CN106559104A - A kind of portable covered wire simulates box - Google Patents
A kind of portable covered wire simulates box Download PDFInfo
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- CN106559104A CN106559104A CN201510604535.4A CN201510604535A CN106559104A CN 106559104 A CN106559104 A CN 106559104A CN 201510604535 A CN201510604535 A CN 201510604535A CN 106559104 A CN106559104 A CN 106559104A
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Abstract
Embodiments provide a kind of portable covered wire and simulate box, the simulation box is applied to covered wire and sets up scene, and portable covered wire simulation box includes：Computing module, parameter memory module and data transmission module；Data transmission module is connected with computing module and parameter memory module respectively；Parameter memory module is used for the actual measurement parameter of the covered wire for storing each model, and the corresponding canonical parameter of covered wire of each model；Computing module is used for actual measurement parameter or the selection instruction of canonical parameter to covered wire to be measured that receiving data transport module is transmitted, the corresponding actual measurement parameter of covered wire to be measured or canonical parameter that from parameter memory module, acquisition, selection instruction are indicated, and signal imitation is carried out according to the parameter got from computing module, to the signal that transmitting terminal teletransmission equipment sends.Box is simulated by portable covered wire provided in an embodiment of the present invention, to the assessment of covered wire transmission performance with preferable reliability and motility.
Description
Technical field
The present invention relates to covered wire set-up technology field, more particularly to a kind of portable covered wire simulation
Box.
Background technology
In the contingency tasks such as rescue and relief work, anti-terrorism stability maintenance, covered wire has stable performance by which, resists and do
Immunity is strong, set up convenience, maneuverability, it is with low cost the advantages of, be widely used.As teletransmission sets
The class that makes preparations for sowing is different, different length, the transmission performance difference of different model covered wire, leads to covered wire is set up
Before letter cable, it is to be ensured that circuit is unobstructed, needs the transmission performance of covered wire to be estimated.
This assessment at this stage often sets up the experience of personnel by scene or the indoor pre-estimation of experiment is realized.
As teletransmission device category is numerous, the performance of covered wire also varies, transmission performance is entered by experience
Row assessment reliability is poor；Although and transmission performance of the computing device to covered wire can be passed through in experiment interior
Analogue simulation is carried out, but, analogue simulation being carried out in experiment interior, tenability is built to the scene of circuit
It is limited, very flexible.
The content of the invention
The invention provides a kind of portable covered wire simulates box, commented with solving current covered wire transmission performance
Estimate poor reliability, the problem of very flexible of scheme presence.
In order to solve the above problems, the invention discloses a kind of portable covered wire simulates box, the simulation
Box is applied to covered wire and sets up scene, and the portable covered wire simulation box includes：Computing module, parameter
Memory module and data transmission module；The data transmission module respectively with the computing module and institute
State parameter memory module to be connected；The parameter memory module is used for the actual measurement of the covered wire for storing each model
Parameter, and the corresponding canonical parameter of covered wire of each model；The computing module is transmitted for receiving data
Module transfer, actual measurement parameter or the selection instruction of canonical parameter to covered wire to be measured, from the ginseng
The corresponding actual measurement parameter of covered wire described to be measured that acquisition, the selection instruction are indicated in number memory module
Or canonical parameter, and send out according to the parameter got from the computing module, to transmitting terminal teletransmission equipment
The signal for sending carries out signal imitation.
Preferably, covered wire first interface is provided with the covered wire simulation box cartridge outer surface, and
Covered wire second interface；The covered wire first interface passes through covered wire linkup transmit end teletransmission equipment；Institute
State covered wire second interface and receiving terminal teletransmission equipment is connected by covered wire.
Preferably, the covered wire simulation box also includes：Modulus sampling module, fast Fourier transform mould
Block, inverse fast Fourier transform module and D/A converter module；Wherein, the covered wire first interface
It is connected with the modulus sampling module, the covered wire second interface is connected with the D/A converter module
Connect；The fast Fourier transform module respectively with the modulus sampling module and the computing module phase
Connection；The inverse fast Fourier transform module respectively with the computing module and the digital-to-analogue conversion mould
Block is connected.
