CN107888232A - Detect the method and test system, host computer, computer-readable recording medium of line loss - Google Patents
Detect the method and test system, host computer, computer-readable recording medium of line loss Download PDFInfo
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- CN107888232A CN107888232A CN201711173184.1A CN201711173184A CN107888232A CN 107888232 A CN107888232 A CN 107888232A CN 201711173184 A CN201711173184 A CN 201711173184A CN 107888232 A CN107888232 A CN 107888232A
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- Prior art keywords
- power
- frequency
- signal
- measured
- line loss
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/02—Details
- H04B3/46—Monitoring; Testing
- H04B3/48—Testing attenuation
Abstract
The invention discloses a kind of method for detecting line loss, this method includes：Radio frequency test device is controlled to send the first power signal of the known power value of different frequency to power meter by circuit to be measured；The performance number of the second power signal under the corresponding frequencies that readout power meter is arrived by line receiver to be measured；First line loss value of the difference of the performance number of the second power signal and the first power signal under each frequency as circuit to be measured under each frequency is obtained, generation frequency after the mapping table of the first line loss value with being stored.The invention also discloses a kind of test system, host computer and computer-readable recording medium for detecting line loss.By the above-mentioned means, when can test radio frequency test device as transmitting terminal circuit to be measured power attenuation.
Description
Technical field
The present invention relates to technical field of radio frequency test, more particularly to a kind of method for detecting line loss and test system, on
Position machine, computer-readable recording medium.
Background technology
As current twireless radio-frequency communication is using more and more common, radio-frequency technique industry development is more and more faster.
Research and development, test and the production of radio frequency Related product are required for using radio frequency test device (such as comprehensive tester)
Dependence test or debugging are carried out (for example, using 2G, 3G, 4G of cellular technology and using non-to the radio-frequency enabled of mobile terminal
Cellular WIFI, BT, NFC and GPS etc. are tested or debugged), but tested and be required for before being debugged to radio frequency testing
Equipment and the line loss of circuit to be measured (for example, RF cable) carry out testing the survey that just can guarantee that with compensation for calibrating errors to terminal device
Examination and the accuracy of debugging.Traditional use net point, the scheme cost of frequency spectrograph line test line loss are higher and can not test and penetrate
The power attenuation of circuit to be measured when frequency test equipment is as transmitting terminal.
The content of the invention
The embodiment of the present invention provides a kind of method and test system, host computer, computer-readable storage medium for detecting line loss
Matter, the power attenuation of circuit to be measured when can test radio frequency test device as transmitting terminal.
The embodiment of the present invention use a technical scheme be：A kind of method for detecting line loss is provided, this method includes：Control
Radio frequency test device processed sends the first power signal of the known power value of different frequency by circuit to be measured to power meter；Read
The performance number of the second power signal under the corresponding frequencies that power meter is arrived by line receiver to be measured；Obtain under each frequency
First line loss value of the difference of the performance number of two power signals and the first power signal as circuit to be measured under each frequency, generation
Frequency after the mapping table of the first line loss value with being stored.
The embodiment of the present invention use another technical scheme be：A kind of test system for detecting line loss, the test are provided
System includes host computer, the power meter being connected with host computer and radio frequency test device；In the first test phase, power meter passes through one
Circuit to be measured is connected with radio frequency test device, and host computer is used to control radio frequency test device to send to power meter by circuit to be measured
First power signal of the known power value of different frequency, under the corresponding frequencies that readout power meter is arrived by line receiver to be measured
The performance number of second power signal, and for obtaining the power of the second power signal and the first power signal under each frequency
After the mapping table of the first line loss value of the difference of value as circuit to be measured under each frequency, generation frequency and the first line loss value
Stored.
The embodiment of the present invention use another technical scheme be：A kind of host computer is provided, the host computer includes processor
And memory, memory are used to store computer program, processor is used to call computer program to perform above-mentioned method.
The embodiment of the present invention use another technical scheme be：A kind of computer-readable recording medium is provided, the calculating
Machine readable storage medium storing program for executing is used to store computer program, and computer program can be performed to realize above-mentioned method.
The beneficial effect of the embodiment of the present invention is：The embodiment of the present invention is by controlling radio frequency test device to pass through circuit to be measured
The first power signal of the known power value of different frequency is sent to power meter；Readout power meter is arrived by line receiver to be measured
The performance number of the second power signal under corresponding frequencies；Obtain the second power signal under each frequency and the first power signal
First line loss value of the difference of performance number as circuit to be measured under each frequency, the corresponding relation of generation frequency and the first line loss value
Stored after table, the power attenuation of circuit to be measured when can test radio frequency test device as transmitting terminal.
