CN114361796A - Large instantaneous bandwidth phased array antenna beam control system and method - Google Patents
Large instantaneous bandwidth phased array antenna beam control system and method Download PDFInfo
- Publication number
- CN114361796A CN114361796A CN202210052097.5A CN202210052097A CN114361796A CN 114361796 A CN114361796 A CN 114361796A CN 202210052097 A CN202210052097 A CN 202210052097A CN 114361796 A CN114361796 A CN 114361796A
- Authority
- CN
- China
- Prior art keywords
- phased array
- numerical control
- array antenna
- instantaneous bandwidth
- delay
- 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.)
- Granted
Links
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
- H01Q3/26—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture
- H01Q3/30—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture varying the relative phase between the radiating elements of an array
- H01Q3/34—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture varying the relative phase between the radiating elements of an array by electrical means
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F17/00—Digital computing or data processing equipment or methods, specially adapted for specific functions
- G06F17/10—Complex mathematical operations
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/06—Arrays of individually energised antenna units similarly polarised and spaced apart
- H01Q21/061—Two dimensional planar arrays
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Theoretical Computer Science (AREA)
- Data Mining & Analysis (AREA)
- General Physics & Mathematics (AREA)
- Pure & Applied Mathematics (AREA)
- Mathematical Optimization (AREA)
- Algebra (AREA)
- Computational Mathematics (AREA)
- Databases & Information Systems (AREA)
- Software Systems (AREA)
- General Engineering & Computer Science (AREA)
- Mathematical Analysis (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
- Radar Systems Or Details Thereof (AREA)
Abstract
The invention relates to the technical field of antenna beam control, and discloses a large instantaneous bandwidth phased array antenna beam control system and method. The control system comprises a phased array antenna with a large instantaneous bandwidth and a wave controller, wherein the number of channels of the phased array antenna with the large instantaneous bandwidth is N0And an antenna unit, a numerical control delayer and a numerical control phase shifter which are electrically connected in sequence are arranged in each channel, and the wave controller is used for controlling the numerical control delayer and the numerical control phase shifter of each channel. The invention solves the problems of poor beam performance of the phased array antenna and the like caused by low beam pointing precision, higher side lobe level, longer aperture transit time and the like in the instantaneous bandwidth of the phased array antenna in the prior art.
Description
Technical Field
The invention relates to the technical field of antenna beam control, in particular to a large instantaneous bandwidth phased array antenna beam control system and method.
Background
The phased array antenna is mainly applied to radar, communication, electronic countermeasure and other systems. With the increasing demand, such as the need of stronger interference resistance and higher distance resolution, these application systems have gradually changed into broadband systems, and therefore the phased array antenna is also required to have the working capability of large instantaneous bandwidth. At present, the combined use of a numerical control phase shifter and a numerical control time delay device is a commonly adopted scheme for realizing the large instantaneous bandwidth phased array antenna engineering. Errors exist in measured values and theoretical values of the numerical control phase shifter and the numerical control delayer, and for example, in documents (aged moon, square circle, Lifu strong GaAs PHEMT ultra-wideband six-digit numerical control delayer chip [ J ], the science and electronic information bulletin for terahertz, 2018, 16 (5): 926 and 929.), 64-state delay Root Mean Square (RMS) errors of the 6-digit delayer are reported to be less than 8 ps. For the phased array antenna with the characteristic of large instantaneous bandwidth, the delay error influence of the numerical control delayer is more obvious. The document "interference of delaying delay in antenna-time beamforming using frequency domain architectures" (IEEE Communications Letters,2013,17(4): 769-. The existing documents and data do not analyze and explain the beam control method of the phased array antenna with large instantaneous bandwidth under the condition that the delay error of the numerical control delayer exists.