Preferably, the modulus sampling module is for being transformed into number by the signal that transmitting terminal teletransmission equipment sends
Word signal, and the digital signal is sent to the fast Fourier transform module；In quick Fu
Leaf transformation module, for changing to the digital signal, generates the first convert signals, and will be described
First convert signals are sent to computing module, so that the computing module carries out signal imitation；It is described quick
Inverse Fourier transform module, for carrying out inverse transformation to the signal after computing module simulation, generates the
One inverse transformation signal, and the first inverse transformation signal is sent to the D/A converter module；The number
Mould modular converter, for the first inverse transformation signal is changed into output signal, and exports the output letter
Number.
Preferably, the simulation box also includes：Display module；Wherein, the display module and the number
It is connected according to transport module；The display module treats the actual measurement parameter or mark of the covered wire of side for reception
The selection instruction of quasi- parameter, and the length parameter to covered wire to be measured and signal frequency parameter
Arrange, and the selection instruction and the parameter for arranging are sent to institute by the data transmission module
State computing module.
Preferably, the data transmission module is ethernet module, the portable covered wire simulation box with
Control terminal is by the ethernet module network connection；The control terminal treats the quilt of side for receiving
Cover the actual measurement parameter or the selection instruction of canonical parameter of line, and the length parameter to covered wire to be measured,
And the setting of signal frequency parameter, and the selection instruction and the parameter for arranging are sent out by network
Deliver to the computing module that the portable covered wire simulates box.
Preferably, the computing module includes：Receiving subelement, sends for receiving the display module
Selection instruction and arrange the parameter, and the fast Fourier transform module send first change
Change signal；Subelement is obtained, for obtaining from the parameter memory module, the selection instruction is indicated
The corresponding actual measurement parameter of covered wire described to be measured or canonical parameter；Wherein, the actual measurement parameter includes：
Resistance, inductance, electric capacity, conductance parameter, the canonical parameter include：DC resistance, DC inductance
In resistance changes with frequency in value, DC conductance value, Kelvin effect parameter, Kelvin effect inductance value with
The parameter of frequency change, alternating current inductance value, conductance for alternating current value, critical frequency, attenuation constant；At parameter
Reason unit, for when obtaining to survey parameter, directly invoking the first process model according to the actual measurement
Parameter calculates the line transmission function of the covered wire to be measured；When obtain for canonical parameter when, call
Second processing model is processed to the canonical parameter, obtains corresponding resistance, inductance, electric capacity, electricity
Parameter is led, the resistance, inductance, electric capacity, conductance parameter is counted according to the described first process model
Calculate, obtain the line transmission function of the covered wire to be measured；Computing unit, for according to parameter processing
The length parameter and signal frequency of the calculated line transmission function of unit and covered wire to be measured
The first conversion signal that parameter is sent to the fast Fourier transform module is simulated, and generates middle mistake
Journey signal；Subelement is sent, for the pilot process signal is sent to the fast Fourier transforma
Mold changing block.
Preferably, the computing module also includes：Signal sends subelement, for by quick Fu
The pilot process letter that the first conversion signal and the computing unit that leaf transformation module sends is generated
Number, send to the display module to show；The D/A converter module, for by quick Fu
The first inverse transformation signal that leaf inverse transform module is generated is converted into output signal and sends to the control module
To show.
Compared with prior art, the embodiment of the present invention has advantages below：
The portable covered wire simulation box provided in the embodiment of the present invention, will carry out covered wire transmission performance and imitate
It is easy to carry in each module integrated to one simulation box of true simulation, due to being easy to carry, therefore the simulation
Box can be applied directly to covered wire and set up scene, can solve it is existing experiment interior carry out covered wire biography
The problem of the very flexible that defeated performance simulation modeling scheme is present.Additionally, it is provided in an embodiment of the present invention just
It is to carry out analogue simulation to the transmission performance of covered wire by hardware device to take formula covered wire simulation box, and and
The non-experience for being to set up by scene personnel, therefore, compared to the existing Jing that personnel are set up by scene
Test and be transmitted the scheme of Performance Evaluation and have more reliability.Moreover, it is provided in an embodiment of the present invention just
Take in formula covered wire simulation box, store in parameter memory module the covered wire of each model actual measurement parameter and
The corresponding canonical parameter of covered wire of each model, due to arranging two sets of parameters, then, in concrete application mistake
Cheng Zhong, user can select actual measurement parameter, canonical parameter to carry out once the transmission performance of covered wire respectively
Analogue simulation, is estimated according to the comprehensive transmission performance to covered wire of simulation results twice, compares
It is only capable of by way of a kind of parameter carries out analogue simulation, with higher in existing laboratory simulation mode
Reliability.