Brief description of the drawings
Fig. 1 is structural representation of the test system in the first test phase of detection line loss of the embodiment of the present invention；
Fig. 2 is structural representation of the test system in the second test phase of detection line loss of the embodiment of the present invention；
Fig. 3 is structural representation of the test system in the 3rd test phase of detection line loss of the embodiment of the present invention；
Fig. 4 is schematic flow sheet of the method in the first test phase of the detection line loss of the embodiment of the present invention；
Fig. 5 is schematic flow sheet of the method in the second test phase of the detection line loss of the embodiment of the present invention；
Fig. 6 is schematic flow sheet of the method in the 3rd test phase of the detection line loss of the embodiment of the present invention；
Fig. 7 is a kind of principle schematic of power meter of the embodiment of the present invention；
Fig. 8 is the hardware architecture diagram of host computer of the embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes.It is understood that specific embodiment described herein is only used for explaining the present invention, rather than the limit to the present invention
It is fixed.It also should be noted that for the ease of description, part related to the present invention illustrate only in accompanying drawing and not all knot
Structure.Based on the embodiment in the present invention, what those of ordinary skill in the art were obtained under the premise of creative work is not made
Every other embodiment, belongs to the scope of protection of the invention.
Term " first ", " second " in the present invention etc. are to be used to distinguish different objects, rather than specific suitable for describing
Sequence.In addition, term " comprising " and " having " and their any deformations, it is intended that cover non-exclusive include.Such as comprising
The step of process of series of steps or unit, method, system, product or equipment are not limited to list or unit, and
It is alternatively also to include the step of not listing or unit, or alternatively also includes for these processes, method, product or equipment
Intrinsic other steps or unit.
Referenced herein " embodiment " is it is meant that the special characteristic, structure or the characteristic that describe can wrap in conjunction with the embodiments
In at least one embodiment of the present invention.Each position in the description occur the phrase might not each mean it is identical
Embodiment, nor the independent or alternative embodiment with other embodiments mutual exclusion.Those skilled in the art explicitly and
Implicitly understand, embodiment described herein can be combined with other embodiments.
Referring to Fig. 1, Fig. 1 is structural representation of the test system in the first test phase of detection line loss of the embodiment of the present invention
Figure.
In the present embodiment, the power meter 12 and host computer 11 that test system includes host computer 11, is connected with host computer 11
The radio frequency test device 13 of connection.
Radio frequency test device 13 can be comprehensive tester.Host computer 11 can be PC (personal computer, it is individual
People's computer).
Connection between host computer 11 and power meter 12 can directly be connected or by other equipment (for example, letter
Number generator or radio frequency test device 13) indirect connection.
It is for the transmission of data and control signal therebetween that purpose is connected between host computer 11 and power meter 12.Can
Selection of land, the FPDP connection host computer 11 of power meter 12.The cable specifically connected can be netting twine, USB data line or
GPIB (General-Purpose Interface Bus, general purpose interface bus) bus etc..
It is the transmission for data and control signal that purpose is connected between host computer 11 and radio frequency test device 13.It is optional
Ground, the FPDP connection host computer 11 of radio frequency test device 13.The cable specifically connected can be netting twine, USB data line or
Person's gpib bus etc..
In the first test phase, power meter 12 is connected by a circuit 14 to be measured with radio frequency test device 13.For example, power
The test port of meter 12 connects the power signal output port of radio frequency test device 13 by circuit 14 to be measured.
Alternatively, circuit 14 to be measured includes cable 141 to be measured and the RF (Radio being connected with cable 141 to be measured
Frequency, radio frequency) thimble connection fixture 142.
In the first test phase, host computer 11 is used to controlling radio frequency test device 13 by circuit 14 to be measured to power meter 12
Send the first power signal of the known power value of different frequency.
Host computer 11 is additionally operable to the second power under the corresponding frequencies that readout power meter 12 is received by circuit 14 to be measured
The performance number of signal.
Host computer 11 is additionally operable to obtain the difference of the performance number of the second power signal and the first power signal under each frequency
It is worth the first line loss value as circuit 14 to be measured under each frequency, generation frequency after the mapping table of the first line loss value with carrying out
Storage.Such as host computer 11 stores the mapping table for generating frequency and the first line loss value to the memory of host computer 11.
The line loss value of circuit 14 to be measured when first test phase is used to test radio frequency test device 13 as transmitting terminal.First
Line loss value be radio frequency test device 13 as transmitting terminal when circuit 14 to be measured line loss value.
Referring to Fig. 2, Fig. 2 is structural representation of the test system in the second test phase of detection line loss of the embodiment of the present invention
Figure.
It should be understood that the second test phase can be carried out before or after the first test phase, above-mentioned " first " and "
Two " statement, it is not that specific restriction is done to the sequencing of test.
In the present embodiment, test system further comprises the signal generator 15 being connected with host computer 11.