The prior art has the problems of poor beam performance of the phased array antenna and the like caused by low beam pointing accuracy, higher side lobe level, longer aperture transit time and the like in the instantaneous bandwidth of the phased array antenna.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides a beam control system and a beam control method for a phased array antenna with a large instantaneous bandwidth, which solve the problems of poor beam performance of the phased array antenna and the like caused by low beam pointing precision, higher side lobe level, longer aperture transit time and the like in the instantaneous bandwidth of the phased array antenna in the prior art.
The technical scheme adopted by the invention for solving the problems is as follows:
a wave beam control system of a phased array antenna with a large instantaneous bandwidth comprises the phased array antenna with the large instantaneous bandwidth and a wave controller, wherein the number of channels of the phased array antenna with the large instantaneous bandwidth is N0Each channel is internally provided with an antenna unit, a numerical control delayer and a numerical control phase shifter which are electrically connected in sequence, and the wave controller is used for controlling the numerical control delayer and the numerical control phase shifter of each channel; wherein a phased array antenna with a large instantaneous bandwidth refers to a phased array antenna with an instantaneous relative bandwidth of more than 10%, N0Not less than 2 and N0Are integers.
A wave beam control system of a phased array antenna with a large instantaneous bandwidth comprises the phased array antenna with the large instantaneous bandwidth and a wave controller, wherein the number of channels of the phased array antenna with the large instantaneous bandwidth is N0Each channel is internally provided with an antenna unit, a numerical control phase shifter and a numerical control delayer which are electrically connected in sequence, and the wave controller is used for controlling the numerical control delayer and the numerical control phase shifter of each channel; wherein a phased array antenna with a large instantaneous bandwidth refers to a phased array antenna with an instantaneous relative bandwidth of more than 10%, N0Not less than 2 and N0Are integers.
As a preferred technical solution, a plurality of antenna units form a two-dimensional array, the arrangement of the antenna units along the X-axis direction is defined as a row, the arrangement of the antenna units along the Y-axis direction is defined as a column, and the row spacing of the antenna units is the same.
As a preferred technical solution, the column pitches of the antenna units are the same.
As a preferred technical scheme, the maximum delay amount of the numerical control delayer of each channel.
As a preferred technical solution, the number of bits of the numerical control delay unit of each channel is the same, and/or the number of bits of the numerical control phase shifter of each channel is the same.
A wave beam control method of a phased array antenna with a large instantaneous bandwidth, which adopts the wave beam control system of the phased array antenna with the large instantaneous bandwidth, comprises the following steps:
s1, testing to obtain the actual delay value t of each state of each numerical control delayerm(s, n); wherein S represents the time delay state serial number of the numerical control delayer, and S belongs to [1, S ∈0]And S is an integer, S0The total number of the delay states of the numerical control delayer is shown, and the delay states of the numerical control delayer are sequentially marked as a delay state 1, a delay state 2, a delay state … and a delay state S0N represents the serial number of the channel number, N is equal to [1, N ∈0]And n is an integer.
S2, calculating the delay T (n) required by the nth channel according to the beam pointing direction of the phased array antenna with large instantaneous bandwidth;
s3, calculating the delay T (n) and the real delay value t needed by the nth channelmThe absolute value of the difference between (s, n) Δ T (s, n),
ΔT(s,n)＝|T(n)tm(s，n)|；
s4, calculating to obtain a control code value M of the corresponding numerical control delayer when the delta T (S, n) takes the minimum valueT(n)；
S5, using the delay T (n) and the real delay value t of the nth channelm(s, n), calculating to obtain the control code value M of the numerical control phase shifter of the nth channelP(n)；
S6, utilizing the wave controller to calculate the obtained MT(n) correspondingly sending the M to each channel numerical control delayer, and/or, obtaining M through calculationPAnd (n) correspondingly sending the signals to the numerical control phase shifters of all the channels to finish delay and/or phase shift control.
