CN109188072A - A kind of power detection device, radar system - Google Patents
A kind of power detection device, radar system Download PDFInfo
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- CN109188072A CN109188072A CN201810772589.5A CN201810772589A CN109188072A CN 109188072 A CN109188072 A CN 109188072A CN 201810772589 A CN201810772589 A CN 201810772589A CN 109188072 A CN109188072 A CN 109188072A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R21/00—Arrangements for measuring electric power or power factor
- G01R21/133—Arrangements for measuring electric power or power factor by using digital technique
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Power Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Radar Systems Or Details Thereof (AREA)
Abstract
The embodiment of the present invention provides a kind of power detection device, radar system.Power detection device, comprising: temperature detecting module, for detecting environment temperature；Frequency detection module, for detecting the frequency of input signal；Processor module, it is electrically connected with temperature detecting module and frequency detection module, for receiving input signal, and according to the frequency of environment temperature and input signal, determine whether to carry out temperature-compensating and/or frequency compensation to input signal, and according to determine result execute corresponding operating after, obtain the power of input signal.Pass through the setting of temperature detecting module and frequency detection module, the frequency of detectable environment temperature and input signal, so that processor module determines whether to carry out temperature-compensating and/or frequency compensation to input signal according to the frequency of environment temperature and input signal, and when determining result to compensate, temperature-compensating and/or frequency compensation are carried out, so that the input signal power that detection obtains is more accurate.
Description
Technical field
The present embodiments relate to power detection techniques field more particularly to a kind of power detection devices, radar system.
Background technique
Radar is " radio detection and ranging ", means the sky for finding target with the method for radio and measuring them
Between position.Therefore, radar is also referred to as " radio-positioning ".Radar is the electronic equipment using electromagnetic wave detection target.Radar
Transmitting electromagnetic wave is irradiated to target and receives its echo, becomes thus to obtain distance, the distance of target to electromagnetic emission point
The information such as rate (radial velocity), orientation, height.
In radar system, as power detection device most important in radar system, existing power detection device is logical
Often directly exported by cable interface to terminal by the pulsed RF signal power level of detection input with specified data format
It is shown, to assist operator quickly to detect, identify target.But under harsh environment, such as in low temperature, high temperature, defeated
Enter for when high-frequency signal, the power error of input signal measured by existing power detection device is larger, therefore, drop
The measurement error of power detection device is a problem to be solved in low radar system.
Further, in radar system, the intelligence of power detection device, the degree of modularity are relatively low, function and operation
Mode is single, therefore, how further to effectively improve intelligence, the degree of modularity of radar system power detection part, provides
Diversified operation mode is also a problem to be solved.
Summary of the invention
The embodiment of the present invention provides a kind of power detection device, radar system, to solve existing power detection device
The intelligence of big, in radar system the power detection device of measurement error, the degree of modularity are relatively low under harsh environment, function and
The single defect of operation mode reduces power detection device measurement error under harsh environment, improves radar system power
The intelligence of detection part, the degree of modularity provide diversified operation mode.
The embodiment of the present invention provides a kind of power detection device, comprising:
Temperature detecting module, for detecting environment temperature；
Frequency detection module, for detecting the frequency of input signal；
Processor module is electrically connected with temperature detecting module and frequency detection module, for receiving input signal, and according to
The frequency of environment temperature and input signal, determines whether to carry out input signal temperature-compensating and/or frequency compensation, and according to sentencing
After determining result execution corresponding operating, the power of input signal is obtained.
The embodiment of the present invention provides a kind of radar system, comprising:
Above-mentioned power detection device, for obtaining the power of input signal；
Interactive device is electrically connected with power detection device, is handed over for realizing the data between processor module and interactive device
Mutually.
A kind of power detection device provided in an embodiment of the present invention, radar system pass through temperature detecting module and frequency inspection
The setting of module is surveyed, can detect the frequency of environment temperature and input signal, so that processor module is according to environment temperature and input
The frequency of signal determines whether to carry out input signal temperature-compensating and/or frequency compensation, and when determining result to compensate, into
Trip temperature compensation and/or frequency compensation, so that the input signal power that detection obtains is more accurate.The embodiment of the present invention mentions
The radar system of confession, by using above-mentioned power detection device, the input signal power for enabling to detection to obtain is more smart
Standard, and then operator is assisted to detect more accurately, identify target；Meanwhile increasing and being interacted with power detection device
Interactive device effectively increases intelligence, the degree of modularity of radar system power detection part, provides diversified operation
Mode.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is this hair
Bright some embodiments for those of ordinary skill in the art without creative efforts, can be with root
Other attached drawings are obtained according to these attached drawings.
Fig. 1 is a kind of structural schematic diagram of power detection device provided in an embodiment of the present invention；
Fig. 2 is a kind of structural schematic diagram of radar system provided in an embodiment of the present invention.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
Every other embodiment obtained without creative efforts, shall fall within the protection scope of the present invention.
Fig. 1 is a kind of structural schematic diagram of power detection device provided in an embodiment of the present invention, as shown in Figure 1, the system
Include:
Temperature detecting module, for detecting environment temperature；
Frequency detection module, for detecting the frequency of input signal；
Processor module is electrically connected with temperature detecting module and frequency detection module, for receiving input signal, and according to
The frequency of environment temperature and input signal, determines whether to carry out input signal temperature-compensating and/or frequency compensation, and according to sentencing
After determining result execution corresponding operating, the power of input signal is obtained.
Power detection device is used to detect the power of input signal and is exported, and the embodiment of the present invention considers harsh ring
The big situation of measurement error, is integrated with temperature detecting module and frequency detection module in power detection device under border.Wherein, warm
Degree detection module will test result and be sent to processor module for detecting environment temperature, and frequency detection module is for detecting
The frequency of input signal, and will test result and be sent to processor module, so that processor module is according to two received
Testing result determines whether to compensate input signal.
It is to be appreciated that power detection device has a normal temperature section, if environment temperature is located at normal temperature section
It is interior, then large effect will not be generated to the power that power detection device detects.Conversely, then needing to carry out temperature-compensating.
Similarly, power detection device has a normal frequency section, if the frequency of input signal is located in normal frequency section, no
Large effect can be generated to the power that power detection device detects.Conversely, then needing to carry out frequency compensation.If environment temperature
Degree is not located at normal temperature section, and frequency is also not located in normal frequency section, then needs to carry out temperature-compensating and frequency
Compensation.
It should be noted that processor module is also used to receive input signal, and according to determine whether to input signal into
Go compensating as a result, obtaining the power of input signal after execution corresponding operation and being exported.
A kind of power detection device provided in an embodiment of the present invention passes through setting for temperature detecting module and frequency detection module
It sets, can detect the frequency of environment temperature and input signal, so that frequency of the processor module according to environment temperature and input signal
Determine whether to carry out input signal temperature-compensating and/or frequency compensation, and when determining result to compensate, carries out temperature-compensating
And/or frequency compensation, so that the input signal power that detection obtains is more accurate.
Based on the above embodiment, power detection device further include:
Peak power detection module carries out detection for receiving external signal, and to external signal, characterizes RF function with output
The analog voltage signal of rate level；
Analog-to-digital conversion module is electrically connected with peak power detection module, for analog voltage signal to be converted to digital electricity
After pressing signal, it is input in processor module as input signal.
Specifically, for peak power detection module for receiving external signal, usual external signal is with continuous wave and pulse
The form of wave signal is input in peak power detection module.Peak power detection module to continuous wave and pulse wave signal into
Row detection, the analog voltage of output characterization RF power level, and be transmitted in analog-to-digital conversion module, to carry out A/D sampling, by mould
Quasi- voltage signal sampling is the digital voltage signal of 24bits precision.Using 24bits high precision analogue conversion module, detection essence
Degree is high, to quickly capture the variation of magnitude of power.
Based on the above embodiment, power detection device further include:
Power module is electrically connected with processor module and peak power detection module, for being processor module and peak value
Power detection module power supply.
Specifically, power module is electrically connected with processor module and peak power detection module.Due to processor module with
All functional modules direct or indirect connection in the embodiment of the present invention, therefore, power module can be in the embodiment of the present invention
Each functional module provide electric energy.Power module includes that exchange is electrically accessed submodule and energy storage submodule, wherein alternating current connects
Electric main can be directly accessed by entering submodule, and after carrying out AC-DC conversion to electric main, direct current is exported, and be needed
It is noted that exchange is electrically accessed after submodule can also carry out decompression processing to direct current and exports.Exchange is electrically accessed submodule
Block may also include main power source subelement and backup power source subelement.Wherein, backup power source subelement is used in main power source subelement
When failure, electric energy is provided for processor module and peak power detection module.Energy storage submodule is for storing electric energy, in nothing
In the case where external power supply, electric energy is provided for processor module and peak power detection module.
On this basis, power module can also include power management submodule.Power management submodule is for monitoring master
The operating status of power supply subelement and backup power source subelement, and break down in main power source subelement or backup power source subelement
When switch over, to ensure the stable operation of power detection device.
Fig. 2 is a kind of structural schematic diagram of radar system provided in an embodiment of the present invention, as shown in Fig. 2, the system includes:
Above-mentioned power detection device, for obtaining the power of input signal；
Interactive device is electrically connected with power detection device, is handed over for realizing the data between processor module and interactive device
Mutually.
The specific structure and function of power detection device are described in detail in the above-described embodiments, and the embodiment of the present invention is to it
It repeats no more.Further include interactive device in the embodiment of the present invention, be electrically connected with power detection device, for realizing processor module
Data interaction between interactive device.
It should be noted that power detection device and interactive device can be two discrete components, also can integrate in
One.Interactive device can obtain the operation of user, and be sent to power detection device after being converted to corresponding instruction, so that function
Rate detection device executes corresponding operation.
System provided in an embodiment of the present invention can be made by using the power detection device provided in above-described embodiment
The input signal power that must be detected is more accurate, and then operator is assisted to detect more accurately, identify target；Together
When, increase the interactive device interacted with power detection device, effectively increases the intelligence of radar system power detection part
Change, the degree of modularity, provides diversified operation mode.
Based on the above embodiment, system provided in an embodiment of the present invention, further includes:
Antenna assembly is sent to peak power detection module for receiving external signal, and by external signal.
Wherein, external signal is the signal that the object detected is reflected back, usually with the shape of continuous wave and pulse wave signal
Formula is received and is exported into peak power detection module.
Based on the above embodiment, system provided in an embodiment of the present invention, further includes:
Display module, for showing the power of input signal.
Specifically, the power for the input signal that power detection device will test passes through cable with specified data format
Output to terminal is shown, to assist operator quickly to detect, identify target.
Based on the above embodiment, system provided in an embodiment of the present invention, interactive device further include:
Operating mode selecting module is sent to processor module after obtaining peripheral operation and being converted to command adapted thereto,
So that processor module work is under relevant work mode；Wherein, operating mode include default mode, temperature-compensating mode,
One of frequency compensation mode and sleep pattern are a variety of.
It is understood that the processor module in power detection device can be automatically according to environment temperature and input signal
Frequency, judge whether to compensate input signal accordingly, if need to compensate, execute corresponding compensating operation.And
In embodiments of the present invention, the operation of the available user of interactive device, and after the operation of user is converted to corresponding instruction
It is sent to processor module, so that it is executed temperature-compensating and/frequency compensation, that is, to manually adjust the operating mode of processor module.
It should be noted that operating mode includes: one in default mode, temperature-compensating mode, frequency compensation mode and sleep pattern
Kind is a variety of.Wherein, default mode and sleep pattern can customize.Also, processor module is simultaneously operable to be mended in temperature
It repays under mode and frequency compensation mode.
Based on the above embodiment, system provided in an embodiment of the present invention, interactive device further include:
Power detection setting module is sent to after obtaining the power detection section of input and being converted to command adapted thereto
Processor module, so that when the power that detects of processor module is greater than power detection section right endpoint corresponding power,
Generate alarm command.
Specifically, technical staff by visualization interface can the monitored power of sets itself range.When input signal
When power is more than or equal to set lowest threshold and is less than or equal to set highest threshold value, effectively, show value changes for detection；
When being less than set lowest threshold, detection is invalid, and show value is constant, this function can effectively reduce noise signal to power mould
The interference of block.When input power value is greater than set highest threshold value, processor generates alarm command and is kept away with alarming
Exempt from excessively high signal power to damage device noise.
Based on the above embodiment, system provided in an embodiment of the present invention, interactive device further include:
Probability setting module is adjudicated, after obtaining the judgement probability value of input and being converted to command adapted thereto, is sent to place
Device module is managed, so that processor module obtains the power that the frequency of occurrences is greater than judgement probability value；
Correspondingly, power detection device, further includes:
Memory module is electrically connected with processor module, and the power for the frequency of occurrences to be greater than judgement probability value is deposited
Storage.
Specifically, technical staff by visualization interface can sets itself monitored performance number appearance probability, when a certain
When the frequency that performance number occurs is greater than set probability, this records of values in a storage module and is alarmed.
Based on the above embodiment, system provided in an embodiment of the present invention, interactive device further include:
Enquiry module is sent to processor module after receiving inquiry request and being converted to command adapted thereto, is deposited with calling
The frequency of occurrences stored in storage module is greater than the power of judgement probability value, and is shown.