It is for data and the biography of control signal therebetween that purpose is connected between host computer 11 and signal generator 15
It is defeated.Alternatively, the FPDP connection host computer 11 of signal generator 15.The cable specifically connected can be netting twine, usb data
Line or gpib bus etc..
In the second test phase, the signal output port of signal generator 15 passes sequentially through connecting line 16, circuit to be measured 14
It is connected with the test port of radio frequency test device 13.
Alternatively, the cable to be measured 141 of circuit 14 to be measured is connected by RF thimbles connection fixture 142 with connecting line 16.
Host computer 11 passes sequentially through connecting line 16, circuit to be measured 14 to radio frequency test device for control signal generator 15
13 send the 3rd power signal of the known power value of different frequency.
Host computer 11 is additionally operable to read the 4th of the corresponding frequencies that radio frequency test device 13 is received by circuit 14 to be measured
The performance number of power signal.
Host computer 11 is additionally operable to obtain the difference of the performance number of the 4th power signal and the 3rd power signal under each frequency
It is worth the second line loss value as circuit 14 to be measured under each frequency, and the mapping table for generating frequency and the second line loss value is laggard
Row storage.Such as host computer 11 stores the mapping table for generating frequency and the second line loss value to the memory of host computer 11.
The line loss value of circuit 14 to be measured when second test phase is used to test radio frequency test device 13 as receiving terminal.Second
Line loss value be radio frequency test device 13 as receiving terminal when circuit 14 to be measured line loss value.
It should be understood that in the present embodiment, in the second test phase, signal generator 15 is to pass sequentially through connecting line 16, treat
Survey line road 14 is connected with radio frequency test device 13.In other embodiments, signal generator 15 can also be directly by treating survey line
Road 14 is connected with radio frequency test device 13.
Because in the present embodiment, in the second test phase, signal generator 15 is to pass sequentially through connecting line 16, treat survey line
Road 14 is connected with radio frequency test device 13, can be in the 3rd test phase detection signal generator 15 before the second test phase
Output line loss value and signal generator 15 is calibrated, wherein, output line loss value includes the internal exergy dissipation of signal generator 15
The line loss value of consumption value and connecting line 16.
Referring to Fig. 3, Fig. 3 is structural representation of the test system in the 3rd test phase of detection line loss of the embodiment of the present invention
Figure.
In the 3rd test phase, the signal output port of signal generator 15 passes through the test of connecting line 16 and power meter 12
Port connects.
Host computer 11 is sent for control signal generator 15 by the connecting line 16 of signal generator 15 to power meter 12
5th power signal of the known power value of different frequency.
Host computer 11 is additionally operable to the 6th power signal of the corresponding frequencies that readout power meter 12 is received by connecting line 16
Performance number.
Host computer 11 is additionally operable to obtain the difference of the performance number of the 6th power signal and the 5th power signal under each frequency
It is worth the output line loss value as signal generator 15 under each frequency, wherein, output line loss value includes the interior of signal generator 15
The line loss value of portion's loss value and connecting line 16.
Host computer 11 be additionally operable to for according to the output line loss value of signal generator 15 under each frequency to signal generator
The power signal of the corresponding frequencies of 15 end of connecting line 16 output is calibrated.
Referring to Fig. 4, the method that Fig. 4 is the detection line loss of the embodiment of the present invention is illustrated in the flow of the first test phase
Figure.In the present embodiment, the method for detecting line loss may comprise steps of in the first test phase：
Step 11：Host computer is connected with power meter, host computer connected with radio frequency test device, by power meter by treating
Survey line road is connected with radio frequency test device.
In a step 11, for example, host computer 11 and power meter 12 are directly connected to, or by host computer 11 and power meter 12
Indirectly connected by other equipment (for example, signal generator 15 or radio frequency test device 13).
It is for the transmission of data and control signal therebetween that purpose is connected between host computer 11 and power meter 12.Can
Selection of land, the FPDP of power meter 12 can be connected host computer 11.The cable specifically connected can be netting twine, USB data line
Or gpib bus etc..
It is the transmission for data and control signal that purpose is connected between host computer 11 and radio frequency test device 13.It is optional
Ground, the FPDP of radio frequency test device 13 can be connected host computer 11.The cable specifically connected can be netting twine, USB numbers
According to line or gpib bus etc..
Power meter 12 is connected by a circuit 14 to be measured with radio frequency test device 13.For example, the test by power meter 12
Port connects the power signal output port of radio frequency test device 13 by circuit 14 to be measured.
Alternatively, radio frequency test device 13 can be comprehensive tester.Host computer 11 can be PC (personal
Computer, personal computer).
Step 12：Radio frequency test device is controlled to send the known power value of different frequency to power meter by circuit to be measured
First power signal.