As a preferred technical solution, in step S2, the beam pointing of the phased array antenna is performed according to the large instantaneous bandwidth
Calculating the delay amount T (n) required by the nth channel:
wherein I represents a row number, I is a positive integer and I is e [1, I ∈0]，I0Representing the total number of rows of the antenna element array; k represents a column index, K is a positive integer and K ∈ [1, K ]0]，K0Representing the total number of columns of the antenna element array; dx represents the row pitch of the antenna element array, dy represents the column pitch of the antenna element array, and C represents the speed of light; theta0The pitch angle is expressed in terms of,
indicating the azimuth angle.
As a preferable technical solution, in step S4, for the nth channel, order
ΔTm(n)＝min(ΔT(s，n))，
When s is equal to j,
with Δ T (j, n) ═ Δ Tm(n)，
Calculating to obtain a control code value M of the numerical control delayer of the nth channelT(n)，
Wherein j represents the delay state serial number of the corresponding numerical control delayer when the delta T (S, n) takes the minimum value, j is a positive integer and belongs to [1, S ]0]。
As a preferable technical solution, in step S5,
where round () represents a rounded function, mod () represents a remainder function, f0The center frequency of the instantaneous bandwidth of the phased array antenna with large instantaneous bandwidth is shown, and dP represents the minimum stepping value of the numerical control phase shifter.
Compared with the prior art, the invention has the following beneficial effects:
the invention is based onThe actual measurement value of each state of the numerical control delayer of each channel and the beam pointing direction of the phased array antenna can obtain the control code of the numerical control delayer and the numerical control phase shifter of each channel; when f is satisfiedL≥B0And in the time of/2, the obtained control code can improve the beam pointing precision of the phased array antenna in the instantaneous bandwidth, simultaneously reduce the side lobe level and reduce the aperture transit time, thereby improving the beam performance of the broadband phased array antenna.
Drawings
Fig. 1 is a schematic structural diagram of a phased array antenna beam control system with a large instantaneous bandwidth according to the present invention;
FIG. 2 is a schematic view of beam pointing for a large instantaneous bandwidth phased array antenna;
FIG. 3 is a schematic diagram of compensation code values for each channel of a large instantaneous bandwidth phased array antenna;
fig. 4 is a schematic step diagram of a method for controlling a phased array antenna beam with a large instantaneous bandwidth according to the present invention.
Detailed Description
The present invention will be described in further detail with reference to examples and drawings, but the present invention is not limited to these examples.
Example 1
As shown in fig. 1 to 4, a beam control system of a large instantaneous bandwidth phased array antenna comprises a phased array antenna with a large instantaneous bandwidth and a wave controller, wherein the number of channels of the large instantaneous bandwidth phased array antenna is N0Each channel is internally provided with an antenna unit, a numerical control delayer and a numerical control phase shifter which are electrically connected in sequence, and the wave controller is used for controlling the numerical control delayer and the numerical control phase shifter of each channel; wherein a phased array antenna with a large instantaneous bandwidth refers to a phased array antenna with an instantaneous relative bandwidth of more than 10%, N0Not less than 2 and N0Are integers.
A wave beam control system of a phased array antenna with a large instantaneous bandwidth comprises the phased array antenna with the large instantaneous bandwidth and a wave controller, wherein the number of channels of the phased array antenna with the large instantaneous bandwidth is N0Each channel is internally provided with an antenna unit and a numerical control which are electrically connected in sequenceThe wave controller is used for controlling the numerical control delayers and the numerical control phase shifters of all channels; wherein a phased array antenna with a large instantaneous bandwidth refers to a phased array antenna with an instantaneous relative bandwidth of more than 10%, N0Not less than 2 and N0Are integers.
As a preferred technical solution, a plurality of antenna units form a two-dimensional array, the arrangement of the antenna units along the X-axis direction is defined as a row, the arrangement of the antenna units along the Y-axis direction is defined as a column, and the row spacing of the antenna units is the same.
As a preferred technical solution, the column pitches of the antenna units are the same.
As a preferred technical scheme, the maximum delay amount of the numerical control delayer of each channel.
