CN109143185A - A kind of temperature-compensation method, power detection device and radar system - Google Patents
A kind of temperature-compensation method, power detection device and radar system Download PDFInfo
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- CN109143185A CN109143185A CN201810771318.8A CN201810771318A CN109143185A CN 109143185 A CN109143185 A CN 109143185A CN 201810771318 A CN201810771318 A CN 201810771318A CN 109143185 A CN109143185 A CN 109143185A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
- G01S7/40—Means for monitoring or calibrating
- G01S7/4004—Means for monitoring or calibrating of parts of a radar system
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Abstract
The embodiment of the present invention provides a kind of temperature-compensation method, power detection device and radar system.Temperature-compensation method, comprising: the environment temperature that temperature sensor measures is compared with preset temperature section；If environment temperature is in except preset temperature section, it is based on temperature compensation curve, environment temperature is compensated, to obtain compensation temperature；Wherein, temperature compensation curve is generated based on least square method.The embodiment of the present invention provides a kind of temperature-compensation method, directly the environment temperature that temperature sensor measures is compensated by temperature compensation curve to obtain true environment temperature, it is simple and efficient to handle, and, since temperature compensation curve is generated according to experimental data and based on least square method, therefore, curve high reliablity, compensation effect are promoted.
Description
Technical field
The present embodiments relate to power detection techniques field more particularly to a kind of temperature-compensation methods, power detection dress
It sets and radar system.
Background technique
Temperature sensor refers to the sensor that can be experienced temperature and be converted into usable output signal, due to usable output signal
There are certain corresponding relationships between temperature, therefore, corresponding temperature, therefore, temperature can be obtained by usable output signal
Sensor is commonly used in detection environment temperature.But due to the generally existing measurement error of currently used temperature sensor, that is, inspection
There are errors between the environment temperature and true environment temperature measured, and true environment temperature is higher, the environment detected
Temperature is lower.The reason of this phenomenon occur is that temperature sensor since the variation of environment temperature produces null offset, is led
It causes temperature sensor to change in the benchmark zero point of detection, deviates dead-center position.For some for detecting input signal function
The power detection device of rate, since the power that temperature can obtain detection has an impact, obtaining true environment temperature is
Urgent problem to be solved.
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, filled as power detection most important in radar system
It sets, existing power detection device typically directly passes through the pulsed RF signal power level of detection input, with specified data lattice
Formula is exported to terminal by cable interface and is shown, to assist operator quickly to detect, identify target.But in harsh ring
Under border, such as when low temperature, high temperature, input are high-frequency signal, input letter measured by existing power detection device
Number power error it is larger, therefore, reduce the measurement error of power detection device in radar system and be a problem to be solved.
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 temperature-compensation method, power detection device and radar system, existing to solve
Temperature-compensation method compensation effect is poor, power detection device measurement error under harsh environment is big, the power in radar system
The intelligence of detection device, the degree of modularity are relatively low, the single defect of function and operation mode, improve temperature-compensation method benefit
Effect is repaid, power detection device measurement error under harsh environment is reduced, improves the intelligence of radar system power detection part
Energyization, the degree of modularity provide diversified operation mode.
The embodiment of the present invention provides a kind of temperature-compensation method, comprising:
The environment temperature that temperature sensor measures is compared with preset temperature section；
If environment temperature is in except preset temperature section, it is based on temperature compensation curve, environment temperature is compensated,
To obtain compensation temperature；
Wherein, temperature compensation curve is generated based on least square method.
The embodiment of the present invention provides a kind of power detection device, comprising:
Power meter, for obtaining the power of input signal；
Temperature sensor, for obtaining environment temperature；
Processor, for executing above-mentioned temperature-compensation method, to obtain compensation temperature, and based on obtained compensation temperature
With the power of input signal, the compensation 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 compensation power of input signal；
Interactive device is electrically connected with power detection device, for realizing the data between power detection device and interactive device
Interaction.