In step 12, for example, host computer 11 controls radio frequency test device 13 to be sent out by circuit 14 to be measured to power meter 12
Send the first power signal of the known power value of different frequency.
Step 13：The power of the second power signal under the corresponding frequencies that readout power meter is arrived by line receiver to be measured
Value.
In step 13, for example, under the corresponding frequencies that the readout power meter 12 of host computer 11 is received by circuit 14 to be measured
The second power signal performance number.
Step 14：The difference of the performance number of the second power signal and the first power signal under each frequency is obtained as each
First line loss value of circuit to be measured under individual frequency, generation frequency after the mapping table of the first line loss value with being stored.
At step 14, for example, host computer 11 obtains the second power signal under each frequency and the first power signal
First line loss value of the difference of performance number as circuit 14 to be measured under each frequency, generation frequency is corresponding with the first line loss value to close
It is to be stored into the memory of host computer 11 after table.
For example, in step 12, the frequency for the first power signal that radio frequency test device 13 is sent is first frequency
It is worth and watt level is 23dBm, corresponding, in step 13, the second power signal that power meter 12 receives is 20dBm, then
It is 23-20=3dBm in the first line loss value corresponding to first frequency value.The first power letter is sent under each default frequency values
Number then the first line loss value corresponding to obtaining one by one in the manner described above under each default frequency values, and according to frequency and first
The one-to-one relationship generation frequency of line loss value and the mapping table of the first line loss value are simultaneously stored to the memory of host computer 11
In.
The line loss value of circuit 14 to be measured when first test phase is used to test radio frequency test device 13 as transmitting terminal.First
Line loss value be radio frequency test device 13 as transmitting terminal when circuit 14 to be measured line loss value.
Referring to Fig. 5, the method that Fig. 5 is the detection line loss of the embodiment of the present invention is illustrated in the flow of the second test phase
Figure.
It should be understood that the second test phase can be carried out before or after the first test phase, above-mentioned " first " and "
Two " statement, it is not that specific restriction is done to the sequencing of test.
In the present embodiment, the method for detecting line loss may comprise steps of in the second test phase：
Step 21：Host computer is connected with signal generator, host computer is connected with radio frequency test device, signal is occurred
Device passes sequentially through connecting line and circuit to be measured is connected with radio frequency test device.
In step 21, for example, host computer 11 is connected with signal generator 15.
It is for data and the biography of control signal therebetween that purpose is connected between host computer 11 and signal generator 15
It is defeated.It is alternatively possible to the FPDP of power meter 15 is connected into host computer 11.The cable specifically connected can be netting twine, USB numbers
According to line or gpib bus etc..
It is the transmission for data and control signal that purpose is connected between host computer 11 and radio frequency test device 13.It is optional
Ground, the FPDP of radio frequency test device 13 can be connected host computer 11.The cable specifically connected can be netting twine, USB numbers
According to line or gpib bus etc..
Signal generator 15 is passed sequentially through into connecting line 16, circuit to be measured 14 is connected with radio frequency test device 13.For example, will
The signal output port of signal generator passes sequentially through connecting line 16, circuit to be measured 14 connects the test lead of radio frequency test device 13
Mouthful.
Step 22：Control signal generator passes sequentially through connecting line, circuit to be measured sends different frequencies to radio frequency test device
3rd power signal of the known power value of rate.
In step 22, for example, the control signal generator 15 of host computer 11 pass sequentially through connecting line 16, circuit to be measured 14 to
Radio frequency test device 13 sends the 3rd power signal of the known power value of different frequency.
Step 23：Read the work(of the 4th power signal of the corresponding frequencies that radio frequency test device is arrived by line receiver to be measured
Rate value.
In step 23, for example, host computer 11 read radio frequency test device 13 received by circuit 14 to be measured it is corresponding
The performance number of 4th power signal of frequency.
Step 24：The difference of the performance number of the 4th power signal and the 3rd power signal under each frequency is obtained as each
Second line loss value of circuit to be measured under individual frequency, and frequency is generated with being stored after the mapping table of the second line loss value.
In step 24, such as.Host computer 11 obtains the 4th power signal under each frequency and the 3rd power signal
Second line loss value of the difference of performance number as circuit 14 to be measured under each frequency, and it is corresponding with the second line loss value to generate frequency
Stored after relation table to the memory of host computer 11.
For example, in step 22, the frequency for the 3rd power signal that signal generator 15 is sent is first frequency value
Corresponding and watt level is 23dBm, in step 23, the 4th power signal that radio frequency test device 13 receives is
20dBm, then it is 23-20=3dBm in the second line loss value corresponding to first frequency value.Is sent under each default frequency values
Then three power signals obtain corresponding second line loss value under each default frequency values one by one in the manner described above, and according to frequency
The one-to-one relationship of rate and the second line loss value generates the mapping table of frequency and the second line loss value and stored to host computer 11
Memory in.
