99 results about "Radiation frequency" patented technology

The utility model provides a multi-band antenna and a mobile terminal, and the antenna comprises a first radiation branch knot, a second radiation branch knot, a third radiation branch knot, a fourth radiation branch knot, a feeding point, and a grounding point. The first radiation branch knot, the second radiation branch knot and the third radiation branch knot are electrically connected with the feeding point and the grounding point and then extend towards the left side of the feeding point. The fourth radiation branch knot is electrically connected with the feeding point and the grounding point and then extends towards the right side of the grounding point. The third radiation branch knot is located below the second radiation branch knot, and the second radiation branch knot is located below the first radiation branch knot. The multi-band antenna not only can broaden the radiation band of the whole antenna, but also enables the antenna to have good harmonic suppression capability.

Disclosed in the present invention is a microfluidic antenna with a reconfigurable frequency and directivity pattern. The microfluidic reconfigurable antenna consists of six parts, which are a metal floor, a metal radiation patch, a top reflector, a middle dielectric substrate, a coaxial feeder line penetrating the dielectric substrate, and an annular microfluidic channel packaged with a magnetic liquid metal column, respectively. Different modes can be excited by means of manipulating the length of the magnetic liquid metal column in the microfluidic channel, thus realizing the switching between radiation frequency bands; an antenna directivity pattern is reconfigured by means of manipulating the position of the magnetic liquid metal column; the microfluidic antenna involves main beam switching in a total of ten azimuthal planes within three bands of 5.98-6.10 GHz, 6.08-6.23 GHz and 6.85-7.47 GHz, and the maximum gain values in the states of the three bands are 8.5 dB, 7.4 dB and 8.1 dB, respectively; and the front-to-back ratios are 13 dB, 17 dB and 16 dB, respectively. The present invention has the characteristics of a simple structure, easy integration, a good performance, no introduction of extra distortion, low noise, a high-power operation capability and flexible application.

A measuring device (10) for determining the position of a component (226) in a system (200) comprises a radiation generator (24) configured to generate a measuring radiation (22e) with at least two discrete radiation frequencies (36; 136), which are selected comb frequencies (38) of a frequency comb structure (37), wherein the frequency comb structure is defined by at least two comb parameters, of which the first comb parameter comprises a uniform frequency spacing (42) of the comb frequencies and the second comb parameter comprises a frequency offset of the frequency comb structure from a reference frequency, an optical resonator (16) comprising resonator frequencies (17) and a measuring target (14) assigned to the component and configured to measure distances by irradiating the measuring target with the measuring radiation, and a coupling module (32),which is configured to couple the at least two discrete radiation frequencies to two of the resonator frequencies and for this purpose comprises a radiation detector (50) for detecting a radiation sample (22r) of the measuring radiation branched off from the optical resonator and a control device (54), wherein the control device (54) is configured to generate a control signal (56) for the radiation generator from the radiation sample detected by the radiation detector, which control signal comprises a specification (42v) for at least one of the comb parameters.

The invention belongs to the technical field of electromagnetic environment monitoring, and discloses an intelligent automobile electromagnetic radiation evaluation method and a related device, and the method comprises the steps: obtaining an electromagnetic index value of each monitoring point in an intelligent automobile under each radiation source, and obtaining a comprehensive electromagnetic index value of each monitoring point in each frequency band according to the electromagnetic index value of each monitoring point under each radiation source; wherein the electromagnetic index values comprise electric field intensity, magnetic field intensity and energy flow density; and obtaining the electromagnetic tolerance time of each monitoring point according to the comprehensive electromagnetic index value of each monitoring point in each frequency band in combination with the electromagnetic index value safety limit value of each frequency band based on the electromagnetic safety constraint. Based on introduction of electromagnetic tolerance time, factors of radiation frequency, intensity and duration are comprehensively considered for a plurality of radiation sources in different frequency bands in the intelligent automobile, the comprehensiveness and accuracy of evaluation are effectively improved, the method can be flexibly applied to a complex electromagnetic environment of the intelligent automobile, and a scientific basis is provided for electromagnetic safety protection of the intelligent automobile.

