261 results about "Beam transmission" patented technology

The invention provides an integrated measurement device, a beam parameter quality control method and related equipment, relates to the technical field of particle radiotherapy, and is used for rapidly measuring beam parameters of pencil beam scanning points in arc proton therapy in real time. Comprising a plurality of measurement units which are arranged at intervals along a beam transmission direction, the plurality of measurement units are periodically and repeatedly arranged to form a two-dimensional orthogonal sampling grid, and time-space distribution data of a beam cross section are synchronously acquired through one-time beam output; the analysis module is used for processing the beam parameters output by the signal acquisition and processing module in real time, and the beam parameters comprise the scanning point position, the beam spot size, the charge quantity and the range; beam parameters of a pencil beam scanning point can be rapidly measured in real time, and accurate and efficient measurement is ensured; according to the matched beam parameter quality control method, the accuracy and reliability of arc proton treatment are improved through operations such as multi-angle measurement, parameter correction, quality control interval optimization and real-time dynamic adjustment.

The invention belongs to the technical field of photoelectric countermeasure, and particularly relates to a CMOS detector damage system based on time-domain composite pulse laser, which comprises a time-domain composite pulse laser generation module, a light beam transmission and focusing module, a target damage monitoring module, a parameter optimization control module and a detector to be damaged. The time domain composite pulse laser generating module comprises a short pulse laser, a long pulse laser, a pulse synchronous controller, a power adjusting unit, a power supply module and a cooling device, and the power adjusting unit is electrically connected with the short pulse laser and the long pulse laser; and the power supply module is electrically connected with the long pulse laser, the short pulse laser and the cooling device. According to the method, energy loss generated by plasmas in a traditional laser damage method is avoided, the damage efficiency is remarkably improved, efficient transmission and concentration of energy in the multilayer structure are achieved through the synergistic effect of long pulses and short pulses, all layers of materials synchronously lose efficacy in a short time, and the damage consistency of the whole multilayer structure is ensured.

The invention relates to the technical field of laser micropore processing, and discloses a device for processing a blade film hole by femtosecond laser, which sequentially comprises an infrared femtosecond laser for emitting laser, a blade hole forming device for guiding light and processing laser beams and a blade fixing device for fixing a blade to be processed along a beam transmission path, the blade hole forming device comprises a laser incidence port, a compact scanning galvanometer system for adjusting a laser scanning path, a rotating assembly capable of rotating around an optical axis and used for adjusting the emitting angle of a laser beam, a focusing system for adjusting laser focusing, a light guide assembly for adjusting light beam incidence and a light guide reflection assembly. The lower end of the scanning galvanometer system is connected with the upper end of the rotating assembly, the upper end of the focusing system is connected with the lower end of the rotating assembly, the lower end of the focusing system is connected with the upper end of the light guide assembly, and the lower end of the light guide assembly is connected with the light guide reflection assembly. And the infrared femtosecond laser, the compact scanning galvanometer system and the focusing system are all controlled by the control system. According to the system, blade film hole machining in a complex track can be achieved.

The invention discloses a non-interception type detector for measuring the beam position and the cross section of proton / heavy ion radiotherapy equipment, and belongs to the technical field of nuclear medicine and electronics crossing. Secondary particles (electrons or ions) obtained after ionization reaction of high-energy protons / heavy ions and residual gas molecules are used as signals, the signals are amplified to reconstruct the original position and cross section distribution of a beam, and the detector is a completely non-interception type detector and can be used as long-term online measurement equipment. According to the invention, the structure of the detector is systematically designed and optimized aiming at the position and section measurement of an extremely weak beam in proton / heavy ion radiotherapy equipment, a test is carried out on an experimental platform, a clear signal image can be obtained, the structure is compact, the performance is good, the work is stable and reliable, and the cost is low. The method is of great significance to debugging, operation and maintenance of proton / heavy ion radiotherapy equipment.

The invention provides an adaptive weight multi-particle beam flow transmission simulation method and device, and the method belongs to the technical field of particle accelerators, and specifically comprises the steps: dividing a to-be-processed macro particle beam to form a plurality of groups of macro particles; configuring a relative weight for each group of macro particles according to the density distribution characteristics of the macro particle beams; sampling each group of macro particles in combination with the relative weight of each group of macro particles to obtain a corresponding sampling result; determining the weight of each macro particle in each sampling result in combination with the relative weight of each macro particle in each sampling result; determining similarities of a candidate beam bunch and a macro particle beam bunch in different dimensions, wherein the candidate beam bunch is formed by collecting sampling results configured with weights of macro particles; under the condition that the similarity meets a beam dynamics simulation condition, determining the candidate beam bunch as a new macro particle beam bunch; the new macro particle beam is used for replacing the macro particle beam to carry out multi-particle beam flow dynamic simulation, and the evolution process of beam transmission in the accelerator is described.

The invention relates to the technical field of precision and ultra-precision machining, and discloses a CO2 full-laser machining device and method for a fused quartz micro convex lens array. The three-axis motion platform is arranged on the supporting platform; the pulse CO2 laser is used for generating a processing laser beam; the light beam transmission system sequentially comprises a light beam combining module, a light beam adjusting module, a light splitting module, a light beam guiding module, a scanning galvanometer and a focusing field lens along a laser beam path; the main light beam is guided to the scanning galvanometer through the light beam guiding module and is emitted to a fused quartz workpiece after being focused through the focusing field lens; the contour detection unit is used for taking morphology data of the micro-lens array in situ; the temperature monitoring unit is used for measuring the temperature of the processing area; the control unit is connected with the three-axis motion platform, the contour detection unit, the temperature monitoring unit and the pulse CO2 laser, and is used for adjusting the laser power and the displacement of the three-axis motion platform according to detection data; the device has the characteristics of high efficiency, high precision, non-contact processing and small heat influence.

Presented are systems, methods, apparatuses, or computer-readable media for multi-beam transmission signaling for uplink communication channels. A wireless communication device may receive, from a wireless communication node, B candidate groups of power control parameters. The wireless communication device may receive, from the wireless communication node, a first signaling to indicate the B candidate groups of power control parameters for a first physical uplink control channel (PUCCH) resource. B may be an integer greater than or equal to 1.

The utility model relates to a photoetching lens and a photoetching machine, which comprise a first lens group and a first reflecting mirror which are sequentially arranged along the direction of a first optical axis, and a second reflecting mirror, a second lens group and a third lens group which are sequentially arranged along the direction of a second optical axis, and after being reflected by the first reflecting mirror to pass through the second lens group in the forward direction, the light is reflected by the second reflecting mirror to pass through the second lens group in the reverse direction, and then passes through the third lens group to converge to an imaging surface. The structure of the photoetching lens has excellent imaging performance, a larger view field can be realized, and large-area photoetching pattern processing can be directly realized, so that the problem that the view field of the existing photoetching lens is small is solved; besides, a reflective structure is adopted, so that the light beam passes through the second lens group twice in the forward and reverse directions, the number of lenses is reduced by half while the transmission distance of the light beam is ensured, and therefore, the volume of the photoetching lens is effectively reduced, and the cost of the photoetching lens is reduced.

The invention discloses an ultrashort bending type beam homogenization transmission line. The ultrashort bending type beam homogenization transmission line is characterized in that the transmission line is an ultrashort bending type high-current homogenization transmission line comprising two pieces of four-eight-level composite iron and one piece of second-level iron; the ultra-short bending type high-current homogenized transmission line is an ultra-short bending type high-current homogenized transmission line A which is arranged along a beam current direction; or the ultra-short bending type high-current homogenization transmission line B is arranged along the beam direction; the ultra-short bending type high-current homogenization transmission line A is sequentially provided with an accelerator leading-out port, a beam matching mechanism, fourth and eight-stage composite iron 1, second-stage iron, fourth and eight-stage composite iron 2, a beam matching and homogenization effect observation mechanism 1 and a terminal 1 along the beam leading-out direction; the tetra-octupole composite iron of the beam line can simultaneously realize focusing and homogenization effects on beam envelope, the composite iron is installed on a beam transmission line, the number of transmission elements can be reduced, the length of the transmission line is shortened, and the construction cost of the beam transmission line is reduced.