Description of the drawings
Fig. 1 is the structural representation that according to embodiments of the present invention one a kind of portable covered wire simulates box；
Fig. 2 is the structural representation that according to embodiments of the present invention two a kind of portable covered wire simulates box；
Fig. 3 is that the portable covered wire shown in embodiment two simulates box when emulation is simulated, with which
The schematic diagram of his equipment connection.
Specific embodiment
It is understandable to enable the above objects, features and advantages of the present invention to become apparent from, below in conjunction with the accompanying drawings
The present invention is further detailed explanation with specific embodiment.
Embodiment one
With reference to Fig. 1, show that according to embodiments of the present invention one a kind of portable covered wire simulates the knot of box
Structure schematic diagram.
Portable covered wire simulation box in the embodiment of the present invention can apply to covered wire and set up scene.Just
Taking formula covered wire simulation box includes：Computing module 102, parameter memory module 104 and data transfer mould
Block 106.
Wherein, data transmission module 106 respectively with 104 phase of computing module 102 and parameter memory module
Connection；Parameter memory module is used for the actual measurement parameter of the covered wire for storing each model, and each model is coating
The corresponding canonical parameter of line；Computing module 102 be used for receiving data transport module transmission, to be measured
The actual measurement parameter or the selection instruction of canonical parameter of covered wire, receives the length of the covered wire to be measured for arranging
Parameter and signal frequency parameter；And acquisition, selection instruction are indicated from parameter memory module 104
The corresponding actual measurement parameter of covered wire to be measured or canonical parameter, and according to the ginseng got from computing module
Number, the signal to the transmission of transmitting terminal teletransmission equipment carry out signal imitation.
The corresponding actual measurement parameter of covered wire or canonical parameter may be employed to the transmission performance to covered wire
Carry out the parameter of analogue simulation.When the transmission performance to covered wire is simulated, by by covered wire
Length, signal frequency range are input into portable covered wire the computing module for simulating box, while computing module
Obtain the corresponding actual measurement parameter of covered wire or canonical parameter, you can the transmission performance of covered wire is emulated
Simulation.
It should be noted that the corresponding actual measurement parameter of covered wire can be the reality of the covered wire of every km length
Measuring resistance R, inductance L, electric capacity C, conductance G.The corresponding canonical parameter of covered wire can be covered wire roc、
ac、l0、l∞、fm、b、g0、gc、c∞Parameter.Wherein, rocIt is the unidirectional current of every km covered wire
Resistance, acTo characterize the parameter that the resistance in Kelvin effect changes with frequency, l0It is the straight of every km covered wire
Stream inductance value, l∞Be every km covered wire pass through high-frequency alternating current when inductance value, fmFor critical frequency,
The parameter that b changes with frequency for inductance value in Kelvin effect, g0It is the DC conductance value of every km covered wire,
gcIt is attenuation constant that every km covered wire electric conductivity value changes with frequency, c∞It is that every km covered wire passes through height
Electric conductivity value during frequency alternating current.
Wherein, data transmission module 106 can be data wire, or ethernet module.
The portable covered wire simulation box provided in the embodiment of the present invention, will carry out covered wire transmission performance and imitate
It is easy to carry in each module integrated to one simulation box of true simulation, due to being easy to carry, therefore the simulation
Box can be applied directly to covered wire and set up scene, can solve it is existing experiment interior carry out covered wire biography
The problem of the very flexible that defeated performance simulation modeling scheme is present.Additionally, it is provided in an embodiment of the present invention just
It is to carry out analogue simulation to the transmission performance of covered wire by hardware device to take formula covered wire simulation box, and and
The non-experience for being to set up by scene personnel, therefore, compared to the existing Jing that personnel are set up by scene
Test and be transmitted the scheme of Performance Evaluation and have more reliability.Moreover, it is provided in an embodiment of the present invention just
Take in formula covered wire simulation box, store in parameter memory module the covered wire of each model actual measurement parameter and
The corresponding canonical parameter of covered wire of each model, due to arranging two sets of parameters, then, in concrete application mistake
Cheng Zhong, user can select actual measurement parameter, canonical parameter to carry out once the transmission performance of covered wire respectively
Analogue simulation, is estimated according to the comprehensive transmission performance to covered wire of simulation results twice, compares
It is only capable of by way of a kind of parameter carries out analogue simulation, with higher in existing laboratory simulation mode
Reliability.
