CN105553580A - Detection method - Google Patents
Detection method Download PDFInfo
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- CN105553580A CN105553580A CN201510884384.2A CN201510884384A CN105553580A CN 105553580 A CN105553580 A CN 105553580A CN 201510884384 A CN201510884384 A CN 201510884384A CN 105553580 A CN105553580 A CN 105553580A
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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
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/74—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems
- G01S13/76—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems wherein pulse-type signals are transmitted
- G01S13/765—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems wherein pulse-type signals are transmitted with exchange of information between interrogator and responder
-
- 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
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/74—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems
- G01S13/76—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems wherein pulse-type signals are transmitted
- G01S13/767—Responders; Transponders
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- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Mobile Radio Communication Systems (AREA)
- Monitoring And Testing Of Transmission In General (AREA)
Abstract
The invention discloses a detection method and solves a problem that work precision of a responder can not be easily detected in the prior art. The detection method comprises steps that a target frequency value and a target power value of a signal are acquired by a responder; on the basis of the target frequency value and the target power value, a power level signal is sent by the responder through an output end to a power probe; the power level signal is converted by the power probe through a conversion circuit into an electric characteristic signal, and the electric characteristic signal is sent to a measurement receiver; a power value of the power level signal is determined by the measurement receiver according to the electric characteristic signal, and the power value is compared with the target power value.
Description
Technical field
The present invention relates to electronic technology field, particularly a kind of detection method.
Background technology
Answering machine is can when receiving request-information message signal, automatically to the electronic equipment that signal gives a response.In aerospace applications, answering machine is mainly as the aerial CAS (TrafficCollisionAvoidanceSystem on auxiliary aviation traffic control and machine; Be called for short: TCAS) use, the job stability of answering machine and precision very important for the safe operation of spacecraft.
But the operating accuracy at present for answering machine lacks effective detection method, causes aviation safety to there is hidden danger.
Summary of the invention
The embodiment of the present application provides a kind of detection method, for solving in prior art the problem being difficult to the operating accuracy detecting answering machine.
First aspect, the embodiment of the present application provides a kind of detection method, comprising:
Answering machine obtains target frequency value and the target power value of signal;
Based on described target frequency value and described target power value, described answering machine by output to power probe transmission power level signal;
Described power level signal is converted to the feature signal of telecommunication by change-over circuit by described power probe, and the described feature signal of telecommunication is sent to measuring receiver;
Measuring receiver determines the performance number of described power level signal according to the described feature signal of telecommunication, and the described performance number obtained and described target power value is compared.
Optionally, in described answering machine by output to before power probe transmission power level signal, described method also comprises:
The working signal that the power level that described measuring receiver Received signal strength generator sends is 0dBm, frequency values is described target power value.
Optionally, before the power level sent at described measuring receiver Received signal strength generator is 0dBm, frequency values is the working signal of described target power value, described method also comprises:
When described measuring receiver is connected with described power probe, described measuring receiver carries out self calibration according to calibration circuit.
Optionally, the output of described answering machine is antenna output end;
In described answering machine by output to before power probe transmission power level signal, also comprise:
Mode of operation is switched to antenna carrier mode of operation by described answering machine.
Optionally, the output of described answering machine is radio-frequency (RF) output end;
In described answering machine by output to before power probe transmission power level signal, also comprise:
Mode of operation is switched to radio-frequency carrier mode of operation by described answering machine.
Second aspect, the embodiment of the present application provides a kind of detection method, comprising:
Answering machine obtains the target pulse parameter of signal;
Based on described target pulse parameter, described answering machine sends output signal by output to wave detector;
Described wave detector leaches pulse signal by detecting circuit is demodulated from described output signal, and described pulse signal is sent to oscilloscope;
The pulse parameter of described pulse signal determined by oscilloscope, and the described pulse parameter determined and described target pulse parameter compared.
Optionally, answering machine by output to wave detector send output signal before, described method also comprises:
Mode of operation is switched to answering machine XPDR pattern by described answering machine.
Optionally, before described pulse signal is sent to oscilloscope by described wave detector, described method also comprises:
The impedance of the input be connected with described wave detector is set to 50 Ω by described oscilloscope.
Optionally, described target pulse parameter comprises: at least one item in pulse spacing, pulse duration, rise time, fall time, phase transitions time.
The one or more technical schemes provided in the embodiment of the present application, at least have following technique effect or advantage:
In the embodiment of the present application, the output signal of answering machine is transferred to characteristic signal that measuring receiver can determine performance number by power probe, and then make the measuring receiver feature based signal of telecommunication determine the actual power value of output signal, and compare with the target power value of output signal, intuitively to know the precision that answering machine outputs signal.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the embodiment of the present application, below the accompanying drawing used required in describing embodiment is briefly introduced, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the schematic diagram of detection system in the embodiment of the present application;
Fig. 2 is the flow process intention of a kind of detection method in the embodiment of the present application;
Fig. 3 is the schematic diagram of another detection system in the embodiment of the present application;
Fig. 4 is the schematic flow sheet of another detection method in the embodiment of the present application.
Embodiment
Below by accompanying drawing and specific embodiment, technical solution of the present invention is described in detail, the specific features being to be understood that in the embodiment of the present application and embodiment is the detailed description to technical solution of the present invention, instead of the restriction to technical solution of the present invention, when not conflicting, the technical characteristic in the embodiment of the present application and embodiment can combine mutually.
First introduce the equipment related in the embodiment of the present application, Fig. 1 is the schematic diagram of the system of the performance number precision of output signal for detecting answering machine.
Wherein, answering machine 10 when receiving request-information message signal, can give a response signal automatically, and such as, the signal returned by blank pipe answering machine, can know the parameters such as the flying height of aircraft, flying speed, course and flight safety event.The performance number that answering machine 10 sends signal is for the anti-interference of signal and accurately resolved extremely important, and therefore, detecting answering machine 10, to send the accuracy of the performance number of signal most important.
Generally, the power of signal can be determined by the magnitude of voltage of measuring-signal or current value, but, when the frequency of signal higher (as close to 1GHz), curtage along lossless transmission line change in location and change, but the power of signal is constant.In the embodiment of the present application, high-frequency signal answering machine sent by power probe 20 is converted to the signal of telecommunication can determining performance number.Wherein, power probe 20 can be any one in thermosensitive resistance type power probe, thermocouple type power probe, detector diode type power probe, fluid load power probe, Hull effect semi-conductor type power probe, electron beam type power probe, will not limit in the embodiment of the present application.
Measuring receiver 30 transforms the signal generated according to power probe, determine the performance number that answering machine outputs signal.
The schematic flow sheet of the detection method that Fig. 2 provides for the embodiment of the present application, this detection method comprises the steps:
Step 401: answering machine obtains target frequency value and the target power value of signal;
Step 402: based target frequency values and target power value, answering machine by output to power probe transmission power level signal;
Step 403: power level signal is converted to the feature signal of telecommunication by change-over circuit by power probe, and the feature signal of telecommunication is sent to measuring receiver;
Step 404: the performance number of acquisition and target power value according to the performance number of feature signal of telecommunication determination power level signal, and compare by measuring receiver.
Concrete, in step 401, first answering machine determines target power value and the target frequency value of signal to be output, wherein, target power value and target frequency value manually can be inputted by user, and answering machine detects the numerical value determination target power value that user manually inputs and target frequency value by input unit.
Target power value and target frequency value also can be generated according to algorithm (or pre-set programs) by answering machine, and such as, first answering machine determines that target frequency value is 1kHz, target power value is 0dBm, wherein, dBm unit representation relative to the decibels of 1 milliwatt, 1W=30dBm.After testing one or more groups data, keep performance number constant, be adjusted to-3dBm by under target power value, after testing data, be adjusted to-6dBm by under target power value, until target power value is-60dBm.Then, changing target frequency value is 1.5kHz, and target power value is returned to 0dBm, and after testing data, holding frequency value is constant, lowers performance number and continues test, by that analogy, test data corresponding to multiple target power value respectively at each Frequency point.
In step 402, the output circuit of answering machine will generate signal according to target frequency value and target power value, and be exported the signal generated by output.If the precision of answering machine is high, the performance number of answering machine output signal will be similar to (or being in close proximity to) target power value, otherwise if the precision of answering machine is poor, the performance number of answering machine output signal will be larger in target power value difference.
In step 403, the power level signal that answering machine exports is converted to the feature signal of telecommunication by the change-over circuit of power probe, wherein, the concrete form of the feature signal of telecommunication is relevant to the particular type of power probe, such as, when power probe is thermosensitive resistance type power probe, power level signal is converted to the direct current signal of the resistance variations that can characterize power probe by power probe.Again such as, when power probe is thermocouple type power probe, power level signal is converted to the direct current signal that can characterize the thermoelectric force that thermocouple produces by power probe.Again such as, when power probe is crystal detection formula power probe, the electricity frequency signal of power is converted to low frequency or DC signal by power probe, and wherein, power probe is converted to the performance number of amplitude proportional in power level signal of signal.
In step 404, measuring receiver comprises signal amplification circuit, signal conversion circuit, and the feature signal of telecommunication that can export according to power probe determines performance number, and by output unit output power value, output unit can be display, also can be voice-output unit.
Then, the target power value when performance number of acquisition and answering machine output signal by measuring receiver compares, and can know the precision of answering machine.In actual conditions, in the several performance number of each test parameter (one group of target frequency value and target power value) many tests in place, its mean value can be got as measured power value.
In the embodiment of the present application, the output signal of answering machine is transferred to characteristic signal that measuring receiver can determine performance number by power probe, and then make the measuring receiver feature based signal of telecommunication determine the actual power value of output signal, and compare with the target power value of output signal, intuitively to know the precision that answering machine outputs signal.
Optionally, in the embodiment of the present application, before step 402, also comprise the steps:
The power level that measuring receiver Received signal strength generator sends is 0dBm, frequency values is the working signal of target power value.
In actual conditions, the power of the output signal of answering machine may not reach 0dBm, in this case, in order to ensure the accuracy of measuring receiver detection power value, before test Frequency point, for measuring receiver provides power to be the working signal of 0dBm.In the embodiment of the present application, by signal generator for measuring receiver provides identical with target frequency value, performance number is the working signal of 0dBm, and then makes measuring receiver can steady operation, ensures the accuracy of the measured power value determined.
Optionally, in the embodiment of the present application, before the power level sent is 0dBm, frequency values is the working signal of target power value, also comprise the steps: at measuring receiver Received signal strength generator
When measuring receiver is connected with power probe, measuring receiver carries out self calibration according to calibration circuit.
Concrete, measuring receiver, when connecting power probe, is calibrated measuring receiver by calibration circuit, ensures the accuracy of the performance number of test.
Optionally, in the embodiment of the present application, the output of answering machine is antenna output end.In step 402: based target frequency values and target power value, answering machine, is also comprised the steps: to before power probe transmission power level signal by output
Mode of operation is switched to antenna carrier mode of operation by answering machine.
Concrete, the mode of operation of answering machine is switched to antenna carrier mode of operation, exports high frequency power level signal by antenna output end, and then can detect by power probe and measuring receiver the power accuracy that antenna end outputs signal.
Optionally, in the embodiment of the present application, the output of answering machine is radio-frequency (RF) output end.In step 402: based target frequency values and target power value, answering machine by output to before power probe transmission power level signal, also bag following steps:
Mode of operation is switched to radio-frequency carrier mode of operation by answering machine.
Concrete, the mode of operation of answering machine is switched to radio-frequency carrier mode of operation, exports high frequency power level signal by radio-frequency (RF) output end, and then can detect by power probe and measuring receiver the power accuracy that radio-frequency head outputs signal.
In the technical scheme of the embodiment of the present application above-mentioned detection output signal power precision, when guaranteed output probe and the operating accuracy of measuring receiver, the error of the performance number of test is only within the scope of 0.2dB.
On the other hand, the embodiment of the present application also provides a kind of detection method detecting the pulse characteristic of answering machine output signal, and Fig. 3 is the schematic diagram of the test macro of test pulse characteristic.
Wherein, the signal that answering machine 10 exports is that a high-frequency signal carries a low frequency signal, and the ripple bag of output signal is base band low frequency signal.
Wave detector 50 receives the output signal of answering machine 10, and from output signal, demodulates base band low frequency signal by demodulator circuit and filter circuit, is pulse signal.
The pulse signal that oscilloscope 60 can export according to wave detector obtains the pulse parameter of signal.
Fig. 4 is the schematic flow sheet of the method detecting pulse signal precision, comprises the steps:
Step 701: answering machine obtains the target pulse parameter of signal;
Step 702: based target pulse parameter, answering machine sends output signal by output to wave detector;
Step 703: wave detector leaches pulse signal by detecting circuit is demodulated from output signal, and pulse signal is sent to oscilloscope;
Step 704: the pulse parameter of pulse signal determined by oscilloscope, and the pulse parameter determined and target pulse parameter are compared.
Concrete, in step 701, first answering machine determines the target pulse parameter of signal to be output, and wherein, target pulse parameter manually can be inputted by user, and answering machine detects by input unit the numerical value determination target pulse parameter that user manually inputs.Target pulse parameter also can be generated according to the algorithm prestored by answering machine automatically, and the embodiment of the present application will not limit.
In step 702, the output circuit of answering machine will generate signal according to target pulse parameter, and be exported the signal generated by output.If the precision of answering machine is high, the pulse parameter of answering machine output signal will be similar to (or being in close proximity to) target pulse parameter, otherwise if the precision of answering machine is poor, the pulse parameter of answering machine output signal will be larger in target pulse parameter difference.
In step 703, wave detector demodulates low frequency pulse signal according to demodulator circuit and filter circuit from the output signal of answering machine.
In step 704, the pulse parameter of low frequency pulse signal determined by oscilloscope, and it and target pulse parameter compared.
In actual conditions, oscilloscope by the display unit pulse signal that target pulse parameter is corresponding and the pulse signal that wave detector exports simultaneously, and then can also intuitively check out the operating accuracy of answering machine.
In the embodiment of the present application, from the output signal of answering machine, low frequency pulse signal is demodulated by wave detector, and determined the pulse parameter of pulse signal by oscilloscope, and compare with the target pulse parameter of output signal, intuitively to know the precision of the pulse signal that answering machine outputs signal.
Optionally, in the embodiment of the present application, in step 702: based target pulse parameter, answering machine by output to wave detector send output signal before, also comprise the steps:
Mode of operation is switched to answering machine XPDR pattern by answering machine.
Concrete, answering machine XPDR pattern is the mode of operation exporting antenna impulse signal, the mode of operation of answering machine is switched to XPDR pattern, by antenna output end output pulse signal, and then the precision of the pulse parameter that antenna end outputs signal can be detected by wave detector and oscilloscope.
Optionally, in the embodiment of the present application, in step 703: wave detector leaches pulse signal by detecting circuit is demodulated from output signal, and before pulse signal is sent to oscilloscope, also comprises the steps:
The impedance of the input be connected with wave detector is set to 50 Ω by oscilloscope.
Optionally, in the embodiment of the present application, target pulse parameter comprises: at least one item in pulse spacing, pulse duration, rise time, fall time, phase transitions time.
The one or more technical schemes provided in the embodiment of the present application, at least have following technique effect or advantage:
In the embodiment of the present application, the output signal of answering machine is transferred to characteristic signal that measuring receiver can determine performance number by power probe, and then make the measuring receiver feature based signal of telecommunication determine the actual power value of output signal, and compare with the target power value of output signal, intuitively to know the precision that answering machine outputs signal.
Those skilled in the art should understand, embodiments of the invention can be provided as method, system or computer program.Therefore, the present invention can adopt the form of complete hardware embodiment, completely software implementation or the embodiment in conjunction with software and hardware aspect.And the present invention can adopt in one or more form wherein including the upper computer program implemented of computer-usable storage medium (including but not limited to magnetic disc store, CD-ROM, optical memory etc.) of computer usable program code.
The present invention describes with reference to according to the flow chart of the method for the embodiment of the present application, equipment (system) and computer program and/or block diagram.Should understand can by the combination of the flow process in each flow process in computer program instructions realization flow figure and/or block diagram and/or square frame and flow chart and/or block diagram and/or square frame.These computer program instructions can being provided to the processor of all-purpose computer, special-purpose computer, Embedded Processor or other programmable data processing device to produce a machine, making the instruction performed by the processor of computer or other programmable data processing device produce device for realizing the function of specifying in flow chart flow process or multiple flow process and/or block diagram square frame or multiple square frame.
These computer program instructions also can be stored in can in the computer-readable memory that works in a specific way of vectoring computer or other programmable data processing device, the instruction making to be stored in this computer-readable memory produces the manufacture comprising command device, and this command device realizes the function of specifying in flow chart flow process or multiple flow process and/or block diagram square frame or multiple square frame.
Although describe the preferred embodiments of the present invention, those skilled in the art once obtain the basic creative concept of cicada, then can make other change and amendment to these embodiments.So claims are intended to be interpreted as comprising preferred embodiment and falling into all changes and the amendment of the scope of the invention.
Obviously, those skilled in the art can carry out various change and modification to the present invention and not depart from the spirit and scope of the present invention.Like this, if these amendments of the present invention and modification belong within the scope of the claims in the present invention and equivalent technologies thereof, then the present invention is also intended to comprise these change and modification.
Claims (9)
1. a detection method, is characterized in that, comprising:
Answering machine obtains target frequency value and the target power value of signal;
Based on described target frequency value and described target power value, described answering machine by output to power probe transmission power level signal;
Described power level signal is converted to the feature signal of telecommunication by change-over circuit by described power probe, and the described feature signal of telecommunication is sent to measuring receiver;
Measuring receiver determines the performance number of described power level signal according to the described feature signal of telecommunication, and the described performance number obtained and described target power value is compared.
2. the method for claim 1, is characterized in that, in described answering machine by output to before power probe transmission power level signal, also comprise:
The working signal that the power level that described measuring receiver Received signal strength generator sends is 0dBm, frequency values is described target power value.
3. method as claimed in claim 2, is characterized in that, before the power level sent is 0dBm, frequency values is the working signal of described target power value, also comprises at described measuring receiver Received signal strength generator:
When described measuring receiver is connected with described power probe, described measuring receiver carries out self calibration according to calibration circuit.
4. the method as described in any one of claims 1 to 3, is characterized in that, the output of described answering machine is antenna output end;
In described answering machine by output to before power probe transmission power level signal, also comprise:
Mode of operation is switched to antenna carrier mode of operation by described answering machine.
5. the method as described in any one of claims 1 to 3, is characterized in that, the output of described answering machine is radio-frequency (RF) output end;
In described answering machine by output to before power probe transmission power level signal, also comprise:
Mode of operation is switched to radio-frequency carrier mode of operation by described answering machine.
6. a detection method, is characterized in that, comprising:
Answering machine obtains the target pulse parameter of signal;
Based on described target pulse parameter, described answering machine sends output signal by output to wave detector;
Described wave detector leaches pulse signal by detecting circuit is demodulated from described output signal, and described pulse signal is sent to oscilloscope;
The pulse parameter of described pulse signal determined by oscilloscope, and the described pulse parameter determined and described target pulse parameter compared.
7. method as claimed in claim 6, is characterized in that, before answering machine sends output signal by output to wave detector, also comprises:
Mode of operation is switched to answering machine XPDR pattern by described answering machine.
8. method as claimed in claim 7, is characterized in that, before described pulse signal is sent to oscilloscope by described wave detector, also comprise:
The impedance of the input be connected with described wave detector is set to 50 Ω by described oscilloscope.
9. the method as described in any one of claim 6 to 8, is characterized in that, described target pulse parameter comprises: at least one item in pulse spacing, pulse duration, rise time, fall time, phase transitions time.
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| CN201510884384.2A CN105553580B (en) | 2015-12-03 | 2015-12-03 | A kind of detection method |
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| CN105553580B CN105553580B (en) | 2018-06-01 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106546845A (en) * | 2016-10-18 | 2017-03-29 | 四川九洲电器集团有限责任公司 | A kind of method of testing and test system of test transmitter unit |
| CN110109070A (en) * | 2019-04-01 | 2019-08-09 | 贵州航天电子科技有限公司 | A kind of high-power response apparatus test device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060239693A1 (en) * | 2005-04-22 | 2006-10-26 | Matsushita Electric Industrial Co., Ltd. | Communication apparatus |
| CN101439724A (en) * | 2008-12-31 | 2009-05-27 | 中国铁道科学研究院通信信号研究所 | Ground electronic apparatus |
| CN102082580A (en) * | 2009-11-27 | 2011-06-01 | 西安费斯达自动化工程有限公司 | Method for automatically transceiving signals for integrated TCAS (traffic collision avoidance system) |
-
2015
- 2015-12-03 CN CN201510884384.2A patent/CN105553580B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060239693A1 (en) * | 2005-04-22 | 2006-10-26 | Matsushita Electric Industrial Co., Ltd. | Communication apparatus |
| CN101439724A (en) * | 2008-12-31 | 2009-05-27 | 中国铁道科学研究院通信信号研究所 | Ground electronic apparatus |
| CN102082580A (en) * | 2009-11-27 | 2011-06-01 | 西安费斯达自动化工程有限公司 | Method for automatically transceiving signals for integrated TCAS (traffic collision avoidance system) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106546845A (en) * | 2016-10-18 | 2017-03-29 | 四川九洲电器集团有限责任公司 | A kind of method of testing and test system of test transmitter unit |
| CN110109070A (en) * | 2019-04-01 | 2019-08-09 | 贵州航天电子科技有限公司 | A kind of high-power response apparatus test device |
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| CN105553580B (en) | 2018-06-01 |
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