A wearable virtual retinal display (VRD) device configured to be worn by a person comprises a spectacle-like frame puttable on a head of said person; said spectacle-like frame carrying following elements disposed along a laser beam: (a) a laser light source configured for generating said laser beam at at least one radiation frequency; (b) a microelectromechanical system (MEMS) configured for scanning said laser beam forming a laser radiation pattern to be projected to a person's retina; (c) a lens; (d) a selective reflector positionable in front of a person's eye. The selective reflector is configured for reflecting laser radiation at the at least one frequency. The selective reflector has a piecewise-smooth reflective surface comprising a plurality of curvilinear selective reflecting elements, which in cooperation with said lens are configured for directing said laser radiation pattern onto a person's retina; said laser radiation pattern being scanned by said MEMS forms an image of an object of interest on said person's retina.

The embodiment of the utility model relates to the technical field of communication, and discloses an antenna and communication equipment, and the antenna comprises a base material layer, a line layer, a feed assembly and a grounding layer. The base material layer comprises a first surface and a second surface which are oppositely arranged, the circuit layer is arranged on the first surface, the circuit layer is provided with a slot, the slot divides the circuit layer to obtain a first radiation unit and a second radiation unit, the first radiation unit is connected with the second radiation unit, and the first radiation unit is connected with the second radiation unit. The radiation frequencies of the first radiation unit and the second radiation unit are different, the feed assembly is connected with the line layer, and the grounding layer is arranged on the second surface. By means of the mode, high-frequency and low-frequency signals can be radiated, and the purpose of miniaturization is achieved while signal transmission of multiple frequency bands is achieved.

The utility model provides a high-performance high-frequency antenna and a mobile terminal device, the high-performance high-frequency antenna comprises a first radiation branch knot and a second radiation branch knot, the second radiation branch knot and the first radiation branch knot are mutually coupled and connected, the second radiation branch knot is suspended beside the first radiation branch knot, and the second radiation branch knot is suspended beside the first radiation branch knot. The second radiation branch knot is coupled with the first radiation branch knot in a suspension manner, the second radiation branch knot comprises a first suspension branch knot and a second suspension branch knot, the first suspension branch knot is perpendicular to the second suspension branch knot, and the first suspension branch knot is coupled with the first radiation branch knot to form a first gap; the second suspension branch knot and the first radiation branch knot are coupled to form a second gap. The high-performance high-frequency antenna not only can simplify the overall routing design of the antenna, but also can effectively broaden the overall radiation frequency band of the antenna and effectively improve the radiation efficiency of the antenna.

The application discloses a PET plastic modification method and application of modified PET plastic in asphalt modification, and relates to the technical field of road engineering materials.The PET modification method comprises the following steps: (1) PET is subjected to microwave radiation treatment to realize PET depolymerization, and PET oligomer is obtained; and (2) soybean oil is subjected to grafting reaction with the PET oligomer to obtain grafted modified PET; the microwave radiation treatment is carried out under normal pressure, the radiation frequency is 2.45 GHz, and the radiation temperature is 200-300 DEG C.The PET is subjected to depolymerization by using the microwave depolymerization technology, the efficient depolymerization of the PET can be realized under normal pressure in a very short time of 2-10 min, then the PET after the microwave depolymerization is subjected to grafting modification by using soybean oil as raw material, the waste soybean oil raw material can be used, the resource utilization of the waste soybean oil raw material is realized, and the problems of phase separation and performance degradation of the PET modified asphalt material are solved.

The utility model relates to an antenna assembly and electronic equipment, and the antenna assembly comprises a first antenna. And a first feed source. And the first feed power supply is electrically connected with the first antenna through the matching circuit, and the matching circuit is used for adjusting the radiation frequency band of the first antenna. And the energy storage circuit is connected with at least one branch circuit of the matching circuit in parallel. The matching circuit realizes the adjustment of the radiation frequency band through the on-off of the switch control circuit, and the energy storage circuit is connected with the matching circuit in parallel, so that the first feed power supply not only can be electrically connected with the first antenna through the matching circuit, but also can be electrically connected with the first antenna through the energy storage circuit all the time, and therefore, at the switching moment of the matching circuit, the radiation frequency band can be adjusted. As the first feed power supply is still electrically connected with the first antenna through the energy storage circuit, the first feed power supply and the first antenna are not in a disconnected state, and the influence on an electric field measurement standing network and user experience caused by switching loss in the switching process is effectively avoided.

The invention belongs to the technical field of integrated circuits, and particularly relates to a current mode logic frequency divider applied to a satellite-borne wireless communication system. The circuit structure of the frequency divider comprises an anti-radiation frequency divider core circuit, a power detection circuit, an analog-to-digital converter and a control module circuit, an input signal is input to the anti-radiation frequency divider core circuit, and an output signal is generated and output to the power detection circuit. The power detection circuit processes the received signal, outputs a processing result to the analog-to-digital converter, receives an instruction of the control module circuit and generates an output signal of the whole circuit; the analog-to-digital converter converts a processing result output by the power detection circuit into a digital signal and outputs the digital signal to the control module circuit; the control module circuit performs judgment according to an input digital signal, generates a control signal for controlling the working mode of the anti-radiation frequency divider core circuit, and generates a control signal for controlling the power detection circuit and the analog-to-digital converter; the radiation-proof frequency divider core circuit is composed of two identical current mode logic frequency dividers and six numerical control single-pole double-throw switches. Switching of the two paths of frequency divider circuits is controlled by the numerical control switch, and by applying the structure, the circuit failure probability caused by space irradiation can be remarkably reduced, and the anti-irradiation performance and the stability of the circuit are improved.

Optical amplification apparatus comprising a protection device (1) for protecting an optical amplifier receiving as input radiations to be amplified having a plurality of components at different frequency, comprising: - generation means (2) for generating a fundamental radiation at a fundamental frequency ω0; - at least one phase modulator (M) at frequency ωM, separate with respect to the generation means (2) or forming part of the same generation means (2), configured to receive as input said fundamental radiation and to generate as output a modulated radiation to be amplified with respect to the fundamental radiation and comprising superimposed components having frequencies ω0, ω0 + ωM and ω0 - ωM; - generation means (3) for generating a reference radiation at a reference frequency ω1 configured to generate said reference radiation at a reference frequency ω1 other than ω0 or at a frequency ω1 equal to ω0 but controlling the relative phase; - superposition means (V) for superimposing the modulated radiation on said reference radiation in order to generate a superimposed radiation; an electronic detection and control system (4) configured to detect, in said superimposed radiation, an abnormal condition corresponding to the absence of the components at frequency ω0 - ωM - ω1 or ωM + ω1.

The invention discloses a modification method of PET plastic and application of the modified PET plastic in asphalt modification, and relates to the technical field of road engineering materials. The PET modification method comprises the following steps: (1) carrying out microwave radiation treatment on PET to realize PET depolymerization so as to obtain a PET oligomer; (2) carrying out grafting reaction on soybean oil and the PET oligomer to obtain grafted modified PET; the condition of microwave radiation treatment is normal pressure, the radiation frequency is 2.45 GHz, and the radiation temperature is 200-300 DEG C. According to the invention, PET is depolymerized by using a microwave depolymerization technology, efficient depolymerization of PET can be realized in an extremely short time of 2-10 min under a normal pressure condition, then the microwave depolymerized PET is subjected to graft modification by using soybean oil as a raw material, the waste soybean oil can be used as a raw material, resource utilization of the waste soybean oil is realized, and the problems of phase splitting and performance degradation of a PET modified asphalt material are solved.

The application provides an implantable medical device, which comprises a metal shell, a circuit board, an antenna and at least one connecting structure. The connecting structure connects a radio frequency ground of the circuit board and a connecting point of the metal shell to change electromagnetic characteristics of the metal shell, the distance between the connecting point and an antenna hole is m, the extension path length of the connecting structure between the connecting point and the radio frequency ground is n, the working wavelength of the antenna is lambda, and m+n<=0.2lambda, so that the radiation frequency of the metal shell is far away from the working frequency of the antenna, the radiation of the metal shell to the antenna is reduced, the loss of the electromagnetic wave energy radiated by the metal shell to the antenna is reduced, and the radiation efficiency of the antenna is improved.

The invention relates to an accessory and electronic equipment. The accessory comprises a shell, an opening for exposing the camera is formed in the shell, a part, located on the peripheral side of the opening, of the shell is provided with a first radiator, the first radiator is configured to be coupled with an antenna arranged on the camera decorating part, the current direction of the first radiator is consistent with the current direction of the antenna, and in the thickness direction of the accessory, the thickness direction of the first radiator is larger than that of the antenna. The shortest distance between the first radiator and the antenna is smaller than one eighth of the wavelength of the radiation frequency band of the antenna. According to the setting of the invention, when the accessory disclosed by the invention is arranged on the light incident side of the camera of the electronic equipment, the signal of the antenna can be enhanced while the related functions of the accessory are realized, and the use experience of a user is improved.