A kind of temperature-compensation method, power detection device and radar system provided in an embodiment of the present invention, temperature-compensating side
Method directly compensates the environment temperature that temperature sensor measures by temperature compensation curve to obtain true environment temperature,
It is simple and efficient to handle, also, since temperature compensation curve is generated according to experimental data and based on least square method, it is bent
Line high reliablity, compensation effect are promoted.In power detection device, by the setting of temperature sensor and frequency meter, it can examine
The frequency for surveying environment temperature and input signal, so that processor determines whether according to the frequency of environment temperature and input signal to defeated
Enter signal and carry out temperature-compensating and/or frequency compensation, and when determining result to compensate, carries out temperature-compensating and/or frequency is mended
It repays, so that the input signal power that detection obtains is more accurate.Radar system, by using the function in the above embodiments
Rate detection device, the input signal power for enabling to detection to obtain is more accurate, and then assists operator more accurately
Detection, identification target；Meanwhile increasing the interactive device interacted with power detection device, effectively increase radar system function
The intelligence of rate detection part, the degree of modularity provide 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 temperature-compensation method flow chart provided in an embodiment of the present invention；
Fig. 2 is according to a kind of structural schematic diagram of power detection device provided in an embodiment of the present invention；
Fig. 3 is according to 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 temperature-compensation method flow chart provided in an embodiment of the present invention, as shown in Figure 1, this method comprises:
Step 101, the environment temperature that temperature sensor measures is compared with preset temperature section；
Step 102, if environment temperature is in except preset temperature section, it is based on temperature compensation curve, to environment temperature
It compensates, to obtain compensation temperature；
Wherein, temperature compensation curve is generated based on least square method.
It is understood that method provided in an embodiment of the present invention is to carry out temperature-compensating to temperature sensor, i.e., to temperature
The temperature that degree sensor measures compensates, to generate true environment temperature (namely compensation temperature).It is used in compensation process
Temperature compensation curve is arrived, which reflects the pass between the environment temperature measured and true environment temperature
System.Therefore, when knowing the environment temperature and temperature compensation curve that measure, true environment temperature can be obtained.
It should be noted that temperature compensation curve is generated according to experimental data and based on least square method, wherein experiment
Data are temperature sensor to be placed in incubator, and adjust multiple groups voltage/temperature data that Temperature of Warm Case is got.
Method provided in an embodiment of the present invention, the environment temperature that directly temperature sensor is measured by temperature compensation curve
It compensates to obtain true environment temperature, it is simple and efficient to handle, also, since temperature compensation curve is according to experimental data
And generated based on least square method, therefore, curve high reliablity, compensation effect is promoted.
Based on the above embodiment, it is based on temperature compensation curve, environment temperature is compensated, to obtain compensation temperature, it
Before further include:
Obtain the normal temperature of incubator locating for the output voltage values and the temperature sensor of the temperature sensor；
Obtain the output voltage values of temperature sensor at a temperature of various criterion；Based on least square method, passed according to the temperature
Output voltage values of sensor at a temperature of various criterion, obtain the temperature compensation curve of the temperature sensor.
It should be noted that the embodiment of the present invention is to obtain the process of the temperature compensation curve of temperature sensor.
Detailed process are as follows: temperature sensor is placed in incubator, and adjusts the normal temperature of incubator；
Every normal temperature for adjusting an incubator, records the normal temperature of incubator and the output voltage of temperature sensor
Value, as one group of experimental data；
The normal temperature of multiple incubator is adjusted, multiple groups experimental data is recorded；
The temperature compensation curve of temperature sensor is obtained according to multiple groups experimental data based on least square method.
Based on the above embodiment, it is based on least square method, it is defeated at a temperature of various criterion according to the temperature sensor
Voltage value out obtains the temperature compensation curve of the temperature sensor, further comprises:
Institute is obtained according to output voltage values of temperature sensor at a temperature of various criterion based on least square method
State zero-bit and sensitivity of the temperature sensor at a temperature of various criterion；Based on least square method, according to the temperature sensor
Zero-bit at a temperature of various criterion obtains the fitting formula of zero-bit；Based on least square method, existed according to the temperature sensor
Sensitivity at a temperature of various criterion obtains the fitting formula of sensitivity；The fitting of fitting formula and sensitivity based on zero-bit
Formula obtains the temperature compensation curve of the temperature sensor.
Specifically, the temperature sensor in the embodiment of the present invention is preferably pressure sensitivity temperature sensor, and pressure sensitivity temperature is passed
The drift of sensor, zero-bit and sensitivity is larger, also, varies with temperature generally non-linear.In order to improve temperature-compensating
Effect, using a kind of quadratic fit method based on least square method.
Define be measured pressure sensitive value be p, temperature sensor at room temperature (20 DEG C) zero-bit be a0, sensitivity b0、
Output voltage values U0Are as follows:
U0=a0+b0*p (1)
It is t, the output voltage values U of sensor when uncompensated in temperaturetAre as follows:
Ut=at+bt*p (2)
Wherein, atAnd btRespectively zero-bit and sensitivity of the temperature sensor at temperature t.
