CN113935147A - Time domain model calculation method and device with feedback subsystem and terminal equipment - Google Patents

Time domain model calculation method and device with feedback subsystem and terminal equipment Download PDF

Info

Publication number
CN113935147A
CN113935147A CN202111023302.7A CN202111023302A CN113935147A CN 113935147 A CN113935147 A CN 113935147A CN 202111023302 A CN202111023302 A CN 202111023302A CN 113935147 A CN113935147 A CN 113935147A
Authority
CN
China
Prior art keywords
time domain
domain model
response function
target system
feedback subsystem
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202111023302.7A
Other languages
Chinese (zh)
Inventor
刘智帅
赵复生
王宇
王硕
张罗莎
刘玉姝
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Haining Institute Of Integrated Circuits And Advanced Manufacturing
Original Assignee
Haining Institute Of Integrated Circuits And Advanced Manufacturing
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Haining Institute Of Integrated Circuits And Advanced Manufacturing filed Critical Haining Institute Of Integrated Circuits And Advanced Manufacturing
Priority to CN202111023302.7A priority Critical patent/CN113935147A/en
Publication of CN113935147A publication Critical patent/CN113935147A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F30/00—Computer-aided design [CAD]
    • G06F30/20—Design optimisation, verification or simulation
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2111/00—Details relating to CAD techniques
    • G06F2111/10—Numerical modelling

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Evolutionary Computation (AREA)
  • Geometry (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

The invention is suitable for the communication field, and provides a time domain model calculation method, a time domain model calculation device and terminal equipment, wherein the method comprises the following steps: acquiring transfer parameters between input ports and output ports of the coupling device, wherein the transfer parameters are the ratio of the complex amplitude of an electric field at the output port to the complex amplitude of the electric field at the input port; acquiring a response function of a feedback subsystem; and establishing a time domain model of the feedback subsystem according to the transfer parameters and the response function. The time domain model calculation method containing the feedback subsystem can effectively improve the accuracy of time domain simulation calculation of the feedback subsystem.