Embodiment two
With reference to Fig. 2, show that the structure of a kind of portable covered wire simulation box of the embodiment of the present invention two is shown
It is intended to.
The portable covered wire simulation box 20 of the embodiment of the present invention is applied to covered wire and sets up scene.Such as Fig. 3
It is shown, covered wire first interface 201, and covered wire are provided with covered wire simulation box cartridge outer surface
Second interface 202.When the transmission performance test of covered wire is carried out, covered wire first interface 201 is led to
Covered wire linkup transmit end teletransmission equipment 30 is crossed, covered wire second interface 202 is connect by covered wire
Receiving end teletransmission equipment 40, also, can also arrange a control terminal 50 by with ethernet module phase
Ethernet interface 203 even simulates 20 network connection of box with portable covered wire.Wherein, portable quilt
Cover line simulation box 20 portable covered wire analog is constituted with control terminal 50.
As shown in Fig. 2 the portable covered wire simulation box 20 of the embodiment of the present invention includes：Computing module
204th, parameter memory module 205, data transmission module 206, modulus sampling module 207, in quick Fu
Leaf transformation module 208, inverse fast Fourier transform module 209, D/A converter module 210 and display
Module 211.
Data transmission module 206 is connected with computing module 204 and parameter memory module 205 respectively,
Covered wire first interface 201 is connected with modulus sampling module 207, covered wire second interface 202 and number
Mould modular converter 210 is connected.Fast Fourier transform module 208 respectively with modulus sampling module 207
And computing module 204 is connected；Inverse fast Fourier transform module 209 respectively with computing module 204
And D/A converter module 210 is connected；Display module 211 is connected with data transmission module 206.
Parameter memory module 205 is used for the actual measurement parameter of the covered wire for storing each model, and the quilt of each model
Cover the corresponding canonical parameter of line；Computing module 204 be used for receiving data transport module transmission, to be measured
Covered wire actual measurement parameter or the selection instruction of canonical parameter, from parameter memory module 205 obtain,
The corresponding actual measurement parameter of covered wire to be measured or canonical parameter that selection instruction is indicated, and according to from calculating mould
The parameter that gets in block 204, signal imitation is carried out to the signal that transmitting terminal teletransmission equipment sends.
Modulus sampling module 207 for the signal that transmitting terminal teletransmission equipment sends is transformed into digital signal,
And digital signal is sent to fast Fourier transform module 208；Fast Fourier transform module 208,
For changing to digital signal, the first convert signals are generated, and the first convert signals are sent to meter
Module 204 is calculated, so that computing module 204 carries out signal imitation；Inverse fast Fourier transform module 209,
Inverse transformation is carried out for the signal after simulating to computing module, generate the first inverse transformation signal, and by first
Inverse transformation signal is sent to D/A converter module 210；D/A converter module 210, for by the first inversion
Change signal and change into output signal, and the output signal that output information output is converted into.Wherein, output letter
Number can export to control terminal, display module or receiving terminal teletransmission equipment to be shown.
Display module 211 treats the actual measurement parameter of covered wire of side for reception or the selection of canonical parameter refers to
Order, and the setting of the length parameter to covered wire to be measured and signal frequency parameter, and will select
Instruction and the parameter for arranging are sent to computing module 204 by data transmission module 206.
Specifically, computing module 204 includes：Receiving subelement, obtain subelement, parameter processing unit,
Computing unit, transmission subelement and signal send subelement, specifically：
Receiving subelement, for receiving the selection instruction and the parameter for arranging of the transmission of display module 211, with
And the first conversion signal that fast Fourier transform module sends；
Obtain subelement, for from parameter memory module 205 obtain, selection instruction indicate it is to be measured
The corresponding actual measurement parameter of covered wire or canonical parameter；
Wherein, surveying parameter includes：Resistance, inductance, electric capacity, conductance parameter, canonical parameter include：
Resistance changes with frequency in DC resistance, unidirectional current inductance value, DC conductance value, Kelvin effect parameter,
Inductance value changes with frequency in Kelvin effect parameter, alternating current inductance value, conductance for alternating current value, critical frequency,
Attenuation constant；
Parameter processing unit, for when obtain for survey parameter when, directly invoke the first process model according to
The line transmission function that parameter calculates covered wire to be measured is surveyed factually；When obtain for canonical parameter when, adjust
Canonical parameter is processed with second processing model, obtain corresponding resistance, inductance, electric capacity, conductance
Parameter, processes model according to first and the resistance, inductance, electric capacity, conductance parameter is calculated, obtain
To the line transmission function of covered wire to be measured；
Computing unit, for according to the calculated line transmission function of parameter processing unit and to be measured
The length parameter and signal frequency parameter of covered wire the fast Fourier transform module is sent
One conversion signal is simulated, and generates pilot process signal；
Subelement is sent, for pilot process signal is sent to inverse fast Fourier transform module.
