791 results about "Transmission loss" patented technology

The invention relates to the technical field of high-frequency multichannel synchronous transmission, in particular to a time domain reflection compensation design method for high-frequency signal transmission loss, which comprises the following steps of: 1, responding to a synchronous trigger signal to generate an active reflection reference signal with a determined time domain position; 2, aligning time marks between channels through cross-correlation operation; 3, extracting a reflection feature template of the channel from the alignment signal, and recognizing and eliminating crosstalk components through convolution operation with an adjacent channel template; 4, constructing a time-varying transfer function model according to the amplitude envelope attenuation characteristic and the carrier phase jump characteristic of the reflection characteristic template; and 5, generating a compensation filter based on the time-varying transfer function model, and verifying the compensation effect through secondary reflection. Through cross-correlation operation, accurate alignment of multi-channel signal time scales is realized, the time delay difference between different transmission channels is overcome, signal synchronization of each channel is ensured, and the beam forming precision is improved.

The invention provides a low-orbit satellite communication terminal network performance dynamic tuning method and system, and relates to the technical field of low-orbit satellite communication. Comprehensive data such as relative movement of a satellite and a terminal and signal transmission loss are acquired; preprocessing the integrated data, inputting the preprocessed integrated data into a time sequence prediction model containing LSTM and Transform, generating a signal quality and intensity index sequence and a link stability level in a future preset time window, and carrying out dynamic optimization based on the generated indexes, including adjusting a terminal modulation mode according to the signal quality; combining the link stability and the signal strength to aggregate the link, and optimizing the switching opportunity and path; allocating resources according to the signal strength and the service characteristics; and optimizing the energy consumption according to the relative motion and the business characteristics. Through accurate prediction and multi-dimensional adjustment and optimization, the communication efficiency and reliability of the low-orbit satellite communication terminal network are improved, energy consumption and delay are reduced, and good communication quality is guaranteed.

The invention provides a bent waveguide structure, an electro-optical modulator and a light quantum computer, and relates to the technical field of electro-optical modulation.The bent waveguide structure comprises an input waveguide, a bent waveguide and an output waveguide which are sequentially connected, and the bent waveguide comprises a substrate transmission waveguide layer, an input coupling part and an output coupling part; the input coupling part and the output coupling part are arranged at the two ends of the substrate transmission waveguide layer respectively, a shallow etching groove is formed between the input coupling part and the output coupling part, the input coupling part is connected with the input waveguide, and the output coupling part is connected with the output waveguide. Compared with the prior art, the shallow etching groove is formed between the input coupling part and the output coupling part, so that the thickness of the waveguide film at the bending part is reduced to ensure that the substrate transmission waveguide layer is of a single-mode structure, the transmission loss is reduced, and the bending waveguide is relatively independent from the input waveguide and the output waveguide, so that the transmission efficiency is improved. Therefore, the process precision of the bent waveguide can be independently adjusted, the process time is reduced, and the efficiency is improved.

The invention discloses a single-groove type photonic crystal fiber sensor based on surface plasma resonance. The single-groove type photonic crystal fiber sensor structurally comprises a fiber core and a perfect matching layer wrapping the fiber core, and circular air holes which are arranged periodically and are different in size are formed in the fiber core; the fiber core is provided with a groove channel, and the lower surface of the groove channel is coated with a gold film and a titanium dioxide film. A loss spectrum is obtained through calculation, and then the wavelength of the surface plasma formant and the sensitivity of the sensor are calculated. The refractive indexes of the to-be-detected analysis liquid sample are different, and the wavelengths of the resonance peaks of the transmission loss spectrum are also different. The refractive index range of a to-be-detected analysis liquid sample of the sensor is 1.39-1.4, the sensitivity of 11000 nm / RIU and the resolution of 9.09 * 10 <-6 > RIU can be obtained, the sensitivity and the resolution of the sensor are superior to those of an existing sensor, and the sensor is simple in structure and easy to operate and has great application prospects in the fields of biosensing, environmental monitoring and the like.

The invention provides a transient voltage stability control method and system based on transmission and distribution cooperation. The method comprises the following steps: constructing a power distribution network reactive power support capability quantification model; quantizing a reactive power support capability boundary in real time by solving a power distribution network reactive power support capability quantification model, and determining a reactive power support power feasible region capable of being provided; and based on a quantitative evaluation result, dynamically adjusting a reactive power interaction value between the power transmission and distribution networks by adopting an improved droop control strategy, and realizing power transmission network transient voltage stability control based on active support of the power distribution network. Power distribution is carried out according to the dynamic reactive power margin of the reactive power regulation equipment by considering the transient voltage support requirement of the power transmission network and the reactive power transmission loss of the power distribution network; and obtaining a reactive power regulation instruction, and coordinating reactive power resources at the power distribution network side according to transient voltage stability control and power distribution of the power transmission network to realize cooperative control. Based on the method, the invention further provides a transient voltage stability control system based on transmission and distribution cooperation. The optimal transient voltage support is provided for the power transmission network.

The invention discloses a circuit board printing control method and system based on signal transmission loss. And obtaining a target differential transmission line parameter and a circuit board lamination parameter. And establishing an electromagnetic simulation model, and simulating insertion loss, return loss and impedance discontinuous point distribution. The line width, the line spacing and the interlayer hollowed-out area of the differential transmission line are dynamically adjusted through the reinforcement learning model, the proportion of the line width to the shielding layer spacing is limited by a preset critical value, and the line spacing is configured based on the multiple relation of the shielding layer spacing. And a sectional optimization strategy is adopted for the corners of the transmission line. The ratio of the aperture to the diameter of the anti-pad is optimized, and impedance mutation is reduced. According to the method, the key parameters of the target differential transmission line and the circuit board lamination parameters are acquired, and the electromagnetic simulation model is combined with the multi-physical field coupling algorithm, so that the insertion loss, the return loss and the impedance discontinuous point distribution can be accurately simulated. The method improves the adjustment efficiency, guarantees the accuracy of an adjustment result, and effectively reduces the signal transmission loss.

The invention provides a continuous depth gradually-changing grating structure based on a silicon carbide substrate and a preparation method thereof. The preparation method comprises the following steps: forming a sacrificial layer with gradually-changing thickness on the silicon carbide substrate; etching is carried out by adopting a two-step plasma etching process; and polishing the surface through a plasma polishing process. According to the invention, the gradient sacrificial layer is combined with two-step plasma etching, and a high-precision continuous depth gradient grating structure is realized on the silicon carbide substrate, so that the diffraction requirements of RGB three-color wavelengths are met; the micro-groove defect in the etching process is eliminated, the problem that the depth-to-width ratio and the surface quality cannot be considered in the traditional process is solved, and a key technical support is provided for mass production of the single-layer full-color optical waveguide; the transmission loss of the optical waveguide is reduced by controlling the surface roughness; and the product yield is improved, the production cost is reduced, and the method is suitable for large-scale production.

The invention provides an electrolytic copper foil which is at least provided with a low-roughness surface, copper nodules on the low-roughness surface are rod-shaped protrusions and / or granular protrusions, the distance between every two adjacent protrusions ranges from 10 nm to 650 nm, the height of the copper nodules of the rod-shaped protrusions ranges from 300 nm to 800 nm, and the height of the copper nodules of the granular protrusions ranges from 80 nm to 250 nm. And the number of the rod-shaped bulge copper nodules and / or the granular bulges is 50-150 in every 25 mu m < 2 > of the area of the low-roughness surface. The invention further provides a preparation method and application of the electrolytic copper foil. The electrolytic copper foil provided by the invention has a low-roughness surface, so that the signal integrity of the copper foil substrate is improved, the problem of large signal transmission loss in the prior art is solved, the peeling strength between the copper foil and the substrate is improved, and the defect of insufficient peeling strength in the prior art is overcome.

The invention discloses a hydropower line economic dispatching and load collaborative optimization system and method, and relates to the technical field of hydropower dispatching, and the system comprises a data collection module which is used for collecting hydropower station unit water consumption characteristic curve data, power grid real-time load demand data, reservoir water level dynamic data and unit vibration area constraint data; the model construction module is used for preprocessing the data acquired by the data acquisition module and constructing a multi-target optimization model with the minimum total water consumption and the minimum line transmission loss as targets in combination with constraint conditions; the improved optimization module is used for receiving the target function and the constraint condition output by the multi-target optimization model module and dynamically calculating the optimal load distribution scheme of each unit; and the result output module is used for receiving the optimal load distribution scheme output by the improvement and optimization module and realizing visual output and decision assistance of the scheme. The problem that a traditional scheduling scheme is low in traditional scheduling decision-making efficiency is solved, and the scheduling decision-making efficiency and engineering practicability are improved.

An antenna, an antenna assembly, and a base station includes a radome, a first antenna portion, and a second antenna portion. The first antenna portion is disposed inside the radome, and the second antenna portion is coupled to the first antenna portion, disposed outside the radome, and exposed to a surrounding environment. In this way, the radome does not need to cover the entire antenna, but covers only a portion of the antenna. Therefore, a wind load acting on a support structure by using the radome can be reduced. In addition, a cavity is provided to accommodate transmission lines of the antenna together, so that use of a connecting device such as a jumper can be reduced or even avoided, to reduce a transmission loss of the antenna.

The invention relates to the technical field of optical cable monitoring, and discloses an intelligent optical cable monitoring system and method. The method comprises the following steps: firstly, acquiring an optical fiber transmission loss value and a temperature fluctuation value of an optical cable laying environment at each monitoring moment; dividing the monitoring parameters into stable parameters and fluctuation parameters according to the transmission loss values at the plurality of monitoring moments; for the stable parameters, a reference fluctuation interval of the stable parameters is obtained according to the transmission loss values at all moments, and for the fluctuation parameters, the reference fluctuation interval of the fluctuation parameters is obtained by combining the temperature fluctuation values and the transmission loss values at all moments; and then judging whether the transmission loss value of each monitoring parameter at the current moment accords with the corresponding reference fluctuation interval, if so, taking the current transmission loss value and the temperature fluctuation value as an optical cable state monitoring data source, and if not, selecting corrected data in the reference fluctuation interval as the optical cable state monitoring data source. The method can judge the transmission loss of the optical cable more practically, and guarantees the effectiveness of a monitoring data source.

The invention discloses a tripping structure and a circuit breaker, and relates to the low-voltage electrical technical field. The tripping structure comprises a pushing piece, a thermal tripping piece and an electromagnetic tripping assembly, wherein the thermal tripping piece and the electromagnetic tripping assembly are respectively matched with the pushing piece; the pushing piece comprises a first driving surface and a second driving surface which are arranged at an interval; the electromagnetic tripping assembly comprises a push rod; the deformation end of the thermal tripping piece is arranged on one side, deviating from the second driving surface, of the first driving surface; the deformation end of the push rod and the deformation end of the thermal tripping piece independently drive the pushing piece to move through the first driving face, and the second driving face is used for driving the operating mechanism to unlock. According to the tripping structure, through the position arrangement of the pushing piece, the driving force of the thermal tripping piece and the electromagnetic tripping assembly can be directly transmitted to the operating mechanism through the pushing piece, and compared with the existing two-stage transmission arrangement, the tripping structure provided by the invention has the advantages that the transmission links are reduced, the transmission loss is reduced, and the transmission efficiency of the driving force is improved.

The invention relates to the technical field of defect detection, and discloses a method for detecting defects of live cable equipment by using a high-frequency current detection method, which comprises the following steps of: exciting the live cable equipment to generate a high-frequency current signal, and judging the optimal frequency of the high-frequency current signal by adopting the minimum signal propagation loss; the method comprises the following steps: acquiring a current signal on cable equipment through a high-frequency current sensor, and performing multi-scale time-frequency analysis on the signal through wavelet packet transformation; carrying out noise reduction processing on the converted signal to remove an interference signal and extract a partial discharge signal; positioning the partial discharge signal based on the Bayesian theorem, and judging the position of a partial discharge source; and classifying the partial discharge signals by adopting a support vector machine. The excitation frequency of the high-frequency current signal enables the signal transmission loss to be minimized and the extraction efficiency of the partial discharge signal to be improved, and the signal transmission efficiency is improved in a complex cable environment, so that the defect detection precision and sensitivity are enhanced.

The invention relates to the technical field of special optical fibers, in particular to a polarization-maintaining hollow-core anti-resonance optical fiber which comprises an outer cladding, an inner cladding, a fiber core, a first-class anti-resonance unit and a second-class anti-resonance unit. The inner cladding is arranged in the outer cladding, and the fiber core, the first-class anti-resonance unit and the second-class anti-resonance unit are arranged in the inner cladding; the first-class anti-resonance unit does not comprise a coupling thin wall, the second-class anti-resonance unit is provided with a coupling thin wall close to the fiber core side, and the coupling thin walls are two thin walls which are extremely close to each other and are not in contact with each other. According to the invention, high birefringence and broadband low transmission loss can be realized at the same time.

A dual ring resonator including a base substrate, and a silicon oxide layer positioned on the base substrate having a first waveguide, a primary ring resonator optically coupled to the first waveguide, a second waveguide, and a secondary ring resonator optically coupled to the primary ring resonator and the second waveguide. The dual ring resonator further includes at least one heater disposed partially on the primary ring resonator, and a trench within at least the silicon oxide layer and surrounding at least a portion of the first waveguide and the second waveguide.

The invention provides a fixed-frequency beam scanning leaky-wave antenna and electronic equipment. The leaky-wave antenna comprises a first microstrip line and a second microstrip line, wherein the first microstrip line and the second microstrip line are used for transmitting radio frequency signals and are arranged at an interval; the N antenna units are connected to the first microstrip line and the second microstrip line, and each antenna unit comprises a first switch and a second switch; a first stub and a second stub, and an antenna. According to the technical scheme, the leaky-wave antenna is simple in structure, easy to process, high in expansibility and capable of reducing parasitism, transmission loss, element loss and the like.

The invention provides a wave finite element and boundary element mixed composite board structure sound insulation performance prediction method, and the method belongs to the acoustics field, and comprises the steps: carrying out the post-processing of a wave finite element model based on the wave finite element model of a composite board structure and a corresponding equivalent nodal force, and obtaining the wave finite element equation of the whole composite board structure; based on a sound-structure coupling equation, through a boundary element method, a discrete boundary element equation related to the surface vibration speed of the composite board and the radiation sound wave pressure is constructed; coupling the wave finite element equation and the discrete boundary element equation of the whole composite board structure, and determining the sound pressure of radiation sound waves of the composite board structure and the surface vibration speed of the composite board; and based on the sound pressure of the radiation sound wave of the composite board structure and the surface vibration speed of the composite board, obtaining a sound insulation performance prediction result by calculating the sound power of the incident sound wave and the radiation sound wave, and completing prediction of the sound insulation performance of the composite board structure. The problems that the sound transmission loss of large plates and medium-high frequency plates is difficult to predict and the calculation cost is high are solved.

The invention relates to an ultralow-loss hollow-core anti-resonance optical fiber with a birefringence structure, which comprises an outer cladding and an inner cladding, the inner cladding is composed of anti-resonance structure units, the anti-resonance structure units are arranged along the circumferential direction of the inner wall of the outer cladding and are connected with the inner wall of the outer cladding, the inner cladding comprises four anti-resonance structure units, and the anti-resonance structure units are arranged along the circumferential direction of the inner wall of the outer cladding and are connected with the inner wall of the outer cladding. The four anti-resonance structure units are evenly distributed at intervals in the circumferential direction and comprise two long-axis anti-resonance structure units and two short-axis anti-resonance structure units, the two long-axis anti-resonance structure units are symmetrically arranged on the two sides of the inner wall of the outer cladding layer, and the two short-axis anti-resonance structure units are symmetrically arranged on the other two sides of the inner wall of the outer cladding layer. A central cavity wrapped by an inner wrapping layer formed by the four anti-resonance structure units forms an elliptical fiber core with a long axis and a short axis. According to the invention, the transmission loss can be reduced while the high birefringence performance is maintained, the shape of each part of the microstructure cladding is regular, and the preparation is convenient.

The invention relates to aluminum borosilicate glass with low dielectric constant and low dielectric loss and a preparation method and application thereof, and relates to the field of aluminum borosilicate glass manufacturing, the aluminum borosilicate glass comprises the following main components by molar percentage: 60%-85% of SiO2, 0-10% of Al2O3, 2%-30% of B2O3, 0-20% of alkaline earth oxide, 0-10% of alkali metal oxide, 0-10% of ZnO, 0-1% of P2O5 and 0-2% of TiO2 and / or ZrO2; during preparation, the raw materials are melted, clarified and homogenized according to the corresponding dosage, and then are annealed for 3-8 hours at the temperature of 600-650 DEG C. The obtained aluminum borosilicate glass can reduce transmission loss during high-frequency signal transmission, has dielectric constant stability which does not exceed + / -0.5 change under a 1-30 GHz signal test, and can be applied to preparation of integrated antennas, electronic packaging and micro electro mechanical system packaging.

The invention relates to a micro-ring resonator based on a multi-circle square structure, the micro-ring resonator comprises a coupling waveguide and a multi-circle square micro-ring resonant cavity, the coupling waveguide comprises an S-bend waveguide, an input waveguide and an output waveguide which are all single-mode waveguides, and the multi-circle square micro-ring resonant cavity comprises a crossed waveguide chain and a multi-mode waveguide section connected with the crossed waveguide chain. The multi-mode waveguide section comprises a multi-mode straight waveguide and a 90-degree multi-mode Euler bending waveguide. By introducing the multi-mode waveguide, the energy distribution of the guided mode on the side wall is reduced, and the transmission loss of the micro-ring resonant cavity is reduced. Through the arrangement of the multi-circle square micro-ring resonant cavity, the length of the micro-ring is increased within a limited size, and the Q value of the multi-circle square micro-ring resonant cavity is improved. By means of the 90-degree multimode Euler bending waveguide, compact 90-degree turning is achieved, generation of a high-order mode is restrained, and meanwhile the micro-ring surrounding area is increased. Therefore, a solution can be provided for the high-performance sensing unit for the integrated micro-ring sensor.

The invention provides an on-chip terahertz band-pass filter based on an artificial surface plasmon high-order mode, and the on-chip terahertz band-pass filter comprises a dielectric substrate, a feed microstrip line, a first transition structure, a short-branch artificial surface plasmon transmission region, a second transition structure, and a long-branch artificial surface plasmon transmission region. Feed microstrip lines are arranged at the two ends of the front face of the dielectric substrate respectively, each feed microstrip line is sequentially connected with a first transition structure, a short-branch artificial surface plasmon transmission area and a second transition structure, and a long-branch artificial surface plasmon transmission area is located in the middle of the front face of the dielectric substrate. Two ends of the long branch artificial surface plasmon transmission region are respectively connected with a second transition structure, and the whole back surface of the dielectric substrate is covered with a metal layer as a metal ground; the wide-stop-band microstrip antenna has the advantages of being wide in stop band, easy to machine, small in transmission loss and small in crosstalk, does not need punching operation, and is convenient to machine.

The present application provides a vertical power supply system. The vertical power supply system comprises a processor, a main board, and a vertical power circuit. The vertical power circuit comprises a PB carrier board and PB modules. The processor is connected to a first surface of the main board by means of a plurality of first fixing members, and the PB carrier board is connected to a second surface of the main board by means of a plurality of second fixing members. The plurality of second fixing members are in one-to-one correspondence with the plurality of first fixing members, and the second fixing members are connected to the first fixing members corresponding thereto by means of via holes in the main board. Each PB module is connected to the PB carrier board by means of a plurality of third fixing members, and the PB module is used for converting an input power source into a target power source. The target power source passes through the plurality of third fixing members, the PB carrier board, the plurality of second fixing members, the via holes in the main board, and the plurality of first fixing members to supply power to the processor. By means of the technical solution of the present application, transmission loss during power supply can be reduced, thereby achieving good heat dissipation for the power supply system.

The invention discloses a 5G signal-based repeater signal processing system and method, and belongs to the technical field of communication, and the method comprises the steps: obtaining the signal strength of a 5G signal received by a repeater, a transmission distance target value, a topographic sign value of a transmission destination, weather data of a transmission link, and state data of a signal transmission candidate frequency band; generating a signal transmission loss value according to the transmission distance target value of the 5G signal received by the repeater, the topographic sign value of the transmission destination and the weather data of the transmission link; generating a final gain demand prediction value of the 5G signal according to the signal transmission loss value and the signal strength of the 5G signal received by the repeater, and judging whether the 5G signal transmission needs frequency band switching; according to the state data of the signal transmission candidate frequency band, generating an optimal candidate frequency band, and processing the 5G signal; according to the invention, the gain compensation precision is improved, dynamic frequency band switching can be realized, the signal processing accuracy of the repeater is improved, and the poor user experience is optimized.

The invention discloses a polarization converter and a preparation method thereof. The polarization converter comprises a silicon dioxide substrate, a silicon core waveguide, a zinc oxide supporting layer, an asymmetric silver layer and a silicon dioxide substrate, the silicon core waveguide and the zinc oxide supporting layer are attached to the silicon dioxide substrate to form a substrate structure; the asymmetric silver layer is attached to the silicon dioxide substrate to form a silver film structure; the silver film structure is connected with the substrate structure through the zinc oxide supporting layer, and the asymmetric silver layer is located over the silicon core waveguide and does not make contact with the silicon core waveguide. Through a non-contact structure of the asymmetric silver layer and the silicon core waveguide, air is introduced as a low-refractive-index medium to construct a hollow mixed plasmon waveguide structure, so that the transmission loss is effectively reduced, and meanwhile, based on introduction of the asymmetric silver layer, the high integration level and the high conversion rate of the polarization converter are effectively guaranteed.

The invention discloses a port equipment green power system risk early warning method and system, and belongs to the technical field of risk assessment. Comprising the steps of collecting operation data related to new energy in a port equipment green power system; the method comprises the following steps of: constructing a risk map by taking port equipment as nodes and energy transmission and operation coordination relationships among the port equipment as edges, and endowing each node and each edge with characteristics by utilizing acquired operation data; constructing a graph convolutional network model, processing the risk graph data, and marking potential risk nodes; and calculating a risk level for the potential risk node, and implementing a layered alarm system. According to the invention, the limitation that a traditional method is only used for monitoring single equipment or single energy is overcome. And the collaborative operation intensity coefficient and the energy transmission loss coefficient between equipment in the port scene are considered in learning and analyzing the risk map in the graph convolutional network, so that the potential risk nodes can be identified more accurately, and the accuracy and reliability of risk identification are improved.

The invention discloses an optical engine with a multi-channel optical transceiver assembly and an optical module. The optical engine comprises a printed circuit board; the multi-channel light emitting assembly is arranged on the printed circuit board, and the multi-channel light emitting assembly comprises a wave combining Z-Block; the transmitting optical fiber is connected with the multi-channel light transmitting assembly; the multi-channel optical receiving assembly is arranged on the printed circuit board, and the multi-channel optical receiving assembly comprises a partial wave Z-Block and is used for carrying out partial wave processing on an input multiplexing optical signal to obtain optical signals of a plurality of optical channels; the receiving optical fiber is connected with the multi-channel optical receiving assembly and is used for inputting the multiplexing optical signal; and the fiber coiling frame is used for coiling the transmitting optical fiber and / or the receiving optical fiber. According to the optical module, low transmission loss, reliable optical fiber path management, optimized space utilization rate and simplified assembly process are realized, and the overall performance and reliability of the optical module are improved.

The invention relates to the technical field of temperature control, in particular to a multi-dimensional compensation ablation system temperature control system, method and device and a medium. The system calculates a medium texture index representing the structural change of the load medium by synchronously acquiring electrical parameters and ultrasonic image data; constructing an anti-interference control model comprising an extended state observer, and defining energy transmission loss caused by contact thermal resistance as an extended state variable; calculating an adaptive correction factor based on the texture index, dynamically correcting the state updating process of the observer to obtain an energy loss correction estimated value, and constructing a compensation control model to adjust the output power according to the energy loss correction estimated value; according to the invention, the technical problem of incomplete heating caused by false high temperature of the sensor and system misjudgment due to state deterioration of the contact interface is effectively solved; accurate reconstruction and closed-loop compensation of effective heat flow in a non-ideal contact environment are realized, sufficient energy penetration can still be maintained even if contact thermal resistance is sharply increased, and the integrity of an ablation area is guaranteed.

The invention provides a photoelectric chip common packaging piece, an optical communication module and a preparation method, the photoelectric chip common packaging piece comprises a carrier plate, an optical chip and an electric chip, one side of the carrier plate is provided with a mounting surface, the mounting surface is provided with an electric interconnection structure, the carrier plate is internally provided with a conductive through hole and an optical interconnection structure, and the conductive through hole is electrically connected with the electric interconnection structure; the optical chip and the electric chip are both arranged on the mounting surface of the carrier plate, the optical chip is electrically connected to the electric chip through an electric interconnection structure, one side, facing the mounting surface, of the optical chip comprises an optical device, and an optical signal emitted by the optical device penetrates through the carrier plate through the optical interconnection structure. Compared with the prior art, efficient conversion and transmission of optical signals and electric signals are achieved, the interconnection distance between chips is shortened to a large extent, signal transmission loss and delay are reduced, signal integrity is improved, and therefore reliable transmission of high-frequency signals is achieved.

The invention provides an antenna housing and a base station antenna. The radome can solve the problems that a traditional radome has obvious transmission loss and polarization mismatch during large-angle incidence, and the structural strength and the wave-transparent performance are difficult to consider at the same time. The antenna housing comprises a dielectric main body, at least one part of the dielectric main body is composed of a plurality of concave-convex units which are periodically arranged, each concave-convex unit is provided with a first surface and a second surface which are opposite to each other, and the second surface is a plane; the first surface comprises a concave area and a convex area surrounding the concave area, the thickness of the concave-convex unit in the concave area is a first thickness, the thickness of the concave-convex unit in the convex area is a second thickness, and the first thickness is half of the wavelength of the equivalent medium; the second thickness is N times of the first thickness, and N is larger than or equal to 1.2 and smaller than or equal to 1.5. According to the invention, mechanical strength and wave-transparent performance can be satisfied at the same time, and manufacturing cost can be reduced.

The invention belongs to the technical field of artificial intelligence, and discloses a smart energy production and distribution system based on artificial intelligence. The system comprises a sensing layer used for collecting energy production parameters, storage capacity, transmission loss and user requirements in real time; the data processing layer is used for performing exception elimination, format standardization and integrated storage according to production, storage, transmission and demand dimensions; according to the AI intelligent decision-making layer, a prediction unit outputs energy production potential and demand peak values in the future 1-24 hours, and an optimization unit generates a production adjustment, storage allocation and transmission path optimization scheme; and the execution layer receives and executes the scheduling operation. According to the system, supply and demand pre-judgment and dynamic regulation and control are realized through AI intelligent decision, the problem of traditional response lag is solved, and the energy utilization rate is increased by more than 15%; accurate input is provided for decision-making through full-chain data acquisition and standardized processing, so that the scheduling scheme is more practical, and the transmission loss is reduced by more than 10%.