The invention relates to the technical field of ion implantation, and discloses a dynamic adjustment method for large beam uniformity of an ion implanter. According to the method, a beam spot distribution data sequence in a beam transmission path is collected in real time, uniformity drift prediction is carried out in combination with an injection process parameter set, and beam uniformity prediction parameters are generated. And capturing a current beam spot form image by using a beam spot imaging device, inputting the current beam spot form image and the prediction parameters into a plurality of beam spot classifiers containing independent classification paths in parallel, and identifying to obtain actual beam spot distortion parameters. And executing electromagnetic field parameter prediction based on the parameter, generating a predicted electromagnetic field adjustment parameter, collecting an adjusted beam spot image through a feedback mechanism, and inputting the beam spot image into a plurality of electromagnetic field parameter classifiers in parallel again to output an actual adjustment parameter. And finally, integrating the distortion parameter and the adjustment parameter to generate a dynamic adjustment instruction set, and realizing closed-loop control of beam uniformity. According to the method, the problem of uniformity drift in the large-beam ion implantation process is effectively solved, and the process stability and the implantation efficiency are improved.

The invention discloses an LCOS optical illumination system for an AR-HUD projection unit, and belongs to the field of photoelectric illumination and display technologies. The system comprises an illumination light source, a collimating lens, a fly-eye lens, an optical diffuser, a wavelength selective light combination element, a polarized light conversion device, a relay lens, a PBS prism and an LCOS display chip. The illumination light source is a three-color LED light source and is composed of a red light LED, a green light LED and a blue light LED. After red primary light, green primary light and blue primary light are collimated by the collimation system, the light parallelism is optimized, the collimated light sequentially passes through the light diffusion element to optimize the light field uniformity and the fly-eye lens to eliminate the non-uniform illumination, then is unified into a single linear polarization state by the polarized light converter, is shaped by the relay system and keeps the light beam transmission quality, and finally is transmitted to the light source. And polarization state separation and light combination are realized through the PBS prism, and finally, the light is accurately coupled to the LCOS display chip, so that high-efficiency polarization state matching and imaging quality optimization are completed. According to the HUD-PGU system, the illumination brightness of the whole system is improved, the color reducibility of the system is improved, the illumination uniformity of system imaging is improved, the light energy utilization rate of the system is improved, meanwhile, the size of the HUD-PGU is reduced, and the manufacturing cost is reduced.

The invention relates to the technical field of wireless communication, in particular to a wireless communication system signal sending and receiving method based on an AI model. The system comprises a delay coordinate embedding unit, a neural flow tracking unit, a continuous evolution unit, a Riemann decoding unit and a closed-loop control unit. The system maps the pilot frequency to a high-dimensional phase space by using a Takens principle, and reconstructs a channel dynamic topology; the core of the method is that a manifold derivative network is utilized to calculate a flow field vector, continuous time deduction is carried out through a Shenchang differential equation, evolution deviation is eliminated in combination with a geometric projection correction term, and thus the future channel state is accurately predicted. Calculating a CSI matrix based on the prediction result to optimize beam transmission; according to the method, the limitation of single-variable observation is broken through, and reconstruction and perception from discrete data to a full view of a high-dimensional nonlinear system are realized.