Signal send subelement, for fast Fourier transform module 208 is sent first conversion signal,
And the pilot process signal that computing unit is generated, send to display module 211 to show.
It should be noted that during implementing, can also be without in portable covered wire simulation box
Display module is set, but simulation box is passed through into ethernet module network connection with control terminal.Control is eventually
Hold for receiving the actual measurement parameter or the selection instruction of canonical parameter of the covered wire for treating side, and to be measured
Covered wire length parameter and the setting of signal frequency parameter, and by selection instruction and arrange ginseng
Number sends to portable covered wire the computing module for simulating box by network, also, by portable covered wire
The series of results of the simulation of simulation box is shown to user.
Operationally, portable covered wire simulation box is connected by covered wire linkup transmit end teletransmission equipment
Connect.Control terminal such as computer is started working, and specific works include：Receive user is set to test parameter
Put, covered wire simulates the monitor in real time in the unlatching and end, simulation of process.Wherein, test parameter
Setting includes：The parameter of covered wire to be simulated is selected, signal frequency range is set, quilt to be simulated is set
Cover the length of line.
Covered wire parameter to be simulated needed for calculating is pre-stored in the pre- storing module of parameter of covered wire simulation box, if
Prestored in the pre- storing module of parameter the actual measurement parameter of covered wire to be simulated, then select to enter using actual measurement parameter
Row is calculated；If without corresponding actual measurement parameter, selecting to be calculated using standard covered wire parameter.Need
Illustrate, during implementing, can with by user select according to the actual requirements be using actual measurement
Parameter or canonical parameter are simulated test to the transmission performance of covered wire.
Transmitting terminal teletransmission equipment sends signal SinputFirst pass around modulus sampling module and become digital signal S1,
Fast Fourier transform module the digital signal is entered line translation to S2, then by S2It is sent to calculating mould
Block, computing module calculate the transfer function and intermediate state signals of covered wire to be simulated.
Specifically, computing module can be entered to transfer function based on RLCG models, ABCD model theories
Row is calculated, and computational methods are as follows：
First-selection, computing module pass through the covered wire parameter that control terminal or display module are selected according to user
Judge the corresponding actual measurement parameter that whether is stored with parameter memory module, if there is corresponding actual measurement resistance
R, inductance L, electric capacity C, conductance G these actual measurement parameters, then based on ABCD models using actual measurement ginseng
Number calculates transfer function；If without corresponding actual measurement parameter, first according to the r for prestoringoc、ac、l0、l∞、
fm、b、g0、gc、c∞Parameter, determines coating line resistance R, inductance per km based on RLCG models
L, electric capacity C, conductance G.
RLCG models are as follows：
Wherein, R (f), L (f), C (f), G (f) are respectively the every km covered wire changed with signal frequency
Resistance function, inductance function, capacitance function, conductance function, f is signal frequency, rocIt is every km
The D.C. resistance of covered wire, acTo characterize the parameter that the resistance in Kelvin effect changes with frequency, l0It is every
The unidirectional current inductance value of km covered wire, l∞Be every km covered wire pass through high-frequency alternating current when inductance value,
fmFor the parameter that critical frequency, b change with frequency for inductance value in Kelvin effect, g0It is that every km is coated to
The DC conductance value of line, gcIt is attenuation constant that every km covered wire electric conductivity value changes with frequency, c∞It is every
Km covered wire passes through electric conductivity value during high-frequency alternating current.
The calculating of RLCG models, can calculate covered wire to be tested corresponding R, L, C, G.
Then, using R, L, C, the G for calculating, based on ABCD models calculate configured transmission and
Formula (2) is calculated as below and (3) calculate transfer function | the H (f) | of covered wire circuit to be measured：
Wherein, ω is angular frequency, and γ is configured transmission, and α, β are respectively the real part and imaginary part, Z of γ0For
Characteristic impedance.Line terminal load impedance is ZL, work as Z0=ZLWhen for matching when, the transmission function of circuit
Computing formula is as follows：
| H (f) |=e-d×α(f) (3)
Wherein, d is the length of covered wire to be simulated, and α (f) is the function that the real part of γ changes with f.