Description

Time domain model calculation method and device with feedback subsystem and terminal equipment
Technical Field
The invention belongs to the technical field of communication, and particularly relates to a time domain model calculation method and device with a feedback subsystem and terminal equipment.
Background
In various signal processing processes, the feedback system is an important component, and accordingly, the feedback system has important practical significance for accurately calculating signals passing through the feedback subsystem.
Traditionally, the computation of the signal for multiple passes through the feedback subsystem typically needs to be done in the frequency domain. For example, the time domain Block simulation method needs to solve a frequency domain model of a system, calculate S parameters, transform the frequency domain model into a time domain model through fourier transform, and finally perform convolution calculation on an input signal and the time domain model. The numerical calculation process of the method inevitably causes errors, and the requirement on the sampling precision is high. While the Sample by Sample simulation algorithm in the time domain needs to continuously acquire the input signal so as to acquire the output signal at each moment, the method cannot correct the delay of the signal passing through each device, and the calculation result is inaccurate.
Disclosure of Invention
In view of this, embodiments of the present invention provide a time domain model calculation method and apparatus including a feedback subsystem, and a terminal device, which can improve accuracy of simulation calculation of the feedback subsystem in a time domain.
The first aspect of the embodiments of the present invention provides a time domain model calculation method including a feedback subsystem, which is applied to a target system, where the target system includes a coupling device and the feedback subsystem, and the method includes:
acquiring transfer parameters between input ports and output ports of the coupling device, wherein the transfer parameters are the ratio of the complex amplitude of an electric field at the output port to the complex amplitude of the electric field at the input port;
acquiring a response function of a feedback subsystem;
and establishing a time domain model of the target system according to the transfer parameters and the response function of the feedback subsystem.
A second aspect of the embodiments of the present invention provides a time domain model calculation apparatus including a feedback subsystem, which is applied to a target system, where the target system includes a coupling device and the feedback subsystem, and the apparatus includes:
the transmission parameter acquisition module is used for acquiring transmission parameters between each input port and each output port of the coupling device, wherein the transmission parameters are the ratio of the complex amplitude of the electric field at the output port to the complex amplitude of the electric field at the input port;
the response function acquisition module is used for acquiring a response function of the feedback subsystem;
and the time domain model establishing module is used for establishing a time domain model of the target system according to the transfer parameters and the response function of the feedback subsystem.
A third aspect of the embodiments of the present invention provides a terminal device, including a memory, a processor, and a computer program stored in the memory and executable on the processor, where the processor implements the steps of the method when executing the computer program.
A fourth aspect of embodiments of the present invention provides a computer-readable storage medium having stored thereon a computer program which, when executed by a processor, performs the steps of the method as described above.
A fifth aspect of embodiments of the present invention provides a computer program product, which, when run on a terminal device, causes the electronic device to perform the steps of the method according to any one of the first aspect.
Compared with the prior art, the embodiment of the invention has the following beneficial effects: the embodiment of the invention provides a time domain model calculation method comprising a feedback subsystem, which comprises the steps of obtaining transfer parameters between each input port and each output port of a coupling device, wherein the transfer parameters are the ratio of the complex amplitude of an electric field at the output port to the complex amplitude of the electric field at the input port; acquiring a response function of a feedback subsystem; and establishing a time domain model of the feedback subsystem according to the transfer parameters and the response function. The time domain model calculation method with the feedback subsystem provided by the embodiment of the invention can effectively improve the accuracy of simulation calculation and reduce the data processing amount.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.
Fig. 1 is a schematic view of an application scenario of a time domain model calculation method with a feedback subsystem according to an embodiment of the present invention;
FIG. 2 is a schematic flow chart illustrating an implementation of a time domain model calculation method with a feedback sub-system according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of another application scenario of a time domain model calculation method with a feedback sub-system according to an embodiment of the present invention;
FIG. 4 is a schematic diagram of a time domain model calculation apparatus with a feedback sub-system according to an embodiment of the present invention;
fig. 5 is a schematic diagram of a terminal device according to an embodiment of the present invention.
Detailed Description
In the following description, for purposes of explanation and not limitation, specific details are set forth, such as particular system structures, techniques, etc. in order to provide a thorough understanding of the embodiments of the invention. It will be apparent, however, to one skilled in the art that the present invention may be practiced in other embodiments that depart from these specific details. In other instances, detailed descriptions of well-known systems, devices, circuits, and methods are omitted so as not to obscure the description of the present invention with unnecessary detail.
