the metering data of the radio frequency signal in the preset frequency band; the output circuit analyzes the output data frame according to a preset rule to obtain an output result and outputs the output result. The measurement data comprise a distance value and/or data content, the distance value is a distance value between the current position and an appointed position of the radio frequency signal detection equipment, and the data content is data content corresponding to a preset frequency band radio frequency signal.

Optionally, in one embodiment, the metering data related to the above embodiment includes a frequency value and/or an intensity value;

the data processing circuit 04 is configured to bind the measurement data with the current time to obtain bound data, and determine whether an intensity value and a frequency value in the measurement data exceed a preset standard; and if the preset standard is not exceeded, generating a measurement data frame based on the binding data.

Optionally, the intensity threshold and the frequency threshold are determined according to the actual normal operation state of the device under test 2. The prompt data frame is used for prompting that the received radio frequency signal of the preset frequency band is abnormal or does not have the radio frequency signal of the preset frequency band. The measurement data frame is used for representing the strength and/or frequency of the radio frequency signal of the preset frequency band.

In one optional embodiment, a method for processing the strength and frequency of the rf signal is provided, which includes: after the measurement data is received by the data processing circuit 04, the intensity value and the frequency value corresponding to the measurement data are determined, and the intensity value and the frequency value are determined respectively. For example, the data processing circuit 04 determines whether the intensity value of the current metering data is within the intensity threshold range according to a preset intensity threshold range, and generates a first result, specifically, if the intensity value of the current metering data is within the intensity threshold range, the first result may be represented by "tune", and if the intensity value of the current metering data is not within the intensity threshold range, the first result may be represented by "FALSE"; similarly, the data processing circuit 04 determines, according to a preset frequency threshold range, whether the frequency value of the current metering data is within the frequency threshold range, and generates a second result, where if the frequency value of the current metering data is within the frequency threshold range, the second result may be represented by "tune", if the frequency value of the current metering data is not within the frequency threshold range, the second result may be represented by "FALSE", and performs a logical and operation on the first result and the second result, and if the result is "FALSE", generates a prompt data frame; if the result is "tune", a measurement data frame is generated.

Optionally, when performing a logical and operation on the first result and the second result, the radio frequency signal detection device 1 may determine, through the data processing circuit 04, whether the intensity value and the frequency value of the metering data of the current device under test 2 are within a normal range, and if any one of the results is abnormal, may generate a prompt data frame. When one result is normal and the other result is abnormal, a prompt data frame and a measurement data frame are generated, the prompt data frame is used for stating the abnormal result, and the measurement data frame is used for representing the normal measurement result.

Optionally, an alarm unit may be further added to the V2X signal detection device, and when the data processing circuit outputs a prompt data frame, an alarm control instruction is sent to the alarm unit at the same time, and the alarm unit triggers an alarm operation.

The radio frequency signal detection device provided in this embodiment may also measure and determine the position of the device to be detected 2 while detecting the radio frequency signal, as shown in fig. 3, in one embodiment, the output data frame further includes a distance value, and the radio frequency signal detection device further includes a distance measurement circuit 06;

and the distance measuring circuit 06 is configured to obtain a distance value between the current position and the specified position of the radio frequency signal detection device, and send the distance value to the data processing circuit 04, where the data processing circuit 04 is configured to generate an output data frame according to the metering data, the distance value, and the current time.

Alternatively, the distance value between the current position of the radio frequency signal detection device 1 and the device under test 2 can be measured by laser in the ranging circuit 06.

Optionally, the data processing circuit 04 receives the distance value transmitted by the distance measuring circuit 06, and performs data encapsulation on the metering data, the current time, and the distance value according to a protocol required by related data encapsulation, so as to generate an output data frame corresponding to the metering data. Optionally, the data processing circuit 04 may also add a distance value field to the measurement data frame generated to include the intensity value and/or the frequency value, and generate a measurement data frame comprehensively representing the intensity, the frequency, and the distance.