As a preferred technical solution, the number of bits of the numerical control delay unit of each channel is the same, and/or the number of bits of the numerical control phase shifter of each channel is the same.
Example 2
As shown in fig. 1 to 4, as a further optimization of embodiment 1, this embodiment includes all the technical features of embodiment 1, and in addition, this embodiment further includes the following technical features:
a wave beam control method of a phased array antenna with a large instantaneous bandwidth, which adopts the wave beam control system of the phased array antenna with the large instantaneous bandwidth, comprises the following steps:
s1, testing to obtain the actual delay value t of each state of each numerical control delayerm(s, n); wherein S represents the time delay state serial number of the numerical control delayer, and S belongs to [1, S ∈0]And S is an integer, S0The total number of the delay states of the numerical control delayer is shown, and the delay states of the numerical control delayer are sequentially marked as a delay state 1, a delay state 2, a delay state … and a delay state S0N represents the serial number of the channel number, N is equal to [1, N ∈0]And n is an integer.
S2, calculating the delay T (n) required by the nth channel according to the beam pointing direction of the phased array antenna with large instantaneous bandwidth;
s3, calculating the delay T (n) and the actual delay of the nth channelDelay value tmThe absolute value of the difference between (s, n) Δ T (s, n),
ΔT(s,n)＝|T(n)tm(s，n)|；
s4, calculating to obtain a control code value M of the corresponding numerical control delayer when the delta T (S, n) takes the minimum valueT(n):
S5, using the delay T (n) and the real delay value t of the nth channelm(s, n), calculating to obtain the control code value M of the numerical control phase shifter of the nth channelP(n)；
S6, utilizing the wave controller to calculate the obtained MT(n) correspondingly sending the M to each channel numerical control delayer, and/or, obtaining M through calculationPAnd (n) correspondingly sending the signals to the numerical control phase shifters of all the channels to finish delay and/or phase shift control.
As a preferred technical solution, in step S2, the beam pointing of the phased array antenna is performed according to the large instantaneous bandwidth
Calculating the delay amount T (n) required by the nth channel:
wherein I represents a row number, I is a positive integer and I is e [1, I ∈0]，I0Representing the total number of rows of the antenna element array; k represents a column index, K is a positive integer and K ∈ [1, K ]0]，K0Representing the total number of columns of the antenna element array; dx represents the row pitch of the antenna element array, dy represents the column pitch of the antenna element array, and C represents the speed of light; theta0The pitch angle is expressed in terms of,
indicating the azimuth angle.
As a preferable technical solution, in step S4, for the nth channel, order
ΔTm(n)＝min(ΔT(s，n))，
When s is equal to j,
with Δ T (j, n) ═ Δ Tm(n)，
Calculating to obtain a control code value M of the numerical control delayer of the nth channelT(n)，
Wherein j represents the delay state serial number of the corresponding numerical control delayer when the delta T (S, n) takes the minimum value, j is a positive integer and belongs to [1, S ]0]。
As a preferable technical solution, in step S5,
where round () represents a rounded function, mod () represents a remainder function, f0The center frequency of the instantaneous bandwidth of the phased array antenna with large instantaneous bandwidth is shown, and dP represents the minimum stepping value of the numerical control phase shifter.
Example 3
As shown in fig. 1 to 4, this embodiment includes all the technical features of embodiment 1 and embodiment 2, and this embodiment provides a more detailed implementation manner on the basis of embodiment 1 and embodiment 2.
Aiming at the defects in the prior art, the invention provides a beam control system and a beam control method for a phased array antenna with large instantaneous bandwidth, and the control code of a numerical control delayer and a numerical control phase shifter is deduced according to the beam scanning angle of the phased array antenna and the delay error of each state of the numerical control delayer. Definition B0Is the instantaneous bandwidth, f, of the phased array antennaLIs the lower frequency of the instantaneous bandwidth, f0Is the center frequency of the instantaneous bandwidth, fHIs the upper frequency of the instantaneous bandwidth. When f is satisfiedL≥B0When the antenna is used for a broadband phased array antenna, the control code obtained by the method can improve the beam pointing accuracy in the instantaneous bandwidth of the phased array antenna, reduce the side lobe level and reduce the aperture transit time, thereby improving the beam performance of the broadband phased array antenna.
