317 results about "Power division" patented technology

The invention provides a trajectory design method and system in an unmanned aerial vehicle hidden and sensing integrated network, and the method comprises the steps: firstly deducing a multi-listener cooperative receiving signal expression and a probability density function in the sensing integrated network with multiple cooperative listeners; then deriving a minimum detection error rate expression of multi-listener collaborative detection and an optimal power division ratio expression meeting covert communication constraints based on a maximum likelihood principle; and establishing an unmanned aerial vehicle track and scheduling optimization problem of anti-cooperative detection in the unmanned aerial vehicle hidden and inductive integrated network according to the deduced formula. And finally, iteratively solving the problem based on convex approximation and an ellipsoid method to obtain an optimal unmanned aerial vehicle trajectory and scheduling. According to the method provided by the invention, the covert communication requirement in the unmanned aerial vehicle communication perception integrated network can be well met, and the communication safety in the future unmanned aerial vehicle Internet of Things is improved.

The invention discloses a high-isolation waveguide three-way power dividing and combining network structure which comprises a waveguide three-way power divider and a waveguide three-way power combiner, and an amplifier is connected between the waveguide three-way power divider and the waveguide three-way power combiner. The waveguide three-way power divider comprises a power divider upper waveguide cavity and a power divider lower waveguide cavity which are symmetrically arranged, and the power divider upper waveguide cavity and the power divider lower waveguide cavity are connected through screws. The waveguide three-path power combiner comprises a combiner upper waveguide cavity and a combiner lower waveguide cavity which are symmetrically arranged, and the combiner upper waveguide cavity and the combiner lower waveguide cavity are connected through screws. Microwave signals are distributed by the waveguide three-way power distributor, amplified by the amplifier, and then combined by the three-way power combiner. By constructing a brand-new three-path power division and synthesis network architecture, the problem of mutual load traction of amplifiers in a traditional non-isolated network is solved, and the stability of power synthesis is improved.

The utility model provides a large-bandwidth 220G terahertz emission front end, which comprises a frequency doubler, a filter, an amplifier, a one-to-two power divider, a first one-to-four power divider and a second one-to-four power divider, wherein the frequency doubler, the filter, the amplifier and the one-to-two power divider are sequentially connected, and the first one-to-four power divider and the second one-to-four power divider are respectively connected with two output ends of the one-to-two power divider. The output end of the first one-to-four power divider and the output end of the second one-to-four power divider are connected with four transmitter frequency doubling amplification modules. According to the utility model, input 15G-21.7 GHz low-frequency signals are subjected to frequency doubling amplification to obtain 30G-42.4 GHz signals, the 30G-42.4 GHz signals are divided into 8 paths of transmitter frequency doubling amplification modules 7 through two power division links, the 8 paths of signals are respectively controlled by a single-pole four-throw switch to obtain 32 paths of signals, the 60-84.8 GHz signals are obtained after frequency doubling amplification, and the 60-84.8 GHz signals are transmitted to the transmitter frequency doubling amplification modules 7. The signals are divided into 64 paths of signals under the control of a single-pole double-throw switch, and the 64 paths of signals are amplified by a frequency tripler to obtain final 180-260GHz emission signals. According to the utility model, emission of multi-channel signals can be simultaneously realized, and the production and manufacturing cost of the terahertz front end is obviously reduced.

The invention provides a time-sharing multi-channel power distribution system and a control method thereof, and the system comprises a microwave excitation source which is used for generating a continuous wave radio frequency signal; the common end of the multi-channel radio frequency switch is connected with the output end of the microwave excitation source, and the multi-channel radio frequency switch is used for switching a radio frequency signal to any one of a plurality of output channels of the multi-channel radio frequency switch in a time-sharing manner; the control module is electrically connected with the control end of the multi-channel radio frequency switch, and the control module is used for outputting a control signal according to a preset time sequence so as to drive the multi-channel radio frequency switch to be switched among different output channels; the directional protection module is connected between the microwave excitation source and the multi-channel radio frequency switch and is used for guiding reflection power from an output channel to a matched absorption load, so that the inherent problem of power division attenuation of a traditional power divider is solved; therefore, each output channel can obtain almost all original input power in the working gap, thereby greatly improving the power utilization rate and the transmission efficiency.

