CN109687916A - A kind of radio frequency power calibration method and prover - Google Patents
A kind of radio frequency power calibration method and prover Download PDFInfo
- Publication number
- CN109687916A CN109687916A CN201811408532.3A CN201811408532A CN109687916A CN 109687916 A CN109687916 A CN 109687916A CN 201811408532 A CN201811408532 A CN 201811408532A CN 109687916 A CN109687916 A CN 109687916A
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- radio frequency
- frequency power
- radio
- power calibration
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/10—Monitoring; Testing of transmitters
- H04B17/101—Monitoring; Testing of transmitters for measurement of specific parameters of the transmitter or components thereof
- H04B17/102—Power radiated at antenna
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R21/00—Arrangements for measuring electric power or power factor
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/10—Monitoring; Testing of transmitters
- H04B17/11—Monitoring; Testing of transmitters for calibration
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K9/00—Screening of apparatus or components against electric or magnetic fields
- H05K9/0007—Casings
- H05K9/005—Casings being nesting containers
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- General Physics & Mathematics (AREA)
- Monitoring And Testing Of Transmission In General (AREA)
Abstract
The present invention relates to a kind of radio frequency power calibration method and provers, calibration method includes: S1, configures to the radio frequency parameter of radio-frequency devices to be measured, radio frequency parameter includes carrier gains, and the carrier radio frequency signal of one group of predetermined power is emitted by radio frequency power calibration instrument control system radio-frequency devices to be measured；S2, radio frequency power calibration instrument control power detection device detected carrier radiofrequency signal；S3, it is obtained from radio-frequency devices to be measured and converts the first measured value formed by carrier radio frequency signal, and obtain the second measured value of the carrier radio frequency signal that detection obtains from power detection device；S4, radio frequency power calibration coefficient is calculated according to carrier gains, the first measured value and the second measured value.Compared with prior art, the present invention can detect to obtain multiple groups calibration data in a short time, can achieve quickly calibrated effect, and can be improved calibration efficiency, not only it is avoided that mistake due to human factors in manually calibration process, moreover it is possible to so that calibration process accurate quick.
Description
Technical field
The present invention relates to telecommunication technology fields, more particularly, to a kind of radio frequency power calibration method and prover.
Background technique
Radio frequency identification (RFID) tester is widely used in the research and development, production, test of RFID card, and RFID tester includes
There are RFID transmitter and RFID receiver, transmitter launches required RFID signal, and RFID card receives this RFID signal
Afterwards, signal transmitting being gone back again after decoding, radio frequency testing instrument receives the signal that RFID card is sent back again and correctly demodulates, therefore,
Whether radio frequency identification tester is accurately and reliably for will be extremely important in the test of RFID card.
Existing radio frequency power calibration device has the disadvantage that
1. in order to guarantee the precision of radio-frequency power, the means currently generallyd use are to carry out manual calibration to radio-frequency devices,
The carrier radio frequency signal value to yield value and the transmitting of radio-frequency devices antenna port is recorded, then calculates two calibration factors by formula,
Calibration coefficient value is write into the register of radio-frequency devices again, that is, completes the calibration to radio-frequency power, it in this way can be one
Determine the precision for guaranteeing radio-frequency power in degree, the method is carried out by the way of artificial, cause whole process cumbersome, due to
Manual operation also easily malfunctions, and low efficiency.
2. other radio frequency power calibration device is required to plug when in use, but will affect measurement into dust inside socket
Precision, while radio frequency power calibration device will receive the influence of external electromagnetic factor, causes the data of detection to be inaccurate, makes error
Become larger, influences calibration efficiency.
Summary of the invention
It is an object of the present invention to overcome the above-mentioned drawbacks of the prior art and provide a kind of radio frequency power calibrations
Method and prover.
The purpose of the present invention can be achieved through the following technical solutions:
A kind of radio frequency power calibration method, comprising the following steps:
S1, the radio frequency parameter of radio-frequency devices to be measured is configured, the radio frequency parameter includes carrier gains, passes through radio frequency
Calibration of power instrument control system radio-frequency devices to be measured emit the carrier radio frequency signal of one group of predetermined power；
S2, radio frequency power calibration instrument control power detection device detect the carrier radio frequency signal；
S3, it is obtained from radio-frequency devices to be measured and converts the first measured value formed by carrier radio frequency signal, and examined from power
Survey the second measured value that device obtains the carrier radio frequency signal that detection obtains；
S4, radio frequency power calibration coefficient is calculated according to carrier gains, the first measured value and the second measured value.
Preferably, step S1~S4 circulation repeatedly, obtains multiple calibration of power coefficients.
Preferably, the power detection device is microwave power meter.
A kind of radio frequency power calibration instrument using above-mentioned radio frequency power calibration method, including radio frequency power calibration instrument ontology,
The radio frequency power calibration instrument ontology is equipped with display, key, switch button and plug panel, which is characterized in that described to penetrate
It is equipped with computing module in frequency calibration of power instrument ontology, control module, obtains module and uploading module, the control module, acquisition
Input terminal of the output end of module and uploading module respectively all with the computing module carries out data transmission.
Preferably, it is equipped with multiple sockets in the plug panel, and is evenly distributed in the plug panel, plug panel
It is equipped with the panel sealing lid of folding.
Preferably, the outer cover of the radio frequency power calibration instrument ontology be equipped with rubber protecting jacket, the rubber protecting jacket with
The radio frequency power calibration instrument ontology is detachably connected.
Preferably, the inside of the rubber protecting jacket is embedded with gauze screen, and the gauze screen is covered to the radio-frequency power
The outside of prover ontology.
Compared with prior art, the invention has the following advantages that
1, it can detect to obtain multiple groups calibration data in a short time, can achieve quickly calibrated effect, and can be improved
Calibration efficiency is not only avoided that mistake due to human factors in manually calibration process, moreover it is possible to so that calibration process is quasi-
It is really quick.
2, rubber protecting jacket protects the body fuselage of radio frequency power calibration instrument, and can provide crusherbull zone, will not
By greater impact.
3, rubber protecting jacket has gauze screen, mixed and disorderly external signal can be shielded, to improve calibration accuracy.
4, after use, it can be used for seal socket, outside can be prevented by panel sealing lid lid to plug panel
Dust debris enter the reduction of measurement precision caused by socket.
Detailed description of the invention
Fig. 1 is radio frequency power calibration method schematic diagram in the present invention；
Fig. 2 is the structural schematic diagram of radio frequency power calibration instrument in the present invention；
Fig. 3 is the structural schematic diagram of plug panel in the present invention.
In figure: 1, radio frequency power calibration instrument ontology；11, rubber protecting jacket；12, display；13, key；14, switch is pressed
Button；15, plug panel；151, panel sealing lid；152, socket.
Specific embodiment
The present invention is described in detail with specific embodiment below in conjunction with the accompanying drawings.The present embodiment is with technical solution of the present invention
Premised on implemented, the detailed implementation method and specific operation process are given, but protection scope of the present invention is not limited to
Following embodiments.
Embodiment
As shown in Figure 1, the application proposes a kind of radio frequency power calibration method, comprising the following steps:
S1, it is configured by radio frequency parameter of the automatic calibration of power software to radio-frequency devices to be measured, radio frequency parameter includes
Carrier gains, and the parameter of power detection device is configured, it can thus complete to radio-frequency devices transmission power to be measured
It is default, and accurate reception of the power detection device to carrier radio frequency signal can be controlled；
Emit the carrier radio frequency signal of one group of predetermined power by radio frequency power calibration instrument control system radio-frequency devices to be measured；
S2, radio frequency power calibration instrument send sense command to power detection device to control power detection device detected carrier
Radiofrequency signal；
S3, it is obtained from radio-frequency devices to be measured and converts the first measured value formed by carrier radio frequency signal, and examined from power
Survey the second measured value that device obtains the carrier radio frequency signal that detection obtains；
S4, radio frequency power calibration coefficient is calculated according to carrier gains, the first measured value and the second measured value.
