CN112019222A - Stray radiation testing method and system for transmitter - Google Patents
Stray radiation testing method and system for transmitter Download PDFInfo
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- CN112019222A CN112019222A CN202010904417.6A CN202010904417A CN112019222A CN 112019222 A CN112019222 A CN 112019222A CN 202010904417 A CN202010904417 A CN 202010904417A CN 112019222 A CN112019222 A CN 112019222A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/02—Transmitters
- H04B1/04—Circuits
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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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/10—Monitoring; Testing of transmitters
- H04B17/15—Performance testing
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Abstract
The invention aims to provide a method and a system for testing stray radiation of a transmitter, and the stray radiation testing scheme of the transmitter of the program control frequency spectrograph and the radio frequency switch can test 13Ghz, can cover GSM4 frequency full harmonic, WCDMA full frequency full harmonic and LTE full frequency full harmonic tests, and greatly improves the coverage; the single-tone signal can be tested, and the value taking precision in the time domain is high; in addition, the test efficiency of the spectrometer for reading harmonic values of 2,3, 4 and 5 times each time is greatly improved.
Description
Technical Field
The invention relates to a method and a system for testing stray radiation of a transmitter.
Background
The stray radiation of the transmitter refers to: radiation at discrete frequencies other than the carrier frequency and sidebands due to normal modulation and switching transients, and adjacent channels when modulated with a standard signal. The stray radiation may be harmonic components, intermodulation signals, etc. generated by some non-linear components.
The prior art uses CMW100 CMW500 to test the GSM third harmonic. The method comprises the following specific steps:
and for the GSM 900 enabling DUT to transmit a certain frequency point and a certain power signal of the GSM 900, setting the power of the CMW500 or CMW100 at the corresponding frequency multiplication position to be tested by a GPRF testing machine.
The existing test mode of the program control CMW500 CMW100+ coupling plate has the following problems:
firstly, only GSM harmonic tests smaller than 6Ghz can be tested, and the coverage is poor;
for signals from 5GHz to 6GHz, the test value of the 5-order harmonic GPRF test machine is inaccurate due to large instrument bottom noise, and the test precision is poor;
thirdly, because of the expected power dispersion of the stray test, each harmonic wave of the test needs to be tried to set three different levels of power values, and 2/3 time is wasted.
Disclosure of Invention
An object of the present invention is to provide a method and system for testing stray radiation of a transmitter.
According to an aspect of the invention, there is provided a method of spurious radiation testing of a transmitter, the method comprising:
connecting the program control frequency spectrograph with the radio frequency switch;
setting parameters of the program control frequency spectrograph and the transmitter;
the radio frequency switch receives a GSM4 frequency full harmonic signal, a WCDMA full frequency full harmonic signal or an LTE full frequency full harmonic signal sent by a transmitter with set parameters, filters the signal and sends the filtered signal to the program control frequency spectrograph;
and the program control frequency spectrograph with set parameters receives the filtered signals from the radio frequency switch, obtains harmonic values of the transmitter based on the filtered signals, and judges the size of the stray radiation of the transmitter based on the harmonic values.
Further, in the above method, setting parameters of the program-controlled spectrometer and the transmitter includes:
setting the program-controlled frequency spectrograph to be in a VISA communication mode;
setting a DUT (device under test) of a transmitter to transmit a main frequency signal;
initializing and setting the main frequency power of the program control frequency spectrograph;
setting the center frequency of the program-controlled frequency spectrograph;
and setting the line loss of the program control frequency spectrograph.
Further, in the above method, setting parameters of the program-controlled spectrometer and the transmitter includes:
setting the program-controlled frequency spectrograph to be in a VISA communication mode;
carrying out initialization setting on harmonic waves of the program-controlled frequency spectrograph;
setting the frequency doubling frequency of the program control frequency spectrograph;
and setting the line loss of the program control frequency spectrograph.
Further, in the above method, obtaining a harmonic value of the transmitter based on the filtered signal includes:
and selecting the maximum value of the index points of the tracking mode in the filtered signal as the harmonic value of the transmitter.
