CN105977584A - Double-ridge loading E surface insert waveguide filter and generalized scattering matrix calculation method - Google Patents
Double-ridge loading E surface insert waveguide filter and generalized scattering matrix calculation method Download PDFInfo
- Publication number
- CN105977584A CN105977584A CN201610395353.5A CN201610395353A CN105977584A CN 105977584 A CN105977584 A CN 105977584A CN 201610395353 A CN201610395353 A CN 201610395353A CN 105977584 A CN105977584 A CN 105977584A
- Authority
- CN
- China
- Prior art keywords
- waveguide
- double
- scattering matrix
- inserted sheet
- filter
- 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
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P1/00—Auxiliary devices
- H01P1/20—Frequency-selective devices, e.g. filters
Landscapes
- Control Of Motors That Do Not Use Commutators (AREA)
Abstract
The invention discloses a double-ridge loading E surface insert waveguide filter and a generalized scattering matrix calculation method. The double-ridge loading E surface insert waveguide filter comprises a rectangular waveguide, an E surface insert and ridge sheets; the E surface insert is positioned inside the rectangle waveguide to form an E surface waveguide filter; and the ridge sheets are arranged longitudinal symmetrically between the E surface inserts at equal intervals. The generalized scattering matrix calculation method comprises steps of solving an E surface insert unit generalized scattering matrix SE and a rectangular waveguide-double ridge waveguide unit generalized scattering matrix SJ, solving the E surface insert unit generalized scattering matrix S loaded with double ridges according to S parameter network cascade to obtain a normalized S matrix and obtain a frequency respond characteristics of a filter. The double-ridge loading E surface insert waveguide filter has advantages of quick external attenuation and small size, and satisfies requirements for small size on high isolation on a waveguide member by a modern millimeter wave communication system.
Description
Technical field
The present invention relates to a kind of E face waveguide filter structure, be specifically related to a kind of double ridges based on pattern matching method and load E
Face inserted sheet waveguide filter and the determination method of S parameter thereof, belong to microwave passive component technical field.
Background technology
E face metal insert waveguide filter since being proposed for 1974 by Konishi, through long-run development, it has also become one
Plant widely used filter form.Its prominent advantage is high q-factor, simple in construction, volume is little, it is low to be lost, it is raw to be prone to batch
Produce.Lot of domestic and international scholar utilizes high-precision pattern matching method to be studied E face waveguide filter, and develops phase
The CAD software closed.In actual applications, traditional E face inserted sheet waveguide filter attenuation outside a channel is slow, needs to increase exponent number and can be only achieved
Required Out-of-band rejection degree, so size just increases a lot, limits the application in a lot of occasions of the E face wave filter, especially
It is unfavorable for the Miniaturization Design of millimeter-wave communication system.
Summary of the invention
In view of this, the invention provides a kind of double ridge and load E face inserted sheet waveguide filter and generalized scattering matrix meter thereof
Calculation method, double ridges load E face waveguide filter and have the advantages that attenuation outside a channel is fast, size is little, it is possible to meet modern millimeter wave and lead to
Communication system is to waveguide device miniaturization and the demand of high isolation.
A kind of double ridge loads E face inserted sheet waveguide filter, including rectangular waveguide, E face inserted sheet and JIPIAN, described E face inserted sheet
Be positioned at rectangular waveguide and be internally formed E face waveguide filter, described JIPIAN equidistant and laterally zygomorphic be arranged in E face inserted sheet it
Between.
A kind of pair of ridge loads the computational methods of E face inserted sheet waveguide filter generalized scattering matrix, and its calculation procedure is as follows:
The first step: obtain E face inserted sheet unit generalized scattering matrix SE；
Second step: obtain rectangular waveguide-double ridged waveguide unit generalized scattering matrix SJ；
3rd step: obtain the E face inserted sheet unit generalized scattering matrix S loading double ridges according to S parameter cascade, returned
One changes s-matrix, has the most just obtained the frequency response characteristic of wave filter.
Further, in described second step, calculate ridge waveguide cut-off wave number k initially with pattern matching methodc, then basis
Cut-off wave number kcSolve double ridged waveguide unit generalized scattering matrix.
Beneficial effect:
(1) present invention adds the double ridged waveguide of equidistantly arrangement in the half-wave resonator of E face waveguide filter, is formed
New waveguide resonator, improves the outer steepness of band, improves performance of filter.
(2) present invention adds the double ridged waveguide of equidistantly arrangement in the half-wave resonator of E face waveguide filter, from knot
The volume of wave filter is reduced, it is achieved the Miniaturization Design of equipment on structure.
(3) the wave filter S parameter loading double ridge is carried out comprehensively by Land use models matching method of the present invention, obtain normalized extensively
Justice collision matrix.
Accompanying drawing explanation
Fig. 1 is the structural representation that the double ridge of the present invention loads E face inserted sheet waveguide filter；
Fig. 2 is the E face inserted sheet filter cell structural representation that the present invention loads double ridge；
Fig. 3 is E face of the present invention inserted sheet model of element schematic diagram；
Fig. 4 is rectangular waveguide of the present invention-double ridged waveguide model of element schematic diagram.
Wherein, 1-rectangular waveguide, 2-E face inserted sheet, 3-JIPIAN.
Detailed description of the invention
Develop simultaneously embodiment below in conjunction with the accompanying drawings, describes the present invention.
As shown in Figure 1, the invention provides a kind of double ridge and load E face inserted sheet waveguide filter, this wave filter includes square
Shape waveguide 1, E face inserted sheet 2 and JIPIAN 3, set up xyz coordinate system on this wave filter, and E face inserted sheet 2 is positioned at the internal shape of rectangular waveguide
Become E face waveguide filter, the E face inserted sheet 2 z along coordinate system to distribution, multiple JIPIAN 3 are equally spaced be arranged in E face inserted sheet 2 it
Between, the JIPIAN 3 the most also z along coordinate system is to being distributed and at y to symmetrical above and below.
Present invention also offers a kind of pair of ridge and load the computational methods of E face inserted sheet waveguide filter generalized scattering matrix, as
Shown in accompanying drawing 2, utilize the symmetry of structure, the E face inserted sheet filter cell structure loading double ridge is divided into two unit, i.e. E
Face inserted sheet model and rectangular waveguide-double ridged waveguide model,
The first step: obtain E face inserted sheet unit generalized scattering matrix SE；
As shown in Figure 3, for E face inserted sheet unit, owing to being continuous print on y direction, discontinuity in x direction, so
By TE10During mould excitation, only can encourage TE at discontinuous placem0Pattern；The electric field component of region I, II, III is:
HXComponent can be multiplied by waveguide admittance respectively by (1) formulaObtain
Boundary condition is met at discontinuous place:
Use orthogonality of trigonometric function, through matrix operations, E face inserted sheet unit generalized scattering matrix S can be obtainedEFor
Wherein
Second step: rectangular waveguide-double ridged waveguide unit generalized scattering matrix SJ；
Pattern matching method is used to calculate ridge waveguide cut-off wave number kc, TE mould to double ridged waveguide in accompanying drawing 4, application's
Equivalent magnetic wall, the z-component of the electric vector potential of region I, II is
Wherein
At x=a1Place, Ey、HzContinuously, i.e.
Formula (5) is substituted into formula (6), then at interval y ∈ (b1,b1+ s) on to y integration, carry out Fourier transformation, finally will
Equation blocks, abbreviation, available about cut-off wave number kcCharacteristic equation
Wherein E is unit matrix,
TM mould to double ridged waveguide, available similar method is tried to achieve characteristic equation and is
Wherein
Solve characteristic equation, k can be obtainedc。
According to the I district above obtained and the TE mould in II district and the electricity of TM mould, magnetic vector potential, transverse electric and magnetic field expression formula is
For rectangular waveguide-double ridged waveguide unit, according at x=a1Separating surface on, (II divides into IIa for I district and II district
And IIb) electric field and the tangential component in magnetic field respectively the most equal, the rectangular waveguide on discontinuity surface-double ridged waveguide unit can be obtained
Generalized scattering matrix SJ:
Wherein U is unit matrix, and M is coefficient of coup matrix, and the matrix element coefficient of coup is respectively
Nhe=0 (11b)
3rd step: application S parameter cascade technology, by double ridged waveguide unit generalized scattering matrix SJ, E face inserted sheet unit
Matrix SEBring into, try to achieve the single pair of ridge load E face inserted sheet Wave guide unit generalized scattering matrix S:
S=[SE][SJ]
In sum, these are only presently preferred embodiments of the present invention, be not intended to limit protection scope of the present invention.
All within the spirit and principles in the present invention, any modification, equivalent substitution and improvement etc. made, should be included in the present invention's
Within protection domain.
Claims (3)
1. pair ridge loads E face inserted sheet waveguide filter, and including rectangular waveguide and E face inserted sheet, described E face inserted sheet is positioned at rectangular waveguide
Being internally formed E face waveguide filter, it is characterised in that also include JIPIAN, described JIPIAN is equidistant and laterally zygomorphic is arranged in E
Between the inserted sheet of face.
2. the most double ridges load computational methods for E face inserted sheet waveguide filter generalized scattering matrix, and it is special
Levying and be, calculation procedure is as follows:
The first step: obtain E face inserted sheet unit generalized scattering matrix SE；
Second step: obtain rectangular waveguide-double ridged waveguide unit generalized scattering matrix SJ；
3rd step: obtain the E face inserted sheet unit generalized scattering matrix S loading double ridges according to S parameter cascade, obtain normalization
S-matrix, has the most just obtained the frequency response characteristic of wave filter.
3. ridges as claimed in claim 2 double load the computational methods of E faces inserted sheet waveguide filter generalized scattering matrix, and described the
In two steps, calculate ridge waveguide cut-off wave number k initially with pattern matching methodc, then according to cut-off wave number kcSolve double ridged waveguide list
Unit's generalized scattering matrix.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610395353.5A CN105977584A (en) | 2016-06-06 | 2016-06-06 | Double-ridge loading E surface insert waveguide filter and generalized scattering matrix calculation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610395353.5A CN105977584A (en) | 2016-06-06 | 2016-06-06 | Double-ridge loading E surface insert waveguide filter and generalized scattering matrix calculation method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105977584A true CN105977584A (en) | 2016-09-28 |
Family
ID=57010190
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610395353.5A Pending CN105977584A (en) | 2016-06-06 | 2016-06-06 | Double-ridge loading E surface insert waveguide filter and generalized scattering matrix calculation method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105977584A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107331924A (en) * | 2016-11-25 | 2017-11-07 | 成都银丰信禾电子科技有限公司 | Waveguide type filter |
| CN107359390A (en) * | 2017-03-07 | 2017-11-17 | 成都银丰信禾电子科技有限公司 | 6 ~ 18GHz waveguide type filters |
| CN107863240A (en) * | 2017-10-30 | 2018-03-30 | 清华大学 | A kind of high q-factor low-loss parallel-plate inductance based on waveguide Meta Materials concept |
| CN108565533A (en) * | 2018-01-09 | 2018-09-21 | 电子科技大学 | A kind of magnetic tuning method of generalized chebyshev SIW filters |
| CN111123187A (en) * | 2020-01-21 | 2020-05-08 | 中北大学 | Magneto-resistive chip calibration test system and method based on double ridge waveguides |
| CN118054176A (en) * | 2024-02-02 | 2024-05-17 | 南通大学 | Balanced band-pass filter based on double-ridge waveguide |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04150601A (en) * | 1990-10-15 | 1992-05-25 | Mitsubishi Electric Corp | Waveguide directional coupler |
| US20040206012A1 (en) * | 2003-04-17 | 2004-10-21 | Joseph Pressutti | Front fold ridge cover and method of making |
| CN102569979A (en) * | 2011-11-25 | 2012-07-11 | 中国船舶重工集团公司第七二四研究所 | Design and implementation method of high-suppression low-input-standing-wave harmonic suppression filter |
| CN103048715A (en) * | 2013-01-04 | 2013-04-17 | 南京邮电大学 | Planar sub-wavelength aperiodic high-contrast grating and preparation method thereof |
| US20140044393A1 (en) * | 2012-08-08 | 2014-02-13 | The University Of Texas System Board Of Regents | Spectrally dense comb-like filters fashioned with thick-guided-mode resonant gratings |
-
2016
- 2016-06-06 CN CN201610395353.5A patent/CN105977584A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04150601A (en) * | 1990-10-15 | 1992-05-25 | Mitsubishi Electric Corp | Waveguide directional coupler |
| US20040206012A1 (en) * | 2003-04-17 | 2004-10-21 | Joseph Pressutti | Front fold ridge cover and method of making |
| CN102569979A (en) * | 2011-11-25 | 2012-07-11 | 中国船舶重工集团公司第七二四研究所 | Design and implementation method of high-suppression low-input-standing-wave harmonic suppression filter |
| US20140044393A1 (en) * | 2012-08-08 | 2014-02-13 | The University Of Texas System Board Of Regents | Spectrally dense comb-like filters fashioned with thick-guided-mode resonant gratings |
| CN103048715A (en) * | 2013-01-04 | 2013-04-17 | 南京邮电大学 | Planar sub-wavelength aperiodic high-contrast grating and preparation method thereof |
Non-Patent Citations (2)
| Title |
|---|
| G. GOUSSETIS ETC.: "Novel periodically loaded E-plane filters", 《IEEE MICROWAVE AND WIRELESS COMPONENTS LETTERS》 * |
| 吴卫涛 等.: "加载周期性脊波导的E面滤波器", 《2009年全国微波毫米波会议论文集（上册）》 * |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107331924A (en) * | 2016-11-25 | 2017-11-07 | 成都银丰信禾电子科技有限公司 | Waveguide type filter |
| CN107331924B (en) * | 2016-11-25 | 2020-09-01 | 成都恪赛科技有限公司 | Waveguide type filter |
| CN107359390A (en) * | 2017-03-07 | 2017-11-17 | 成都银丰信禾电子科技有限公司 | 6 ~ 18GHz waveguide type filters |
| CN107359390B (en) * | 2017-03-07 | 2020-07-31 | 成都恪赛科技有限公司 | 6-18GHz waveguide type filter |
| CN107863240A (en) * | 2017-10-30 | 2018-03-30 | 清华大学 | A kind of high q-factor low-loss parallel-plate inductance based on waveguide Meta Materials concept |
| CN108565533A (en) * | 2018-01-09 | 2018-09-21 | 电子科技大学 | A kind of magnetic tuning method of generalized chebyshev SIW filters |
| CN111123187A (en) * | 2020-01-21 | 2020-05-08 | 中北大学 | Magneto-resistive chip calibration test system and method based on double ridge waveguides |
| CN118054176A (en) * | 2024-02-02 | 2024-05-17 | 南通大学 | Balanced band-pass filter based on double-ridge waveguide |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105977584A (en) | Double-ridge loading E surface insert waveguide filter and generalized scattering matrix calculation method | |
| Caballero et al. | Efficient analysis of substrate integrated waveguide devices using hybrid mode matching between cylindrical and guided modes | |
| CN106295038A (en) | A kind of active frequencies selects surface method for designing | |
| Hayati et al. | Miniaturized Wilkinson power divider with nth harmonic suppression using front coupled tapered CMRC | |
| Heh et al. | Unconditionally stable multiple one-dimensional ADI-FDTD method for coupled transmission lines | |
| Zhang et al. | Tri‐band filtering power divider based on multi‐mode fork‐type resonator for performance enhancement | |
| Mira et al. | On the fast and rigorous analysis of compensated waveguide junctions using off-centered partial-height metallic posts | |
| Liu et al. | Equivalent circuit model of crosstalk reduction parallel transmission lines with defected microstrip structures | |
| Zemlyakov | The Band-pass SIW-filter Based on L-ridged Rectangular Waveguide. | |
| Zemlyakov et al. | The compact waveguide filters with complex aperture resonant diaphragms | |
| Caballero et al. | CAD technique for designing H-plane waveguide filters considering rounded corners | |
| Stošić et al. | Stochastic signal propagation in five-section wideband branch-line hybrid | |
| Alhargan et al. | Circular and annular sector planar components of arbitrary angle for n-way power dividers/combiners | |
| Mira et al. | Fast and accurate analysis and design of substrate integrated waveguide (SIW) filters | |
| San Blas et al. | Design of compensated multiport waveguide junctions considering mechanization effects | |
| Arnedo et al. | Passive microwave component design using inverse scattering: theory and applications | |
| Yu‐Bo et al. | Frequency characteristics of electromagnetic bandgap structure with bow‐tie cells and its optimal design based on particle swarm optimization | |
| Bachiller et al. | Hybrid mode matching method for the efficient analysis of rods in waveguided structures | |
| CN106599369B (en) | A kind of calculation method of multimutation structure arbitrary section complex power | |
| Chen et al. | Highly efficient method to calculate S‐parameters of microwave filter and duplexer from coupling matrix | |
| CN103412984B (en) | Power feed method during electromagnetic simulation of regular waveguide port microwave part | |
| Nesterenko et al. | Scattering of electromagnetic waves by a multi-element system of pass-through resonators in a rectangular waveguide | |
| Park et al. | Analysis of arbitrary shaped crosssectional discontinuity in rectangular waveguides using FEM-BIM with triangular prism elements | |
| Eberspächer et al. | Bloch mode analysis by even-odd-mode simulations | |
| Liao et al. | EM Modeling of Substrate Integrated Waveguide Using a Fast Frequency Sweep Approach |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160928 |
|
| WD01 | Invention patent application deemed withdrawn after publication |