The line loss value of circuit 14 to be measured when second test phase is used to test radio frequency test device 13 as receiving terminal.Second
Line loss value be radio frequency test device 13 as receiving terminal when circuit 14 to be measured line loss value.
It should be understood that in the present embodiment, in the second test phase, signal generator 15 is to pass sequentially through connecting line 16, treat
Survey line road 14 is connected with radio frequency test device 13.In other embodiments, signal generator 15 can also be directly by treating survey line
Road 14 is connected with radio frequency test device 13.
Because in the present embodiment, in the second test phase, signal generator 15 is to pass sequentially through connecting line 16, treat survey line
Road 14 is connected with radio frequency test device 13, can be in the 3rd test phase detection signal generator 15 before the second test phase
Output line loss value and signal generator 15 is calibrated, wherein, output line loss value includes the internal exergy dissipation of signal generator 15
The line loss value of consumption value and connecting line 16.
In other words, in the present embodiment, the 3rd test phase is may further include before the second test phase." the
One ", " second ", " the 3rd " are not the restriction to the sequencing of test.
Referring to Fig. 6, the method that Fig. 6 is the detection line loss of the embodiment of the present invention is illustrated in the flow of the 3rd test phase
Figure.
In the present embodiment, the method for detecting line loss may comprise steps of in the 3rd test phase：
Step 31：Host computer is connected with signal generator, host computer is connected with power meter, signal generator is passed through
Connecting line is connected with power meter.
In step 31, for example, host computer 11 is connected with signal generator 15.
It is for data and the biography of control signal therebetween that purpose is connected between host computer 11 and signal generator 15
It is defeated.It is alternatively possible to the FPDP of power meter 15 is connected into host computer 11.The cable specifically connected can be netting twine, USB numbers
According to line or gpib bus etc..
For example, host computer 11 and power meter 12 are directly connected to, or host computer 11 and power meter 12 are set by other
Standby (for example, signal generator 15 or radio frequency test device 13) indirectly connects.
It is for the transmission of data and control signal therebetween that purpose is connected between host computer 11 and power meter 12.Can
Selection of land, the FPDP of power meter 12 can be connected host computer 11.The cable specifically connected can be netting twine, USB data line
Or gpib bus etc..
The signal output port of signal generator 15 is connected by connecting line 16 with the test port of power meter 12.
Step 32：Control signal generator is sent known to different frequency by the connecting line of signal generator to power meter
5th power signal of performance number.
In the step 32, for example, the control signal generator 15 of host computer 11 by the connecting line 16 of signal generator 15 to work(
Rate meter 12 sends the 5th power signal of the known power value of different frequency.
Step 33：The performance number of 6th power signal of the corresponding frequencies that readout power meter is received by connecting line.
In step 33, for example, the 6th of the corresponding frequencies that the readout power meter 12 of host computer 11 is received by connecting line the
The performance number of power signal.
Step 34：The difference of the performance number of the 6th power signal and the 5th power signal under each frequency is obtained as each
The output line loss value of signal generator under individual frequency；Wherein, exporting line loss value includes internal loss value and the company of signal generator
The line loss value of wiring.
In step 34, for example, host computer 11 obtains the 6th power signal under each frequency and the 5th power signal
Output line loss value of the difference of performance number as signal generator 15 under each frequency；Wherein, line loss value is exported to send out including signal
The internal loss value of raw device 15 and the line loss value of connecting line 16.
For example, in the step 32, the frequency for the 5th power signal that signal generator 15 is sent is first frequency value
Corresponding and watt level is 23dBm, in step 33, the 6th power signal that power meter 13 receives is 20dBm, then exists
Output line loss value is 23-20=3dBm corresponding to first frequency value.The 5th power signal is sent under each default frequency values
Then corresponding output line loss value under each default frequency values is obtained one by one in the manner described above, and according to frequency and output line
Mapping table of the one-to-one relationship generation frequency of damage value with exporting line loss value.
Step 35：It is defeated to the connecting line end of signal generator according to the output line loss value of signal generator under each frequency
The power signal of the corresponding frequencies gone out is calibrated.
In step 35, for example, host computer 11 according to the output line loss value of signal generator 15 under each frequency to signal
The power signal of the corresponding frequencies of the end of connecting line 16 output of generator 15 is calibrated.The end of connecting line 16 refers to
The line end that three test phase connecting lines 16 are connected with power meter 12, for example, in Fig. 3 connecting line 16 left end.
Alternatively, host computer 11 according to the output line loss value of signal generator 15 under each frequency to signal generator 15
The step of power signal of the corresponding frequencies of the end of connecting line 16 output is calibrated can include：The control signal of host computer 11 is sent out
Raw device 15 exports after the theoretical value for the power signal for needing to send in a certain frequency is added into the output line loss value under respective frequencies.