In specific implementation, the following steps can be adopted:
the first step is as follows: the total number of the known large instantaneous bandwidth phased array antenna channels is N0. Each channel of the phased array antenna comprises a numerical control delayer and a numerical control phase shifter, and the numerical control delayer and the numerical control phase shifter of each channel are controlled by a wave controller;
the second step is that: the digit design value of the known numerical control delayer is M, the delay stepping design value is dT, and the total delay state number S of the numerical control delayer is obtained0；S0＝2M；
The third step: given that the digit design value of the numerical control phase shifter is Q, the phase shift stepping design value is dP, and the total state number R of the numerical control phase shifter is obtained0；R0＝2Q；
The fourth step: testing to obtain the actual delay value t of each state of each numerical control delayerm(s, n); wherein, S is 1,20；n＝1,2,...,N0；
The fifth step: beam pointing from phased array antennas
Obtaining the delay quantity T (n) required by the nth channel:
wherein I represents a row number, I is a positive integer and I is e [1, I ∈0]，I0Representing the total number of rows; k represents a column index, K is a positive integer and K ∈ [1, K ]0]，K0Indicates the total number of columns; i is0Indicating the number of rows, K, of the antenna element array0The column number of the antenna unit array is represented; dx represents the row spacing of the antenna elements, dy represents the column spacing of the antenna elements, and C represents the speed of light; theta0The pitch angle is expressed in terms of,
indicating the azimuth angle.
Then n ═ k + (k-1) × I0。
And a sixth step: calculating to obtain the absolute value delta T (s, n) of the difference between the delay amount required by the nth channel and the actual delay value,
ΔT(s,n)＝|T(n)tm(s，n)|；
the seventh step: for the nth channel, let
ΔTm(n)＝min(ΔT(s，n))。
When s is equal to j,
with Δ T (j, n) ═ Δ Tm(n)，
Calculating to obtain the delay state M of the numerical control delayer of the nth channelT(n)，
Wherein j represents the state number sequence number of the corresponding numerical control delayer when the delta T (S, n) takes the minimum value, j is a positive integer and j belongs to [1, S ]0]，S0And the total number of delay states of the numerical control delay device is shown.
Eighth step: control code value M of numerical control phase shifter of nth channelP(n) is:
where round () represents a rounded function, mod () represents a remainder function, f0The center frequency of the instantaneous bandwidth of the phased array antenna with large instantaneous bandwidth is shown, and dP represents the stepping value of the numerical control phase shifter.
The ninth step: m obtained by calculation by using wave controllerT(n) correspondingly sending the M to each channel numerical control delayer, and/or, obtaining M through calculationPAnd (n) correspondingly sending the signals to the numerical control phase shifters of all the channels to finish time delay and phase shift control.
The invention has the advantages that: according to the actual measurement value of each state of the numerical control delayer of each channel and the beam direction of the phased array antenna, the control codes of the numerical control delayer and the numerical control phase shifter of each channel can be obtained. When f is satisfiedL≥B0And in the time of/2, the obtained control code can improve the beam pointing precision of the phased array antenna in the instantaneous bandwidth, simultaneously reduce the side lobe level and reduce the aperture transit time, thereby improving the beam performance of the broadband phased array antenna.
As described above, the present invention can be preferably realized.
All features disclosed in all embodiments in this specification, or all methods or process steps implicitly disclosed, may be combined and/or expanded, or substituted, in any way, except for mutually exclusive features and/or steps.
The foregoing is only a preferred embodiment of the present invention, and the present invention is not limited thereto in any way, and any simple modification, equivalent replacement and improvement made to the above embodiment within the spirit and principle of the present invention still fall within the protection scope of the present invention.
Claims (10)
1. The wave beam control system of the phased array antenna with the large instantaneous bandwidth is characterized by comprising the phased array antenna with the large instantaneous bandwidth and a wave controller, wherein the number of channels of the phased array antenna with the large instantaneous bandwidth is N0Each channel is internally provided with an antenna unit, a numerical control delayer and a numerical control phase shifter which are electrically connected in sequence, and the wave controller is used for controlling the numerical control delayer and the numerical control phase shifter of each channel; wherein a phased array antenna with a large instantaneous bandwidth refers to a phased array antenna with an instantaneous relative bandwidth of more than 10%, N0Not less than 2 and N0Are integers.
2. The wave beam control system of the phased array antenna with the large instantaneous bandwidth is characterized by comprising the phased array antenna with the large instantaneous bandwidth and a wave controller, wherein the number of channels of the phased array antenna with the large instantaneous bandwidth is N0Each channel is internally provided with an antenna unit, a numerical control phase shifter and a numerical control delayer which are electrically connected in sequence, and the wave controller is used for controlling the numerical control delayer and the numerical control phase shifter of each channel(ii) a Wherein a phased array antenna with a large instantaneous bandwidth refers to a phased array antenna with an instantaneous relative bandwidth of more than 10%, N0Not less than 2 and N0Are integers.
3. The system of claim 1 or 2, wherein the plurality of antenna elements form a two-dimensional array, the arrangement of the antenna elements along the X-axis is defined as rows, the arrangement of the antenna elements along the Y-axis is defined as columns, and the spacing between the rows of the antenna elements is the same.
4. A large instantaneous bandwidth phased array antenna beam steering system as claimed in claim 3, characterised in that the column spacing of the antenna elements is the same.
5. The phased array antenna beam steering system for large instantaneous bandwidth of claim 4, in which the maximum delay amount of the digitally controlled delays for each channel.
6. The system of claim 5, wherein the number of bits of the digitally controlled delays for each channel is the same, and/or the number of bits of the digitally controlled phase shifters for each channel is the same.
7. A method for controlling the wave beam of the phased array antenna with large instantaneous bandwidth, which is characterized in that the wave beam control system of the phased array antenna with large instantaneous bandwidth, which is claimed in claim 5 or 6, is adopted, and comprises the following steps:
s1, testing to obtain the actual delay value t of each state of each numerical control delayerm(s, n); wherein S represents the time delay state serial number of the numerical control delayer, and S belongs to [1, S ∈0]And S is an integer, S0The total number of the delay states of the numerical control delayer is shown, and the delay states of the numerical control delayer are sequentially marked as a delay state 1, a delay state 2, a delay state … and a delay state S0N represents the serial number of the channel number, N is equal to [1, N ∈0]And n is an integer.
S2, calculating the delay T (n) required by the nth channel according to the beam pointing direction of the phased array antenna with large instantaneous bandwidth;
s3, calculating the delay T (n) and the real delay value t needed by the nth channelmThe absolute value of the difference between (s, n) Δ T (s, n),
ΔT(s，n)＝|T(n)-tm(s，n)|；
s4, calculating to obtain a control code value M of the corresponding numerical control delayer when the delta T (S, n) takes the minimum valueT(n)；
S5, using the delay T (n) and the real delay value t of the nth channelm(s, n), calculating to obtain the control code value M of the numerical control phase shifter of the nth channelP(n)；
S6, utilizing the wave controller to calculate the obtained MT(n) correspondingly sending the M to each channel numerical control delayer, and/or, obtaining M through calculationPAnd (n) correspondingly sending the signals to the numerical control phase shifters of all the channels to finish delay and/or phase shift control.