So far, calculate transfer function | the H (f) | of covered wire circuit to be tested.
Computing module is according to S2Intermediate state signals S is calculated with | H (f) |3, S3=| H (f) | S2, Ran Houtong
Inverse Fourier transform module is crossed to S3Carry out inverse fast Fourier transform and obtain S4, D/A converter module is to S4
Carry out digital-to-analogue conversion and obtain output signal Soutput, by simulation result output to receiving terminal teletransmission equipment, and
Shown on control terminal or display module, the analog simulation result of covered wire is entered with providing user
Row theory analysis.
Portable covered wire simulation box in the embodiment of the present invention, by covered wire transmission theory and covered wire reality
Survey parameter to combine, standard covered wire parameter and actual measurement covered wire parameter are stored to into parameter memory module in advance
In, species to be measured and length are calculated using covered wire parameter, according to RLCG models, ABCD models
Covered wire transfer function；According to the input signal of input teletransmission equipment, using transfer function, fill
Put generation output signal to be sent to and receive teletransmission equipment, intuitively signal effect is verified in receiving terminal teletransmission；
Additionally, end signal, transfer function, receiving end signal can will be sent in portable display module or control
Shown in terminal, so that user carries out theory analysis.
The portable covered wire simulation box provided in the embodiment of the present invention, will carry out covered wire transmission performance and imitate
It is easy to carry in each module integrated to one simulation box of true simulation, due to being easy to carry, therefore the simulation
Box can be applied directly to covered wire and set up scene, can solve it is existing experiment interior carry out covered wire biography
The problem of the very flexible that defeated performance simulation modeling scheme is present.Additionally, it is provided in an embodiment of the present invention just
It is to carry out analogue simulation to the transmission performance of covered wire by hardware device to take formula covered wire simulation box, and and
The non-experience for being to set up by scene personnel, therefore, compared to the existing Jing that personnel are set up by scene
Test and be transmitted the scheme of Performance Evaluation and have more reliability.Moreover, it is provided in an embodiment of the present invention just
Take in formula covered wire simulation box, store in parameter memory module the covered wire of each model actual measurement parameter and
The corresponding canonical parameter of covered wire of each model, due to arranging two sets of parameters, then, in concrete application mistake
Cheng Zhong, user can select actual measurement parameter, canonical parameter to carry out once the transmission performance of covered wire respectively
Analogue simulation, is estimated according to the comprehensive transmission performance to covered wire of simulation results twice, compares
It is only capable of by way of a kind of parameter carries out analogue simulation, with higher in existing laboratory simulation mode
Reliability.
Each embodiment in this specification is described by the way of progressive, and each embodiment is stressed
Be all difference with other embodiment, between each embodiment identical similar part mutually referring to
.Above a kind of portable covered wire simulation box provided by the present invention is described in detail, this
Apply specific case to be set forth the principle and embodiment of the present invention in text, above example
Illustrate that being only intended to help understands the method for the present invention and its core concept；Simultaneously for the one of this area
As technical staff, according to the present invention thought, have change in specific embodiments and applications
Part, in sum, this specification content should not be construed as limiting the invention.
Those skilled in the art are appreciated that can be carried out to the module in the equipment in embodiment certainly
Adaptively change and they are arranged in one or more different from embodiment equipment.Can be with
Module or unit or component in embodiment is combined into a module or unit or component, and in addition may be used
To be divided into multiple submodule or subelement or sub-component.Except such feature and/or process or
Outside at least some in unit is excluded each other, (companion can be included to this specification using any combinations
With claim, summary and accompanying drawing) disclosed in all features and so disclosed any method or
All processes of person's equipment or unit are combined.Unless expressly stated otherwise, this specification (includes companion
With claim, summary and accompanying drawing) disclosed in each feature can it is identical by offers, be equal to or phase
Replace like the alternative features of purpose.
Although additionally, it will be appreciated by those of skill in the art that some embodiments described herein include which
Some included features rather than further feature in its embodiment, but the group of the feature of different embodiments
Conjunction means to be within the scope of the present invention and formed different embodiments.For example, in claim
In book, embodiment required for protection one of arbitrarily can in any combination mode using.
The present invention all parts embodiment can be realized with hardware, or with one or more process
The software module run on device is realized, or is realized with combinations thereof.Those skilled in the art should
Understand, basis can be realized using microprocessor or digital signal processor (DSP) in practice
The some or all functions of some or all parts in the system start-up scheme of the embodiment of the present invention.
The present invention is also implemented as performing some or all equipment of method as described herein
Or program of device (for example, computer program and computer program).It is such to realize the present invention
Program can store on a computer-readable medium, or can have one or more signal shape
Formula.Such signal can be downloaded from internet website and be obtained, or provide on carrier signal, or
Person is provided with any other form.
It should be noted that above-described embodiment the present invention will be described rather than limits the invention,
And those skilled in the art can design replacement without departing from the scope of the appended claims
Embodiment.In the claims, any reference markss between bracket should not be configured to right
The restriction of requirement.Word "comprising" does not exclude the presence of element not listed in the claims or step.Position
Word "a" or "an" before element does not exclude the presence of multiple such elements.The present invention can
Realize with by means of the hardware for including some different elements and by means of properly programmed computer.
If in the unit claim for listing equipment for drying, several in these devices can be by same
Individual hardware branch is embodying.The use of word first, second, and third does not indicate that any order.
These words can be construed to title.
Claims (8)
1. a kind of portable covered wire simulates box, it is characterised in that the simulation box is applied to covered wire
Scene is set up, the portable covered wire simulation box includes：Computing module, parameter memory module and number
According to transport module；
The data transmission module is connected with the computing module and the parameter memory module respectively；
The parameter memory module is used for the actual measurement parameter of the covered wire for storing each model, and the quilt of each model
Cover the corresponding canonical parameter of line；
The computing module is used for actual measurement to covered wire to be measured that receiving data transport module is transmitted and joins
The selection instruction of number or canonical parameter, from the parameter memory module, acquisition, the selection instruction are indicated
The corresponding actual measurement parameter of covered wire described to be measured or canonical parameter, and according to from the computing module
The parameter that gets, signal imitation is carried out to the signal that transmitting terminal teletransmission equipment sends.
2. portable covered wire according to claim 1 simulates box, it is characterised in that：The quilt
Cover covered wire first interface, and covered wire second interface are provided with line simulation box cartridge outer surface；
The covered wire first interface passes through covered wire linkup transmit end teletransmission equipment；
The covered wire second interface connects receiving terminal teletransmission equipment by covered wire.
3. portable covered wire according to claim 2 simulates box, it is characterised in that the quilt
Covering line simulation box also includes：Modulus sampling module, fast Fourier transform module, fast Fourier transforma
Mold changing block and D/A converter module；
Wherein, the covered wire first interface is connected with the modulus sampling module, the covered wire
Two interfaces are connected with the D/A converter module；
The fast Fourier transform module respectively with the modulus sampling module and the computing module
It is connected；
The inverse fast Fourier transform module respectively with the computing module and the digital-to-analogue conversion mould
Block is connected.
4. portable covered wire according to claim 3 simulates box, it is characterised in that the mould
Number sampling modules for the signal that transmitting terminal teletransmission equipment sends is transformed into digital signal, and by the number
Word signal is sent to the fast Fourier transform module；
The fast Fourier transform module, for changing to the digital signal, generates first turn
Varying signal, and first convert signals are sent to computing module, so that the computing module carries out letter
Number simulation；
The inverse fast Fourier transform module, it is inverse for carrying out to the signal after computing module simulation
Conversion, generates the first inverse transformation signal, and the first inverse transformation signal is sent to the digital-to-analogue conversion
Module；
The D/A converter module, for the first inverse transformation signal is changed into output signal, and exports
The output signal.
5. the portable covered wire according to any one of claim 1-4 simulates box, it is characterised in that
The simulation box also includes：Display module；
Wherein, the display module is connected with the data transmission module；
The display module treats the actual measurement parameter of the covered wire of side or the selection of canonical parameter for reception
Instruction, and the setting of the length parameter to covered wire to be measured and signal frequency parameter, and by institute
The parameter stated selection instruction and arrange is sent to the computing module by the data transmission module.
6. the portable covered wire according to any one of claim 1-4 simulates box, it is characterised in that
The data transmission module is ethernet module, and the portable covered wire simulation box is passed through with control terminal
The ethernet module network connection；
The control terminal treats the actual measurement parameter of the covered wire of side or the selection of canonical parameter for reception
Instruction, and the setting of the length parameter to covered wire to be measured and signal frequency parameter, and by institute
The parameter stated selection instruction and arrange is sent to the portable covered wire simulation box by network
The computing module.
7. portable covered wire according to claim 5 simulates box, it is characterised in that the meter
Calculating module includes：
Receiving subelement, for receiving selection instruction and the ginseng for arranging that the display module sends
Number, and the first conversion signal that the fast Fourier transform module sends；
Subelement is obtained, for the institute that the acquisition from the parameter memory module, the selection instruction are indicated
State the corresponding actual measurement parameter of covered wire to be measured or canonical parameter；Wherein, the actual measurement parameter includes：Electricity
Resistance, inductance, electric capacity, conductance parameter, the canonical parameter include：DC resistance, unidirectional current inductance value,
In resistance changes with frequency in DC conductance value, Kelvin effect parameter, Kelvin effect, inductance value is with frequency
The parameter of change, alternating current inductance value, conductance for alternating current value, critical frequency, attenuation constant；
Parameter processing unit, for when obtain for survey parameter when, directly invoke the first process model according to
The line transmission function of the covered wire to be measured is calculated according to the actual measurement parameter；Join for standard when obtaining
Number when, call second processing model to process the canonical parameter, obtain corresponding resistance, inductance,
Electric capacity, conductance parameter, process model to the resistance, inductance, electric capacity, conductance ginseng according to described first
Number is calculated, and obtains the line transmission function of the covered wire to be measured；
Computing unit, for according to the calculated line transmission function of parameter processing unit and to be measured
The length parameter and signal frequency parameter of covered wire the fast Fourier transform module is sent
One conversion signal is simulated, and generates pilot process signal；
Subelement is sent, for the pilot process signal is sent to the inverse fast Fourier transform mould
Block.
8. portable covered wire according to claim 7 simulates box, it is characterised in that the meter
Calculating module also includes：
Signal sends subelement, for the first conversion letter for sending the fast Fourier transform module
Number, and the pilot process signal that generates of the computing unit, send to the display module with aobvious
Show；
The D/A converter module, for the first inversion for generating the inverse fast Fourier transform module
Change signal and be converted into output signal and send to the control module to show.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510604535.4A CN106559104B (en) | 2015-09-21 | 2015-09-21 | Portable covered wire simulation box |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510604535.4A CN106559104B (en) | 2015-09-21 | 2015-09-21 | Portable covered wire simulation box |
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| Publication Number | Publication Date |
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| CN106559104A true CN106559104A (en) | 2017-04-05 |
| CN106559104B CN106559104B (en) | 2020-11-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510604535.4A Active CN106559104B (en) | 2015-09-21 | 2015-09-21 | Portable covered wire simulation box |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111781551A (en) * | 2020-07-28 | 2020-10-16 | 国家电网有限公司 | Protection circuit of pulse calibrator is put in office |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102487299A (en) * | 2010-12-03 | 2012-06-06 | 华北电力科学研究院有限责任公司 | Method and device for simulating noise of power line carrier channel |
| WO2014053177A1 (en) * | 2012-10-04 | 2014-04-10 | Rohde & Schwarz Gmbh & Co. Kg | A method and a test system for automatically configuring a tester |
| CN104075744A (en) * | 2014-06-24 | 2014-10-01 | 南京航空航天大学 | Automatic calibration system for remote-measuring equipment |
-
2015
- 2015-09-21 CN CN201510604535.4A patent/CN106559104B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102487299A (en) * | 2010-12-03 | 2012-06-06 | 华北电力科学研究院有限责任公司 | Method and device for simulating noise of power line carrier channel |
| WO2014053177A1 (en) * | 2012-10-04 | 2014-04-10 | Rohde & Schwarz Gmbh & Co. Kg | A method and a test system for automatically configuring a tester |
| CN104075744A (en) * | 2014-06-24 | 2014-10-01 | 南京航空航天大学 | Automatic calibration system for remote-measuring equipment |
Non-Patent Citations (2)
| Title |
|---|
| 张旭: "《1553B总线信道建模研究》", 《测试技术学报》 * |
| 李泽天 等: "《基于LabVIEW的双绞线/被复线仿真与应用》", 《兵工自动化》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111781551A (en) * | 2020-07-28 | 2020-10-16 | 国家电网有限公司 | Protection circuit of pulse calibrator is put in office |
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| CN106559104B (en) | 2020-11-10 |
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