The invention provides a particle radiotherapy beam blocking system and method, and the system comprises a particle beam generation device, and also comprises a blocking device which is disposed on a beam transmission path of the particle beam generation device and is used for blocking the beam transmission path of the particle beam; the dose monitoring device is arranged behind the blocking device and is used for monitoring the beam dose in real time and generating a beam dose signal; the control module is used for receiving the beam dose signal of the dose monitoring device, judging whether the beam dose is greater than or equal to a preset beam dose, and judging whether to send an instruction of stopping beam output to the particle beam generation device and / or send an instruction of blocking a beam transmission path to the blocking device according to a judgment result; according to the invention, the beam dose is monitored in real time, and beam outgoing is stopped and the beam is blocked in time when the preset beam dose is reached, so that the safety and accuracy of particle radiotherapy are further improved, and the injury to a patient caused by excessive irradiation is avoided.

A method for measuring channel state information is provided, which is applicable to a network device of a serving cell of a UE, includes: transmitting measurement configuration information of a neighbor cell to the UE, in which the measurement configuration information is configured to instruct the UE to measure channel state information between the UE and the neighbor cell based on beam transmission.

The invention discloses a laser cutting machine light beam stabilization and transmission optimization method and platform, and relates to the technical field of laser cutting, and the method comprises the following steps: carrying out cutting equivalent partition based on current structure attribute information and structure design information of a to-be-cut workpiece to obtain N pieces of workpiece cutting area information; cutting machine control double channels are built and comprise a light beam stability control channel and a light beam transmission control channel, control parameter analysis is conducted on the information of the N workpiece cutting areas in parallel, and N workpiece area cutting control parameters are obtained; and a PID controller is adopted to carry out regulation and control calculation on the N workpiece area cutting control parameters based on the light beam quality parameters and the workpiece cutting surface form data, and the cutting control correction is determined to carry out compensation closed-loop control on the target laser cutting machine. The technical effects that light beam stable control and transmission loss reduction are achieved, the metal cutting precision and stability are improved, and then the workpiece laser cutting quality is ensured are achieved.

The invention provides an accelerator system adjustment method, an accelerator system, electronic equipment and a storage medium. The transmission characteristic data and the charge quantity data of the undeflected beam are obtained through the first beam position detector, and the form and the charge quantity of the undeflected beam are accurately adjusted in combination with a preset adjustment strategy, so that the stability of beam transmission is ensured. And after the form data of the first beam reaches a preset value, monitoring the deflected beam data by using a second beam position detector, and further accurately adjusting the accelerator system to ensure that the deflected beam conforms to the target transmission characteristics. According to the invention, the transmission state of the beam can be accurately controlled in real time, risks of vacuum box breakdown and the like caused by beam mismatch are avoided, the safety and the stability of the system are improved, the possibility of equipment damage is obviously reduced especially under the high-dose-rate transient beam, and the treatment effect and the continuity of Flash radiotherapy are guaranteed.

The invention provides an MEMS suspended heating bearing structure for characterization of a projection electron microscope (TEM) and a preparation method of the MEMS suspended heating bearing structure. An SOI silicon wafer comprises device layer silicon, a buried oxide layer and substrate layer silicon. A first silicon oxide layer is arranged on the surface of the device layer, and a heating electrode is arranged on the first silicon oxide layer; the surface of the substrate layer is provided with a second silicon dioxide layer used for back patterning and etching control. The device layer silicon is provided with a first cavity to form a suspended supporting structure, and comprises a central bearing region, a transmission window region and a plurality of supporting beams connected with the central bearing region; the substrate layer silicon is etched from the back surface to form a second cavity, and the second cavity covers the bearing area, the transmission window and the projection range of the supporting beam in the thickness direction. And the second cavity is communicated with the first cavity, so that a through type cavity heat insulation structure is formed. According to the invention, while the permeability of the electron beam transmission window is maintained, stable bearing and controllable heating of the to-be-tested sample are realized, and the requirements of structural reliability, low power consumption and electrical parasitic suppression are considered.