The invention discloses a multichannel broadband receiver, and belongs to the technical field of microwave radio frequency and electronic control, the multichannel broadband receiver comprises a multichannel down-conversion assembly, a local oscillator power component, a power interface control panel and a VPX connector, the down-conversion assembly adopts a cavity-divided integrated structure, multiple identical radio frequency links are arranged in the same cavity in parallel, and the VPX connector is connected with the local oscillator power component. Down conversion from a 2-18GHz radio frequency signal to a 1.3-2.3 GHz intermediate frequency signal is realized through two-stage frequency mixing; the power supply interface control board takes an FPGA as a core, integrates the functions of multi-path power supply conversion, driving isolation, state monitoring and the like, and realizes channel gain power failure storage and calling, BIT self-inspection, nanosecond rapid turn-off and multi-parameter real-time monitoring through software and hardware cooperation. Through collaborative innovation of the structure, circuit and control, high integration, high channel consistency, high isolation and high intelligence of the multi-channel receiver are realized, and the multi-channel receiver is suitable for the fields of high-performance radars, electronic countermeasures and the like.

The invention relates to an energy distribution method and device, a controller and a storage medium. The method comprises the steps that driving modes and operation parameters of a vehicle in each unit time in a preset historical time period are obtained, and a battery electricity consumption rate optimal sequence in a pure electric mode is determined in combination with a pre-constructed longitudinal kinetic model, a pre-constructed power division kinetic model, a pre-constructed battery model and a pre-constructed engine universal characteristic curve; a candidate working point, meeting the minimum combination of the fuel consumption rate and the battery power consumption rate, of the hybrid power mode is determined; screening the candidate working points to obtain a more balanced target working point; based on the battery power consumption rate optimal sequence and the multiple target working points, obtaining each optimal driving mode and a global optimal control sequence for a preset historical time period through a dynamic programming algorithm; and system-level performance index parameters of the vehicle are optimized based on the optimal driving mode and the global optimal control sequence, so that optimization of energy distribution in the vehicle running process is realized, and the vehicle economy is improved.

A ceiling-mounted antenna (10), comprising: an antenna base (1); a vertical-polarization antenna (2), which comprises a reflecting plate (21) and an antenna element (22), the reflecting plate (21) being located between the antenna base (1) and the antenna element (22); a horizontal-polarization antenna (3), wherein a plurality of patch units (31) are distributed at intervals around the antenna element (22) and are located on the side of the reflecting plate (21) away from the antenna base (1); and a passive frequency-mixing module (4), which comprises a dielectric substrate (41), a passive frequency-mixing circuit (42) and a power division network (43), wherein the passive frequency-mixing circuit (42) is electrically connected to both the antenna element (22) and the power division network (43), and the power division network (43) is electrically connected to the plurality of patch units (31). On the basis of a low-frequency signal transmitted by means of a DAS, a 5G signal is obtained under the action of the passive frequency-mixing circuit (42), thereby implementing 5G communication of the ceiling-mounted antenna (10), and improving the indoor 5G communication quality. (FIG. 1)

The utility model relates to a cavity structure for a phase shifter, and the cavity structure comprises a middle cavity which is constructed to be used for accommodating a main feed signal line; the side edge cavities are separately arranged on the two sides of the middle cavity, and the side edge cavities are constructed to be used for accommodating a power division network, a phase shift network and a main feed network; and the main feed network is electrically connected with the main feed signal line through the metal adapter piece, and the main feed network is electrically connected with the main feed signal line through the metal adapter piece. In this way, the cavity structure for the phase shifter can be divided into at least three smaller cavities which are arranged side by side, so that the height of the cavity structure for the phase shifter can be reduced, and the assembly flexibility and the overall height of the antenna comprising the cavity structure provided by the utility model are further improved.