It is tested, is obtained under different normal temperatures by incubator, under different pressures influence value, the output electricity of temperature sensor
Pressure value.For same normal temperature, output voltage values and pressure sensitive value p are once linear relationship, anti-by least square method
Solve zero-bit and sensitivity.
The zero-bit and sensitivity of temperature sensor under each normal temperature can be obtained by above-mentioned experiment.Because of zero-bit and sensitive
Degree is nonlinear change, therefore, using quadratic equation, and reuses least square method and is fitted to obtain the fitting formula of zero-bit
With the fitting formula of sensitivity, compensation precision is improved.Specifically, it is based on least square method, according to zero under multiple normal temperatures
Position, obtains the fitting formula of zero-bit, obtains sensitivity according to the sensitivity under multiple normal temperatures based on least square method
Fitting formula.The fitting formula of fitting formula and sensitivity based on zero-bit, obtains the temperature compensation curve of temperature sensor.
Table 1 is the zero-bit table of same normal temperature lower sensor, and table 2 is the sensitivity of same normal temperature lower sensor
Table defines zero-bit atFitting formula be
at=x1+y1*t+z1*t2 (3)
Define sensitivity btFitting formula be
bt=x2+y2*t+z2*t2 (4)
By table 1, it is directed to x respectively1、y1、z1Local derviation is sought, it is counter to solve x1、y1、z1Value, so as to find out zero-bit atFitting
Formula is directed to x by table 2 respectively2、y2、z2Local derviation is sought, it is counter to solve x2、y2、z2Value, so as to find out sensitivity btFitting it is public
Formula.
Table 1 is the zero-bit table of same normal temperature lower sensor
Table 2 is the sensitivity table of same normal temperature lower sensor
Based on the above embodiment, the fitting formula of the fitting formula based on zero-bit and sensitivity obtains the temperature sensing
The temperature compensation curve of device further comprises:
The fitting formula of fitting formula and sensitivity based on zero-bit, obtain to the output voltage of the temperature sensor into
The compensation Output Voltage Formula obtained after row compensation；Output electricity based on compensation Output Voltage Formula and the temperature sensor
Corresponding relationship between pressure and temperature, obtains the temperature compensation curve of the temperature sensor.
Specifically, the fitting formula of the fitting formula based on zero-bit and sensitivity is obtained to the defeated of the temperature sensor
The compensation Output Voltage Formula obtained after voltage compensates out are as follows:
U’t=a0+(Ut-at)/bt*b0；
Wherein, U 'tFor the compensation output voltage of temperature sensor, UtFor the output voltage of temperature sensor.Since temperature passes
The output voltage and temperature of sensor have corresponding relationship, therefore, U 'tIt is corresponding with a temperature, UtAlso it is corresponding with a temperature, by
This can obtain the temperature compensation curve of temperature sensor.
Fig. 2 is according to a kind of structural schematic diagram of power detection device provided in an embodiment of the present invention, as shown in Fig. 2, should
Device includes:
Power meter, for obtaining the power of input signal；
Temperature sensor, for obtaining environment temperature；
Processor, for executing above-mentioned temperature-compensation method, to obtain compensation temperature, and based on obtained compensation temperature
With the power of input signal, the compensation power of input signal is obtained.
It is understood that power detection device is used to detect the power of input signal, since temperature can obtain detection
Power have an impact, therefore, it is most important to obtain true environment temperature.Device in the embodiment of the present invention include at least with
Lower three modules:
Power meter, temperature sensor and processor；Wherein, power meter is used to obtain the power of input signal, due to temperature
It influences, the value is there may be large error, the compensation temperature that therefore, it is necessary to first obtain compensating temperature, and is based on
The power of obtained compensation temperature and input signal obtains the compensation power of input signal.
It should be noted that the power based on obtained compensation temperature and input signal, obtains the compensation function of input signal
The process of rate are as follows:
According to the power of obtained compensation temperature and input signal, table lookup operation is carried out, obtains compensation power.It needs to illustrate
, temperature is stored in the table, the corresponding relationship between the power measured and calibration power (namely compensation power).Therefore,
According to the power of compensation temperature and input signal, table lookup operation is carried out, compensation power can be obtained.
Device provided in an embodiment of the present invention can detect environment temperature, so that processor by the setting of temperature sensor
Determined whether to carry out input signal temperature-compensating according to environment temperature, and when determining result to compensate, carry out temperature-compensating,
So that the input signal power that detection obtains is more accurate.