For example, at the first frequency, signal generator 15 needs to send 23dBm power signal, and at the first frequency, signal occurs
The output line loss value of device 15 is 2dBm, then the performance number for the power signal that the control signal generator 15 of host computer 11 is actually sent is
25dBm, the performance number of the power signal sent using ensureing the end of signal generator 15 is 23dBm.
Alternatively, in any one above-mentioned embodiment, the first power signal, the 3rd power signal, the 5th power signal
Performance number it is equal two-by-two.
Alternatively, in any one above-mentioned embodiment, the first power signal, the 3rd power signal, the 5th power
The scope of the performance number of signal is 20-25dBm.For example, the first power signal, the 3rd power signal, the work(of the 5th power signal
Rate value size can be 20dBm, 23dBm or 25dBm.
Alternatively, in above-mentioned any one embodiment, various testing results, such as frequency and the first line loss value corresponding relation
Table, frequency and the second line loss value mapping table, frequency and signal generator 15 output line loss value mapping table can be with
Store into radio frequency test device 13.
Referring to Fig. 7, Fig. 7 is a kind of principle schematic of power meter of the embodiment of the present invention.In the present embodiment, power
Meter 12 can include power sensor 121, signal amplifier 122, signal adapter 123.
Power sensor 121 can be that power meter is popped one's head in.Alternatively, for different frequency, different capacity value and not simultaneous interpretation
The signal of defeated cable architecture, multiple power sensors 121 can be configured.
Power sensor 121 is used to the power signal that the detection port 124 of power meter 12 inputs passing through energy conversion
Mode is converted to the electric signal that can directly detect, such as electric signal can be voltage signal or current signal.
The input of signal amplifier 122 is connected with the output end of power sensor 121, for by power sensor 121
The electric signal of output is amplified.
The input of signal adapter 123 is connected with the output end of signal amplifier 121, for by signal amplifier 122
Electric signal after amplification is converted to data signal.Signal adapter 123 can be analog-digital converter.Signal adapter 123 it is defeated
Go out FPDP 125 of the end as power meter 12.
Alternatively, range -70~+44dBm of power meter 12, the line loss test under high-power signal is disclosure satisfy that, and
Power meter 12 is passive device, and it does not have internal power consumption when carrying out power test.
It should be understood that power meter 12 can use other structures and principle, the embodiment of the present invention is not limited this.
Referring to Fig. 8, Fig. 8 is the hardware architecture diagram of host computer of the embodiment of the present invention.In the present embodiment, host computer
11 can include processor 111 and the memory 112 being connected with processor 111.
Memory 112 is used to store computer program.
Processor 111 is used to call the computer program to perform the method for above-mentioned any one embodiment.
The embodiment of the present invention also provides a kind of computer-readable recording medium, and the computer-readable recording medium is used to store
Computer program, the computer program can be executed by processor the method provided to realize in above-described embodiment.It is appreciated that
, the computer program of readable storage medium storing program for executing storage in the present embodiment, the method for being used for performing carries with above-described embodiment
The method of confession is similar, and its principle is identical with step, repeats no more here.
Wherein, the storage medium can be USB flash disk, mobile hard disk, read-only storage (ROM, Read-Only Memory), with
Machine access memory (RAM, Random Access Memory), magnetic disc or CD etc. are various can be with Jie of store program codes
Matter.
The embodiment of the present invention is by controlling radio frequency test device to send different frequency to power meter by circuit to be measured
Know the first power signal of performance number；The second power signal under the corresponding frequencies that readout power meter is arrived by line receiver to be measured
Performance number；The difference of the performance number of the second power signal and the first power signal under each frequency is obtained as each frequency
Under circuit to be measured the first line loss value, generation frequency with being stored after the mapping table of the first line loss value, can test and penetrate
The power attenuation of circuit to be measured when frequency test equipment is as transmitting terminal.
Embodiments of the present invention are the foregoing is only, are not intended to limit the scope of the invention, it is every to utilize this
The equivalent structure or equivalent flow conversion that description of the invention and accompanying drawing content are made, or directly or indirectly it is used in other correlations
Technical field, it is included within the scope of the present invention.
Claims (10)
- A kind of 1. method for detecting line loss, it is characterised in that methods described includes：Control radio frequency test device to send the first power of the known power value of different frequency to power meter by circuit to be measured to believe Number；Read the performance number of the second power signal under the corresponding frequencies that the power meter is arrived by the line receiver to be measured；The difference of the performance number of second power signal and first power signal under each frequency is obtained as each First line loss value of the circuit to be measured under frequency, generation frequency after the mapping table of the first line loss value with being stored.
- 2. according to the method for claim 1, it is characterised in that methods described further comprises：Control signal generator sends the known power value of different frequency by the circuit to be measured to the radio frequency test device The 3rd power signal；Read the power of the 4th power signal of the corresponding frequencies that the radio frequency test device is arrived by the line receiver to be measured Value；The difference of the performance number of the 4th power signal and the 3rd power signal under each frequency is obtained as each Second line loss value of the circuit to be measured under frequency, and frequency is generated with being stored after the mapping table of the second line loss value.
- 3. according to the method for claim 2, it is characterised in thatThe control signal generator sends the known work(of different frequency by the circuit to be measured to the radio frequency test device 3rd power signal of rate value includes：Control signal generator passes sequentially through the connecting line and the circuit to be measured and sends difference to the radio frequency test device 3rd power signal of the known power value of frequency；Sent in the control signal generator by the circuit to be measured to the radio frequency test device known to different frequency Before the step of three power signal of performance number, methods described further comprises：The signal generator is controlled to send different frequency to the power meter by the connecting line of the signal generator Know the 5th power signal of performance number；Read the performance number of the 6th power signal of the corresponding frequencies that the power meter is received by the connecting line；The difference of the performance number of the 6th power signal and the 5th power signal under each frequency is obtained as each The output line loss value of the signal generator under frequency；Wherein, the output line loss value includes the internal loss of signal generator The line loss value of value and the connecting line；The connecting line end of the signal generator is exported according to the output line loss value of the signal generator under each frequency The power signals of corresponding frequencies calibrated.
- 4. according to the method for claim 3, it is characterised in that first power signal, the 3rd power signal, institute The performance number for stating the 5th power signal is equal two-by-two.
- 5. according to the method for claim 4, it is characterised in that first power signal, the 3rd power signal, institute The scope for stating the performance number of the 5th power signal is 20-25dBm.
- 6. a kind of test system for detecting line loss, it is characterised in that the test system includes host computer, connected with the host computer The power meter and radio frequency test device connect；In the first test phase, the power meter is surveyed by a circuit to be measured and the radio frequency Equipment connection is tried, the host computer is used to control the radio frequency test device to send difference to the power meter by circuit to be measured First power signal of the known power value of frequency, read the corresponding frequencies that the power meter is arrived by the line receiver to be measured Under the second power signal performance number, and for obtaining second power signal and first work(under each frequency First line loss value of the difference of the performance number of rate signal as the circuit to be measured under each frequency, generation frequency and the first line loss Stored after the mapping table of value.
- 7. test system according to claim 6, it is characterised in that the test system further comprise with it is described upper The signal generator of machine connection；In the second test phase, the signal generator is surveyed by the circuit to be measured and the radio frequency Equipment connection is tried, the host computer is sent for control signal generator by the circuit to be measured to the radio frequency test device 3rd power signal of the known power value of different frequency, read the radio frequency test device and arrived by the line receiver to be measured Corresponding frequencies the 4th power signal performance number, and for obtaining the 4th power signal and institute under each frequency Second line loss value of the difference of the performance number of the 3rd power signal as the circuit to be measured under each frequency is stated, and generates frequency With being stored after the mapping table of the second line loss value.
- 8. test system according to claim 7, it is characterised in that the test system further comprises connecting line； Second test phase, the signal generator pass sequentially through the connecting line and the circuit to be measured and the radio frequency testing Equipment connects；The 3rd test phase before second test phase, the signal generator by the connecting line with Power meter connection, the host computer are used to controlling the signal generator by the connecting line of the signal generator to institute The 5th power signal that power meter sends the known power value of different frequency is stated, the power meter is read and is connect by the connecting line The performance number of 6th power signal of the corresponding frequencies received, obtain the 6th power signal under each frequency and described Output line loss value of the difference of the performance number of five power signals as the signal generator under each frequency, wherein, it is described defeated Going out line loss value includes the internal loss value of signal generator and the line loss value of the connecting line, and for according under each frequency The power for the corresponding frequencies that the output line loss value of the signal generator exports to the connecting line end of the signal generator is believed Number calibrated.
- 9. a kind of host computer, it is characterised in that the host computer includes processor and memory, and the memory is based on storing Calculation machine program, the processor are used to call the computer program to require the method described in 1-5 any one with perform claim.
- 10. a kind of computer-readable recording medium, it is characterised in that the computer-readable recording medium is used to store computer Program, the computer program can be performed to realize the method described in claim 1-5 any one.