A single-circle injection system for a heavy ion synchrotron cancer treatment device comprises a cutting magnet, a focusing quadrupole magnet, a deflection electrode and an impact magnet, the cutting magnet, the deflection electrode and the impact magnet are all arranged on the two sides of the focusing quadrupole magnet on a synchrotron main ring track, the cutting magnet is located on one side, and the deflection electrode is located on the other side. The deflection electrode and the impact magnet are located on the other side, are directly installed on a main ring track of the synchrotron and are arranged at the positions where an injection beam is about to intersect with a closed track of the synchrotron. And the deflection electrode and the impact magnet are used for compensating the residual angle deviation, so that the beam current is completely matched with the main ring track. The invention has the advantages of high-efficiency beam transmission, simplified structure, reduced cost and flexible energy switching.

The utility model relates to the technical field of accelerator particle beam application, in particular to a pepper hole device for measuring particle beam parameters of an accelerator. According to the technical scheme, the device comprises a pepper plate hole structure, a front shading shell, a rear shading shell, a patch structure, a bottom sealing structure and a fluorescent screen structure, and the fluorescent screen structure and a camera for shooting are fixedly installed; the pepper plate hole structures are distributed at four groups of rectangular outer ends according to 90 degrees, a square groove for correspondingly installing the fluorescent screen structure is formed in the front shading shell, and a plurality of groups of rectangular protrusions are fixedly connected to the positions, corresponding to the rectangular outer ends, of the upper surface of the front shading shell. The four corners of the square groove are fixedly connected with supporting blocks used for bearing and clamping the fluorescent screen structure. The low-energy beam transmission section debugging and optimizing device is small in size, can be used for debugging and optimizing the low-energy beam transmission section in the field of accelerators, and provides a good technical basis for the field.

The invention relates to the technical field of particle accelerators, in particular to a compact rotary thin-wall beam transmission vacuum system and a design method. The beam transmission vacuum system comprises: a first transmission unit, one end of which is provided with a first bifurcated thin-wall dipolar iron vacuum chamber to form a first branch and a second branch; one end of the second transmission unit is connected with the second branch, and a second bifurcated thin-wall dipolar iron vacuum chamber and a third bifurcated thin-wall dipolar iron vacuum chamber are sequentially arranged in the second transmission unit to form a third branch, a fourth branch and a fifth branch; the fixed treatment terminal is connected with the first branch; and rotating the treatment terminal to provide the beam to one of the plurality of treatment rooms in an alternative manner. According to the invention, an intensive architecture that a single rotary treatment terminal provides particle beams for a plurality of treatment rooms at the same time is adopted, so that the equipment manufacturing cost is greatly reduced, the equipment utilization rate is improved, and the treatment cost is reduced.

At least the following are disclosed, by a network device: receiving or transmitting information including a configuration for multi-beam TCI state activation and indication; receiving or transmitting DCI based on the received configuration, the DCI performing multi-beam TCI state indication for more than one beam by using a single TCI state code point; after a specific application time, each beam indicated by a single TCI state code point is applied for downlink reception or uplink transmission, where the application time is determined within a TCI state indication duration based on one of the options signaled in the configuration, wherein a beam set in the more than one beam indicated by the single TCI state code point corresponds to a reference signal, and the reference signal is used for transmitting or receiving the beam set indicated in the TCI state; and transmitting an indication of the next TCI status with the network node.

The invention discloses a no-cable communication system based on a photon integrated phased array, and the system comprises a plurality of symmetrical double-end receiving and transmitting communication systems, a modulation and demodulation module in a local end emits a modulation optical signal, and the modulation optical signal passes through a light transmitting antenna of the local end for multi-beam transmission; the optical receiving antenna at the opposite end receives an optical signal transmitted by the local end; the corresponding optical fiber beam splitter performs energy splitting on the received optical signal, one part of light is used for bidirectional closed-loop tracking control, and the rest of light enters the corresponding modulation and demodulation module; the modulation-demodulation module at the opposite end emits a modulated optical signal, and the modulated optical signal passes through the optical emission antenna at the opposite end to perform multi-beam emission; and the optical receiving antenna of the home terminal receives the optical signal transmitted by the opposite terminal so as to establish a bidirectional full-duplex communication link. According to the invention, rapid and agile beam control and simultaneous multi-beam transceiving are realized, and the application requirements of near-field cableless multi-link parallel communication are met.

The invention discloses a transmission-type anti-vibration controllable path atmospheric turbulence measuring device, which comprises a laser emission and beam splitting module, and a subsequent light path module, a photoelectric detector and a data acquisition and processing module which are sequentially arranged along the light path direction of the laser emission and beam splitting module, the data acquisition and processing module comprises an AD converter, a data acquisition card and a computer which are connected in sequence, the AD converter is located on one side close to a photoelectric detector, and the photoelectric detector is an enhanced CCD camera or an electron multiplication CCD camera; the method does not need to depend on laser beacons and backward scattering, an active transmission-type differential light path with transmitting end homologous parallel double beams and a receiving end cooperatively regulated and controlled is constructed, common-mode noise such as telescope tracking errors and platform jittering is actively counteracted from the hardware level, double-beam transmission light is directly received, the signal-to-noise ratio is high, and by combining narrow-band filtering and polarization suppression, the detection precision is high. Environmental stray light can be effectively stripped, and light spot centroid positioning and light intensity fluctuation calculation are more accurate.

A method for manufacturing a one-step molded multi-optical-transmission-sheet assembly (100) provided with a one-step molded multi-optical-transmission-sheet (10) and a housing member (20), the method comprising: capturing an image of a position reference part (25) provided in the housing member (20) to generate a template image (I); the template image (I) includes a reference position mark (I1) corresponding to the position reference part (25) and a core position mark (I2) indicating an ideal position of each of the core regions (11) with respect to the position reference part (25), and the reference position mark (I1) and the captured image of the position reference part (25) are superimposed and coincident; one end of the one-step molded multi-light transmission sheet (10) is housed in a placement hole (23) of a housing member (20), a core region (11) exposed to the end surface at the end housed in the placement hole (23) is imaged, and the relative position of the one-step molded multi-light transmission sheet (10) with respect to the housing member (20) is adjusted. The one-step molded multi-light transmission sheet (10) is fixed to the housing member (20) such that the position of each of the captured images of the core regions (11) coincides with the position of each of the core position marks (I2) corresponding to the respective positions.

The invention discloses a waist-adjustable structure-integrated square elbow of a DNP-NMR (Dynamic Nuclear Polarization Nuclear Magnetic Resonance) system transmission line. The waist-adjustable structure-integrated square elbow structurally comprises two corrugated waveguide structures, a right triangle cavity, a metal ellipsoid mirror surface and two external flange structures. The square elbow is installed in a transmission line, and the corrugated waveguide receives an HE11 mode coupled by a Gaussian fundamental mode from a gyrotron, so that long-distance transmission with small loss and low cross polarization is realized in a transmission line system; the right triangle cavity is connected with the two ends of the corrugated waveguide, an HE11 mode transmitted in the corrugated waveguide is recoupled into a Gaussian base mode at the position, the transmission direction of a wave beam is changed through the metal ellipsoid mirror surface, and the space flexibility of the transmission device is improved. Meanwhile, the metal ellipsoid mirror surface also adjusts the waist radius of the Gaussian fundamental mode so as to match the input requirement of the nuclear magnetic resonance system and keep the phase consistency of the original wave beam at the same time; the external flange structure is used for being tightly connected with other straight waveguide sections, and continuity and collimation of the cavity structure are guaranteed. Compared with a split type part, the integrated square elbow has the advantages that the assembly error of a construction system is obviously reduced, the machining difficulty is low, and the standardization degree is high. And meanwhile, the device can meet the requirements of a dynamic nuclear polarization nuclear magnetic resonance system on high-efficiency, stable, flexible-direction and long-distance transmission of Gaussian beams.