Specifically, repeated detection performance number and time of origin are all put on record in log, convenient to check in the future
Comparison.
It should be noted that power detection device further includes interface module, the input/output terminal of interface module respectively with place
Device module and interactive device electrical connection are managed, for realizing the data exchange of processor module and interactive device.It can use general
Cable is realized, such as the cable of RS232 level.
To sum up, a kind of power detection device provided in an embodiment of the present invention, passes through temperature detecting module and frequency detecting mould
The setting of block can detect the frequency of environment temperature and input signal, so that processor module is according to environment temperature and input signal
Frequency determine whether to carry out input signal temperature-compensating and/or frequency compensation, and when determining result for compensation, carry out temperature
Degree compensation and/or frequency compensation, so that the input signal power that detection obtains is more accurate.It is provided in an embodiment of the present invention
Radar system, by using the power detection device provided in above-described embodiment, the input signal function for enabling to detection to obtain
Rate is more accurate, and then operator is assisted to detect more accurately, identify target；Meanwhile increase and power detection device into
The interactive device of row interaction, effectively increases intelligence, the degree of modularity of radar system power detection part, provides multiplicity
The operation mode of change.Also, has stronger versatility, power detection device Interface design complexity is low, can meet a variety of set
Standby power detection demand.Also modularized design is used inside power detection device, and unit replacement is facilitated to upgrade.Detection accuracy is high,
Using 24bits high precision analogue conversion module, to quickly capture the variation of magnitude of power.
Finally, it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
Present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: it still may be used
To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features；
And these are modified or replaceed, technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution spirit and
Range.
Claims (10)
1. a kind of power detection device characterized by comprising
Temperature detecting module, for detecting environment temperature；
Frequency detection module, for detecting the frequency of input signal；
Processor module is electrically connected with temperature detecting module and frequency detection module, for receiving input signal, and according to environment
The frequency of temperature and input signal determines whether to carry out input signal temperature-compensating and/or frequency compensation, and is tied according to judgement
After fruit executes corresponding operating, the power of input signal is obtained.
2. the apparatus according to claim 1, which is characterized in that further include:
Peak power detection module carries out detection for receiving external signal, and to external signal, with output characterization RF power electricity
Flat analog voltage signal；
Analog-to-digital conversion module is electrically connected with peak power detection module, for analog voltage signal to be converted to digital voltage letter
After number, it is input in processor module as input signal.
3. the apparatus of claim 2, which is characterized in that further include:
Power module is electrically connected with processor module and peak power detection module, for being processor module and peak power
Detection module power supply.
4. a kind of radar system characterized by comprising
Any power detection device of claim 2-3, for obtaining the power of input signal；
Interactive device is electrically connected with power detection device, for realizing the data interaction between processor module and interactive device.
5. system according to claim 4, which is characterized in that further include:
Antenna assembly is sent to peak power detection module for receiving external signal, and by external signal.
6. system according to claim 4, which is characterized in that interactive device further include:
Display module, for showing the power of input signal.
7. system according to claim 4, which is characterized in that interactive device further include:
Operating mode selecting module is sent to processor module after obtaining peripheral operation and being converted to command adapted thereto, so that
Processor module work is obtained under relevant work mode；Wherein, operating mode includes default mode, temperature-compensating mode, frequency
One of compensation model and sleep pattern are a variety of.
8. system according to claim 4, which is characterized in that interactive device further include:
Power detection setting module is sent to processing after obtaining the power detection section of input and being converted to command adapted thereto
Device module, so that being generated when the power that detects of processor module is greater than power detection section right endpoint corresponding power
Alarm command.
9. system according to claim 4, which is characterized in that interactive device further include:
Probability setting module is adjudicated, after obtaining the judgement probability value of input and being converted to command adapted thereto, is sent to processor
Module, so that processor module obtains the power that the frequency of occurrences is greater than judgement probability value；
Correspondingly, power detection device, further includes:
Memory module is electrically connected with processor module, and the power for the frequency of occurrences to be greater than judgement probability value stores.
10. system according to claim 9, which is characterized in that interactive device further include:
Enquiry module is sent to processor module after receiving inquiry request and being converted to command adapted thereto, to call storage mould
The frequency of occurrences stored in block is greater than the power of judgement probability value, and is shown.
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| CN201810772589.5A CN109188072A (en) | 2018-07-13 | 2018-07-13 | A kind of power detection device, radar system |
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Cited By (1)
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| CN113189513A (en) * | 2021-04-29 | 2021-07-30 | 电子科技大学 | Ripple-based redundant power supply current sharing state identification method |
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