8. The method as claimed in claim 7, wherein in step S2, the phased array antenna with large instantaneous bandwidth is controlled according to the beam pointing direction of the phased array antenna with large instantaneous bandwidth
Calculating the delay amount T (n) required by the nth channel:
wherein I represents a row number, I is a positive integer and I is e [1, I ∈0]，I0Representing the total number of rows of the antenna element array; k represents a column index, K is a positive integer and K ∈ [1, K ]0]，K0Representing the total number of columns of the antenna element array; dx represents the row pitch of the antenna element array, dy represents the column pitch of the antenna element array, and C represents the speed of light; theta0The pitch angle is expressed in terms of,
indicating the azimuth angle.
9. The method as claimed in claim 8, wherein in step S4, for the nth channel, let
ΔTm(n)＝min(ΔT(s，n))，
When s is equal to j,
with Δ T (j, n) ═ Δ Tm(n)，
Calculating to obtain a control code value M of the numerical control delayer of the nth channelT(n)，
Wherein j represents the delay state serial number of the corresponding numerical control delayer when the delta T (S, n) takes the minimum value, j is a positive integer and belongs to [1, S ]0]。
10. The method as claimed in claim 9, wherein in step S5,
where round () represents a rounded function, mod () represents a remainder function, f0The center frequency of the instantaneous bandwidth of the phased array antenna with large instantaneous bandwidth is shown, and dP represents the minimum stepping value of the numerical control phase shifter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210052097.5A CN114361796B (en) | 2022-01-18 | 2022-01-18 | Beam control method for phased array antenna with large instantaneous bandwidth |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210052097.5A CN114361796B (en) | 2022-01-18 | 2022-01-18 | Beam control method for phased array antenna with large instantaneous bandwidth |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114361796A true CN114361796A (en) | 2022-04-15 |
| CN114361796B CN114361796B (en) | 2023-07-21 |
Family
ID=81090669
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210052097.5A Active CN114361796B (en) | 2022-01-18 | 2022-01-18 | Beam control method for phased array antenna with large instantaneous bandwidth |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114361796B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114725682A (en) * | 2022-04-19 | 2022-07-08 | 广州程星通信科技有限公司 | Phased array beam pointing design method, system, device and storage medium |
| CN115101936A (en) * | 2022-07-11 | 2022-09-23 | 中国电子科技集团公司第五十四研究所 | Large phased array antenna beam control network |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5013979A (en) * | 1989-12-29 | 1991-05-07 | Texas Instrument Incorporated | Phased frequency steered antenna array |
| US6191735B1 (en) * | 1997-07-28 | 2001-02-20 | Itt Manufacturing Enterprises, Inc. | Time delay apparatus using monolithic microwave integrated circuit |
| CN103401072A (en) * | 2013-07-25 | 2013-11-20 | 上海交通大学 | Periodic amplitude control-based phased-array antenna system and wave beam control method |
| CN106252886A (en) * | 2016-08-29 | 2016-12-21 | 中国人民解放军火箭军工程大学 | The multiple submatrixes antenna beam changing method of minimum deviation is pointed to based on antenna beam |
| CN109586035A (en) * | 2018-10-16 | 2019-04-05 | 江苏万邦微电子有限公司 | A kind of phase array antenna beam control system |
| CN110493777A (en) * | 2019-08-30 | 2019-11-22 | 电子科技大学 | A kind of multiple target secret signalling based on four-dimensional antenna array |
| CN111464195A (en) * | 2020-04-08 | 2020-07-28 | 东莞信大融合创新研究院 | Ultra-short wave digital receiving system and method based on broadband beam forming |
| KR102200533B1 (en) * | 2020-01-29 | 2021-01-08 | 국방과학연구소 | Improved structure of multi-channel wideband active phased array antenna |
-
2022
- 2022-01-18 CN CN202210052097.5A patent/CN114361796B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5013979A (en) * | 1989-12-29 | 1991-05-07 | Texas Instrument Incorporated | Phased frequency steered antenna array |