This application provides a radar system and a target detection method. The radar system provided includes a beam transmission control component, a polarization angle modulator, an antenna array with adjustable linear polarization, a signal receiving and processing unit, and a computer. The beam transmission control component generates a transmitted signal. The polarization angle modulator modulates the transmitted signal according to the beam polarization angle indicated by the computer. The computer determines the beam polarization angle for each modulation cycle, and based on the beam polarization angle corresponding to each modulation cycle and the processing information corresponding to that modulation cycle, determines the polarization response characteristics of the target, and detects the target based on the target polarization response characteristics during target detection and tracking. The radar system and target detection method provided in this application can improve the signal-to-noise ratio, identification capability, and anti-interference ability of the radar system for detecting small, slow-moving targets.

This invention discloses a low-energy beam transmission line, comprising: a single solenoid having a channel; a first movable component connected to the single solenoid to allow the single solenoid to move along the beam transmission direction; and a vacuum accelerating tube, with a first end connected to an ion source and a second end passing through the channel and connected to an accelerator. This invention's low-energy beam transmission line, by incorporating a movable single solenoid, increases the adjustable degrees of freedom of the solenoid, enabling dual-degree-of-freedom adjustment (spatial position and magnetic field strength), thus significantly improving beam matching capability.

The invention discloses a relay satellite multi-access resource multi-satellite multi-target scheduling method and system, and relates to the field of spaceflight testing, operation and control resource scheduling, and the method comprises the steps: obtaining a to-be-scheduled task set and constraint conditions, and the constraint conditions comprise intra-task constraints generated by limiting schemes and inter-task constraints coexisting by the limiting schemes; constructing a feasible scheme set meeting the constraint in the task according to the visible window and the beam transmission rate; executing a non-subtraction domain driven algorithm, and calculating a task exchange ratio to represent the capability of a task to unblock a frozen state; and constructing a non-reduced neighborhood according to a task exchange ratio, and realizing iterative optimization of a solution by releasing a high-exchange-ratio task and reallocating a free task in the neighborhood until a global optimal scheduling solution is obtained. According to the method, a task exchange ratio and non-subtractive neighborhood construction strategy is introduced, the resource conflict problem under multi-satellite multi-target complex constraints is effectively solved, constraint dynamic configuration based on a rule engine is supported, and the task guarantee capability and the system flexibility are improved.

The invention relates to a communication method, a terminal, network equipment, a storage medium and a program product. The communication method comprises: in response to detecting that the wireless link quality corresponding to a first reference signal resource on a first reference signal resource set is lower than a first threshold value, a terminal sends first information to a network device, the first information being used for link failure recovery or beam failure recovery of a first bandwidth unit; wherein the first reference signal resource set is used for failure detection of a first bandwidth unit, and a partial bandwidth BWP of the terminal comprises at least one first bandwidth unit. According to the invention, the performance based on beam transmission on each first bandwidth unit can be ensured as much as possible, so that the communication efficiency is improved.

The invention discloses a long pulse debugging method for a large-area thermionic cathode ion source, and belongs to the technical field of thermionic cathode ion sources, and the method comprises the steps: carrying out the air inlet vacuum debugging after the ion source is assembled; the insulation and voltage endurance capability is improved through cold high-voltage exercise; turning off high voltage, lighting a lamp filament, applying arc voltage, and cleaning the cavity through arc chamber plasma discharge; the extraction voltage is gradually applied to perform beam extraction exercise, and beam transmission is optimized through diversion coefficient scanning; and finally, the diversion coefficient is reduced, the pulse width is prolonged, and long-pulse discharge debugging is realized. According to the method, a systematic debugging process from vacuum verification, insulation and voltage resistance, cavity cleaning to beam extraction and long pulse discharge is established, the stability and reliability of the ion source can be effectively improved, the breakdown risk is reduced, and a technical basis is provided for long-term stable operation of a large-area hot cathode ion source in the future.