In order to explain the technical means of the present invention, the following description will be given by way of specific examples.
Fig. 1 is a schematic view of an application scenario of a time domain model calculation method with a feedback subsystem according to an embodiment of the present invention. Referring to fig. 1, the method provided by the embodiment of the present invention is applied to a target system, and the target system includes a coupler and a feedback subsystem. Where the coupler includes port 1, port 2, port 3, and port 4. The port 1 and the port 3 are input ports of the coupler, the port 2 and the port 4 are output ports of the coupler, and the coupler outputs signals to the feedback subsystem through the port 4 and receives signals processed by the feedback subsystem through the port 3.
In some embodiments, the target system is a linear system.
Fig. 2 is a schematic flow chart illustrating an implementation of a time domain model calculation method with a feedback sub-system according to an embodiment of the present invention. Referring to fig. 2, the method provided by the embodiment of the present invention may include steps S101 to S103.
S101: and acquiring transfer parameters between each input port and each output port of the coupling device, wherein the transfer parameters are the ratio of the complex amplitude of the electric field at the output port to the complex amplitude of the electric field at the input port.
Referring to fig. 1, in a specific example, port 2 is the main output of port 1, port 4 is the main output of port 3, and for the main output, the passing parameter is denoted as a. The port 4 is a coupling output terminal of the port 1, the port 2 is a coupling output terminal of the port 3, and the transmission parameter is b for the coupling output terminals.
In particular, when the coupling device is intact, a2+b2＝1。
S102: a response function of the feedback subsystem is obtained.
The response function of the feedback sub-system is determined by the structural parameters of the feedback sub-system.
In some embodiments, the response function of the feedback subsystem is hc(t)。
S103: and establishing a time domain model of the target system according to the transfer parameters and the response function of the feedback subsystem.
The time domain model calculation method with the feedback subsystem provided by the embodiment of the invention can effectively improve the accuracy of simulation calculation and reduce the data processing amount.
In some embodiments, a time domain model of a target system, comprises:
Figure BDA0003239032500000041
wherein h (t) is a time domain model of the target system, hm(t) The response function of the mth signal path is adopted, and m represents that the signal transmission process in the signal path passes through the feedback subsystem m times;
Figure BDA0003239032500000042
wherein, a is the transmission parameter from each input port of the coupling device to the corresponding main output port, b is the transmission parameter from the input port of the coupling device to the corresponding coupling output port, hc() Is a response function of the feedback subsystem.
In still other embodiments, a time domain model of a target system, comprises:
Figure BDA0003239032500000051
wherein h (t) is a time domain model of the target system, hm(t) is a response function of the mth signal path, M represents that a signal transmission process in the signal path passes through the feedback subsystem M times, and M is a preset threshold value;
Figure BDA0003239032500000052
wherein, a is the transmission parameter from each input port of the coupling device to the corresponding main output port, b is the transmission parameter from the input port of the coupling device to the corresponding coupling output port, hc(t) is a response function of the feedback subsystem.
Specifically, the preset threshold value is calculated based on a preset threshold value calculation formula;
the preset threshold calculation formula comprises:
|b2aM-1|2<0.1％
and M is a preset threshold, M is a minimum integer meeting the calculation formula of the preset threshold, a is a transmission parameter from each input port of the coupling device to the corresponding main output port, and b is a transmission parameter from the input port of the coupling device to the corresponding coupling output port.
Fig. 3 is a schematic diagram illustrating another application scenario of the time domain model calculation method with a feedback sub-system according to an embodiment of the present invention.
Referring to fig. 3, in some embodiments, the feedback subsystem includes a waveguide, in which case S103 includes:
establishing a time domain model of the target system according to the transfer parameters and the response function of the waveguide; the response function of the waveguide includes:
Figure BDA0003239032500000053
wherein h isw(t) is the response function of the waveguide, ω0Is the central angular frequency, L is the waveguide length, vgIs group velocity, vphIs the phase velocity.
In some embodiments, when the feedback subsystem comprises a waveguide, the time domain model of the target system comprises:
Figure BDA0003239032500000061
wherein h (t) is a time domain model of the target system, hm(t) is a response function of the mth signal path, M represents that a signal transmission process in the signal path passes through the feedback subsystem M times, and M is a preset threshold value;
Figure BDA0003239032500000062
wherein, a is the transfer parameter from each input port of the coupling device to the corresponding main output port, b is the transfer parameter from the input port of the coupling device to the corresponding coupling output port, and ω is0Is the central angular frequency, L is the waveguide length, vgIs group velocity, vphIs the phase velocity. M is such that | b is satisfied2aM-1|2<0.1% of the smallest integer.
In some embodiments, when the feedback sub-system includes a waveguide, after S103, the method for calculating a time domain model including a feedback sub-system further includes:
performing convolution calculation on an input signal of a target system and a time domain model of the target system to obtain an output signal;
the output signal includes:
Figure BDA0003239032500000063