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108646097A (en) * | 2018-04-24 | 2018-10-12 | 四川斐讯信息技术有限公司 | A kind of insertion loss test method and system |
| CN108768455A (en) * | 2018-04-27 | 2018-11-06 | 广州杰赛科技股份有限公司 | Detection method, device and the loss detecting system of multi-system access platform loss |
| CN109212450A (en) * | 2018-09-21 | 2019-01-15 | 北京小米移动软件有限公司 | The detection method and device of power loss in test macro |
| CN111257672A (en) * | 2020-02-11 | 2020-06-09 | 深圳市广和通无线股份有限公司 | Line loss point inspection method and device, computer equipment and storage medium |
| CN112019279A (en) * | 2020-09-16 | 2020-12-01 | 歌尔科技有限公司 | Line loss calibration method, device and system and computer readable storage medium |
| CN112557746A (en) * | 2020-12-08 | 2021-03-26 | 广东省计量科学研究院东莞计量院 | Power level correction method and system for digital mobile communication comprehensive tester |
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| CN113422621A (en) * | 2020-12-24 | 2021-09-21 | 为准（北京）电子科技有限公司 | Cable loss measuring device and method |
| CN115372740A (en) * | 2022-08-19 | 2022-11-22 | 上海物骐微电子有限公司 | RF chip line loss test method, system, readable storage medium and electronic device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000013505A (en) * | 1998-06-19 | 2000-01-14 | Nippon Telegr & Teleph Corp <Ntt> | Transmitting loss measurement method for analog telephone line and device used for the same |
| CN102386982A (en) * | 2011-10-14 | 2012-03-21 | 中兴通讯股份有限公司 | Metering device and method for radio frequency testing system errors in mobile terminal production |
| CN106990376A (en) * | 2017-04-01 | 2017-07-28 | 捷开通讯(深圳)有限公司 | A kind of test device and method of testing of scramble testing system line loss |
| US20170310404A1 (en) * | 2016-04-26 | 2017-10-26 | Intel Corporation | Technologies for pcb and cable loss characterization and fixture de-embedding |
-
2017
- 2017-11-21 CN CN201711173184.1A patent/CN107888232A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000013505A (en) * | 1998-06-19 | 2000-01-14 | Nippon Telegr & Teleph Corp <Ntt> | Transmitting loss measurement method for analog telephone line and device used for the same |
| CN102386982A (en) * | 2011-10-14 | 2012-03-21 | 中兴通讯股份有限公司 | Metering device and method for radio frequency testing system errors in mobile terminal production |
| US20170310404A1 (en) * | 2016-04-26 | 2017-10-26 | Intel Corporation | Technologies for pcb and cable loss characterization and fixture de-embedding |
| CN106990376A (en) * | 2017-04-01 | 2017-07-28 | 捷开通讯(深圳)有限公司 | A kind of test device and method of testing of scramble testing system line loss |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108646097A (en) * | 2018-04-24 | 2018-10-12 | 四川斐讯信息技术有限公司 | A kind of insertion loss test method and system |
| CN108768455B (en) * | 2018-04-27 | 2021-06-18 | 广州杰赛科技股份有限公司 | Method and device for detecting loss of multi-system access platform and loss detection system |
| CN108768455A (en) * | 2018-04-27 | 2018-11-06 | 广州杰赛科技股份有限公司 | Detection method, device and the loss detecting system of multi-system access platform loss |
| CN109212450A (en) * | 2018-09-21 | 2019-01-15 | 北京小米移动软件有限公司 | The detection method and device of power loss in test macro |
| CN111257672A (en) * | 2020-02-11 | 2020-06-09 | 深圳市广和通无线股份有限公司 | Line loss point inspection method and device, computer equipment and storage medium |
| CN112019279A (en) * | 2020-09-16 | 2020-12-01 | 歌尔科技有限公司 | Line loss calibration method, device and system and computer readable storage medium |
| CN112557746A (en) * | 2020-12-08 | 2021-03-26 | 广东省计量科学研究院东莞计量院 | Power level correction method and system for digital mobile communication comprehensive tester |
| CN113422621A (en) * | 2020-12-24 | 2021-09-21 | 为准（北京）电子科技有限公司 | Cable loss measuring device and method |
| CN113422621B (en) * | 2020-12-24 | 2022-03-11 | 为准（北京）电子科技有限公司 | Cable loss measuring device and method |
| CN113038494A (en) * | 2021-03-09 | 2021-06-25 | 中国铁塔股份有限公司 | Wireless communication indoor distribution system deployment method and device |
| CN113038494B (en) * | 2021-03-09 | 2022-05-24 | 中国铁塔股份有限公司 | Wireless communication indoor distribution system deployment method and device |
| CN113376560A (en) * | 2021-06-02 | 2021-09-10 | 中电科思仪科技股份有限公司 | Cable automatic calibration and compensation method of comprehensive detection equipment |
| CN115372740A (en) * | 2022-08-19 | 2022-11-22 | 上海物骐微电子有限公司 | RF chip line loss test method, system, readable storage medium and electronic device |
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Application publication date: 20180406 |