Based on the above embodiment, the device further include:
Frequency meter, for obtaining the frequency of input signal；Correspondingly, processor is also used to the frequency according to input signal,
Determine whether to carry out the frequency of input signal frequency compensation, and when judgement result is to carry out frequency benefit to the frequency of input signal
When repaying, frequency compensation is carried out to the frequency of input signal, to obtain compensation frequency.
It should be noted that since the frequency of input signal can also have an impact power detection, in order to further
The accuracy for improving power detection, can be increased frequency meter in power detection device, be detected with the frequency to input signal,
And the frequency that will test is sent to processor, so that processor carries out the frequency of input signal and predeterminated frequency section
It compares, when except the frequency of input signal being in predeterminated frequency section, it is compensated to generate compensation frequency.
Device provided in an embodiment of the present invention, by the setting of temperature sensor and frequency meter, can detect environment temperature and
The frequency of input signal, so that processor determines whether to carry out temperature to input signal according to the frequency of environment temperature and input signal
Degree compensation and/or frequency compensation, and when determining result to compensate, temperature-compensating and/or frequency compensation are carried out, so that inspection
The input signal power measured is more accurate.
Based on the above embodiment, processor is also used to based on obtained compensation temperature, compensate the function of frequency and input signal
Rate obtains the compensation power of input signal.
It should be noted that in embodiments of the present invention, processor is according to obtained compensation temperature, compensation frequency and input
The power of signal carries out table lookup operation, to determine the compensation power of input signal.It is understood that table in the embodiment of the present invention
Different from table in above-described embodiment, what the table in the embodiment of the present invention stored is temperature, frequency, the power and calibration power measured
Corresponding relationship between (namely compensation power).Therefore, it according to compensation temperature, the power of compensation power and input signal, carries out
Table lookup operation can obtain compensation power.
Based on the above embodiment, the 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, is used for analog voltage signal
After being converted to digital voltage signal, it is input in processor 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, the device further include:
Power module is electrically connected with processor and peak power detection module, for being processor and peak power detection
Module for power supply.
Specifically, power module is electrically connected with processor and peak power detection module.Since processor and the present invention are real
The all functional modules direct or indirect connection in example is applied, therefore, power module can be each function in the embodiment of the present invention
It can module offer electric energy.Power module includes that exchange is electrically accessed submodule and energy storage submodule, wherein exchange is electrically accessed submodule
It can be directly accessed electric main, after carrying out AC-DC conversion to electric main, direct current is exported, needs to illustrate
It is that exchange is electrically accessed after submodule can also carry out decompression processing to direct current to export.Exchange, which is electrically accessed submodule, can also wrap
Include main power source subelement and backup power source subelement.Wherein, backup power source subelement is used to break down in main power source subelement
When, electric energy is provided for processor and peak power detection module.Energy storage submodule is for storing electric energy, in the feelings of no external power supply
Under condition, electric energy is provided for processor 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. 3 is according to a kind of structural schematic diagram of radar system provided in an embodiment of the present invention, as shown in figure 3, the system
Include:
Above-mentioned power detection device, for obtaining the compensation power of input signal；
Interactive device is electrically connected with power detection device, for realizing the data between power detection device and interactive device
Interaction.
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 and friendship
Data interaction between mutual 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 after obtaining peripheral operation and being converted to command adapted thereto, so that
Processor work is obtained under relevant work mode；Wherein, operating mode includes default mode, temperature-compensating mode, frequency compensation
One of mode and sleep pattern are a variety of.
It is understood that the processor in power detection module can be automatically according to the frequency of environment temperature and input signal
Rate judges whether to compensate input signal accordingly, if need to compensate, executes corresponding compensating operation.And at this
In inventive embodiments, the operation of the available user of interactive device, and sent after the operation of user is converted to corresponding instruction
To processor, it is set to execute temperature-compensating and/frequency compensation, that is, to manually adjust the operating mode of processor.It needs to illustrate
It is that operating mode includes: one of default mode, temperature-compensating mode, frequency compensation mode and sleep pattern or a variety of.Its
In, default mode and sleep pattern can customize.Also, processor is simultaneously operable in temperature-compensating mode and frequency compensation
Under 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, so that generating alarm when the power that detects of processor is greater than power detection section right endpoint corresponding power
Instruction.
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 is managed, so that processor 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, and the power for the frequency of occurrences to be greater than judgement probability value stores.
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 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.