According to another aspect of the present invention, there is also provided a stray radiation testing system of a transmitter, wherein the system comprises:
the setting device is used for setting parameters of the program control frequency spectrograph and the transmitter;
the system comprises a program-controlled frequency spectrograph and a radio frequency switch, wherein the program-controlled frequency spectrograph is connected with the radio frequency switch; the radio frequency switch is used for receiving a GSM4 frequency full harmonic signal, a WCDMA full frequency full harmonic signal or an LTE full frequency full harmonic signal sent by the transmitter with set parameters, filtering the signal and sending the filtered signal to the program control frequency spectrograph; and the program control frequency spectrograph is used for receiving the filtered signals from the radio frequency switch, obtaining harmonic values of the transmitter based on the filtered signals, and judging the size of the stray radiation of the transmitter based on the harmonic values.
Further, in the above system, the setting device is configured to set the program-controlled spectrometer in a VISA communication mode; setting a DUT (device under test) of a transmitter to transmit a main frequency signal; initializing and setting the main frequency power of the program control frequency spectrograph; setting the center frequency of the program-controlled frequency spectrograph; and setting the line loss of the program control frequency spectrograph.
Further, in the above system, the setting device is configured to set the program-controlled spectrometer in a VISA communication mode; carrying out initialization setting on harmonic waves of the program-controlled frequency spectrograph; setting the frequency doubling frequency of the program control frequency spectrograph; and setting the line loss of the program control frequency spectrograph.
Further, in the above system, the program-controlled spectrometer is configured to select a maximum value of the scalar value points of the tracking pattern in the filtered signal as a harmonic value of the transmitter.
According to another aspect of the present invention, there is also provided a computing-based device, including:
a processor; and
a memory arranged to store computer executable instructions that, when executed, cause the processor to:
connecting the program control frequency spectrograph with the radio frequency switch;
setting parameters of the program control frequency spectrograph and the transmitter;
the radio frequency switch receives a GSM4 frequency full harmonic signal, a WCDMA full frequency full harmonic signal or an LTE full frequency full harmonic signal sent by a transmitter with set parameters, filters the signal and sends the filtered signal to the program control frequency spectrograph;
and the program control frequency spectrograph with set parameters receives the filtered signals from the radio frequency switch, obtains harmonic values of the transmitter based on the filtered signals, and judges the size of the stray radiation of the transmitter based on the harmonic values.
According to another aspect of the present invention, there is also provided a computer-readable storage medium having stored thereon computer-executable instructions, wherein the computer-executable instructions, when executed by a processor, cause the processor to:
connecting the program control frequency spectrograph with the radio frequency switch;
setting parameters of the program control frequency spectrograph and the transmitter;
the radio frequency switch receives a GSM4 frequency full harmonic signal, a WCDMA full frequency full harmonic signal or an LTE full frequency full harmonic signal sent by a transmitter with set parameters, filters the signal and sends the filtered signal to the program control frequency spectrograph;
and the program control frequency spectrograph with set parameters receives the filtered signals from the radio frequency switch, obtains harmonic values of the transmitter based on the filtered signals, and judges the size of the stray radiation of the transmitter based on the harmonic values.
Compared with the prior art, the stray radiation test scheme of the transmitter of the program control frequency spectrograph and the radio frequency switch can test 13Ghz, can cover GSM 4-frequency full harmonic, WCDMA full-frequency full harmonic and LTE full-frequency full harmonic tests, and greatly improves the coverage; the single-tone signal can be tested, and the value taking precision in the time domain is high; in addition, the test efficiency of the spectrometer for reading harmonic values of 2,3, 4 and 5 times each time is greatly improved.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments made with reference to the following drawings:
fig. 1 shows a flow chart of a method of testing spurious emissions of a transmitter according to an embodiment of the invention.
The same or similar reference numbers in the drawings identify the same or similar elements.
Detailed Description
The present invention is described in further detail below with reference to the attached drawing figures.
In a typical configuration of the present application, the terminal, the device serving the network, and the trusted party each include one or more processors (CPUs), input/output interfaces, network interfaces, and memory.
The memory may include forms of volatile memory in a computer readable medium, Random Access Memory (RAM) and/or non-volatile memory, such as Read Only Memory (ROM) or flash memory (flash RAM). Memory is an example of a computer-readable medium.
Computer-readable media, including both non-transitory and non-transitory, removable and non-removable media, may implement information storage by any method or technology. The information may be computer readable instructions, data structures, modules of a program, or other data. Examples of computer storage media include, but are not limited to, phase change memory (PRAM), Static Random Access Memory (SRAM), Dynamic Random Access Memory (DRAM), other types of Random Access Memory (RAM), Read Only Memory (ROM), Electrically Erasable Programmable Read Only Memory (EEPROM), flash memory or other memory technology, compact disc read only memory (CD-ROM), Digital Versatile Discs (DVD) or other optical storage, magnetic cassettes, magnetic tape, magnetic disk storage or other magnetic storage devices, or any other non-transmission medium that can be used to store information that can be accessed by a computing device. As defined herein, computer readable media does not include non-transitory computer readable media (transient media), such as modulated data signals and carrier waves.
The invention provides a stray radiation testing method of a transmitter, which comprises the following steps:
step S1, connecting the program control frequency spectrograph with the radio frequency switch;
step S2, setting parameters of the program control frequency spectrograph and the transmitter;
step S3, the radio frequency switch receives a GSM4 frequency full harmonic, WCDMA full frequency full harmonic or LTE full frequency full harmonic signal sent by a transmitter with set parameters, filters the signal and sends the filtered signal to a program control frequency spectrograph;
and step S4, the program control frequency spectrograph with set parameters receives the filtered signals from the radio frequency switch, obtains harmonic values of the transmitter based on the filtered signals, and judges the size of the stray radiation of the transmitter based on the harmonic values.
Here, the transmitter may be various devices having a communication function, such as a mobile phone, a watch, and the like.
The invention adopts the program control frequency spectrograph and the radio frequency switch, can test 13Ghz, can cover GSM4 frequency full harmonic, WCDMA full frequency full harmonic and LTE full frequency full harmonic tests, and greatly improves the coverage.
As shown in fig. 1, in an embodiment of the method for testing spurious radiation of a transmitter according to the present invention, in step S2, parameter setting is performed on the programmable spectrometer and the transmitter, including:
step S211, setting the program control frequency spectrograph to be in a VISA communication mode;
in this case, the program-controlled spectrometer FSV13 can be controlled in the VISA mode: specifically, the IDN may be sent using NI visaddl, and if the return contains FSV words, the NEW spectrometer object;
step S212, setting a DUT (device under test) of a transmitter to transmit a main frequency signal;
here, setting a DUT (device under test) of the transmitter to transmit a main frequency signal; taking GSM as an example, sending AT command (AT ^ MODEM ^ 1, AT ^ TMODE ^ 1, AT ^ FCHAN ^ 3,7,196, AT ^ FWAVE ^ 2,3200, AT ^ FTXON ^ 1);
step S213, initializing and setting the main frequency power of the program control frequency spectrograph;
here, the main frequency power of the program-controlled spectrometer is initialized, for example, Inp att, RLEV, etc.;
step S214, setting the center frequency of the program control frequency spectrograph;
here, the frequency point to be tested is set:
Write("FREQ:CENT％.2f MHz；",m_dTxFreq)；
step S215, setting the line loss of the program-controlled frequency spectrograph.
Here, a reference level offset is set. :
Write("DISP:TRAC:Y:RLEV:OFFS％.2fdB",dLoss)。
in this embodiment, if the GSM main frequency power is tested: setting a frequency spectrograph:
write (") RST"/reset.
Write ("INIT: CONT OFF")/switch to single scan mode.
Write ("BAND: RES 200 kHz; VID 200 kHz)/set resolution bandwidth of 200kHz and video bandwidth of 200 kHz.
Write ("FREQ: SPAN 0 Hz")/set frequency range is 0Hz time domain test.
Write ("SWE: TIME: AUTO OFF")/scan TIME without AUTO coupling.
Write ("SWE: TIME 5 ms")/set the scan TIME to 5 ms.
Write ("DET POS")/set the detector to "positive peak".
Write ("INP: ATT 20 dB")/set the input attenuation to 20 dB.
Write ("INP: GAIN: STAT ON")/turn ON the preamplifier.
Write ("DISP: TRAC: Y: RLEV 10 dBm")/set the reference level to 10 dBm.
In this embodiment, when the spectrometer reads the harmonic values of 2,3, 4, and 5 times every time, the step S214 and the step S215 are repeated to reset, and the step S211 to the step S213 do not need to be repeated, thereby greatly improving the testing efficiency.
As shown in fig. 1, in an embodiment of the method for testing spurious radiation of a transmitter according to the present invention, in step S2, parameter setting is performed on the programmable spectrometer and the transmitter, including:
step S221, setting the program-controlled frequency spectrograph to be in a VISA communication mode;
in this case, the program-controlled spectrometer FSV13 can be controlled in the VISA mode: specifically, the IDN may be sent using NI visaddl, and if the return contains FSV words, the NEW spectrometer object;
step S222, setting a DUT (device under test) of a transmitter to transmit a main frequency signal;
here, setting a DUT (device under test) of the transmitter to transmit a main frequency signal; taking GSM as an example, sending AT command (AT ^ MODEM ^ 1, AT ^ TMODE ^ 1, AT ^ FCHAN ^ 3,7,196, AT ^ FWAVE ^ 2,3200, AT ^ FTXON ^ 1);
step S223, carrying out initialization setting on the harmonic waves of the program control frequency spectrograph;
here, the harmonics of the programmable spectrometer are initially set, e.g., SWEEP TIME, INP ATT, etc.; in the step, the single-tone signal can be tested, and the value taking precision in the time domain is high;
step S224, setting the frequency doubling frequency of the program control frequency spectrograph;
here, the frequency point to be tested is set:
Write("FREQ:CENT％.2f MHz；",m_dTxFreq)；
and step S225, setting the line loss of the program control frequency spectrograph.
Here, the reference level offset amount is set:
Write("DISP:TRAC:Y:RLEV:OFFS％.2fdB",dLoss)。
in this embodiment, if the test is a GSM harmonic test: initialization setting of a frequency spectrograph:
write (") RST; reset
Write ("INIT: CONT OFF")/switch to single scan mode;
write ("BAND: RES 200 kHz; VID 200 kHz")/set the resolution bandwidth to 200kHz, the video bandwidth to 200 kHz;
write ("FREQ: SPAN 0 Hz")/set frequency range is 0Hz time domain test.
Write ("SWE: TIME: AUTO OFF")/scan TIME without AUTO coupling;
write ("SWE: TIME 5 ms")/set scan TIME to 5 ms;
write ("DET POS")/set the detector to "positive peak";
write ("INP: ATT 0 dB")/set the input attenuation to 0 dB;
write ("INP: GAIN: STAT ON")/turn ON the preamplifier.
Write ("DISP: TRAC: Y: RLEV-40 dBm")/set the reference level to-40 dBm.
In this embodiment, when the spectrometer reads the harmonic values of 2,3, 4, and 5 times each time, the step S224 and the step S225 need only be repeated to reset, and the step S221 to the step S223 need not be repeated, thereby greatly improving the testing efficiency.
As shown in fig. 1, in an embodiment of the method for testing stray radiation of a transmitter of the present invention, step S3, obtaining a harmonic value of the transmitter based on the filtered signal includes:
taking the maximum value of the mark point (TRACE MODE mark) of the tracking MODE in the filtered signal as the harmonic value of the transmitter.
Specifically, harmonic values are taken for judgment:
write ("DISP: TRAC1: MODE MAXH")/take the maximum value of TRAC 1.
Write ("INIT")/perform synchronous scanning.
Write ("xwai")/perform a synchronous scan.
Delay (500)/Delay 500 ms.
Write ("CALC: MARK1: MAX")/MARK the peak.
strRcve ═ Write _ Read ("CALC: MARK1: Y.
According to another aspect of the present invention, there is also provided a stray radiation testing system of a transmitter, wherein the system comprises:
the setting device is used for setting parameters of the program control frequency spectrograph and the transmitter;
the system comprises a program-controlled frequency spectrograph and a radio frequency switch, wherein the program-controlled frequency spectrograph is connected with the radio frequency switch; the radio frequency switch is used for receiving a GSM4 frequency full harmonic signal, a WCDMA full frequency full harmonic signal or an LTE full frequency full harmonic signal sent by the transmitter with set parameters, filtering the signal and sending the filtered signal to the program control frequency spectrograph; and the program control frequency spectrograph is used for receiving the filtered signals from the radio frequency switch, obtaining harmonic values of the transmitter based on the filtered signals, and judging the size of the stray radiation of the transmitter based on the harmonic values.
Further, in the above system, the setting device is configured to set the program-controlled spectrometer in a VISA communication mode; setting a DUT (device under test) of a transmitter to transmit a main frequency signal; initializing and setting the main frequency power of the program control frequency spectrograph; setting the center frequency of the program-controlled frequency spectrograph; and setting the line loss of the program control frequency spectrograph.
Further, in the above system, the setting device is configured to set the program-controlled spectrometer in a VISA communication mode; carrying out initialization setting on harmonic waves of the program-controlled frequency spectrograph; setting the frequency doubling frequency of the program control frequency spectrograph; and setting the line loss of the program control frequency spectrograph.