| US6191735B1 (en) * | 1997-07-28 | 2001-02-20 | Itt Manufacturing Enterprises, Inc. | Time delay apparatus using monolithic microwave integrated circuit |
| CN103401072A (en) * | 2013-07-25 | 2013-11-20 | 上海交通大学 | Periodic amplitude control-based phased-array antenna system and wave beam control method |
| CN106252886A (en) * | 2016-08-29 | 2016-12-21 | 中国人民解放军火箭军工程大学 | The multiple submatrixes antenna beam changing method of minimum deviation is pointed to based on antenna beam |
| CN109586035A (en) * | 2018-10-16 | 2019-04-05 | 江苏万邦微电子有限公司 | A kind of phase array antenna beam control system |
| CN110493777A (en) * | 2019-08-30 | 2019-11-22 | 电子科技大学 | A kind of multiple target secret signalling based on four-dimensional antenna array |
| KR102200533B1 (en) * | 2020-01-29 | 2021-01-08 | 국방과학연구소 | Improved structure of multi-channel wideband active phased array antenna |
| CN111464195A (en) * | 2020-04-08 | 2020-07-28 | 东莞信大融合创新研究院 | Ultra-short wave digital receiving system and method based on broadband beam forming |
Non-Patent Citations (1)
| Title |
|---|
| 黄志强: "有源相控阵天线瞬时宽带性能改善研究", 《微波学报》, vol. 36, no. 6 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114725682A (en) * | 2022-04-19 | 2022-07-08 | 广州程星通信科技有限公司 | Phased array beam pointing design method, system, device and storage medium |
| CN115101936A (en) * | 2022-07-11 | 2022-09-23 | 中国电子科技集团公司第五十四研究所 | Large phased array antenna beam control network |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114361796B (en) | 2023-07-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN114361796A (en) | Large instantaneous bandwidth phased array antenna beam control system and method | |
| CA1223342A (en) | Phased array antennas with binary phase shifters | |
| US4188633A (en) | Phased array antenna with reduced phase quantization errors | |
| CN113014294B (en) | Two-dimensional phased array microwave front end calibration network and method | |
| CN115101936B (en) | Beam control network for large phased array antenna | |
| CN115021833A (en) | Phased array antenna array element channel consistency multi-mode parallel processing calibration method | |
| CN113630158A (en) | Antenna selection method for transmitting multimode multiplexing signals through uniform area array | |
| CN113823921A (en) | Large array plane phased array antenna system and calibration method thereof | |
| US3680109A (en) | Phased array | |
| CN112072309B (en) | Step-compensation low-cost phased array antenna framework and design method thereof | |
| US4191960A (en) | Phased array antenna with reduced phase quantization error | |
| CN115000704B (en) | Hierarchical calculation two-dimensional phased array beam control method and system | |
| US11217897B1 (en) | Antenna system and method with a hybrid beamformer architecture | |
| CN117579108A (en) | Low-complexity broadband receiving digital beam former | |
| CN116772838A (en) | Inertial navigation error compensation method for mechanical phased array antenna | |
| CN116626625A (en) | Micro-deformation measuring method for large curved antenna | |
| CN111934737B (en) | Time delay compensation method of broadband digital array | |
| CN111463575A (en) | Amplitude-phase error self-correction device and method based on uniform rectangular planar array | |
| CN117491751B (en) | Array pattern calibration algorithm of digital active phased array | |
| US6744405B2 (en) | Method for reconstructing the gain/phase diagram of a transmit/receive module of a phased array antenna | |
| CN1479953A (en) | Base station, base station module dand method for estimating parmeters of uplink signals | |
| CN220368128U (en) | Ku frequency band delay line module | |
| CN117155487B (en) | Beam control code sequence calibration algorithm simulating active phased array | |
| CN104199005A (en) | Distributed meter wave array radar optimum base length determination method | |
| CN116191025A (en) | Phase open loop hierarchical phase shift beam forming method |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |