CN104465276B - Compact axially exports the relativistic magnetron of TE11 pattern - Google Patents
Compact axially exports the relativistic magnetron of TE11 pattern Download PDFInfo
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Abstract
The invention belongs to the microwave source technical field in High-Power Microwave technology, it is purer to be specifically related to a kind of microwave mode that can make axially to export, the overall compact relativistic magnetron with round TE11 output mode of whole system.For the problem that the most axially output relativistic magnetron needs purer single output mode, it is difficult to meet densification with existing axial output relativistic magnetron, the problem of the demand of the aspects such as miniaturization, propose a kind of novel relativistic magnetron, this magnetron is by coaxial input structure, cavity resonator structure, axially export changeover portion, circular output waveguide and externally-applied magnetic field system composition, by the improvement to anode of magnetron structure, axially export the design of changeover portion, the design of rectangle output waveguide and the design of externally-applied magnetic field system, it is possible not only to the most axially export purer round TE11 modes microwave, and so that whole system more densification, miniaturization.
Description
Technical field
The invention belongs to the microwave source technical field in High-Power Microwave technology, be specifically related to a kind of can make axially to export
Microwave mode is purer, the overall compact relativistic magnetron with round TE11 output mode of whole system.
Background technology
The authoritative sources James Benford in U.S.'s High-Power Microwave field is from the High Power Microwave System of development of practical type
Angle is set out, it is indicated that four developing direction of following high-power microwave source: (1) reduces system dimension and weight comprehensively, improves
Power dissipation ratio；(2) high repetition frequency work；(3) frequency-tunable；(4) long-life.In order to meet sending out of following high-power microwave source
Exhibition application demand, develops practical high-power microwave source, has simple in construction, and efficiency is high, frequency-adjustable, is suitable for long pulse
With one of relativistic magnetron objects having become the extensive research of people of feature such as high repetition frequency operation.Compare radially
For output relativistic magnetron, the overall compact axial output relativistic magnetron of structure is reducing system dimension and weight comprehensively
Amount aspect has bigger advantage, thus becomes a big focus of recent research.
1 state of development axially exporting relativistic magnetron
2006, University of New Mexico of U.S. professor M.I.Fuks et al. was by adjusting the axial output port of A6 magnetron
It is transitioned into number 2,3 and 6 of subtended angle groove structure of circular cone output loudspeaker, simulated implementation magnetron difference radiation mode
The axial output of TE11, TE01 and TE31.Under the working condition of 700kV and 0.6T, this magnetron is operated in π pattern, work
Electric current is at about 10kA, and operating frequency is 2.18GHz, output about 600MW [M.I.Fuks, N.F.Kovalev,
A.D.Andreev,and E.Schamiloglu.Mode conversion in a magnetron with axial
extraction of radiation[J].IEEE Trans.Plasma Sci.,vol.34,no.3,p.620,
Jun.2006.】。
2007, Japan Changgong technology university M.Daimon et al. carried on the Research foundation of E.Schamiloglu et al.
Go out a kind of improved structure axially exports relativistic magnetron [M.Daimon, W.Jiang.Modified
configuration of relativistic magnetron with diffraction output for
efficiency improvement[J].Appl.Phys.Lett,2007,91(19):191503.】.This magnetron passes through
Axially the transition structure of output increases angle variables Ф0So that magnetron power conversion efficiency is increased dramatically, mould
Intending obtaining operating frequency is 2.5GHz, and output is 1.05GW, and power conversion efficiency is 37%, and radiation mode is the knot of TE31
Really.2008, they the most also demonstrate improved structure be conducive to output raising [M.Daimon, K.Itoh,
W.Jiang.Experimental demonstration of relativistic magnetron with modified
output configuration[J].Appl.Phys.Lett.,2008,92(19):191504.】。
2009, China National University of Defense technology doctor Li Wei et al. was for axially output relativistic magnetron radiation TE11 mould
Formula weak effect, inefficient situation, propose a kind of insertion in the symmetrical subtended angle groove of axial export structure and have certain size knot
The heavy duty detergent structure of the changeover portion of structure, the most preferably achieves the microwave radiation of TE11 pattern, improves again power efficiency, particle
In simulation, operating frequency is 2.36GHz, and output is 4.2GW, and efficiency is up to 43%[W.Li and Y.-G.Liu.An
efficient mode conversion configuration in relativistic magnetron with axial
diffraction output[J].J.Appl.Phys.,vol.106,no.5,pp.053303–055305,Sep.2009.】。
2013, they the most also demonstrated heavy duty detergent structure and are conducive to improvement [Wei Li, the Yong-gui of output characteristics
Liu,Jun Zhang,Di-fu Shi,and Wei-qi Zhang.Experimental investigations on the
relations between configurations and radiation patterns of a relativistic
magnetron with diffraction output[J].J.Appl.Phys.,vol.113,no.2,pp.023304-1–
023304-4,Jan.2013.】。
Although the axially output relativistic magnetron reported at present is in terms of output mode characteristic and power conversion efficiency
Have greatly improved, but whole system structure still has deficiency in terms of densification and miniaturization.
The state of development of 2 compact relativistic magnetrons
2011, China National University of Defense technology doctor Li Wei et al. was in axially output relativistic magnetron interaction region
The problem of electron beam long-distance axial drift, it is proposed that a kind of modified model externally-applied magnetic field structure [W.Li and
Y.G.Liu.Modified magnetic field distribution in relativistic magnetron with
diffraction output for compact operation[J].Phys.Plasmas,vol.18,no.2,
pp.023103-1–023103-4,Feb.2011.】.This magnetic field structure is by loading one group of axial magnetic in output circular waveguide front end
The solenoid that field is reverse with magnetron interaction region axial magnetic field so that axially drift electron bundle is beaten quickly and axially exported knot
On structure, not only increase power conversion efficiency, and reduce the axial dimension of axial export structure.2012, they were in reality
Demonstrate this externally-applied magnetic field structure and improving efficiency, reduce effect [Wei Li, Yong-gui in terms of physical dimension
Liu,Ting Shu,Han-wu Yang,Yu-wei Fan,Cheng-wei Yuan,and Jun Zhang.Experimental
demonstration of a compact high efficient relativistic magnetron with
directly axial radiation[J].Phys.Plasmas,vol.19,no.1,pp.013105-1–013105-4,
Jan.2012.】。
2012, University of New Mexico of U.S. doctor C.Leach et al. was direct by the axial output port at magnetron
Connect an output circular waveguide identical with magnetron radius size, have studied in magnetron different number of output cavity to output
The impact of characteristic.Particle simulation shows that this novel axial export structure makes whole system structure in the axial direction and the most more
Densification and miniaturization, so that electron beams drift distance is shorter, externally-applied magnetic field system is more compact, output mode TE11
Purer.The most optimized this magnetron operating frequency of structure is 2.44GHz, and output is 520MW, and power conversion efficiency exists
About 14% [C.Leach, S.Prasad, M.Fuks, and E.Schamiloglu.Compact relativistic
magnetron with Gaussian radiation pattern[J].IEEE Trans.Plasma Sci.,vol.40,
no.11,pp.3116–3120,Nov.2012.】。
2012, New Mexico Air Force Research Laboratory Brad W.Hoff et al. proposed a kind of full chamber and extracts
The relativistic magnetron of structure, extracts structure and uses Radial Coupling hole to couple output, the compacter [Brad of structure with fan-shaped waveguide
W.Hoff,Andrew D.Greenwood,Peter J.Mardahl,and Michael D.Haworth.All Cavity-
Magnetron Axial Extraction Technique[J].IEEE Trans.Plasma Sci.,vol.40,no.11,
pp.3046–3051,Nov.2012.】.2014, BeiJing, China's Applied Physics and computational mathematics institute Yang Yu woods et al. were at this
On the basis of combine transparent cathode technology, have studied a kind of full chamber and extract structured transparent negative electrode relativistic magnetron.Utilize particle
Simulation is at 1.375GHz, it is thus achieved that the power output of TEM mode 2.98GW, efficiency reaches 54%[Yang Yu woods, Dong Zhiwei, Wang Dong.
Extraction magnetic field, the Theory of Relativity full chamber pipe theory analysis and numerical simulation [J]. microwave journal, volume 2014,30 (supplementary issue): 402-
404】。
At present, although in the world the research work of axially output relativistic magnetron being realized different output mode, carry
The aspects such as high power conversion efficiency, reduction system dimension and weight, and raising output mode purity achieve greater advance, but
It is that whole system is more compact about simultaneously output mode being made purer, and the higher axially output of power conversion efficiency is relatively
The report of opinion magnetron is the most rare, therefore, has important for having the research of the relativistic magnetron of above feature simultaneously
Value.
Summary of the invention
The technical problem to be solved in the present invention is to need purer list for the most axially output relativistic magnetron
The problem of one output mode, and existing axial output relativistic magnetron is difficult to meet the demand of the aspect such as densification, miniaturization
Problem, it is proposed that a kind of novel relativistic magnetron, this magnetron is by the improvement of anode of magnetron structure, axially export
The design of changeover portion, the design of circular output waveguide and the design of externally-applied magnetic field system, be possible not only to the most axially output relatively
For pure round TE11 modes microwave, and so that whole system more densification, miniaturization.
The technical solution adopted for the present invention to solve the technical problems is:
Compact axially exports the relativistic magnetron of TE11 pattern, by coaxial input structure, cavity resonator structure, the most defeated
Go out changeover portion, circular output waveguide and externally-applied magnetic field system composition.For convenience, in definition Fig. 1, Z-direction is axially, R
Direction of principal axis is radially.The coaxial axial external cavity resonator structure of input structure, the axial external axial output changeover portion of cavity resonator structure,
The axially axial external circular output waveguide of output changeover portion, externally-applied magnetic field system is arranged on coaxial input structure, cavity resonator structure
With axially export the surrounding cylindrical area of space of changeover portion, and their longitudinal center line all overlaps.
Described coaxial input structure, is made up of coaxial urceolus and negative electrode connecting rod.The axle of negative electrode connecting rod and coaxial urceolus
Overlap to centrage.Coaxial urceolus internal diameter is Roi, external diameter is Ro, negative electrode connecting rod radius is Ri, under meeting between above-mentioned parameter
State relation: 0 < Ri<Roi<Ro。
Described cavity resonator structure, by have 2 (2N+1) individual chamber typical magnetron cavity resonator structure (wherein N=1,2,3,
4,5) and magnetron Anodic block improved structure composition.The described typical magnetron resonator cavity with 2 (2N+1) individual chamber
Structure is made up of magnetron urceolus, anode and negative electrode.Described magnetron urceolus axle is outwards connected on the end of coaxial input structure, its
Internal diameter is Rv, the external diameter R of external diameter and coaxial urceolusoEqual, axial length is Ho.Described anode is individual along outside magnetron by 2 (2N+1)
The anode block of the cylinder angular period profile of inwall circumference is constituted, and its radius is Ra, axial length is Ha, and anode end face and magnetic control
Pipe urceolus terminal surface is concordant.Chamber between each anode block constitutes resonator cavity, and the angular width of each resonator cavity is θ.Described the moon
Pole is axially fixed in the end of negative electrode connecting rod in described coaxial input structure, is positioned on the longitudinal center line of magnetron urceolus,
Its radius is Rc, axial length is Hc.The slippery inner surface that improved structure the is each anode block institute of described magnetron Anodic block
The groove having or raised structures.Wherein, described groove or raised structures are angularly alternately distributed at each sun along magnetron circumference
On the block inner surface of pole, the angular centrage of groove or projection all overlaps with the angular centrage of place anode block, each groove
Radial depth is Δ Rr, angular width is θr, the radial depth of each projection is Δ Rp, angular width is θp, groove
Or the axial length of projection all with the axial length H of anode blockaEqual, meet following relation between above-mentioned parameter: 0 < Rc<Ra<Rv
<Ro, 0 < Δ Rr<Rv-Ra, 0 < Δ Rp<Ra-Rc, 0 < θr< 180 °/(2N+1)-θ, 0 < θp< 180 °/(2N+1)-θ, 0 < Ha<Ho, Ho-Ha
<Hc。
Described axial output changeover portion, is formed, wherein with axially output changeover portion back segment by axially exporting changeover portion leading portion
Axially the axial length of output changeover portion leading portion is Hc1, axially the axial length of output changeover portion back segment is Hc2.Divide the most defeated
Going out changeover portion leading portion with the cross section of axially output changeover portion back segment is axial output changeover portion boundary cross section.For the side of description
Just, below by by the description of the axially vacuum section of output changeover portion being described the knot within axial output changeover portion urceolus
Structure.
Described axial output changeover portion leading portion, by axially exporting changeover portion leading portion urceolus and axially exporting outside changeover portion leading portion
Structure composition within Tong.Described axial output changeover portion leading portion urceolus, by the end port anchor ring (anchor ring of magnetron urceolus
Internal diameter be Rv, external diameter is Ro), (internal diameter of anchor ring is R with the anchor ring on axially output changeover portion boundary cross sectionv1, outward
Footpath is Ro1The linear gradient changeover portion formed between) is constituted.Structure within described axial output changeover portion leading portion urceolus, it is true
Empty part is by interaction region axial transitions section leading portion, independent output cavity axial transitions section leading portion and synthesis output cavity axial transitions section
Leading portion forms.Described interaction region axial transitions section leading portion, by port cross-sectional disc (the disc radius of the interaction region of magnetron
For Ra) (disc radius is R with the disc on axially output changeover portion boundary cross sectiona1The linear gradient changeover portion formed between)
Constitute.Choose in magnetron one group angularly relative to two resonator cavitys, by its named independent output cavity, and by other resonator cavitys
Named synthesis output cavity.Described independent output cavity axial transitions section leading portion, by the port cross-sectional face of independent output cavity with axial
(bond length of class rectangular surfaces is W to independent class rectangular surfaces on output changeover portion boundary cross sectionone1, with longitudinal center line phase
Away from Rone1, long edge lengths is Rv1-Rone1The linear gradient changeover portion formed between) is constituted.Described synthesis output cavity axial transitions
Section leading portion, is deducted anode block axial transitions section by synthesis output cavity axial transitions section leading portion essential part and constitutes.Described synthesis is defeated
Going out chamber axial transitions section leading portion essential part, the port cross-sectional face by two adjacent synthesis output cavities is adjacent plus said two
Synthesis output cavity between anode block port cross-sectional face, with the synthesis class rectangular surfaces on axially output changeover portion boundary cross section
(bond length of class rectangular surfaces is Wtwo1, with longitudinal center line at a distance of Rtwo1, long edge lengths is Rv1-Rtwo1The line formed between)
Property gradual transition section constitute.Described anode block axial transitions section, by outside anode block axial transitions section, anode block axial transitions section
Internal leading portion and anode block axial transitions intrasegmental part back segment composition.With radius RcutCircular arc be boundary by two adjacent synthesis
Anode block port cross-sectional face between output cavity is divided into two parts, and radius is more than RcutPart names be that anode block port is horizontal
Outside cross section, radius is less than RcutPart names be inside anode block port cross-sectional face.Outside described anode block axial transitions section
Portion, is H by outside anode block port cross-sectional face, in axial direction linear gradient is transitioned into axial distanceboardClass rectangular cross section
(bond length of class rectangular cross section is Wboard, with longitudinal center line at a distance of Rboard, long edge lengths is Rv+(Rv1-Rv)*
Hboard/Hc1-Rboard) constitute.Described anode block axial transitions intrasegmental part leading portion, by anode block port cross-sectional face axially inside
Dimension linear gradual transition is H to axial distanceboardClass trapezoidal cross-section (on class trapezoidal cross-section, the end, is class rectangular cross-sectional
Face minor face, the length of side is Wboard, going to the bottom as radius is Rstick1, angular width is θstick1Circular arc) constitute.Described anode block is axial
The internal back segment of changeover portion, described class trapezoidal cross-section the most in axial direction linear gradient being transitioned into axial distance is HstickClass
Semi-circular cross-sections (base of class semi-circular cross-sections be radius be Rstick2, angular width is θstick2Circular arc, class semi-circular cross-sections
Radius be Rstick2*sin(θstick2/ 2)) constitute, between above-mentioned parameter, meet following relation: 0 < Ra<Rcut<Rv<Ro, 0≤
Rone1≤Ra1, 0≤Rtwo1≤Ra1, 0 < Ra1<Rv1<Ro1, 0 < Rstick1≤Rboard<Rv+(Rv1-Rv)*Hboard/Hc1, 0 < Rstick2<
Rstick2+Rstick2*sin(θstick2/2)<Rv1, 0 < θstick1≤ 180 °/(2N+1)-θ, 0 < θstick2≤ 180 °/(2N+1)-θ, 0 <
Wone1<2*Rv1, 0 < Wtwo1<2*Rv1, 0 < Hboard+Hstick<Hc1。
Described axial output changeover portion back segment, by axially exporting changeover portion back segment urceolus and axially exporting outside changeover portion back segment
Structure composition within Tong.Described axial output changeover portion back segment urceolus, by described axial output changeover portion boundary cross section
Anchor ring (internal diameter of anchor ring is R with the anchor ring on the port cross-sectional face of axially output changeover portion back segmentv2, external diameter is
Ro2The linear gradient changeover portion formed between) is constituted.Structure within described axial output changeover portion back segment urceolus, its vacuum
Divide by interaction region axial transitions section back segment, independent output cavity axial transitions section back segment and synthesis output cavity axial transitions section back segment
Composition.Described interaction region axial transitions section back segment, by the disc on described axial output changeover portion boundary cross section with axial
(disc radius is R to disc on the port cross-sectional face of output changeover portion back segmentv2The linear gradient changeover portion formed between) is constituted.
Described independent output cavity axial transitions section back segment, by described axial output changeover portion boundary cross section on independent class rectangular surfaces with
Axially (bond length of class rectangular surfaces is W to the independent class rectangular surfaces on the port cross-sectional face of output changeover portion back segmentone2, with axle
To centerline Rone2, long edge lengths is Rv2-Rone2The linear gradient changeover portion formed between) is constituted.Described synthesis output
Chamber axial transitions section back segment, by the synthesis class rectangular surfaces on described axial output changeover portion boundary cross section with axially export transition
(bond length of class rectangular surfaces is W to synthesis class rectangular surfaces on the port cross-sectional face of section back segmenttwo2, with longitudinal center line apart
Rtwo2, long edge lengths is Rv2-Rtwo2The linear gradient changeover portion formed between) is constituted, and meets following relation between above-mentioned parameter:
0≤Rone2≤Rv2, 0≤Rtwo2≤Rv2, 0 < Rv2<Ro2, 0 < Wone2<2*Rv2, 0 < Wtwo2<2*Rv2, 0 < Hc2。
Described circular output waveguide, be an internal diameter be Rv2, external diameter is Ro2Circular waveguide.Described circular output wave guide shaft
Outwards it is connected on the end port cross section of axially output changeover portion back segment, between above-mentioned parameter, meets following relation: 0 < Rv2<Ro2。
Described externally-applied magnetic field system, is made up of two groups of solenoids, is enclosed in coaxial input structure, and cavity resonator structure is with axial
The surrounding cylindrical area of space of output changeover portion.Described two groups of solenoids, lay respectively at the axial centre of anode of magnetron structure
The both sides of cross section, two groups of solenoids synchronize to trigger, and the axial magnetic field size and Orientation produced in magnetron interaction region
Unanimously.
Use the present invention can reach techniques below effect:
(1) the microwave Induction Peried that the improved structure of design anode block makes magnetron export is shorter, and suppression mode is competed
Ability higher, power conversion efficiency is higher.
(2) design axially output changeover portion not only makes to be operated in the magnetron in π pattern and the most axially exports the purest
Clean round TE11 modes microwave, and make axially to export changeover portion more densification and miniaturization on radial and axial, subtract
The little volume and weight of externally-applied magnetic field system, also makes the electronics of axially drift in interaction region beat rapidly and was axially exporting
In the section of crossing, decrease the drift electron absorption probability to output microwave energy, improve power conversion efficiency.
(3) design externally-applied magnetic field system makes the distribution of axial magnetic field in interaction region more uniform, electron beam and microwave
Interaction more abundant, and whole magnetrons systems more densification and miniaturization.
Accompanying drawing explanation
Fig. 1 is the overall longitudinal section that compact of the present invention axially exports the relativistic magnetron of TE11 pattern；
Fig. 2 is the cross-sectional view of coaxial input structure；
Fig. 3 is the composition diagram of magnetron cavity structure: the axonometric chart of (a) magnetron cavity structure, (b) magnetron is humorous
The cross-sectional view of resonator structure, the longitudinal section of (c) magnetron cavity structure；
Fig. 4 is axially to export changeover portion leading portion and the longitudinal section of leading portion；
Fig. 5 is the composition diagram axially exporting changeover portion leading portion: (a) axially exports the axonometric chart of changeover portion leading portion, and (b) is axial
The axonometric chart of the vacuum section of output changeover portion leading portion, (c) axial longitudinal section exporting changeover portion leading portion and two-port thereof
Cross-sectional view；
Fig. 6 is the composition diagram axially exporting changeover portion back segment: (a) axially exports the axonometric chart of changeover portion back segment, and (b) is axial
The axonometric chart of the vacuum section of output changeover portion back segment, (c) axial longitudinal section exporting changeover portion back segment and two-port thereof
Cross-sectional view；
Fig. 7 is the cross-sectional view of circular output waveguide；
Fig. 8 is the composition diagram of externally-applied magnetic field system: the axonometric chart of (a) externally-applied magnetic field system, indulging of (b) externally-applied magnetic field system
Sectional view.
Detailed description of the invention
Below in conjunction with the accompanying drawings the detailed description of the invention of the present invention is further illustrated.
Compact axially exports the relativistic magnetron of TE11 pattern as it is shown in figure 1, by coaxial input structure 1, resonator cavity
Structure 2, axially output changeover portion 3, circular output waveguide 4 and externally-applied magnetic field system 5 form.For convenience, in definition Fig. 1
Z-direction is axially, and R direction of principal axis is radially.The coaxial axial external cavity resonator structure 2 of input structure 1, cavity resonator structure 2 is axial
External axial output changeover portion 3, the axially axial external circular output waveguide 4 of output changeover portion 3, externally-applied magnetic field system 5 is arranged on
Coaxial input structure 1, cavity resonator structure 2 and the axial surrounding cylindrical area of space exporting changeover portion 3, and their axial centre
Line all overlaps.
Described coaxial input structure 1 is as in figure 2 it is shown, be made up of coaxial urceolus 101 and negative electrode connecting rod 102.Negative electrode connects
Bar 102 overlaps with the longitudinal center line of coaxial urceolus 101.Coaxial urceolus 101 internal diameter is Roi, external diameter is Ro, negative electrode connecting rod 102
Radius is Ri, meet following relation between above-mentioned parameter: 0 < Ri<Roi<Ro。
Described cavity resonator structure 2 is as it is shown on figure 3, by having the typical magnetron cavity resonator structure in 2 (2N+1) individual chamber (wherein
N=1,2,3,4,5) and the improved structure composition of magnetron Anodic block.The described typical magnetic control with 2 (2N+1) individual chamber
Pipe cavity resonator structure is made up of magnetron urceolus 201, anode 202 and negative electrode 203.Described magnetron urceolus 201 axle is outwards connected on
The end of coaxial input structure 1, its internal diameter is Rv, the external diameter R of external diameter and coaxial urceolus 101oEqual, axial length is Ho.Described
Anode 202 is made up of the individual anode block along the magnetron angular period profile of outer tube inner wall circumference of 2 (2N+1), and its radius is Ra, axle
To a length of Ha, and anode 202 terminal surface is concordant with magnetron urceolus 201 terminal surface.Chamber between each anode block constitutes resonance
Chamber 204, the angular width of each resonator cavity is θ.Described negative electrode 203 is axially fixed in negative electrode in described coaxial input structure and connects
The end of extension bar 102, is positioned on the longitudinal center line of magnetron urceolus 201, and its radius is Rc, axial length is Hc.Described magnetic control
Groove 205 that the improved structure of pipe Anodic block is had by the slippery inner surface of each anode block or projection 206 structure.Its
In, described groove or raised structures are angularly alternately distributed on each anode block inner surface along magnetron circumference, groove or projection
Angular centrage all overlap with the angular centrage of place anode block, the radial depth of each groove is Δ Rr, the widest
Degree is θr, the radial depth of each projection is Δ Rp, angular width is θp, the axial length of groove or projection is all with positive
The axial length H of pole blockaEqual, meet following relation between above-mentioned parameter: 0 < Rc<Ra<Rv<Ro, 0 < Δ Rr<Rv-Ra, 0 < Δ Rp<
Ra-Rc, 0 < θr< 180 °/(2N+1)-θ, 0 < θp< 180 °/(2N+1)-θ, 0 < Ha<Ho, Ho-Ha<Hc。
By above design, when 2 (2N+1) chamber magnetron is operated in π pattern, adjacent two resonator cavitys in magnetron
Electric field phase differs 180 degree so that angularly relative to any two resonator cavity direction of an electric field unanimously, and the electricity of remaining resonator cavity
Field direction is symmetrical about the centrosymmetry face of these two resonator cavitys, thus axially exports round TE11 modes microwave for magnetron
Provide advantage.The Induction Peried of magnetron output microwave is made more by arranging groove and raised structures on anode block
Short, the ability of suppression mode competition is higher, and power conversion efficiency is higher.
Described axial output changeover portion 3 as shown in Figure 4, by axially exporting changeover portion leading portion 3a and axially after output changeover portion
Section 3b composition, the most axially the axial length of output changeover portion leading portion 3a is Hc1, axially output changeover portion back segment 3b's is axial long
Degree is Hc2.The cross section dividing axially output changeover portion leading portion and axial output changeover portion back segment is that axially output changeover portion is demarcated
Cross section 3ab.For convenience, below by by the description of the axially vacuum section of output changeover portion is described the most defeated
Go out the structure within changeover portion urceolus.
Described axial output changeover portion leading portion 3a is as it is shown in figure 5, by axially exporting changeover portion leading portion urceolus 321 and the most defeated
Go out the structure composition within changeover portion leading portion urceolus.Described axial output changeover portion leading portion urceolus 321, by magnetron urceolus 201
End port anchor ring 319 (internal diameter of anchor ring is Rv, external diameter is Ro), demarcate on cross section 3ab with axially output changeover portion
(internal diameter of anchor ring is R to anchor ring 320v1, external diameter is Ro1The linear gradient changeover portion formed between) is constituted.Described the most defeated
Going out the structure within changeover portion leading portion urceolus, its vacuum section is by interaction region axial transitions section leading portion 303, independent output cavity axle
Form to changeover portion leading portion 306 and synthesis output cavity axial transitions section leading portion 318.Described interaction region axial transitions section leading portion
303, by the port cross-sectional disc 301 of the interaction region of magnetron, (disc radius is Ra) transversal with axially output changeover portion boundary
(disc radius is R to disc 302 on the 3ab of facea1The linear gradient changeover portion formed between) is constituted.Choose one group of angle in magnetron
To two relative resonator cavitys, by its named independent output cavity, and by named for other resonator cavitys synthesis output cavity.Described list
Solely output cavity axial transitions section leading portion 306, transversal with axially output changeover portion boundary by the port cross-sectional face 304 of independent output cavity
(bond length of class rectangular surfaces is W to independent class rectangular surfaces 305 on the 3ab of faceone1, with longitudinal center line at a distance of Rone1, the long length of side
Degree is Rv1-Rone1The linear gradient changeover portion formed between) is constituted.Described synthesis output cavity axial transitions section leading portion 318, by closing
Become output cavity axial transitions section leading portion essential part 310 to deduct anode block axial transitions section 317 to constitute.Described synthesis output cavity axle
To changeover portion leading portion essential part 310, the port cross-sectional face 307 by two adjacent synthesis output cavities is adjacent plus said two
Synthesis output cavity between anode block port cross-sectional face 308, with the synthesis class on axially output changeover portion boundary cross section 3ab
(bond length of class rectangular surfaces is W to rectangular surfaces 309two1, with longitudinal center line at a distance of Rtwo1, long edge lengths is Rv1-Rtwo1Between)
The linear gradient changeover portion formed is constituted.Described anode block axial transitions section 317, by anode block axial transitions section outside 312, sun
Pole block axial transitions intrasegmental part leading portion 314 and anode block axial transitions intrasegmental part back segment 316 form.With radius RcutCircular arc be
Anode block port cross-sectional face between demarcating two adjacent synthesis output cavities is divided into two parts, and radius is more than RcutPortion
Dividing named anode block port cross-sectional face outside 308a, radius is less than RcutPart names be inside anode block port cross-sectional face
308b.Described anode block axial transitions section outside 312, by the outside 308a in axial direction linear gradient in anode block port cross-sectional face
Being transitioned into axial distance is HboardClass rectangular cross section 311 (bond length of class rectangular cross section is Wboard, in axially
Heart line is at a distance of Rboard, long edge lengths is Rv+(Rv1-Rv)*Hboard/Hc1-Rboard) constitute.Described anode block axial transitions intrasegmental part
Leading portion 314, the internal 308b in axial direction linear gradient in anode block port cross-sectional face being transitioned into axial distance is HboardClass
(on class trapezoidal cross-section, the end, is class rectangular cross section minor face to trapezoidal cross-section 313, and the length of side is Wboard, going to the bottom as radius is
Rstick1, angular width is θstick1Circular arc) constitute.Described anode block axial transitions intrasegmental part back segment 316, trapezoidal by described class
It is H that cross section 313 the most in axial direction linear gradient is transitioned into axial distancestickClass semi-circular cross-sections 315 (class semicircle is transversal
The base in face be radius be Rstick2, angular width is θstick2Circular arc, the radius of class semi-circular cross-sections is Rstick2*sin
(θstick2/ 2)) constitute, between above-mentioned parameter, meet following relation: 0 < Ra<Rcut<Rv<Ro, 0≤Rone1≤Ra1, 0≤Rtwo1≤
Ra1, 0 < Ra1<Rv1<Ro1, 0 < Rstick1≤Rboard<Rv+(Rv1-Rv)*Hboard/Hc1, 0 < Rstick2<Rstick2+Rstick2*sin
(θstick2/2)<Rv1, 0 < θstick1≤ 180 °/(2N+1)-θ, 0 < θstick2≤ 180 °/(2N+1)-θ, 0 < Wone1<2*Rv1, 0 < Wtwo1
<2*Rv1, 0 < Hboard+Hstick<Hc1。
Described axial output changeover portion back segment 3b as shown in Figure 6, by axially exporting changeover portion back segment urceolus 329 and the most defeated
Go out the structure composition within changeover portion back segment urceolus.Described axial output changeover portion back segment urceolus 329, axial was exported by described
Anchor ring 320 on the section of crossing boundary cross section 3ab and the anchor ring 328 on the port cross-sectional face of axially output changeover portion back segment
(internal diameter of anchor ring is Rv2, external diameter is Ro2The linear gradient changeover portion formed between) is constituted.After described axial output changeover portion
Structure within section urceolus, after its vacuum section is by interaction region axial transitions section back segment 323, independent output cavity axial transitions section
Section 325 and synthesis output cavity axial transitions section back segment 327 form.Described interaction region axial transitions section back segment 323, by described axle
Disc 302 on output changeover portion boundary cross section 3ab and the disc on the port cross-sectional face of axially output changeover portion back segment
322 (disc radius is Rv2The linear gradient changeover portion formed between) is constituted.Described independent output cavity axial transitions section back segment
325, by the independent class rectangular surfaces 305 on described axial output changeover portion boundary cross section 3ab and axially output changeover portion back segment
Port cross-sectional face on independent class rectangular surfaces 324 (bond length of class rectangular surfaces is Wone2, with longitudinal center line at a distance of Rone2,
Long edge lengths is Rv2-Rone2The linear gradient changeover portion formed between) is constituted.Described synthesis output cavity axial transitions section back segment
327, by the synthesis class rectangular surfaces 309 on described axial output changeover portion boundary cross section 3ab and axially output changeover portion back segment
Port cross-sectional face on synthesis class rectangular surfaces 326 (bond length of class rectangular surfaces is Wtwo2, with longitudinal center line at a distance of Rtwo2,
Long edge lengths is Rv2-Rtwo2The linear gradient changeover portion formed between) is constituted, and meets following relation between above-mentioned parameter: 0≤
Rone2≤Rv2, 0≤Rtwo2≤Rv2, 0 < Rv2<Ro2, 0 < Wone2<2*Rv2, 0 < Wtwo2<2*Rv2, 0 < Hc2。
By above design, described axial output changeover portion 3 not only makes 2 (2N+1) chamber magnetic control being operated in π pattern
Pipe the most axially exports the purest round TE11 modes microwave, and makes axially to export changeover portion 3 on radial and axial
More densification and miniaturization, reduces the volume and weight of externally-applied magnetic field system 5, also makes axial drift in interaction region
Electronics is beaten rapidly on axially output changeover portion 3, decreases the drift electron absorption probability to output microwave energy, improves merit
Rate conversion efficiency.
Described circular output waveguide 4 as it is shown in fig. 7, be an internal diameter be Rv2, external diameter is Ro2Circular waveguide.Described circle
Output waveguide 4 axle is outwards connected on the end port cross section 328 of axially output changeover portion back segment 3b, under meeting between above-mentioned parameter
State relation: 0 < Rv2<Ro2。
Described externally-applied magnetic field system 5 as shown in Figure 8, is made up of two groups of solenoids 501 and 502, is enclosed in and coaxially inputs knot
Structure 1, the surrounding cylindrical area of space of cavity resonator structure 2 and axially output changeover portion 3.Described two groups of solenoids 501 and 502, point
Not being positioned at the both sides of the axial centre cross section 2xy of anode of magnetron structure 202, two groups of solenoids synchronize to trigger, and at magnetic control
The axial magnetic field size and Orientation produced in pipe interaction region is consistent.
By above design, externally-applied magnetic field system 5 not only makes the distribution of axial magnetic field in interaction region more uniform, electricity
Son bundle is more abundant with the interaction of microwave, and makes whole magnetrons systems more densification and miniaturization.
Embodiment one: operating frequency is the tool of 4.48GHz according to above design simulated implementation in the National University of Defense technology
Have round TE11 output mode compact relativistic magnetron (corresponding size is designed as: coaxial input structure resonant cavity structure:
N=1, Ri=Rc=5.0mm, Roi=Ra=13.0mm, Rv=24.0mm, Ro=26.0mm, Δ Rr=Δ Rp=1.0mm, θ=
20°,θr=θp=5 °, Ho=Hc=108mm, Ha=72mm；Axially output changeover portion and circular output waveguide: Rcut=19mm,
Ra1=13mm, Rv1=Rv2=24.0mm, Ro1=Ro2=26.0mm, Rone1=Rone2=Rtwo1=Rtwo2=0.0mm, Rstick1=
Rstick2=13.0mm, Rboard=19.0mm, θstick1=θstick2=24 °, Wone1=Wone2=10.0mm, Wtwo1=Wtwo2=
20.0mm,Wboard=2.0mm, Hc1=Hc2=50.0mm, Hboard=30.0mm, Hstick=5.0mm.).In running voltage it is
360kV, under conditions of axial magnetic field is 0.6T, microwave output power is 433.0MW, and power conversion efficiency is 41.9%, microwave
Induction Peried is 16ns.
Embodiment two: operating frequency is the tool of 4.29GHz according to above design simulated implementation in the National University of Defense technology
Have round TE11 output mode compact relativistic magnetron (corresponding size is designed as: coaxial input structure resonant cavity structure:
N=2, Ri=Rc=11.0mm, Roi=Ra=18.0mm, Rv=30.0mm, Ro=32.0mm, Δ Rr=Δ Rp=1.0mm, θ=
18°,θr=θp=4.5 °, Ho=Hc=108mm, Ha=72mm；Axially output changeover portion and circular output waveguide: Rcut=19mm,
Ra1=18mm, Rv1=Rv2=30.0mm, Ro1=Ro2=32.0mm, Rone1=Rone2=Rtwo1=Rtwo2=0.0mm, Rstick1=
Rstick2=17.0mm, Rboard=19.0mm, θstick1=θstick2=14 °, Wone1=Wone2=11.0mm, Wtwo1=Wtwo2=
23.0mm,Wboard=2.0mm, Hc1=Hc2=50.0mm, Hboard=30.0mm, Hstick=4.0mm.).In running voltage it is
230kV, under conditions of axial magnetic field is 0.4T, microwave output power is 285.0MW, and power conversion efficiency is 26.4%, microwave
Induction Peried is 15ns.
The above is only the preferred embodiment of the present invention, and protection scope of the present invention is not limited merely to above-mentioned enforcement
Example, all technical schemes belonged under thinking of the present invention belong to protection scope of the present invention.
Claims (4)
1. a compact axially exports the relativistic magnetron of TE11 pattern, it is characterised in that: described magnetron is by the most defeated
Enter structure, cavity resonator structure, axially export changeover portion, circular output waveguide and externally-applied magnetic field system composition, wherein, coaxially input
Axis of no-feathering is to external cavity resonator structure, and the axial external axial output changeover portion of cavity resonator structure, axially output changeover portion axle is outside
Connecing circular output waveguide, externally-applied magnetic field system is arranged on coaxial input structure, cavity resonator structure and axially exports outside changeover portion
Enclose in cylindrical space region, and the axial direction of externally-applied magnetic field system, coaxial input structure, cavity resonator structure and axial output changeover portion
Heart line all overlaps；
Described coaxial input structure is made up of coaxial urceolus and negative electrode connecting rod, described negative electrode connecting rod and described coaxial urceolus
Longitudinal center line overlaps, and described coaxial urceolus internal diameter is Roi, external diameter is Ro, described negative electrode connecting rod radius is Ri, above-mentioned parameter
Between meet following relation: 0 < Ri<Roi<Ro；
Described cavity resonator structure is by having the typical magnetron cavity resonator structure in 2 (2N+1) individual chamber and changing of magnetron Anodic block
Enter structure composition, described in there is the typical magnetron cavity resonator structure in 2 (2N+1) individual chamber by magnetron urceolus, anode and cathode sets
Becoming, described magnetron urceolus axle is outwards connected on the end of coaxial input structure, and its internal diameter is Rv, the external diameter of external diameter and coaxial urceolus
RoEqual, axial length is Ho, described anode is by the individual anode along the magnetron angular period profile of outer tube inner wall circumference of 2 (2N+1)
Block is constituted, and its radius is Ra, axial length is Ha, and anode end face is concordant with magnetron urceolus terminal surface, between each anode block
Chamber constitute magnetron cavity, the angular width of each resonator cavity is θ, and described negative electrode is axially fixed in described coaxial input
The end of negative electrode connecting rod in structure, is positioned on the longitudinal center line of described magnetron urceolus, and its radius is Rc, axial length is
Hc；Groove or projection that the improved structure of described magnetron Anodic block is had by the slippery inner surface of each anode block are tied
Structure, wherein, described groove or raised structures are angularly alternately distributed on each anode block inner surface along magnetron circumference, groove or
The angular centrage of projection all overlaps with the angular centrage of place anode block, and the radial depth of each groove is Δ Rr, angle
It is θ to widthr, the radial depth of each projection is Δ Rp, angular width is θp, the axial length of groove or projection is equal
Axial length H with anode blockaEqual, meet following relation between above-mentioned parameter: 0 < Rc<Ra<Rv<Ro, 0 < Δ Rr<Rv-Ra, 0 <
ΔRp<Ra-Rc, 0 < θr< 180 °/(2N+1)-θ, 0 < θp< 180 °/(2N+1)-θ, 0 < Ha<Ho, Ho-Ha<Hc；
Described axial output changeover portion is formed with axially output changeover portion back segment by axially exporting changeover portion leading portion, wherein said axle
Axial length to output changeover portion leading portion is Hc1, the axial length of described axial output changeover portion back segment is Hc2, divide axially
Output changeover portion leading portion and the cross section of axially output changeover portion back segment are axial output changeover portion boundary cross section；
Described axial output changeover portion leading portion by axially export changeover portion leading portion urceolus and axially output changeover portion leading portion urceolus with
Interior structure composition, described axial output changeover portion leading portion urceolus is R by magnetron urceolus internal diameterv, external diameter is RoEnd port circle
On anchor ring, with axially output changeover portion boundary cross section, internal diameter is Rv1, external diameter is Ro1Anchor ring between formed linear gradient
Changeover portion is constituted；Structure within described axial output changeover portion leading portion urceolus, its vacuum section is by interaction region axial transitions
Section leading portion, independent output cavity axial transitions section leading portion and synthesis output cavity axial transitions section leading portion composition, described interaction region axle
It is R to changeover portion leading portion by disc radius on the interaction region of magnetronaPort cross-sectional disc divide with axially output changeover portion
On boundary's cross section, disc radius is Ra1Disc between the linear gradient changeover portion that formed constitute, choose in magnetron one group angular
Two relative resonator cavitys, by its named independent output cavity, and by named for other resonator cavitys synthesis output cavity, the most described list
Solely output cavity axial transitions section leading portion is by the port cross-sectional face of described independent output cavity and axially output changeover portion boundary cross section
On independent class rectangular surfaces between formed linear gradient changeover portion constitute, described axial output changeover portion boundary cross section on
Individually class rectangular surfaces is W by bond lengthone1, and longitudinal center line at a distance of Rone1, long edge lengths be (Rv1-Rone1) rectangle region
Territory and radius are Rv1Public composition of border circular areas, described synthesis output cavity axial transitions section leading portion is by synthesizing output cavity
Axial transitions section leading portion essential part deducts anode block axial transitions section and constitutes, described synthesis output cavity axial transitions section leading portion base
This part is added the sun between the synthesis output cavity that said two is adjacent by the port cross-sectional face of two adjacent synthesis output cavities
The linear gradient mistake formed between synthesis class rectangular surfaces on block port cross-sectional face, pole and axially output changeover portion boundary cross section
The section of crossing is constituted, and the synthesis class rectangular surfaces on described axial output changeover portion boundary cross section is W by bond lengthtwo, and axially in
Heart line is at a distance of Rtwo1, long edge lengths be (Rv1-Rtwo1) rectangular area and radius be Rv1Public composition of border circular areas, institute
State anode block axial transitions section by outside anode block axial transitions section, anode block axial transitions intrasegmental part leading portion and anode block axial
Changeover portion internal back segment composition, with radius RcutCircular arc be the anode block ends between demarcating two adjacent synthesis output cavities
Mouth cross section is divided into two parts, by radius more than RcutPart names be outside anode block port cross-sectional face, radius is less than
RcutPart names be inside anode block port cross-sectional face, by anode block port cross-sectional outside described anode block axial transitions section
Outside face, in axial direction linear gradient is transitioned into axial distance is HboardClass rectangular cross section constitute, described class rectangular cross-sectional
Face is W by bond lengthboard, and longitudinal center line at a distance of Rboard, long edge lengths be (Rv+(Rv1-Rv)*Hboard/Hc1-Rboard)
Rectangular area and radius be (Rv+(Rv1-Rv)*Hboard/Hc1) public composition of border circular areas, the axial mistake of described anode block
Crossing intrasegmental part leading portion by anode block port cross-sectional face axially inside dimension linear gradual transition is H to axial distanceboardClass
Trapezoidal cross-section is constituted, and described class trapezoidal cross-section is by a length of W in the upper endboard, and longitudinal center line at a distance of RboardStraight flange,
Radius of going to the bottom is Rstick1, angular width be θstick1Circular arc isosceles trapezoid region constitute, described anode block axial transitions section
It is H that internal back segment is transitioned into axial distance by described class trapezoidal cross-section the most in axial direction linear gradientstickClass semicircle horizontal
Section constitution, described class semi-circular cross-sections is R by bilge rediusstick2, angular width be θstick2Circular arc, radius be
(Rstick2*sin(θstick2/ 2) half-circle area) is constituted, and meets following relation between above-mentioned parameter: 0 < Ra<Rcut<Rv<Ro, 0≤
Rone1≤Ra1, 0≤Rtwo1≤Ra1, 0 < Ra1<Rv1<Ro1, 0 < Rstick1≤Rboard<Rv+(Rv1-Rv)*Hboard/Hc1, 0 < Rstick2<
Rstick2+Rstick2*sin(θstick2/2)<Rv1, 0 < θstick1≤ 180 °/(2N+1)-θ, 0 < θstick2≤ 180 °/(2N+1)-θ, 0 <
Wone1<2*Rv1, 0 < Wtwo1<2*Rv1, 0 < Hboard+Hstick<Hc1；
Described axial output changeover portion back segment by axially export changeover portion back segment urceolus and axially output changeover portion back segment urceolus with
Interior structure composition, described axial output changeover portion back segment urceolus is by the annulus on described axial output changeover portion boundary cross section
Face is R with internal diameter on the port cross-sectional face of axially output changeover portion back segmentv2, external diameter is Ro2Anchor ring between formed linear
Gradual transition section is constituted；Structure within described axial output changeover portion back segment urceolus, its vacuum section is axial by interaction region
Changeover portion back segment, independent output cavity axial transitions section back segment and synthesis output cavity axial transitions section back segment composition, described interaction
District's axial transitions section back segment is by the disc on described axial output changeover portion boundary cross section and axially output changeover portion back segment
On port cross-sectional face, radius is Rv2Disc between formed linear gradient changeover portion constitute, described independent output cavity axial transitions
Section back segment is by the independent class rectangular surfaces on described axial output changeover portion boundary cross section and the end axially exporting changeover portion back segment
The linear gradient changeover portion formed between independent class rectangular surfaces on mouth cross section is constituted, described axial output changeover portion back segment
Independent class rectangular surfaces on port cross-sectional face is W by bond lengthone2, and longitudinal center line at a distance of Rone2, long edge lengths be
(Rv2-Rone2) rectangular area and radius be Rv2Public composition of border circular areas, described synthesis output cavity axial transitions section
Back segment is by the synthesis class rectangular surfaces on described axial output changeover portion boundary cross section and the port axially exporting changeover portion back segment
The linear gradient changeover portion formed between synthesis class rectangular surfaces on cross section is constituted, the end of described axial output changeover portion back segment
Synthesis class rectangular surfaces on mouth cross section is W by bond lengthtwo2, and longitudinal center line at a distance of Rtwo2, long edge lengths be (Rv2-
Rtwo2) rectangular area and radius be Rv2Public composition of border circular areas, meet following relation between above-mentioned parameter: 0≤
Rone2≤Rv2, 0≤Rtwo2≤Rv2, 0 < Rv2<Ro2, 0 < Wone2 <2*Rv2, 0 < Wtwo2<2*Rv2, 0 < Hc2；
Described circular output waveguide be an internal diameter be Rv2, external diameter is Ro2Circular waveguide, described circular output waveguide is the most external
On the end port cross section of described axial output changeover portion back segment, between above-mentioned parameter, meet following relation: 0 < Rv2<Ro2；
Described externally-applied magnetic field system is made up of two groups of solenoids, is enclosed in coaxial input structure, cavity resonator structure and axially exports
The surrounding cylindrical area of space of changeover portion, described two groups of solenoids lay respectively at the axial centre cross section of anode of magnetron structure
Both sides, two groups of solenoids synchronize to trigger, and the axial magnetic field size and Orientation produced in magnetron interaction region is consistent.
2. a compact as claimed in claim 1 axially exports the relativistic magnetron of TE11 pattern, it is characterised in that: N=
1,2,3,4 or 5.
3. a compact as claimed in claim 1 or 2 axially exports the relativistic magnetron of TE11 pattern, it is characterised in that:
The each parameter of described magnetron is as follows: N=1, Ri=Rc=5.0mm, Roi=Ra=13.0mm, Rv=24.0mm, Ro=26.0mm,
ΔRr=Δ Rp=1.0mm, θ=20 °, θr=θp=5 °, Ho=Hc=108mm, Ha=72mm；Axially output changeover portion and circle
Output waveguide: Rcut=19mm, Ra1=13mm, Rv1=Rv2=24.0mm, Ro1=Ro2=26.0mm, Rone1=Rone2=Rtwo1=
Rtwo2=0.0mm, Rstick1=Rstick2=13.0mm, Rboard=19.0mm, θstick1=θstick2=24 °, Wone1=Wone2=
10.0mm,Wtwo1=Wtwo2=20.0mm, Wboard=2.0mm, Hc1=Hc2=50.0mm, Hboard=30.0mm, Hstick=
5.0mm。
4. a compact as claimed in claim 1 or 2 axially exports the relativistic magnetron of TE11 pattern, it is characterised in that:
The each parameter of described magnetron is as follows: N=2, Ri=Rc=11.0mm, Roi=Ra=18.0mm, Rv=30.0mm, Ro=32.0mm,
ΔRr=Δ Rp=1.0mm, θ=18 °, θr=θp=4.5 °, Ho=Hc=108mm, Ha=72mm；Axially output changeover portion and circle
Shape output waveguide: Rcut=19mm, Ra1=18mm, Rv1=Rv2=30.0mm, Ro1=Ro2=32.0mm, Rone1=Rone2=Rtwo1
=Rtwo2=0.0mm, Rstick1=Rstick2=17.0mm, Rboard=19.0mm, θstick1=θstick2=14 °, Wone1=Wone2=
11.0mm,Wtwo1=Wtwo2=23.0mm, Wboard=2.0mm, Hc1=Hc2=50.0mm, Hboard=30.0mm, Hstick=
4.0mm。
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| CN105869973B (en) * | 2016-05-11 | 2017-06-16 | 中国人民解放军国防科学技术大学 | Axially export the compact magnetron of circular polarisation TE11 coaxial waveguide patterns |
| CN108807117A (en) * | 2018-05-23 | 2018-11-13 | 电子科技大学 | A kind of double note double frequency relativistic magnetrons of L-band |
| CN109935507B (en) * | 2019-03-08 | 2020-11-20 | 长沙魔豆智能科技有限公司 | Magnetron coaxial Gaussian mode microwave extractor |
| CN113488363B (en) * | 2021-07-06 | 2022-05-03 | 电子科技大学 | TE (time-out) device11Relativistic magnetron with mode output |
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| CN103280391A (en) * | 2013-05-23 | 2013-09-04 | 中国人民解放军国防科学技术大学 | Frequency-tunable axial output relativistic magnetron |
| CN104183445A (en) * | 2014-09-05 | 2014-12-03 | 中国人民解放军国防科学技术大学 | Compact relativistic magnetron with TE10 output mode |
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| US5537002A (en) * | 1994-09-12 | 1996-07-16 | Olin Corporation | Frequency tunable magnetron including at least one movable backwall |
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| CN103280391A (en) * | 2013-05-23 | 2013-09-04 | 中国人民解放军国防科学技术大学 | Frequency-tunable axial output relativistic magnetron |
| CN104183445A (en) * | 2014-09-05 | 2014-12-03 | 中国人民解放军国防科学技术大学 | Compact relativistic magnetron with TE10 output mode |
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