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 and interactive device electrical connection are managed, for realizing the data exchange of processor and interactive device.It can be realized using universal cordage,
Such as the cable of RS232 level.
To sum up, a kind of power detection device provided in an embodiment of the present invention, by the setting of temperature sensor and frequency meter,
The frequency of detectable environment temperature and input signal, so that processor determines whether according to the frequency of environment temperature and input signal
Temperature-compensating and/or frequency compensation are carried out to input signal, and when determining result to compensate, carry out temperature-compensating and/or frequency
Rate compensation, so that the input signal power that detection obtains is more accurate.Radar system provided in an embodiment of the present invention, passes through
Using the power detection device provided in above-described embodiment, the input signal power for enabling to detection to obtain is more accurate, into
And it assists operator to detect more accurately, identify target；Meanwhile increasing and interacting dress with what power detection device interacted
It sets, effectively increases intelligence, the degree of modularity of radar system power detection part, provide diversified operation mode.
Also, has stronger versatility, power detection module Interface design complexity is low, can meet plurality of devices power detection need
It asks.Also modularized design is used inside power detection module, and unit replacement is facilitated to upgrade.Detection accuracy is high, using 24bits high
Precision analog-to-digital 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 temperature-compensation method characterized by comprising
The environment temperature that temperature sensor measures is compared with preset temperature section；
If environment temperature is in except preset temperature section, it is based on temperature compensation curve, environment temperature is compensated, with
To compensation temperature；
Wherein, temperature compensation curve is generated based on least square method.
2. environment temperature is compensated the method according to claim 1, wherein being based on temperature compensation curve,
To obtain compensation temperature, before further include:
Obtain the normal temperature of incubator locating for the output voltage values and the temperature sensor of the temperature sensor；
Obtain the output voltage values of temperature sensor at a temperature of various criterion；
The temperature is obtained according to output voltage values of temperature sensor at a temperature of various criterion based on least square method
Spend the temperature compensation curve of sensor.
3. according to the method described in claim 2, it is characterized in that, being existed based on least square method according to the temperature sensor
Output voltage values at a temperature of various criterion obtain the temperature compensation curve of the temperature sensor, further comprise:
The temperature is obtained according to output voltage values of temperature sensor at a temperature of various criterion based on least square method
Spend zero-bit and sensitivity of the sensor at a temperature of various criterion；
Based on least square method, according to zero-bit of temperature sensor at a temperature of various criterion, the fitting for obtaining zero-bit is public
Formula；
The quasi- of sensitivity is obtained according to sensitivity of temperature sensor at a temperature of various criterion based on least square method
Close formula；
The fitting formula of fitting formula and sensitivity based on zero-bit, obtains the temperature compensation curve of the temperature sensor.
4. according to the method described in claim 3, it is characterized in that, the fitting of fitting formula and sensitivity based on zero-bit is public
Formula obtains the temperature compensation curve of the temperature sensor, further comprises:
The output voltage of the temperature sensor is mended in the fitting formula of fitting formula and sensitivity based on zero-bit, acquisition
The compensation Output Voltage Formula obtained after repaying；
Based on the corresponding relationship between compensation Output Voltage Formula and the output voltage and temperature of the temperature sensor, obtain
The temperature compensation curve of the temperature sensor.
5. a kind of power detection device characterized by comprising
Power meter, for obtaining the power of input signal；
Temperature sensor, for obtaining environment temperature；
Processor requires any temperature-compensation method of 1-4 for perform claim, to obtain compensation temperature, and is based on
The power of the compensation temperature and input signal that arrive obtains the compensation power of input signal.
6. device according to claim 5, which is characterized in that further include:
Frequency meter, for obtaining the frequency of input signal；Correspondingly,
Processor is also used to the frequency according to input signal, determines whether to carry out frequency compensation to the frequency of input signal, and work as
Determine that result is frequency compensation to be carried out to the frequency of input signal, when carrying out frequency compensation to the frequency of input signal to obtain
Compensate frequency.
7. device according to claim 6, which is characterized in that processor is also used to based on obtained compensation temperature, compensates
The power of frequency and input signal obtains the compensation power of input signal.
8. device according to claim 5, 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 as input signal.
9. device according to claim 8, which is characterized in that further include:
Power module is electrically connected with processor and peak power detection module, for being processor and peak power detection module
Power supply.
10. a kind of radar system characterized by comprising
Power detection device as claimed in claim 7, for obtaining the compensation power of input signal；
Interactive device is electrically connected with power detection device, for realizing the data interaction between power detection device and interactive device.
Priority Applications (1)
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110686352A (en) * | 2019-09-26 | 2020-01-14 | 珠海格力电器股份有限公司 | Temperature detection value compensation method and device, storage medium and air conditioner |
| CN111966142A (en) * | 2020-08-14 | 2020-11-20 | 深圳市欧瑞博科技股份有限公司 | Intelligent temperature detection method and device and intelligent control device |
| CN113268917A (en) * | 2021-04-29 | 2021-08-17 | 杭州魔点科技有限公司 | Temperature measurement method, system, electronic device and storage medium |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050000290A1 (en) * | 2003-06-19 | 2005-01-06 | Pierre-Marie Petit | Method for correcting pressure measurement for the influence of temperature in a sapphire gauge |
| CN102611389A (en) * | 2006-07-21 | 2012-07-25 | 三菱电机株式会社 | Modulation signal generation circuit, sending and receiving module and radar device |
| CN102680121A (en) * | 2011-03-09 | 2012-09-19 | 北京君禾盛世环保科技有限公司 | Intelligent indoor temperature acquirer |
| CN103353356A (en) * | 2013-07-02 | 2013-10-16 | 晶锋集团股份有限公司 | Highly-precise temperature-measuring method and system employing same |
| CN104316759A (en) * | 2014-10-10 | 2015-01-28 | 中国电子科技集团公司第四十一研究所 | Continuous wave power probe |
| CN104569935A (en) * | 2013-10-18 | 2015-04-29 | 黑拉许克联合股份有限公司 | Radar apparatus and method for operating a radar apparatus |
| CN104697497A (en) * | 2015-02-28 | 2015-06-10 | 湖北三江航天红峰控制有限公司 | Digital tilt sensor and temperature nonlinear compensation method thereof |
| CN204789983U (en) * | 2015-06-25 | 2015-11-18 | 深圳市华信天线技术有限公司 | Velocity radar temperature compensating system |
| JP2017215294A (en) * | 2016-06-02 | 2017-12-07 | 三菱電機株式会社 | Transmitter receiver and transmission/reception method |
-
2018
- 2018-07-13 CN CN201810771318.8A patent/CN109143185A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050000290A1 (en) * | 2003-06-19 | 2005-01-06 | Pierre-Marie Petit | Method for correcting pressure measurement for the influence of temperature in a sapphire gauge |
| CN102611389A (en) * | 2006-07-21 | 2012-07-25 | 三菱电机株式会社 | Modulation signal generation circuit, sending and receiving module and radar device |
| CN102680121A (en) * | 2011-03-09 | 2012-09-19 | 北京君禾盛世环保科技有限公司 | Intelligent indoor temperature acquirer |
| CN103353356A (en) * | 2013-07-02 | 2013-10-16 | 晶锋集团股份有限公司 | Highly-precise temperature-measuring method and system employing same |
| CN104569935A (en) * | 2013-10-18 | 2015-04-29 | 黑拉许克联合股份有限公司 | Radar apparatus and method for operating a radar apparatus |
| CN104316759A (en) * | 2014-10-10 | 2015-01-28 | 中国电子科技集团公司第四十一研究所 | Continuous wave power probe |
| CN104697497A (en) * | 2015-02-28 | 2015-06-10 | 湖北三江航天红峰控制有限公司 | Digital tilt sensor and temperature nonlinear compensation method thereof |
| CN204789983U (en) * | 2015-06-25 | 2015-11-18 | 深圳市华信天线技术有限公司 | Velocity radar temperature compensating system |
| JP2017215294A (en) * | 2016-06-02 | 2017-12-07 | 三菱電機株式会社 | Transmitter receiver and transmission/reception method |
Non-Patent Citations (2)
| Title |
|---|
| 张艳峰 等: "基于最小二乘法的压力传感器温度补偿算法", 《计算机测量与控制》 * |
| 黄小静: "《气象用铂电阻温度传感器误差及补偿探讨》", 《气象科技》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110686352A (en) * | 2019-09-26 | 2020-01-14 | 珠海格力电器股份有限公司 | Temperature detection value compensation method and device, storage medium and air conditioner |
| CN111966142A (en) * | 2020-08-14 | 2020-11-20 | 深圳市欧瑞博科技股份有限公司 | Intelligent temperature detection method and device and intelligent control device |
| CN113268917A (en) * | 2021-04-29 | 2021-08-17 | 杭州魔点科技有限公司 | Temperature measurement method, system, electronic device and storage medium |
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