according to the output signal calculation method provided by the embodiment of the invention, when the feedback subsystem is a waveguide, compared with a time domain Block simulation method, the output signal can be directly obtained without conversion of a calculation domain, so that the calculation amount is remarkably reduced, the error is reduced, and the simulation algorithm is simplified; compared with the time domain Sample by Sample simulation method, the method is not limited by the requirement of extremely high sampling frequency under the resonance effect condition, thereby obviously improving the calculation efficiency and the precision.
It should be understood that, the sequence numbers of the steps in the foregoing embodiments do not imply an execution sequence, and the execution sequence of each process should be determined by its function and inherent logic, and should not constitute any limitation to the implementation process of the embodiments of the present invention.
Fig. 4 shows a schematic structural diagram of a time domain model calculation apparatus with a feedback sub-system according to an embodiment of the present invention. Referring to fig. 4, in some embodiments, the time domain model calculation apparatus 40 with feedback subsystem is applied to a target system including a coupling device and a feedback subsystem, and may include a transfer parameter acquisition module 410, a response function acquisition module 420, and a time domain model building module 430.
The transmission parameter obtaining module 410 is configured to obtain a transmission parameter between each input port and each output port of the coupling device, where the transmission parameter is a ratio of an electric field complex amplitude at the output port to an electric field complex amplitude at the input port;
the response function obtaining module 420 is configured to obtain a response function of the feedback subsystem;
and a time domain model establishing module 430, configured to establish a time domain model of the target system according to the transfer parameter and the response function of the feedback subsystem.
The time domain model calculation device with the feedback subsystem provided by the embodiment of the invention can effectively improve the accuracy of simulation calculation and reduce the data processing capacity.
In some embodiments, a time domain model of a target system, comprises:
Figure BDA0003239032500000071
wherein h (t) is a time domain model of the target system, hm(t) is the response function of the mth signal path, m represents the signal transmission process in the signal path passing through the feedback subsystem m times;
Figure BDA0003239032500000072
wherein, a is the transmission parameter from each input port of the coupling device to the corresponding main output port, b is the transmission parameter from the input port of the coupling device to the corresponding coupling output port, hc(t) is a response function of the feedback subsystem.
In some embodiments, a time domain model of a target system, comprises:
Figure BDA0003239032500000073
wherein h (t) is a time domain model of the target system, hm(t) is the response function of the mth signal path, M represents the signal transmission process in the mth signal path passing through the feedback subsystem M times, and M is the condition of satisfying | b2aM-1|2<0.1% of the smallest integer.
Figure BDA0003239032500000081
Wherein a is each input of the coupling deviceThe transfer parameter from the input port to the corresponding main output port, b is the transfer parameter from the input port of the coupling device to the corresponding coupling output port, hc(t) is a response function of the feedback subsystem.
In some embodiments, the time domain model establishing module 430 is specifically configured to calculate the preset threshold based on a preset threshold calculation formula;
the preset threshold calculation formula comprises:
|b2aM-1|2<0.1％
and M is a preset threshold, M is a minimum integer meeting the calculation formula of the preset threshold, a is a transmission parameter from each input port of the coupling device to the corresponding main output port, and b is a transmission parameter from the input port of the coupling device to the corresponding coupling output port.
In some embodiments, the feedback subsystem comprises a waveguide;
the time domain model establishing module 430 is specifically configured to: establishing a time domain model of the target system according to the transfer parameters and the response function of the waveguide;
the response function of the waveguide includes:
Figure BDA0003239032500000082
wherein h isw(t) is the response function of the waveguide, ω0Is the central angular frequency, L is the waveguide length, vgIs group velocity, vphIs the phase velocity.
In some embodiments, a time domain model of a target system, comprises:
Figure BDA0003239032500000083
wherein h (t) is a time domain model of the target system, hm(t) is a response function of the mth signal path, M represents that a signal transmission process in the signal path passes through the feedback subsystem M times, and M is a preset threshold value;
Figure BDA0003239032500000091
wherein, a is the transfer parameter from each input port of the coupling device to the corresponding main output port, b is the transfer parameter from the input port of the coupling device to the corresponding coupling output port, and ω is0Is the central angular frequency, L is the waveguide length, vgIs group velocity, vphIs the phase velocity.
In some embodiments, the time domain model calculation apparatus with feedback subsystem 40 further includes a convolution calculation module, configured to perform convolution calculation on an input signal of a target system and a time domain model of the target system to obtain an output signal;
the output signal includes:
Figure BDA0003239032500000092
fig. 5 is a schematic diagram of a terminal device according to an embodiment of the present invention. As shown in fig. 5, the terminal device 50 of this embodiment includes: a processor 500, a memory 510 and a computer program 520 stored in said memory 510 and executable on said processor 500, such as a time domain model calculation program comprising a feedback subsystem. The processor 50, when executing the computer program 520, implements the steps in each of the above embodiments of the time domain model calculation method with feedback sub-system, such as the steps S101 to S103 shown in fig. 2. Alternatively, the processor 500 executes the computer program 520 to implement the functions of the modules and units in the above device embodiments, such as the functions of the modules 410 to 430 shown in fig. 4.