The utility model discloses a double-interface radio frequency antenna structure, and relates to the technical field of double-interface radio frequency antenna structures, the double-interface radio frequency antenna structure comprises a card box, an upper cover is arranged above the card box, two ends of the upper cover are provided with bayonets, the card box is provided with a working assembly used for receiving working signals, the working assembly comprises an inner groove and an electric plate, and the electric plate is provided with an outer groove. The inner groove is located in the card box, the electric plate is fixedly connected in the inner groove, an antenna is arranged on the electric plate, a chip and a 6PIN contact point are arranged at the left end of the electric plate, and fixing assemblies are arranged at the two ends of the card box and used for fixing the card box and the upper cover. The hook heads on the two sides are extruded, the hook heads drive the clamping blocks and the connecting blocks to extrude the springs, the clamping blocks are extruded together, the upper cover is opened, the radio frequency antenna structure is convenient to maintain or replace, practicability is high, and use is convenient.

The invention provides a multi-frequency common antenna which comprises an antenna substrate, a V-shaped extension part and an L-shaped extension part are arranged on the left side and the right side of the antenna substrate respectively, and an ultra-low frequency radiation branch is arranged on a vertical branch knot of the L-shaped extension part; a high-frequency radiation branch is arranged on a lower branch knot of the V-shaped extension part, a low-frequency radiation branch is arranged on an upper branch knot of the V-shaped extension part, and a first resonance branch, an intermediate-frequency radiation branch and a second resonance branch are arranged on a transverse branch knot of the L-shaped extension part at intervals; the high-frequency radiation branch and the intermediate-frequency radiation branch are connected and connected to a first feeding point and a grounding point, and the two ends of the first resonance branch are connected with the right end of the low-frequency radiation branch and the right end of the intermediate-frequency radiation branch respectively; and two ends of the second resonance branch are respectively connected with a first feeding point on the antenna substrate and the ultra-low frequency radiation branch. The multi-frequency common-body antenna realizes full coverage of high-frequency, intermediate-frequency, low-frequency and ultralow-frequency radiation frequencies.

An apparatus and method for improving microcirculation by suppressing and cancelling the negative effects of electromagnetic radiation from cellular phones and computers connected to wireless networks on microcirculation. The apparatus generates frequencies that are synchronized and in opposed amplitudes to the detected electromagnetic radiation frequencies, thereby suppressing and cancelling the negative effects of the electromagnetic radiation frequencies on microcirculation.

The invention discloses a packaging shielding structure design method and a semiconductor packaging shielding structure, and the design method comprises the steps: building a simulation model of a patch antenna, and simulating a field intensity radiation pattern of the simulation model to obtain a radiation frequency point of the patch antenna; the current distribution diagram of the inner surface of the metal cover at the radiation frequency point is observed, so that an auxiliary groove is formed to form a new patch antenna; establishing a new simulation model of the patch antenna and simulating a field intensity radiation pattern of the patch antenna to obtain a radiation frequency point of the new patch antenna; judging whether the radiation frequency point of the patch antenna is far away from the main frequency of the semiconductor component, if so, determining the position and size of the current auxiliary slot as the design result output, and if not, adjusting the position and size of the auxiliary slot, or adding a new auxiliary slot. And repeating the simulation steps until the radiation frequency point of the patch antenna is far away from the main frequency of the semiconductor assembly. The electromagnetic radiation of the semiconductor packaging shielding structure is reduced on the premise of low cost, and the EMC performance is optimized.

The invention provides a terahertz functional device based on a silicon-based all-dielectric, and belongs to the field of terahertz communication. The device aims to realize efficient electromagnetic wave active radiation through a controllable leaky-wave mechanism, so that the terahertz device is called a leaky-wave antenna for short. The device is composed of a photonic crystal waveguide, a periodic radiation structure and a radiation suppression layer. The overall structure is designed based on the hexagonal lattice photonic crystal, and electromagnetic wave energy can be effectively bound in the waveguide transmission line. A periodic groove is etched above a waveguide transmission line, so that energy transmitted by a waveguide is radiated to a free space at a specific angle, and a directional radiation wave beam is formed. The effective radiation frequency band of the leaky-wave antenna is a terahertz frequency band, the relative bandwidth can reach 22%, and the leaky-wave antenna belongs to a broadband radiation device. The antenna has the advantages of being small in size and capable of achieving wide-angle beam scanning and ultra-wideband detection, the beam scanning function of the antenna can be used for achieving dynamic beam forming, the reliability of a communication link and the data transmission rate can be improved, and the antenna is suitable for various application scenes such as space optical communication and biological sensing scanning.

The utility model provides a high-performance terminal antenna and a mobile terminal device, the high-performance terminal antenna comprises a first radiation antenna and a second radiation antenna, and the first radiation antenna and the second radiation antenna are mutually coupled and connected to form a coupling gap. The first radiating antenna comprises a first antenna branch knot, a second antenna branch knot, a third antenna branch knot and a feeding point which are connected in sequence, and the feeding point is electrically connected with the first antenna branch knot; the second radiating antenna comprises a grounding point and a fourth antenna branch knot, and the grounding point and the feeding point are arranged on the two sides of the coupling gap respectively. According to the high-performance terminal antenna of the utility model, not only can the main branches extending the radiation area be mutually coupled, but also the overall radiation frequency and radiation efficiency of the antenna can be effectively improved.

An antenna structure includes a housing, a first feed source, a second feed source, and a resonance circuit. The housing includes a first and a second radiator spaced to each other and grounded. The first feed source feeds current into the first radiator to activate a first mode, a second mode, and a third mode to generate radiation signals in a first frequency band, a second frequency band, and a third frequency band. The second feed source feeds current into the second radiator to activate a fourth mode to generate radiation signals in a fourth frequency band. The resonance circuit adjusts a radiation frequency band of the second radiator according to an impedance of the resonance circuit. The first radiator adjusts the third mode according to the radiation frequency band of the second radiator. A wireless communication device employing the antenna structure is also provided.

The invention discloses a chip transmission signal amplification method and system, and relates to the technical field of intelligent chips and signal transmission. Signal adjustment information of the chip is generated by identifying signal characteristics of a to-be-transmitted signal of the chip and an environment signal of an environment where the chip is located, and the signal adjustment information is used for adjusting a signal radiation parameter of the chip. The radiation frequency and the radiation wave band of the chip are different from the radiation frequency and the radiation wave band of each interference signal in the environment and do not cancel each other, so that the interference of the interference signal in the environment on the radiation signal of the chip is greatly reduced, and then the signal distribution information of the environment signal is identified. Therefore, a signal transmission channel is established in the direction where the number of interference signals is small and the intensity of the interference signals is weak, interference of environment signals on radiation signals is further reduced, transmission loss and transmission interference of the chip radiation signals in the current environment are reduced to the minimum degree, and the reliability of the chip radiation signals is improved. Therefore, the signal strength improvement degree of the chip is comprehensively improved.

The invention provides an antenna structure and electronic equipment with the antenna structure, the antenna structure comprises a substrate, a first radiation part, a second radiation part, an antenna module, a metal grounding part and a metal power line, the first radiation part is composed of a part of metal frame of the electronic equipment, and the first radiation part and the second radiation part jointly excite a first radiation frequency band; the antenna module is used for exciting a second radiation frequency band; projections of the metal power line and the metal grounding part in the preset direction are at least partially overlapped, the metal power line and the metal grounding part are at a preset distance in the preset direction, and the antenna module is also used for exciting a third radiation frequency band together with the metal power line. Therefore, the antenna structure can excite a plurality of radiation frequency bands without additionally arranging an antenna module for radiating a plurality of frequency bands, so that the bandwidth range of the antenna structure is effectively expanded, the space of the electronic equipment can be saved, the space utilization rate of the electronic equipment is improved, and the antenna structure with relatively wide bandwidth is arranged in a limited space.

The present disclosure provides a display panel, and belongs to the field of display technology. The display panel includes a display module and an antenna module located on a side of a display surface of the display module; the antenna module includes an antenna unit; the antenna unit includes a dielectric substrate, a radiation structure arranged on the dielectric substrate, a first feed line and a second feed line, the first feed line and the second feed line feed the radiation structure and are electrically connected with the radiation structure, and feeding directions of the first feed line and the second feed line are different; the radiation structure includes radiation patches for at least two radiation frequency bands, and the radiation patches are electrically connected.

The invention relates to an antenna combination and terminal equipment. The antenna combination comprises a first antenna; a second antenna; the parasitic branch knot is arranged between the first antenna and the second antenna, the length of the parasitic branch knot is arranged in a preset range, the parasitic branch knot is used for enhancing the aperture of the first antenna and the aperture of the second antenna, and the preset range is related to the radiation frequency of the first antenna and the radiation frequency of the second antenna. According to the invention, the parasitic branch knot is arranged between the two antennas, and the length of the parasitic branch knot is reasonably configured according to the radiation frequencies of the two antennas, so that the calibers of the two antennas can be respectively enhanced, that is, the two antennas share the parasitic branch knot to enhance the calibers, and the radiation capability is improved; according to the antenna combination, the radiation capability of the antenna formed by the limited middle frame of the terminal equipment can be enhanced, so that the communication effect of the terminal equipment is improved.

The invention relates to an antenna assembly and electronic equipment. The antenna assembly comprises an antenna, the antenna comprises an antenna radiator, the length of the antenna radiator is greater than a quarter wavelength of a radiation frequency band of the antenna, and the antenna is provided with a plurality of channels; and the matching circuit comprises an adjusting module, and the antenna is respectively matched with different channels in the same frequency band according to different load values of the adjusting module. The matching circuit of the antenna assembly comprises the adjusting module, and according to different load values of the adjusting module, the antenna is matched with different channels in the same frequency band. Through the arrangement, each channel can be tuned, so that more channels can be tuned in one frequency band, and the channel performance can be better due to the matching of a single channel.

The application provides an antenna structure applied to an electronic device including a first shell, a second shell and a hinge. The first shell and the second shell are rotatably connected through the hinge. The antenna structure is accommodated in any one of the first shell or the second shell. The antenna structure includes a feed-in part, a first radiation part and at least one grounding end. One end of the first radiation part is connected to the feed-in part, and the other end of the first radiation part has a spacing with the hinge. The first radiation part feeds in a current through the feed-in part, conducts the current and couples the current to the hinge, so as to excite at least one working mode to generate at least one radiation frequency band of a radiation signal. The application also provides an electronic device with the antenna structure.

In one aspect, a method of sorting cells in a flow cytometry system is disclosed, which includes illuminating a cell with radiation having at least two optical frequencies shifted from one another by a radiofrequency to elicit fluorescent radiation from the cell, detecting the fluorescent radiation to generate temporal fluorescence data, and processing the temporal fluorescence data to arrive at a sorting decision regarding the cell without generating an image (i.e., a pixel-by-pixel image) of the cell based on the fluorescence data. In other words, while the fluorescence data can contain image data that would allow generating a pixel-by-pixel fluorescence intensity map, the method arrives at the sorting decision without generating such a map. In some cases, the sorting decision can be made with a latency less than about 100 microseconds. In some embodiments, the above method of sorting cells can have a sub-cellular resolution, e.g., the sorting decision can be based on characteristics of a component of the cell. In some embodiments in which more than two frequency-shifted optical frequencies are employed, a single radiofrequency shift is employed to separate the optical frequencies while in other such embodiments a plurality of different radiofrequency shifts are employed.

An electromagnetic radiation frequency, or equivalent wavelength, converter, the converter including a nonlinear optical component or part having or consisting of a predetermined nonlinear optical material, and a guiding module. The guiding module has a predetermined geometry defining or controlling an effective refractive index of the guiding module, and is configured to receive and guide pump light resulting in a guided pump beam. The nonlinear component or part is bonded with or joined to the guiding module. The bonding is configured to allow at least a part of the guided pump beam to overlap and / or evanescently couple into the nonlinear optical material, and the nonlinear optical component or part is configured to convert the guided pump beam in the nonlinear optical material to an un-guided signal mode radiated as an output light signal at a different frequency or an equivalent wavelength.

The invention provides an antenna module, an antenna assembly and electronic equipment, the antenna module comprises a first antenna, a second antenna, a feed network layer and a reflecting plate, the first antenna, the second antenna, the feed network layer and the reflecting plate are stacked in sequence and are arranged at intervals, the feed network layer is electrically connected with the second antenna and the first antenna, the radiation frequency band of the first antenna is smaller than that of the second antenna, and the first antenna is a hollow antenna. Thus, because the first antenna is a hollow antenna, the radiation signal of the second antenna can directly transmit the first antenna, thereby reducing the blocking of the radiation signal of the second antenna by the first antenna, reducing the interference between the radiation signals of different frequency bands radiated by the first antenna and the second antenna, and improving the communication performance of the antenna module.