In this embodiment, the radio frequency signal detection device 1 may perform measurement of a relative distance between the radio frequency signal detection device and a device under test.

In one optional embodiment, the output data frame further includes data content, and the metering circuit 03 is configured to measure the preset frequency band radio frequency signal to obtain an intensity value, a frequency value, and the data content of the preset frequency band radio frequency signal.

In this embodiment, the signal metering circuit 03 receives the radio frequency signal of the preset frequency band of the device under test 2 transmitted by the filter circuit 02, and determines to obtain the intensity value, the frequency value, and the data content of the radio frequency signal of the device under test according to the radio frequency signal of the preset frequency band. Optionally, the signal metering circuit 03 may perform digital conversion on the radio frequency signal in a preset digital-to-analog conversion manner, and obtain the data content according to a digital conversion result.

In this embodiment, the signal metering circuit 03 can obtain the content carried by the radio frequency signal, which can enrich the detection function of the radio frequency signal detection device of the present application.

Optionally, the data processing circuit 04 may also add a data content field to the measurement data frame generated to include the intensity value and/or the frequency value, and generate the measurement data frame comprehensively representing the intensity, the frequency, and the data content. Optionally, the data processing circuit 04 may also generate some or all frames of measurement data characterizing intensity values, frequency values, distances, and content.

In order to facilitate the staff to intuitively know the metering data detected by the radio frequency signal detection device 1, optionally, the output result of the metering data may be visually displayed in the radio frequency signal detection device 1, in one embodiment, as shown in fig. 4, in one embodiment, the radio frequency signal detection device further includes a display unit 07; the display unit 07 is connected to the output circuit 05; and the display unit 07 is used for receiving and displaying the output result output by the output circuit.

The display unit 07 may be any one of a LED display screen, a liquid crystal display screen, and the like, optionally, the display unit 07 may further perform visualization processing on the output result, for example, the display unit 07 may draw a visualization graph according to the output result and display the output result in a graph form, or the display unit 07 may further perform tabulation processing according to the output result and display the output result in a table form.

In one embodiment, the display unit 07 is connected to the data processing circuit 04;

the display unit 07 is further configured to receive a parameter configuration instruction, and transmit the parameter configuration instruction to the data processing circuit 04, so that the data processing circuit 04 performs parameter configuration and/or calibration according to the parameter configuration instruction; the parameter configuration instruction comprises a radio frequency signal configuration instruction and/or a distance value configuration instruction.

The parameter configuration instruction is a parameter configuration instruction triggered based on the display unit 07. For example, the parameter configuration instruction may be a parameter instruction input by a worker based on the display unit 07, or a parameter instruction selected by the worker based on the display unit 07. After receiving the parameter configuration instruction, the display unit 07 transmits the parameter configuration instruction to the data processing circuit 04. Alternatively, the parameter configuration command may be divided into a calibration command for a reference value of the measurement distance and a calibration command for a reference value of the measurement radio frequency signal according to different types of measurement parameters.

In this embodiment, optionally, different parameter configuration instructions have instruction identifiers corresponding thereto, the data processing circuit 04 determines, according to the instruction identifier corresponding to the received parameter configuration instruction, whether the current parameter configuration instruction is the first parameter configuration instruction or the second parameter configuration instruction, and then transmits the parameter configuration instruction to the corresponding circuit, for example, if the data processing circuit 04 determines that the current parameter configuration instruction is the first parameter configuration instruction, the parameter configuration instruction is transmitted to the ranging circuit 06; if the data processing circuit 04 determines that the current parameter configuration instruction is the second parameter configuration instruction, the parameter configuration instruction is transmitted to the signal metering circuit 03.

In this embodiment, the display unit 07 completes the display of the metering data and the processing of the parameter configuration instruction, so that the worker can visually see the V2X signal measurement data through the display unit, and the metering parameters can be calibrated through the parameter configuration instruction, and the accuracy of the obtained metering data is higher.