Step S1~S4 circulation repeatedly, obtains multiple calibration of power coefficients.Radio frequency is judged according to same group of multiple measured values
Whether the calibration of power succeeds, if so, terminating calibration process；If it is not, then sending failure command, choose whether to re-start radio frequency
The calibration of power.
As shown in Fig. 2, the application also proposes a kind of radio frequency power calibration instrument using above-mentioned radio frequency power calibration method, packet
Include radio frequency power calibration instrument ontology 1.The front surface of radio frequency power calibration instrument ontology 1 is equipped with the display 12 being fixedly connected, and aobvious
Show that device 12 and external power supply are electrically connected.The front surface of radio frequency power calibration instrument ontology 1 is additionally provided with 13 He of key being fixedly connected
Switch button 14, and display 12 and switch button 14 are electrically connected.The rear wall of radio frequency power calibration instrument ontology 1, which is equipped with, to be inserted
Head plate 15.
It is equipped with computing module in radio frequency power calibration instrument ontology, control module, obtains module and uploading module, controls mould
The output end of block, acquisition module and uploading module all carries out data transmission with the input terminal of computing module respectively.
There are multiple sockets 152 in plug panel 15, be specially four in the present embodiment, and be evenly distributed on plug panel
On 15.The outside of plug panel 15 is additionally provided with openable and closable panel sealing lid 151, in the present embodiment, panel sealing lid 151 and inserts
Head plate 15 is rotatably connected, and after use, panel sealing lid 151 can be covered onto plug panel 15, is used for seal socket
152, it can prevent external dust sundries from entering measurement precision caused by socket 152 not high.
The outer cover of radio frequency power calibration instrument ontology 1 is equipped with rubber protecting jacket 11, rubber protecting jacket 11 and radio-frequency power school
Quasi- instrument 1 is detachably connected, and the inside of rubber protecting jacket 11 is embedded with gauze screen, and gauze screen is covered to radio frequency power calibration instrument 1
It is external.By there is the rubber protecting jacket 11 of gauze screen in the outer cover setting tool of radio frequency power calibration instrument ontology 1, rubber can be passed through
Protective case 11 protects the body fuselage of radio frequency power calibration instrument 1, and can provide crusherbull zone, not will receive larger punching
It hits, can be shielded mixed and disorderly external signal by gauze screen, to improve calibration accuracy.
On the one hand the radio frequency power calibration instrument is used to send control command to radio-frequency devices to be measured to control RF device to be measured
Part work, and radio-frequency devices internal running parameter to be measured is configured, and read the operational data of the radio-frequency devices to be measured.The radio frequency
On the other hand calibration of power instrument is also used to send sense command and the detection of readout power detection device to power detection device
Data.Wherein, RF power apparatus can be the PC machine equipped with radio-frequency power auto-calibration software；Power detection device can be
Microwave power meter.Power supply provides 220V AC power source for PC machine and microwave power meter, provides 12V DC electricity for radio-frequency devices to be measured
Source.
Radio frequency power calibration instrument working principle and process for using:
After radio frequency power calibration instrument installs, firstly, passing through usb bus and radio frequency to be measured using automatic calibration of power software
Device is communicated, and realizes the configuration to the radio frequency parameter of radio-frequency devices to be measured；It is communicated by serial ports and control microwave power meter,
Realize the parameter setting to microwave power meter；Later, it opens radio-frequency power to calibrate automatically, be passed through by automatic calibration of power software
Radio-frequency devices subcarrier gain value to be measured is arranged in USB and starting radio-frequency devices to be measured send carrier signal, steady to carrier radio frequency signal
After fixed, automatic calibration of power software sends the order for reading carrier radio frequency signal value by serial ports to microwave power meter；Read again to
Survey the measured value that carrier signal is converted to by radio-frequency devices automatically by analog-digital converter；Several periods are recycled, multiple groups are recorded
The carrier radio frequency signal value and itself modulus of radio-frequency devices to be measured that radio-frequency devices subcarrier gain value to be measured, microwave power meter are read turn
The measured value that parallel operation converts carrier radio frequency signal；Automatic calibration of power software obtains two by certain algorithm according to this multi-group data
A calibration factor, then the two calibration factors are write into the corresponding register of radio-frequency devices to be measured, complete the calibration of power.
Claims (7)
1. a kind of radio frequency power calibration method, which comprises the following steps:
S1, the radio frequency parameter of radio-frequency devices to be measured is configured, the radio frequency parameter includes carrier gains, passes through radio-frequency power
Prover controls the carrier radio frequency signal that radio-frequency devices to be measured emit one group of predetermined power；
S2, radio frequency power calibration instrument control power detection device detect the carrier radio frequency signal；
S3, it is obtained from radio-frequency devices to be measured and converts the first measured value formed by carrier radio frequency signal, and filled from power detection
Set the second measured value for obtaining the carrier radio frequency signal that detection obtains；
S4, radio frequency power calibration coefficient is calculated according to carrier gains, the first measured value and the second measured value.
2. a kind of radio frequency power calibration method according to claim 1, which is characterized in that step S1~S4 circulation is more
It is secondary, obtain multiple calibration of power coefficients.
3. a kind of radio frequency power calibration method according to claim 1, which is characterized in that the power detection device is micro-
Wave power meter.
4. a kind of radio frequency power calibration instrument using any radio frequency power calibration method of claims 1 to 3, including radio frequency
Calibration of power instrument ontology (1), the radio frequency power calibration instrument ontology (1) are equipped with display (12), key (13), switch button
(14) and plug panel (15), which is characterized in that computing module, control mould are equipped in the radio frequency power calibration instrument ontology (1)
Block obtains module and uploading module, the control module, obtain the output end of module and uploading module respectively all with the calculating
The input terminal of module carries out data transmission.
5. a kind of radio frequency power calibration instrument according to claim 4, which is characterized in that be equipped in the plug panel (15)
Multiple sockets (152), and be evenly distributed on the plug panel (15), plug panel (15) is equipped with the panel sealing of folding
It covers (151).
6. a kind of radio frequency power calibration instrument according to claim 4, which is characterized in that the radio frequency power calibration instrument ontology
(1) outer cover is equipped with rubber protecting jacket (11), and the rubber protecting jacket (11) and the radio frequency power calibration instrument ontology (1) can
Dismantling connection.
7. a kind of radio frequency power calibration instrument according to claim 4, which is characterized in that the rubber protecting jacket (11) it is interior
Portion is embedded with gauze screen, and the gauze screen is covered to the outside of the radio frequency power calibration instrument ontology (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811408532.3A CN109687916A (en) | 2018-11-23 | 2018-11-23 | A kind of radio frequency power calibration method and prover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811408532.3A CN109687916A (en) | 2018-11-23 | 2018-11-23 | A kind of radio frequency power calibration method and prover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109687916A true CN109687916A (en) | 2019-04-26 |
Family
ID=66185415
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811408532.3A Pending CN109687916A (en) | 2018-11-23 | 2018-11-23 | A kind of radio frequency power calibration method and prover |
Country Status (1)
| Country | Link |
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| CN (1) | CN109687916A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113067602A (en) * | 2021-03-18 | 2021-07-02 | 深圳市共进电子股份有限公司 | Method, device, terminal and storage medium for determining calibration parameters |
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| CN203967367U (en) * | 2014-05-22 | 2014-11-26 | 上胜企业有限公司 | Electrical outlets |
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| CN113067602A (en) * | 2021-03-18 | 2021-07-02 | 深圳市共进电子股份有限公司 | Method, device, terminal and storage medium for determining calibration parameters |
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Application publication date: 20190426 |