Further, in the above system, the program-controlled spectrometer is configured to select a maximum value of the scalar value points of the tracking pattern in the filtered signal as a harmonic value of the transmitter.
According to another aspect of the present invention, there is also provided a computing-based device, including:
a processor; and
a memory arranged to store computer executable instructions that, when executed, cause the processor to:
connecting the program control frequency spectrograph with the radio frequency switch;
setting parameters of the program control frequency spectrograph and the transmitter;
the radio frequency switch receives a GSM4 frequency full harmonic signal, a WCDMA full frequency full harmonic signal or an LTE full frequency full harmonic signal sent by a transmitter with set parameters, filters the signal and sends the filtered signal to the program control frequency spectrograph;
and the program control frequency spectrograph with set parameters receives the filtered signals from the radio frequency switch, obtains harmonic values of the transmitter based on the filtered signals, and judges the size of the stray radiation of the transmitter based on the harmonic values.
According to another aspect of the present invention, there is also provided a computer-readable storage medium having stored thereon computer-executable instructions, wherein the computer-executable instructions, when executed by a processor, cause the processor to:
connecting the program control frequency spectrograph with the radio frequency switch;
setting parameters of the program control frequency spectrograph and the transmitter;
the radio frequency switch receives a GSM4 frequency full harmonic signal, a WCDMA full frequency full harmonic signal or an LTE full frequency full harmonic signal sent by a transmitter with set parameters, filters the signal and sends the filtered signal to the program control frequency spectrograph;
and the program control frequency spectrograph with set parameters receives the filtered signals from the radio frequency switch, obtains harmonic values of the transmitter based on the filtered signals, and judges the size of the stray radiation of the transmitter based on the harmonic values.
For details of embodiments of each device and storage medium of the present invention, reference may be made to corresponding parts of each method embodiment, and details are not described herein again.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present application without departing from the spirit and scope of the application. Thus, if such modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application is intended to include such modifications and variations as well.
It should be noted that the present invention may be implemented in software and/or in a combination of software and hardware, for example, as an Application Specific Integrated Circuit (ASIC), a general purpose computer or any other similar hardware device. In one embodiment, the software program of the present invention may be executed by a processor to implement the steps or functions described above. Also, the software programs (including associated data structures) of the present invention can be stored in a computer readable recording medium, such as RAM memory, magnetic or optical drive or diskette and the like. Further, some of the steps or functions of the present invention may be implemented in hardware, for example, as circuitry that cooperates with the processor to perform various steps or functions.
In addition, some of the present invention can be applied as a computer program product, such as computer program instructions, which when executed by a computer, can invoke or provide the method and/or technical solution according to the present invention through the operation of the computer. Program instructions which invoke the methods of the present invention may be stored on a fixed or removable recording medium and/or transmitted via a data stream on a broadcast or other signal-bearing medium and/or stored within a working memory of a computer device operating in accordance with the program instructions. An embodiment according to the invention herein comprises an apparatus comprising a memory for storing computer program instructions and a processor for executing the program instructions, wherein the computer program instructions, when executed by the processor, trigger the apparatus to perform a method and/or solution according to embodiments of the invention as described above.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned. Furthermore, it is obvious that the word "comprising" does not exclude other elements or steps, and the singular does not exclude the plural. A plurality of units or means recited in the apparatus claims may also be implemented by one unit or means in software or hardware. The terms first, second, etc. are used to denote names, but not any particular order.
Claims (10)
1. A method of spurious radiation testing of a transmitter, wherein the method comprises:
connecting the program control frequency spectrograph with the radio frequency switch;
setting parameters of the program control frequency spectrograph and the transmitter;
the radio frequency switch receives a GSM4 frequency full harmonic signal, a WCDMA full frequency full harmonic signal or an LTE full frequency full harmonic signal sent by a transmitter with set parameters, filters the signal and sends the filtered signal to the program control frequency spectrograph;
and the program control frequency spectrograph with set parameters receives the filtered signals from the radio frequency switch, obtains harmonic values of the transmitter based on the filtered signals, and judges the size of the stray radiation of the transmitter based on the harmonic values.
2. The method of claim 1, wherein parameter setting the programmable spectrometer and transmitter comprises:
setting the program-controlled frequency spectrograph to be in a VISA communication mode;
setting a DUT (device under test) of a transmitter to transmit a main frequency signal;
initializing and setting the main frequency power of the program control frequency spectrograph;
setting the center frequency of the program-controlled frequency spectrograph;
and setting the line loss of the program control frequency spectrograph.