The invention relates to a two-dimensional spatial multiplexing multi-path synthesis power amplifier circuit, which comprises an input power division network for distributing signals to each path of two-dimensional spatial multiplexing module for signal amplification; the two-dimensional space multiplexing module is used for placing the adjacent multi-path amplifying units or transmitting units in the same area, so that m * N paths of amplifying units or transmitting units are realized in N paths of areas, power synthesis miniaturization is realized, and signals are sent to an output synthesis network; and the output synthesis network is connected with the outputs of the two-dimensional spatial multiplexing modules, and outputs the output signals after power synthesis. Compared with a conventional power synthesis technical scheme, the area is more compact, the output power can be doubled under the same area, or the area is saved by 50% under the same output power, the on-chip power synthesis implementation cost can be greatly reduced, the design is simpler and more convenient through mutual decoupling of parameters of the embedded transformer and the peripheral transformer, and the power synthesis efficiency is improved. The design efficiency is improved.

The invention relates to a multichannel down-conversion chip, a multichannel down-conversion circuit and a receiver, and the chip comprises a local oscillator signal processing module which accesses a local oscillator signal, carries out the amplification and power division of the local oscillator signal, and obtains a plurality of local oscillator power division signals; based on the local oscillator power division signal, phase shifting is carried out to obtain a phase-shifted local oscillator signal, and the phase-shifted local oscillator signal is input of a frequency mixer in a corresponding channel; each channel of the multi-channel module is provided with a radio frequency amplifier, a frequency mixer and an intermediate frequency amplifier which are connected in sequence, the input end of each radio frequency amplifier is used for accessing a received radio frequency signal, and the output end of each intermediate frequency amplifier is the output end of the corresponding channel; by adopting the chip, the number of components required in the down-conversion circuit can be effectively reduced, the manufacturing cost of the down-conversion circuit is reduced, and the plurality of components such as the radio frequency amplifier, the frequency mixer and the intermediate frequency amplifier are integrated in the same chip, so that the size of the down-conversion circuit can be reduced, and the miniaturization requirement can be met.

The utility model relates to a high-gain dual-polarized waveguide slot antenna array, and belongs to the technical field of radars. Comprising a horizontally-polarized antenna and a vertically-polarized antenna which are arranged in a staggered mode, the horizontally-polarized antenna is composed of a horizontally-polarized radiation waveguide, a horizontally-polarized rectangular power dividing waveguide and a feed waveguide, and the horizontally-polarized radiation waveguide is located above the horizontally-polarized rectangular power dividing waveguide and connected with the horizontally-polarized rectangular power dividing waveguide through a transition waveguide; the feed waveguide is mounted on the lower side of the horizontal polarization rectangular power division waveguide; the vertical polarization antenna is composed of a vertical polarization radiation power division waveguide, a vertical polarization rectangular power division waveguide and a feed waveguide, the vertical polarization radiation power division waveguide is located above the vertical polarization rectangular power division waveguide and connected with the vertical polarization rectangular power division waveguide through a transition waveguide, and the feed waveguide is installed on the lower side of the vertical polarization rectangular power division waveguide. According to the utility model, the feed waveguide and the radiation waveguide are integrally processed in a mode of stacking multiple layers of waveguides; the waveguide feed network is used for feeding, and has remarkable advantages compared with a traditional micro-strip or strip line network.

The invention relates to the technical field of communication anti-interference testing, in particular to an unmanned aerial vehicle interference testing method based on dynamic attenuation and power division. According to the method, multi-dimensional environment feature vectors including power spectral density, modulation features and signal time delay are extracted; a dynamic attenuation matrix is constructed based on the vector, and a composite path loss model is established on the basis of correcting a free space propagation model, so that interference characteristics in a real wireless propagation scene can be effectively simulated, a test channel is enabled to be more fit with an actual deployment environment, and the credibility and adaptability of interference test are improved; according to the invention, based on the optimal power proportion, three types of signals, namely, an environment noise signal, a deceptive interference signal and an impressive interference signal, are generated respectively, and three indexes, namely communication response time delay, positioning deviation and a communication interruption rate, are combined to form an accurate anti-interference evaluation system; and the robustness, the stability and the fault-tolerant capability test precision of the unmanned aerial vehicle communication system in different interference environments are effectively improved.

The invention discloses a differential bridge structure and a differential circuit structure. The differential bridge structure can comprise a differential power division network, a first differential phase shift network and a second differential phase shift network, wherein the differential power division network, the first differential phase shift network and the second differential phase shift network are constructed based on coupling transmission lines; the differential power division network is configured to divide an input signal into two paths of differential signals and output the two paths of differential signals to the first differential phase shift network and the second differential phase shift network respectively; the first differential phase shift network and the second differential phase shift network are respectively configured to output the differential signal as an output signal whose phase difference is a preset difference value including 90 DEG. The differential bridge structure disclosed by the invention has good broadband characteristics, realizes high-precision phase control, and can output and maintain 90-degree phase difference signal output.

The invention, which relates to the technical field of new energy power generation and power grid dispatching, discloses a climbing reserve demand evaluation method, system and device considering new energy power generation random fluctuation, and a storage medium, comprising the steps of collecting a historical active measurement time sequence of a new energy station, and performing preprocessing; grouping the preprocessed active measurement time sequence according to time granularity duration, and calculating a power characteristic index based on each group of data; on the basis of the power characteristic indexes and according to a preset power division rule, dividing the new energy power generation power into power intervals, and obtaining a mapping relation between the time granularity and the power intervals; generating a reserve capacity demand duration curve and a required reserve capacity value based on the reserve capacity demand of the power interval section, and generating a climbing rate demand duration curve and a required climbing rate value based on the climbing rate of the power interval section; and resetting the time granularity duration, and updating the required standby capacity and the climbing requirement. The new energy power generation adjusting capacity is improved.

The invention provides a dual-circularly-polarized feed source assembly and a feed source system. The dual-circularly-polarized feed source assembly comprises four identical horns, a dual-polarized four-path power division and synthesis network and a T-shaped waveguide circular polarizer which are cascaded. The inner wall of the horn adopts an exponential curve structure, the dual-polarization four-path power division and synthesis network comprises a common input waveguide, a frustum mode matching waveguide cavity and four output waveguides, the T-shaped waveguide circular polarizer comprises a stepped gradient waveguide and a rectangular waveguide, the rectangular waveguide and the stepped gradient waveguide are arranged in a T shape, and the rectangular waveguide and the stepped gradient waveguide are arranged in a T shape. The plane where the wide side of the rectangular waveguide is located has a 30-degree rotation angle relative to the propagation cross section of the tapered waveguide. Compact transformation from linear polarization to circular polarization can be realized through T-shaped butt joint of the stepped gradient waveguide and the rectangular waveguide. The dual-circular polarization feed source assembly has good broadband circular polarization performance.

The application discloses a high-power phased array panel unit with a staggered layering structure and belongs to the technical field of phased arrays; the unit comprises an antenna panel, a TR module, a digital module, a power division module, a calibration module and an optical fiber module, further comprises a peripheral frame and a bottom cover; the bottom cover and the antenna panel are respectively covered on the bottom and the top of the peripheral frame to form a box body; the upper surface of the antenna panel is provided with a plurality of oscillator units arranged in a triangular array mode; an adapter plate is fixed to the lower side of the antenna panel through a support and exposed to the bottom cover; the inner side of the antenna panel is further provided with a temperature control module for detecting temperature, and the temperature control module is located between the antenna panel and the adapter plate; a fan is further arranged on the bottom cover and electrically connected with the temperature control module circuit. The application has the advantages of flat design of each module, unified module interface, completion of array splicing requirements by replacing the antenna panel, quickness and convenience, and mutual replacement of each module.

The application discloses a broadband multi-stage Gysel power divider based on an IPD process, comprising a microstrip structure layer, and first and second dielectric substrates and a ground metal layer; the microstrip structure layer adopts a multi-layer nested structure, each layer of the nested structure is formed by cascading multi-stage Gysel power division units, and is arranged on the upper surface and the interior of the first dielectric substrate, so that an integrated layout based on the IPD process is formed, and a planar spiral structure, an air bridge, a parallel plate capacitor, a thin film resistor and a layered ground unit structure are integrated; the planar spiral structure is equivalent to a specific characteristic impedance transmission line, the air bridge structure solves cross interference and suppresses a parasitic capacitor, the parallel plate capacitor structure calibrates equivalent reactance parameters, the thin film resistor effectively improves port isolation and heat dissipation, and the layered ground unit structure strengthens heat dissipation and ground reliability. The application can realize stable power distribution in a wide frequency band, and is suitable for the integration requirements of high-frequency, high-power and small-sized radio frequency front ends.

The utility model discloses a radio frequency antenna equipped with an EBG structure and an antenna system matched with an annular coupler, which comprises a top copper plate, an upper dielectric layer, a curing plate, a lower dielectric layer and a bottom copper plate which are sequentially arranged from top to bottom, and a signal transmission layer is arranged between the upper dielectric layer and the curing plate; an annular coupler is arranged on the signal transmission layer, a branch knot of the annular coupler is connected with a balance port, a transmitting port, an antenna port and a receiving port through an impedance conversion branch knot, a radio frequency antenna is arranged at the antenna port, and two EBG structures are arranged around the radio frequency antenna. According to the antenna system in which the radio frequency antenna configured with the EBG structure is matched with the annular coupler, energy power division and signal isolation of a transmitting port and a receiving port are realized, so that the signal-to-noise ratio is improved; the EBG structure is configured around the radio frequency antenna, so that the propagation of reflected waves and plane waves is suppressed, the radiation gain of the antenna is increased, and the overall stability of the system is improved.

The invention relates to a power divider circuit for frequency modulation through a switch array, and belongs to the technical field of microwave and millimeter wave communication. Comprising a signal input port, a first signal output port, a second signal output port, a combining transmission line, a first shunt transmission line, a second shunt transmission line, an isolation resistor, a first-stage series matching circuit, a second-stage series matching circuit, a first-stage parallel matching circuit and a second-stage parallel matching circuit. A series fixed switch and a parallel sliding switch are arranged on the series matching circuit, a series fixed switch is arranged on the parallel matching circuit, and the on and off states of the switches can be independently controlled. Different paths of electromagnetic waves can be selected by turning on and turning off the switching network, so that the power division performance of different working frequencies and bandwidths is realized, and the scheme has the characteristics of free tuning and variable combination.

The invention relates to a ground penetrating radar system. Comprising a signal generation and data acquisition part which comprises a main control module used for generating Gray complementary codes; wherein the code length and the rate of the Gray complementary code can be adjusted, and the Gray complementary code comprises a Gray complementary code A and a Gray complementary code B; the power divider is used for performing power division processing on the Gray complementary code to generate a first path of power division signal and a second path of power division signal; wherein the first path of power division signal is the same as the second path of power division signal; the first acquisition module is used for acquiring a first path of power division signal and taking the first path of power division signal as a reference signal; the first power amplifier is used for amplifying the second path of power division signal to obtain an amplified power division signal; and the first frequency mixer is used for performing frequency conversion processing on the amplified power division signal and a local oscillation signal to obtain a first frequency conversion signal. According to the invention, the detection precision can be improved, and the detection effect is improved.

The application discloses a compact high-power multilayer coaxial waveguide power divider, and belongs to the field of high-power mode power distribution. The power divider comprises an upper layer coaxial radial power division structure, a lower layer coaxial radial power division structure and a variable inner diameter coaxial line structure. The upper layer coaxial radial power division structure comprises n upper layer output ports, the lower layer coaxial radial power division structure comprises n lower layer output ports, and the variable inner diameter coaxial line structure is used for introducing part of power of an upper layer coaxial input port input signal into a lower layer coaxial line part, and the remaining power enters an upper layer radial line part. Signals entering the upper layer radial line part are equally divided into n paths of output, and signals entering the lower layer coaxial line part are equally divided into n paths of output through a lower layer radial line part. The application can break through the restriction of the number of radial power division, introduce more power division paths in a limited radial radius, and has the advantages of low loss, high power capacity and more compact structure compared with a single layer radial power division system under the premise of the same number of power division.

The application provides a low intermediate frequency receiver and a radio frequency signal receiving method. The low intermediate frequency receiver comprises a plurality of identical receiving links and a signal modulation module. Each receiving link comprises a radio frequency signal receiving processing module, a power division module and a combination module. The radio frequency signal receiving processing module pre-processes a radio frequency signal. The power division module divides the pre-processed radio frequency signal into a plurality of power division signals, transmits a preset proportion of the plurality of power division signals to the combination module, and transmits the remaining power division signals to the combination module of an adjacent receiving link. The combination module combines the preset proportion of the plurality of power division signals and the remaining power division signals transmitted by the adjacent receiving link to obtain a combination signal, transmits the combination signal to a frequency conversion module for frequency conversion to obtain a target modulation signal, and transmits the target modulation signal to the signal modulation module for demodulation to complete radio frequency signal transmission. The application realizes the use of true diversity technology to divide and combine radio frequency signals and then output modulation, thereby guaranteeing the reliability of radio frequency signal transmission.

The invention provides a working mode reconfigurable power division chip circuit structure and a working method thereof. The circuit structure comprises an input port tap, two output port taps, a three-wire coupling spiral coil, a grounding pole and two control switches. One input port tap is connected with a middle coil of the three-wire coupling spiral coil to serve as an incident signal input port; the two output port taps are connected with two ends of an outer side coil of the three-wire coupling spiral coil to serve as output signal output ports; the two ends of the grounding pole are connected between the tail ends of the middle coils of the three-wire coupling spiral coils through the control switches respectively. The two control switches are used for switching the working mode of the working mode reconfigurable power division chip circuit structure. According to the power divider, the connection state of the three-wire coupling spiral coil and the grounding pole is changed by switching the on-off state of the control switch, switching of two working modes of power division and balun is achieved in the same compact circuit structure, and efficient utilization of the chip size is achieved.

The invention discloses an ultra-wideband 45-degree oblique polarization all-metal array antenna based on a self-power-division structure. An array antenna unit adopts a single-feed-point self-power-division structure to realize a unit-level synthetic oblique polarization characteristic and can realize flexible and adjustable two-dimensional array spacing in a 45-degree oblique polarization state. A feed structure of the array antenna unit comprises a feed coaxial structure, a self-power division structure and a reflection matching cavity, so that signals transmitted to a vertical polarization surface structure and a horizontal polarization surface structure of a radiation cavity are in a constant-amplitude in-phase state, 45-degree oblique polarization radiation can be realized even if the array spacing of the vertical polarization surface and the array spacing of the horizontal polarization surface are not equal, and the radiation efficiency is improved. The polarization angle of the array antenna is not limited by the arrangement grid design. The array antenna can realize the working frequency range coverage of 3-9 octaves.

The utility model discloses a mining directional antenna, which comprises a reflecting plate, a radiating unit, a forming power division network plate, a feed network cable and a radio frequency connector, the radiating unit and the forming power division network plate are both mounted on a first mounting surface of the reflecting plate, and the radio frequency connector is mounted on a second mounting surface of the reflecting plate. The radiation unit comprises a plurality of radiation subunits, the feed network cable comprises a first feed network cable and a second feed network cable, the plurality of radiation subunits are in coupling connection with the forming power division network board through the first feed network cable, and the forming power division network board is in coupling connection with the radio frequency connector through the second feed network cable; wherein the radio frequency band of each radiation subunit is from 1710 MHz to 2700 MHz, and the radio frequency connector is set as an external port. The antenna is high in transmission efficiency, stable in signal receiving and transmitting, high in sensitivity, low in antenna grating lobe and high in multipath interference resistance.

The application discloses an ultra-wideband circularly polarized wide-beam four-ridged horn antenna, which comprises four ridges arranged in a circle and a bottom-closed and top-open metal horn side wall, the ridges are connected with the upper surface of the bottom of the metal horn side wall, the lower surface of the bottom of the metal horn side wall is connected with a power division and phase shift network, the power division and phase shift network is connected with metal probes respectively arranged between two adjacent ridges of the four ridges, and the other two ridges are in contact with the cladding part of the metal probes; the working frequency band and the beam width are improved under the premise of small size by loading a stepped radiation structure on the upper part of the metal horn side wall, the beam width is regulated by adjusting the height and width of each layer of the stepped radiation structure, the beam width is further improved by introducing a circular slot on the metal horn side wall, and meanwhile, the metal probes which are bent by 90 degrees are arranged in the probe baffle, the side-feeding form of the four-ridged horn antenna is changed into bottom-feeding, and the occupation of the lateral space can be reduced without changing the original performance of the antenna.

The application belongs to the technical field of testability design of large-scale full switching matrix, and relates to an online fast self-checking method of variable routing matrix based on parallel hierarchical exhaustion. 2 For MxM board card cascade M 2 Matrix, by using the characteristics of large-scale card matrix layered switching, fixing the 2-layer switching relationship in 3-layer switching board card, synchronously and parallelly routing and exhausting 1-layer M switching board card, based on the common model, eliminating the redundant fault channels, the fault switching board card can be quickly obtained, and the power division + switch channel and the common end can be located, the problem of long time consumption of large-scale card matrix full routing self-checking is solved, the time of signal interruption due to self-checking is greatly shortened, and the inspection efficiency of large-scale card matrix is greatly improved.

The invention relates to the technical field of wireless communication, in particular to a power dividing connector and communication equipment. The power dividing connector comprises an outer conductor which is provided with a hollow accommodating cavity; the inner conductor is arranged in the accommodating cavity, the inner conductor and the outer conductor are arranged at an interval, and gas is adopted between the inner conductor and the outer conductor as a medium; the inner conductor is provided with an input port and one or more output ports, the input port and the one or more output ports extend out of the containing cavity, and the output ports are arranged at intervals. According to the invention, low-loss transmission and power division functions can be realized.

The invention relates to the technical field of microwave antennas, and particularly discloses a ridge waveguide slot antenna array and device with high gain, wide band and high cross-pole ratio, and the structure of the antenna array is as follows: an antenna radiation linear array layer is formed by linear array sub-arrays, and one linear array sub-array is composed of two linear array units; the first feed network layer is composed of a plurality of first feed networks corresponding to the linear array sub-arrays, the center of the first feed network layer is provided with a probe insertion structure, a feed probe is inserted into the first feed network layer, and the first feed networks and the feed probe are in non-contact coupling feed; the second feed network layer is composed of a second feed power division network, a second feed power division channel of the second feed network layer corresponds to the first feed network, the feed probe and the second feed power division channel are in non-contact coupling feed, and a radio frequency signal port is formed in the middle of the bottom face of the second feed power division network layer. On the basis of ensuring the antenna gain performance, the complexity of the feed network is reduced, the impedance matching design of the antenna is simplified, the standing-wave ratio of the antenna is optimized, and the working bandwidth of the antenna is improved.

The application discloses a compact broadband beam dipole antenna array based on high-order modes, which comprises two subarrays, the two subarrays share a dielectric substrate with upper and lower surface parts partially covered with copper, and are fed with equal amplitude through a 1:2 power division feeding structure, the two subarrays are left-right symmetrical about a central axis of the dielectric substrate, each subarray comprises a substrate integrated waveguide cavity and multiple pairs of side-by-side dipoles, and is connected by a grounded coplanar waveguide, the substrate integrated waveguide cavity is formed by equidistantly arranging metalized vias, and works in TE 510 high-order modes, a dipole is arranged at the position of the center of the periphery of each electric field loop of the substrate integrated waveguide cavity, and single-side radiation with high directivity in the H plane and wide 3dB beam width in the E plane can be obtained by arranging the radiation arms of the dipoles according to the superposition and cancellation rules of the radiation field. The application solves the problems of complex structure and difficult implementation of the existing wide beam antenna.