Optionally, in one embodiment, as shown in fig. 5, the radio frequency signal detection device further includes a power supply 08; the power supply 08 is connected with the signal receiving circuit 01, the filter circuit 02, the signal metering circuit 03, the data processing circuit 04 and the output circuit 05; and the power supply 08 is used for supplying power to the radio frequency signal detection equipment. The power supply 08 can be a wired power supply or a wireless power supply; the power supply 08 may be a rechargeable power supply or may be a disposable power supply. Optionally, considering that the radio frequency signal detection device 1 is an outdoor detection device and is configured to detect radio frequency signals of multiple devices to be detected 2, a wireless rechargeable power supply is selected as the power supply 08 of the radio frequency signal detection device 1 in this embodiment, which is not limited in this embodiment.

In this embodiment, the continuous power supply of the radio frequency signal detection device is realized through the detachable power supply, so that the radio frequency signal detection device can normally work in different environments, and the detection efficiency of the V2X signal is ensured.

The following describes in detail the technical solutions of the present application and how the technical solutions of the present application solve the above technical problems by embodiments and with reference to the drawings. The following several specific embodiments may be combined with each other, and details of the same or similar concepts or processes may not be repeated in some embodiments. It should be noted that, in the method for detecting a radio frequency signal provided in the embodiments of fig. 6 to fig. 9 of the present application, an execution main body is a radio frequency signal detection device, and may also be a radio frequency signal detection device, and the radio frequency signal detection device may become a part or all of the radio frequency signal detection device through software, hardware, or a combination of software and hardware.

In an embodiment, as shown in fig. 6, a method for a radio frequency signal detection device is provided, which is described by taking as an example that the method is applied to the radio frequency signal detection device in fig. 1, and relates to a specific process that the radio frequency signal detection device obtains a radio frequency signal of a device under test, and processes the radio frequency signal according to a preset V2X communication protocol, so as to visually display the radio frequency signal, where the specific process includes:

s201, receiving a radio frequency signal of the device to be detected in the detection range based on default preset parameters of the device.

In this embodiment, when a radio frequency signal of a device under test is detected within a detection range of a radio frequency signal detection device, the radio frequency signal of the device under test is acquired, where the radio frequency signal includes intensity, frequency, and data content of the radio frequency signal.

S202, measuring a radio frequency signal of a preset frequency band to obtain metering data of the radio frequency signal of the preset frequency band; the metering data comprises a distance value and/or data content, and the distance value is the distance value between the current position and the designated position of the radio frequency signal detection equipment; the data content is corresponding to the radio frequency signal of the preset frequency band.

Optionally, before the radio frequency signal in the preset frequency band is measured, in order to remove signal noise, filtering processing may be performed on the radio frequency signal. The radio frequency signal detection equipment carries out filtering processing on the radio frequency signals based on a preset filtering algorithm to obtain radio frequency signals of a preset frequency band, and the metering data of the radio frequency signals of the equipment to be detected are determined according to the radio frequency signals of the preset frequency band. The metrology data may include, for example, intensity values, frequencies, distance values, and data content of the radio frequency signals.

And S203, generating an output data frame according to the metering data of the radio frequency signal in the preset frequency band.

In this embodiment, the radio frequency signal detection device may perform digital conversion on the radio frequency signal in the preset frequency band through a preset digital-to-analog conversion manner to obtain the metering data of the radio frequency signal in the preset frequency band, so that the radio frequency signal detection device performs data encapsulation on the metering data and the current time according to a protocol required by related data encapsulation to generate an output data frame.

And S204, analyzing the output data frame according to a preset rule to obtain an output result and outputting the output result.

The device to be tested with the preset rule generally corresponds to a protocol required by related data encapsulation.

In this embodiment, before the output data frame is displayed on the display interface, the encapsulated output data frame needs to be parsed, for example, the encapsulated output data frame is parsed according to a related protocol to obtain a parsed output result, optionally, a visual graph may be drawn according to the output result, and the output result may be displayed in a graph form, or a tabulation process may be performed according to the output result, and the output result may be displayed in a table form.

In the method for detecting the radio frequency signal, the radio frequency signal detection device receives the radio frequency signal of the device to be detected in the detection range based on default preset parameters of the device, measures the radio frequency signal, generates an output data frame, analyzes the output data frame according to preset rules, obtains an output result and outputs the output result. Therefore, the radio frequency signal detection equipment can measure and process the V2X signal in the monitoring range, obtain the measurement data and generate a corresponding output data frame, does not need technical personnel to manually set the detection parameters of the V2X, solves the problems of complex operation and low detection efficiency of conventional detection equipment (such as a frequency spectrograph) when detecting the V2X signal, realizes the automatic detection of the V2X signal detection, and greatly improves the efficiency of the V2X signal detection.

Optionally, in an embodiment, the method includes:

and filtering the radio frequency signal to obtain a radio frequency signal of a preset frequency band.

In this embodiment, the radio frequency signal detection device performs filtering processing on the radio frequency signal based on a preset filtering algorithm. For example, the filtering algorithm may be a median filtering method, an arithmetic mean filtering method, a recursive mean filtering method, a kalman filtering algorithm, and the radio frequency signal detection device obtains the radio frequency signal in the preset frequency band after filtering the radio frequency signal.

In an embodiment, as shown in fig. 7, the generating an output data frame according to the metering data of the radio frequency signal in the preset frequency band includes:

s401, binding the metering data with the current moment to obtain binding data.

In this embodiment, the radio frequency signal detection device receives the metering data, triggers an operation of acquiring the current time, and performs data encapsulation on the metering data and the current time according to a related data encapsulation protocol to obtain binding data.

S402, determining whether the intensity value and the frequency value in the metering data exceed preset standards.

In this embodiment, after the measurement data is received by the radio frequency signal detection device, the intensity value and the frequency value corresponding to the measurement data are determined, and the intensity value and the frequency value are respectively determined. For example, the radio frequency signal detection device may determine whether the intensity of the current radio frequency signal is within the intensity threshold range according to a preset intensity threshold range, and generate a first result, and the radio frequency signal detection device may determine whether the frequency of the current radio frequency signal is within the frequency threshold range according to a preset frequency threshold range, and generate a second result.

And S403, if the data exceeds the preset standard, generating a prompt data frame based on the binding data, and taking the prompt data frame as metering data.

Taking the above example, if the intensity of the current rf signal is not within the intensity threshold range, the first result may be represented by "FALSE"; similarly, if the frequency of the current rf signal is not within the frequency threshold range, the second result may be represented by "FALSE", and the first result and the second result are logically and-operated, and if the result is "FALSE", the prompt data frame is generated as the metering data.

And S404, if the preset standard is not exceeded, generating a measurement data frame based on the binding data.

In this embodiment, specifically, if the strength of the current rf signal is within the strength threshold range, the first result may be represented by "tune"; similarly, if the frequency of the current rf signal is within the frequency threshold range, the second result may be represented by "tune", and the first result and the second result are logically and-operated, and if the result is "tune", the measurement data frame is generated.

Optionally, when performing a logical and operation on the first result and the second result, the radio frequency signal detection device 1 may determine, through the data processing circuit 04, whether the intensity value and the frequency value of the metering data of the current device under test 2 are within a normal range, and if any one of the results is abnormal, may generate a prompt data frame. When one result is normal and the other result is abnormal, a prompt data frame and a measurement data frame are generated, wherein the prompt data frame is used for prompting the abnormal result, and the measurement data frame is used for representing the normal measurement result.

Optionally, the radio frequency signal detection device may determine whether the intensity value and the frequency value of the measurement data of the current device 2 to be detected are within a normal range, and if any one of the parameter values is abnormal, may generate a prompt data frame, display the prompt data frame, and perform an abnormal real-time alarm.

While detecting the radio frequency signal, the radio frequency signal detecting device may also measure and determine the position of the device to be detected, in one embodiment, as shown in fig. 8, the method further includes:

s501, obtaining a distance value between the current position and the designated position of the radio frequency signal detection equipment.

In this embodiment, the radio frequency signal detection device transmits laser to the device to be tested, measures the time from transmission to reception of the laser beam, and calculates the distance value between the current position of the radio frequency signal detection device and the device to be tested, which is not limited in this embodiment.

The above-mentioned metering data according to presetting the frequency channel radio frequency signal generates the output data frame, includes:

and S502, generating an output data frame according to the metering data, the distance value and the current time.

In this embodiment, the radio frequency signal detection device obtains the distance value between the radio frequency signal detection device and the device to be tested and the metering data of the device to be tested 2, and performs data encapsulation on the metering data, the current time and the distance value according to a protocol required by related data encapsulation to generate an output data frame, which is not limited in this embodiment.

In this embodiment, the radio frequency signal detection device may further measure a relative distance between the radio frequency signal detection device and the device to be tested, and according to the distance value and the measurement data, the current state information of the device to be tested may be more accurately determined.

To further make the detected rf signal more accurate, in one embodiment, the method further includes:

receiving a parameter configuration instruction, and transmitting the parameter configuration instruction to a data processing circuit so that the data processing circuit performs parameter configuration and/or calibration according to the parameter configuration instruction; the parameter configuration instruction comprises a radio frequency signal configuration instruction and/or a distance value configuration instruction.

The parameter configuration instruction is a parameter configuration instruction triggered by a worker based on the radio frequency signal detection equipment. Illustratively, the parameter configuration instruction can be a parameter instruction input by a worker based on the radio frequency signal detection device, and also can be a parameter instruction selected by the worker based on the radio frequency signal detection device. Different parameter configuration instructions correspond to different instruction identifications, for example, a first parameter configuration instruction refers to a calibration instruction for metering data, and a second parameter configuration instruction refers to a calibration instruction for a reference value of a distance value.

In this embodiment, the radio frequency signal detection device determines that the current parameter configuration instruction is the first parameter configuration instruction according to the instruction identifier in the first parameter configuration instruction, and calibrates the measurement value of the measurement data according to the measurement data reference value in the parameter configuration instruction to obtain the calibrated measurement data. And the radio frequency signal detection equipment determines that the current parameter configuration instruction is a second parameter configuration instruction according to the instruction identifier, and calibrates the distance value according to the distance reference value in the parameter configuration instruction to obtain the calibrated distance value.

Optionally, the radio frequency signal detection device receives the calibrated metering data and the calibrated distance value, and performs data encapsulation on the calibrated metering data, the calibrated distance value, and the current time according to a protocol required by related data encapsulation, so as to generate an output data frame, which is not limited in this embodiment.

In this embodiment, the parameter reference values in the corresponding modules are calibrated through the parameter configuration instructions, so that the measured values of the parameters are more accurate.

The implementation principle and technical effect of the method for detecting a radio frequency signal provided by the above embodiment are similar to those of the above embodiment of the radio frequency signal detection device, and are not described herein again.

To better explain the above method, as shown in fig. 9, the present embodiment provides a method for detecting a radio frequency signal, which specifically includes:

s101, receiving a radio frequency signal of equipment to be detected in a detection range;

s102, filtering the radio frequency signal to obtain a radio frequency signal in a preset frequency band;

s103, measuring the radio frequency signals of the preset frequency band to obtain metering data of the radio frequency signals of the preset frequency band;

s104, acquiring a distance value between the current position and the designated position of the radio frequency signal detection equipment;

s105, receiving a first parameter configuration instruction, and calibrating the metering data according to the first parameter configuration instruction to obtain calibrated metering data;

s106, receiving a second parameter configuration instruction, and calibrating the distance value according to the second parameter configuration instruction to obtain a calibrated distance value;

s107, judging whether the intensity value and the frequency value in the calibrated metering data exceed preset standards; if the value exceeds the preset standard, executing step S108; if not, executing step S109;

s108, generating a prompt data frame based on the calibrated metering data, the calibrated distance value and the current moment, and taking the prompt data frame as the metering data;

and S109, generating a measurement data frame based on the measurement data after calibration, the distance value after calibration and the current time, and taking the measurement data frame as the measurement data.

In this embodiment, the automation of the signal detection of V2X is realized based on the radio frequency signal detection device, the efficiency of the signal detection of V2X is improved, the calibration of the relative distance and the radio frequency signal can be realized through the parameter configuration instruction, the accuracy of the data is improved, the abnormal judgment is performed on the intensity and the frequency of the radio frequency signal, the judgment result is displayed in a visual form, and the defect that the existing detection device cannot directly perform data processing and display is overcome.

The implementation principle and technical effect of the method for detecting a radio frequency signal provided by the above embodiment are similar to those of the method for detecting a radio frequency signal provided by the above embodiment, and are not described herein again.

It should be understood that although the various steps in the flow charts of fig. 6-9 are shown in order as indicated by the arrows, the steps are not necessarily performed in order as indicated by the arrows. The steps are not performed in the exact order shown and described, and may be performed in other orders, unless explicitly stated otherwise. Also, at least some of the steps in fig. 6-9 may include multiple steps or multiple stages, which are not necessarily performed at the same time, but may be performed at different times, which are not necessarily performed in sequence, but may be performed in turn or alternately with other steps or at least some of the other steps.

In one embodiment, a computer device is provided, which may be a server, and its internal structure diagram may be as shown in fig. 10. The computer device includes a processor, a memory, a communication interface, a display screen, and an input device connected by a system bus. Wherein the processor of the computer device is configured to provide computing and control capabilities. The memory of the computer device comprises a nonvolatile storage medium and an internal memory. The non-volatile storage medium stores an operating system and a computer program. The internal memory provides an environment for the operation of an operating system and computer programs in the non-volatile storage medium. The communication interface of the computer device is used for carrying out wired or wireless communication with an external terminal, and the wireless communication can be realized through WIFI, an operator network, NFC (near field communication) or other technologies. The computer program is executed by a processor to implement a radio frequency signal detection apparatus method. The display screen of the computer equipment can be a liquid crystal display screen or an electronic ink display screen, and the input device of the computer equipment can be a touch layer covered on the display screen, a key, a track ball or a touch pad arranged on the shell of the computer equipment, an external keyboard, a touch pad or a mouse and the like.

Those skilled in the art will appreciate that the architecture shown in fig. 10 is merely a block diagram of some of the structures associated with the disclosed aspects and is not intended to limit the computing devices to which the disclosed aspects apply, as particular computing devices may include more or less components than those shown, or may combine certain components, or have a different arrangement of components.

In one embodiment, a computer device is provided, which includes a memory and a processor, the memory stores a computer program, and the processor implements the steps of the radio frequency signal detection method in the above embodiments when executing the computer program.

The implementation principle and technical effect of the computer device provided by the above embodiment are similar to those of the above method embodiment, and are not described herein again.

In an embodiment, a computer-readable storage medium is provided, on which a computer program is stored, which computer program, when being executed by a processor, realizes the steps of the radio frequency signal detection method in the above-mentioned embodiments.

The implementation principle and technical effect of the computer-readable storage medium provided by the above embodiments are similar to those of the above method embodiments, and are not described herein again.

It will be understood by those skilled in the art that all or part of the processes of the methods of the embodiments described above can be implemented by hardware instructions of a computer program, which can be stored in a non-volatile computer-readable storage medium, and when executed, can include the processes of the embodiments of the methods described above. Any reference to memory, storage, database or other medium used in the embodiments provided herein can include at least one of non-volatile and volatile memory. Non-volatile Memory may include Read-Only Memory (ROM), magnetic tape, floppy disk, flash Memory, optical storage, or the like. Volatile Memory can include Random Access Memory (RAM) or external cache Memory. By way of illustration and not limitation, RAM can take many forms, such as Static Random Access Memory (SRAM) or Dynamic Random Access Memory (DRAM), among others.