Illustratively, the computer program 520 may be partitioned into one or more modules, units, which are stored in the memory 510 and executed by the processor 500 to implement the present invention. The one or more modules, units may be a series of computer program instruction segments capable of performing specific functions, which are used to describe the execution process of the computer program 520 in the terminal device 50. For example, the computer program 520 may be divided into a transfer parameter acquisition module, a response function acquisition module, a time domain model building module.
The terminal device 50 may be a computing device such as a desktop computer, a notebook, a palm computer, and a cloud server. The terminal device may include, but is not limited to, a processor 500, a memory 510. Those skilled in the art will appreciate that fig. 5 is merely an example of a terminal device 50 and does not constitute a limitation of terminal device 50 and may include more or fewer components than shown, or some components may be combined, or different components, for example, the terminal device may also include input output devices, network access devices, buses, etc.
The Processor 500 may be a Central Processing Unit (CPU), other general purpose Processor, a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), an off-the-shelf Programmable Gate Array (FPGA) or other Programmable logic device, discrete Gate or transistor logic, discrete hardware components, etc. A general purpose processor may be a microprocessor or the processor may be any conventional processor or the like.
The storage 510 may be an internal storage unit of the terminal device 50, such as a hard disk or a memory of the terminal device 50. The memory 510 may also be an external storage device of the terminal device 50, such as a plug-in hard disk, a Smart Media Card (SMC), a Secure Digital (SD) Card, a Flash memory Card (Flash Card), and the like, which are provided on the terminal device 50. Further, the memory 510 may also include both an internal storage unit and an external storage device of the terminal device 50. The memory 510 is used for storing the computer programs and other programs and data required by the terminal device. The memory 510 may also be used to temporarily store data that has been output or is to be output.
It will be apparent to those skilled in the art that, for convenience and brevity of description, only the above-mentioned division of the functional units and modules is illustrated, and in practical applications, the above-mentioned function distribution may be performed by different functional units and modules according to needs, that is, the internal structure of the apparatus is divided into different functional units or modules to perform all or part of the above-mentioned functions. Each functional unit and module in the embodiments may be integrated in one processing unit, or each unit may exist alone physically, or two or more units are integrated in one unit, and the integrated unit may be implemented in a form of hardware, or in a form of software functional unit. In addition, specific names of the functional units and modules are only for convenience of distinguishing from each other, and are not used for limiting the protection scope of the present application. The specific working processes of the units and modules in the system may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.
In the above embodiments, the descriptions of the respective embodiments have respective emphasis, and reference may be made to the related descriptions of other embodiments for parts that are not described or illustrated in a certain embodiment.
Those of ordinary skill in the art will appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware or combinations of computer software and electronic hardware. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the implementation. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present invention.
In the embodiments provided in the present invention, it should be understood that the disclosed apparatus, terminal device and method may be implemented in other ways. For example, the above-described embodiments of the apparatus and the terminal device are merely illustrative, and for example, the division of the module or the unit is only one logical function division, and there may be another division in actual implementation, for example, a plurality of units or components may be combined or may be integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit.
The integrated modules, units, if implemented in the form of software functional units and sold or used as separate products, may be stored in a computer readable storage medium. Based on such understanding, all or part of the flow of the method according to the embodiments of the present invention may also be implemented by a computer program, which may be stored in a computer-readable storage medium, and when the computer program is executed by a processor, the steps of the method embodiments may be implemented. Wherein the computer program comprises computer program code, which may be in the form of source code, object code, an executable file or some intermediate form, etc. The computer-readable medium may include: any entity or device capable of carrying the computer program code, recording medium, usb disk, removable hard disk, magnetic disk, optical disk, computer Memory, Read-Only Memory (ROM), Random Access Memory (RAM), electrical carrier wave signals, telecommunications signals, software distribution medium, and the like. It should be noted that the computer readable medium may contain content that is subject to appropriate increase or decrease as required by legislation and patent practice in jurisdictions, for example, in some jurisdictions, computer readable media does not include electrical carrier signals and telecommunications signals as is required by legislation and patent practice.
The above-mentioned embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the spirit and scope of the embodiments of the present invention, and are intended to be included within the scope of the present invention.

Claims (10)

1. A time domain model calculation method with a feedback subsystem is applied to a target system, wherein the target system comprises a coupling device and the feedback subsystem, and the method comprises the following steps:
acquiring transfer parameters between input ports and output ports of the coupling device, wherein the transfer parameters are the ratio of the complex amplitude of an electric field at the output port to the complex amplitude of the electric field at the input port;
acquiring a response function of a feedback subsystem;
and establishing a time domain model of the target system according to the transfer parameters and the response function of the feedback subsystem.
2. The method of claim 1, wherein the time domain model of the target system comprises:
Figure FDA0003239032490000011
wherein h (t) is a time domain model of the target system, hm(t) is the response function of the mth signal path, m represents the signalThe signal transmission process in the signal path passes through the feedback subsystem m times;
Figure FDA0003239032490000012
wherein, a is the transmission parameter from each input port of the coupling device to the corresponding main output port, b is the transmission parameter from the input port of the coupling device to the corresponding coupling output port, hc(t) is a response function of the feedback subsystem.
3. The method of claim 1, wherein the time domain model of the target system comprises:
Figure FDA0003239032490000013
wherein h (t) is a time domain model of the target system, hm(t) is a response function of the mth signal path, M represents that a signal transmission process in the signal path passes through the feedback subsystem M times, and M is a preset threshold value;
Figure FDA0003239032490000021
wherein, a is the transmission parameter from each input port of the coupling device to the corresponding main output port, b is the transmission parameter from the input port of the coupling device to the corresponding coupling output port, hc(t) is a response function of the feedback subsystem.
4. The method of time domain model computation with feedback sub-system of claim 3, wherein prior to said building a time domain model of said target system from said transfer parameters and said response function, said method further comprises:
calculating a preset threshold value based on a preset threshold value calculation formula;
the preset threshold calculation formula comprises:
|b2aM-1|2＜0.1％
and M is the minimum integer meeting the preset threshold calculation formula, a is the transmission parameter from each input port of the coupling device to the corresponding main output port, and b is the transmission parameter from the input port of the coupling device to the corresponding coupling output port.
5. The time domain model computation method with a feedback sub-system of claim 1, wherein the feedback sub-system comprises a waveguide;
the establishing a time domain model of the target system according to the transfer parameter and the response function of the feedback subsystem includes:
establishing a time domain model of the target system according to the transfer parameters and the response function of the waveguide;
the response function of the waveguide includes:
Figure FDA0003239032490000022
wherein h isw(t) is the response function of the waveguide, ω0Is the central angular frequency, L is the waveguide length, vgIs group velocity, vphIs the phase velocity.
6. The method of claim 5, wherein the time domain model of the target system comprises:
Figure FDA0003239032490000031
wherein h (t) is a time domain model of the target system, hm(t) is a response function of the mth signal path, M represents that a signal transmission process in the signal path passes through the feedback subsystem M times, and M is a preset threshold value;
Figure FDA0003239032490000032
wherein, a is the transfer parameter from each input port of the coupling device to the corresponding main output port, b is the transfer parameter from the input port of the coupling device to the corresponding coupling output port, and ω is0Is the central angular frequency, L is the waveguide length, vgIs group velocity, vphIs the phase velocity.
7. The method of time domain model computation with a feedback sub-system of claim 6, wherein after the time domain model of the target system is built based on the transfer parameter and the response function of the feedback sub-system, the method further comprises:
performing convolution calculation on an input signal of a target system and a time domain model of the target system to obtain an output signal;
the output signal includes:
Figure FDA0003239032490000033
8. a time domain model computation apparatus including a feedback sub-system, applied to a target system, the target system including a coupling device and the feedback sub-system, the apparatus comprising:
the transmission parameter acquisition module is used for acquiring transmission parameters between each input port and each output port of the coupling device, wherein the transmission parameters are the ratio of the complex amplitude of the electric field at the output port to the complex amplitude of the electric field at the input port;
the response function acquisition module is used for acquiring a response function of the feedback subsystem;
and the time domain model establishing module is used for establishing a time domain model of the target system according to the transfer parameters and the response function of the feedback subsystem.
9. A terminal device comprising a memory, a processor and a computer program stored in the memory and executable on the processor, characterized in that the processor implements the steps of the method according to any of claims 1 to 7 when executing the computer program.
10. A computer-readable storage medium, in which a computer program is stored which, when being executed by a processor, carries out the steps of the method according to any one of claims 1 to 7.
CN202111023302.7A 2021-08-31 2021-08-31 Time domain model calculation method and device with feedback subsystem and terminal equipment Pending CN113935147A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111023302.7A CN113935147A (en) 2021-08-31 2021-08-31 Time domain model calculation method and device with feedback subsystem and terminal equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111023302.7A CN113935147A (en) 2021-08-31 2021-08-31 Time domain model calculation method and device with feedback subsystem and terminal equipment