3. The method of claim 1, wherein parameter setting the programmable spectrometer and transmitter comprises:
setting the program-controlled frequency spectrograph to be in a VISA communication mode;
carrying out initialization setting on harmonic waves of the program-controlled frequency spectrograph;
setting the frequency doubling frequency of the program control frequency spectrograph;
and setting the line loss of the program control frequency spectrograph.
4. The method of claim 1, wherein deriving harmonic values for the transmitter based on the filtered signal comprises:
and selecting the maximum value of the index points of the tracking mode in the filtered signal as the harmonic value of the transmitter.
5. A stray radiation testing system of a transmitter, wherein the system comprises:
the setting device is used for setting parameters of the program control frequency spectrograph and the transmitter;
the system comprises a program-controlled frequency spectrograph and a radio frequency switch, wherein the program-controlled frequency spectrograph is connected with the radio frequency switch; the radio frequency switch is used for receiving a GSM4 frequency full harmonic signal, a WCDMA full frequency full harmonic signal or an LTE full frequency full harmonic signal sent by the transmitter with set parameters, filtering the signal and sending the filtered signal to the program control frequency spectrograph; and the program control frequency spectrograph is used for receiving the filtered signals from the radio frequency switch, obtaining harmonic values of the transmitter based on the filtered signals, and judging the size of the stray radiation of the transmitter based on the harmonic values.
6. The system of claim 5, wherein the setting means is configured to set the programmable spectrometer in a VISA communication mode; setting a DUT (device under test) of a transmitter to transmit a main frequency signal; initializing and setting the main frequency power of the program control frequency spectrograph; setting the center frequency of the program-controlled frequency spectrograph; and setting the line loss of the program control frequency spectrograph.
7. The system of claim 5, wherein the setting means is configured to set the programmable spectrometer in a VISA communication mode; carrying out initialization setting on harmonic waves of the program-controlled frequency spectrograph; setting the frequency doubling frequency of the program control frequency spectrograph; and setting the line loss of the program control frequency spectrograph.
8. The system of claim 5, wherein the programmable spectrometer is configured to select a maximum of the scalar points of the tracking patterns in the filtered signal as the harmonic value of the transmitter.
9. A computing-based device, comprising:
a processor; and
a memory arranged to store computer executable instructions that, when executed, cause the processor to:
connecting the program control frequency spectrograph with the radio frequency switch;
setting parameters of the program control frequency spectrograph and the transmitter;
the radio frequency switch receives a GSM4 frequency full harmonic signal, a WCDMA full frequency full harmonic signal or an LTE full frequency full harmonic signal sent by a transmitter with set parameters, filters the signal and sends the filtered signal to the program control frequency spectrograph;
and the program control frequency spectrograph with set parameters receives the filtered signals from the radio frequency switch, obtains harmonic values of the transmitter based on the filtered signals, and judges the size of the stray radiation of the transmitter based on the harmonic values.
10. A computer-readable storage medium having computer-executable instructions stored thereon, wherein the computer-executable instructions, when executed by a processor, cause the processor to:
connecting the program control frequency spectrograph with the radio frequency switch;
setting parameters of the program control frequency spectrograph and the transmitter;
the radio frequency switch receives a GSM4 frequency full harmonic signal, a WCDMA full frequency full harmonic signal or an LTE full frequency full harmonic signal sent by a transmitter with set parameters, filters the signal and sends the filtered signal to the program control frequency spectrograph;
and the program control frequency spectrograph with set parameters receives the filtered signals from the radio frequency switch, obtains harmonic values of the transmitter based on the filtered signals, and judges the size of the stray radiation of the transmitter based on the harmonic values.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113904929A (en) * | 2021-09-18 | 2022-01-07 | 中国空空导弹研究院 | Method for configuring functions of remote signal transmitter |
| CN117805481A (en) * | 2024-02-29 | 2024-04-02 | 南京派格测控科技有限公司 | Spurious signal processing method, spurious signal processing device, computer equipment and storage medium |
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| CN105101278A (en) * | 2015-06-26 | 2015-11-25 | 武汉虹信通信技术有限责任公司 | Method and system for testing consistency of FDD-LTE base station |
| CN110401459A (en) * | 2018-04-24 | 2019-11-01 | 摩比天线技术（深圳）有限公司 | A kind of system for realizing the spuious test of RF switch |
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