The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the scope of the utility model. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims (10)

1. The radio frequency signal detection equipment is characterized by comprising a signal receiving circuit, a signal metering circuit, a data processing circuit and an output circuit which are connected in sequence,

the signal receiving circuit is used for receiving a preset frequency band radio frequency signal in a detection range based on a default preset parameter of the equipment;

the signal metering circuit is used for measuring the radio frequency signals of the preset frequency band to obtain metering data of the radio frequency signals of the preset frequency band; the metering data comprises a distance value and/or data content, and the distance value is a distance value between the current position and a specified position of the radio frequency signal detection equipment; the data content is corresponding to a radio frequency signal in a preset frequency band;

the data processing circuit is used for generating an output data frame according to the metering data of the radio frequency signal of the preset frequency band;

and the output circuit is used for analyzing the output data frame according to a preset rule to obtain an output result and outputting the output result.

2. The apparatus according to claim 1, further comprising a filter circuit, wherein an input terminal of the filter circuit is connected to the signal receiving circuit, an output terminal of the filter circuit is connected to the signal metering circuit, and the filter circuit is configured to filter the rf signal in the predetermined frequency band.

3. The apparatus of claim 1, wherein the metrology data comprises frequency values and/or intensity values;

the data processing circuit is used for binding the metering data with the current moment to obtain binding data and judging whether the intensity value and the frequency value in the metering data exceed preset standards or not; if the preset standard is exceeded, generating a prompt data frame based on the binding data, and if the preset standard is not exceeded, generating a measurement data frame based on the binding data, wherein the prompt data frame is used for prompting that the received radio frequency signal in the preset frequency band is abnormal or has no radio frequency signal in the preset frequency band; the measurement data frame is used for representing the strength and/or frequency of the radio frequency signal in the preset frequency band.

4. The device of claim 1, wherein the output data frame further comprises a distance value, the radio frequency signal detection device further comprising a ranging circuit;

the distance measurement circuit is used for acquiring a distance value between the current position and the designated position of the radio frequency signal detection equipment and sending the distance value to the data processing circuit, and the data processing circuit is used for generating the output data frame according to the metering data, the distance value and the current moment.

5. The device according to any of claims 1-4, wherein the output data frame further comprises data content, and the metering circuit is configured to measure the RF signal in the predetermined frequency band to obtain an intensity value, a frequency value, and data content of the RF signal in the predetermined frequency band.

6. The apparatus according to any one of claims 1 to 4, wherein the radio frequency signal detection apparatus further comprises a display unit; the display unit is connected with the output circuit;

and the display unit is used for receiving and displaying the output result output by the output circuit.

7. The apparatus of claim 6, wherein the display unit is connected to the data processing circuit;

the display unit is further configured to receive a parameter configuration instruction, and transmit the parameter configuration instruction to the data processing circuit, so that the data processing circuit performs parameter configuration and/or calibration according to the parameter configuration instruction; the parameter configuration instruction comprises a radio frequency signal configuration instruction and/or a distance value configuration instruction.

8. The device of any one of claims 1-4, wherein the radio frequency signal detection device further comprises a power source; the power supply is connected with the signal receiving circuit, the filter circuit, the signal metering circuit, the data processing circuit and the output circuit;

the power supply is used for supplying power to the radio frequency signal detection equipment.

9. The apparatus according to any one of claims 1 to 4, wherein the radio frequency signal detection apparatus further comprises a radio frequency antenna unit; the radio frequency antenna power supply is connected with the signal receiving loop;

the radio frequency antenna unit is used for receiving a preset frequency band radio frequency signal in the detection range and sending the preset frequency band radio frequency signal to the signal receiving circuit.

10. The device according to any one of claims 1-4, wherein the radio frequency signal detection device further comprises an alarm unit; the alarm unit is connected with the data processing circuit;

and the alarm unit is used for receiving an alarm control instruction sent by the data processing circuit and triggering alarm operation under the condition that the data processing circuit outputs a prompt data frame.

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