Publications (1)

Publication Number Publication Date
CN113935147A true CN113935147A (en) 2022-01-14

Family

ID=79274853

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202111023302.7A Pending CN113935147A (en) 2021-08-31 2021-08-31 Time domain model calculation method and device with feedback subsystem and terminal equipment

Country Status (1)

Country Link
CN (1) CN113935147A (en)

Similar Documents

Publication Publication Date Title
CN108363737B (en) Data format conversion method, device and equipment
CN110736899B (en) Small current grounding fault positioning method and system, monitoring device, equipment and medium
CN108268705B (en) Microwave circuit nonlinear model establishing method, measuring system and terminal equipment
CN111882038A (en) Model conversion method and device
CN114138231B (en) Method, circuit and SOC for executing matrix multiplication operation
CN111178513B (en) Convolution implementation method and device of neural network and terminal equipment
CN113935147A (en) Time domain model calculation method and device with feedback subsystem and terminal equipment
CN114700957B (en) Robot control method and device with low computational power requirement of model
CN113447881A (en) Measuring method and device of intelligent electric energy meter and terminal equipment
CN111384971A (en) Data processing method and device in finite field and decoder
CN115577221A (en) Signal processing method and device, twiddle factor optimization method and terminal equipment
CN112444675B (en) Harmonic superstandard early warning method, device, equipment and medium for power transmission network nodes
CN112712461B (en) Image deconvolution processing method and device and terminal equipment
CN110441746B (en) Time domain gate transformation method and device
CN112803428A (en) Receiving-end main network frame dynamic reactive power supply configuration node selection method and terminal
CN113160942A (en) Image data quality evaluation method and device, terminal equipment and readable storage medium
CN110730044A (en) Radio frequency test channel positioning method and device, radio frequency test system and control terminal
WO2022116052A1 (en) System optimization control method and apparatus, terminal device and readable storage medium
CN112257323B (en) Automatic network separation method and device based on electromagnetic transient parallel computing and terminal equipment
CN110504948A (en) Signal processing method and equal-interval fractional delay filter
CN113609648B (en) Dynamic load-based electric energy error metering method and device and electronic equipment
CN112580932A (en) Method for evaluating balance degree of electricity sales and terminal equipment
CN112650971B (en) Method, device, equipment and storage medium for realizing formula calculation
CN112948105B (en) Gradient transmission method, gradient transmission device and parameter server
CN116429968A (en) Sample migration-based flue gas oxygen content prediction method and device and electronic equipment

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination