44 results about "Band area" patented technology

The invention provides a power line MIMO system receiving end filtering coefficient generation method. The accuracy of channel estimation is optimized based on subcarrier design. The method comprises the following steps: firstly, selecting a subcarrier index to represent the frequency domain response of a channel to be filtered, and then carrying out sub-band region division on the whole bandwidth to capture the difference and fading characteristics of the frequency domain channel. Then, time-domain characteristic parameters, such as a signal-to-noise ratio and a power delay spectrum, are calculated using the frequency-domain channel response. Finally, a filtering coefficient matrix is generated based on the time-domain characteristic parameters, so that the accuracy of channel estimation is improved. According to the method, differences of channels on different frequencies are considered, so that time domain characteristic parameter estimation is more accurate, a solid technical basis is provided for filter coefficient generation, and the performance of a whole communication system is improved.

The invention discloses a multi-band enhanced infrared optical comb spectrum rare gas detection system in a hollow cavity of building glass, which is characterized in that a line scanning optical frequency comb light source module and a reflective array module jointly form a virtual enhanced cavity to enhance the optical path of an emitted fan-shaped optical comb light beam so as to improve the detection precision; rapid switching of multi-band gas is achieved through an electric filter wheel according to sequential control so as to detect different gases, gas data in a hollow cavity are collected in real time by combining the high-speed collection capacity of a dual-band area array detection module, and a concentration distribution cloud chart of argon and krypton is rapidly constructed based on a data terminal processing module; the detection efficiency and accuracy of the gas in the glass hollow cavity are greatly improved, the synchronous operation of space scanning and wave band switching is realized, and multi-dimensional data of the concentration, the position and the impurity content of multiple gases can be measured and obtained at a time; a polarization filtering function and a temperature field compensation algorithm are integrated, and the detection precision under outdoor strong light and temperature difference environments is ensured.

The invention discloses a wide-stop-band reflection-free double-frequency filter, particularly relates to the technical field of microwave communication, and solves the problems that in the prior art, a double-frequency-band filter usually has signal reflection outside a working frequency band, and a small number of reflection-free double-frequency-band or multi-frequency-band filters are often complex in structure and low in cost. The technical problems of large size, poor absorption effect and poor high-stop-band effect of a non-reflection dual-band filter in the prior art, and certain out-of-band rejection performance and insertion loss are sacrificed while the non-reflection dual-band filter pursues the non-reflection characteristic, and particularly, harmonic suppression is poor in a transition area of two frequency bands and a high-stop-band area are solved. According to the technical scheme, a quarter-wavelength coupling microstrip line MCL1 and a quarter-wavelength microstrip line ML2 are connected in series, and a three-quarter-wavelength microstrip line ML1 and a three-quarter-wavelength microstrip line ML2 are introduced and connected in parallel to form a dual-frequency band-pass filtering response; according to the invention, a good full-band absorption effect is achieved, and the frequency selectivity of in-band signals is also enhanced.

The invention discloses a robot pile alignment method, device and equipment, a storage medium and a pile alignment system, and relates to the technical field of robots. According to the technical scheme, when it is determined that a receiver of the robot is located in a light band area of a workstation, the robot is controlled to move by a preset distance based on a reference direction, the reference direction is the direction of a connecting line between the rotation center of the robot and the receiver, and the preset distance is determined based on the distance between the rotation center and the receiver; controlling the robot to rotate so that the receiver returns to the light band area again; and controlling the robot to move to the workstation based on a target direction, wherein the target direction is determined based on the reference direction. By means of the technical means, the problem that in the prior art, time consumed in the process that the robot returns to the work station is long is solved, and the pile alignment efficiency of the robot is improved.

A method is provided and includes: determining a temperature distribution pattern across a substrate or a support plate of a substrate support; determining, based on the temperature distribution pattern, a number of masks to apply to a top surface of the support plate, where the number of masks is greater than or equal to two; and determining patterns of the masks based on the temperature distribution pattern; and applying the masks over the top surface. The method further includes: performing a first machining process to remove a portion of the support plate unprotected by the masks to form first mesas and first recessed areas between the first mesas; removing a first mask from the support plate; performing a second machining process to form second recessed areas and at least one of second mesas or a first seal band area; and removing a second mask from the support plate.

Methods and computing apparatus for implementing a radiation dosimetry process. An example process may include exposing a first radiation sensitive film to a series of known doses of radiation, measuring a first set of radiation data with a measurement device, and determining a calibration curve. The calibration curve may be determined by selecting Raman spectral ranges based on the first set of radiation data, determining a plurality of band area ratios, and generating the calibration curve based on plotting the band areas and ratios compared to known dose. The radiation dosimetry process then exposes a second radiation sensitive film to an unknown dose of radiation, measures a second set of radiation data for the second radiation sensitive film with the measurement device, and determines a dose exposure level for the second radiation sensitive film by comparing the second set of radiation data with the calibration curve.

The present disclosure relates to a photopolymer film, a composition for forming such a photopolymer film, and a holographic recording medium and an optical element comprising the same, the photopolymer film comprising a base film and a recording layer, and has a predetermined maximum reduction rate of the band area in a map derived from the result of photo-thermal infrared (PTIR) spectroscopic analysis in the thickness direction from one surface of the recording layer.

The invention relates to the technical field of spiral conveying detection, and discloses nano ceramic layer spiral conveying equipment with a wear detection mechanism, the equipment is provided with a detection trolley which is driven by a conveying screw blade and advances along a parallel track, so that a probe mounted on the detection trolley can move along with the axial direction of the trolley; according to the method, a complete spiral band area on the surface of the rotating blade is continuously contacted and scanned, so that a traditional fixed single-point detection mode is changed, non-blind area and linear continuous scanning of the working surface of the blade is realized, each abnormal point of the whole detected area can be captured, continuous surface topography curve data instead of discrete point data can be obtained, and the detection accuracy is improved. By performing trend analysis and abnormal fluctuation identification on the curve, the overall wear degree can be judged, and occurrence and development of local damage can be early warned, so that an accurate predictive maintenance plan can be made, sudden failures are avoided, the service life of equipment is prolonged to the maximum extent, and production continuity is guaranteed.

An integrated circuit device includes a semiconductor substrate, a plurality of multi-bit cells over the semiconductor substrate, a first pad, and a second pad. Each of the multi-bit units includes a first bit and a second bit. The first bit cell includes a first electrostatic discharge (ESD) protection circuit and a first band region in the semiconductor substrate. The second bit cell includes a second ESD protection circuit and a second band region in the semiconductor substrate. In a top view, the first band region of the first bit and the second band region of the second bit are symmetric with respect to a boundary between the first bit and the second bit, and the first p-type band region of the first bit and the second band region of the second bit have a first conductivity type. The first pad and the second pad are respectively connected to the first ESD protection circuit and the second ESD protection circuit.

A substrate support to support a substrate in a processing chamber includes: a body including seal bands, where the seal bands are configured to contact the substrate and define a seal band area; first mesas extending upward from the body and configured to contact the substrate; and second mesas extending upward from the body in the seal band area and configured to contact the substrate. The second mesas have a higher contact surface area density than the first mesas.

The invention discloses a high-density large-span narrow-band polymerization laser scanning device and a scanning method, in the device, a cabinet is provided with N lasers, imaging planes and N blade scanning units, the number of the imaging planes is the same as that of the lasers, and the imaging planes and the lasers are connected through optical fibers in a one-to-one correspondence mode, the N blade scanning units are provided with N narrow-band areas, each narrow-band area comprises M identical scanning subareas, the N narrow-band areas are provided with N * M scanning subareas, the ultra-thin state of the blade scanning unit is achieved through the central zero position of the axis swing angle of the X-axis deflection assembly, the stability and precision of the galvanometer unit are improved through the structural design of the X-axis deflection assembly and the Y-axis deflection assembly, multiple areas or targets can be scanned at the same time through the formed multiple scanning subareas, and the scanning efficiency is improved. The scanning efficiency, the coverage rate and the accuracy are improved, the switching of a plurality of edge overlapping scanning partitions adopts the combination of a synchronization switching method and a light-off switching method, the switching speed is high, the scanning efficiency is high, the continuity and the integrity of scanning data are also ensured, and the damage or interference of a laser beam to a scanned object is effectively avoided.

The invention discloses a steel rail light band detection method and device. The method comprises the following steps: acquiring a steel rail image acquired by a color linear array camera; segmenting the steel rail image by using a pre-trained light band segmentation model to obtain a steel rail light band area in the steel rail image; the light band segmentation model comprises an encoder and a decoder, and each of the encoder and the decoder comprises a dynamic snakelike convolution layer; calculating the width of the light band according to the gray features of the steel rail light band area, and positioning the left and right boundaries and the center line of the light band; and analyzing the light band width, the light band left and right boundaries and the light band center line position to obtain a steel rail light band detection result. According to the invention, steel rail light band detection can be efficiently and accurately realized.

The utility model relates to the technical field of slurry concentration, in particular to a disc structure of a multi-disc concentrator, which comprises a hollow main shaft, a sealing belt and a plurality of sector plates, and the sector plates are arranged along the circumference of the hollow main shaft and are connected with the hollow main shaft through the sealing belt; an annular groove communicating with the interior of the hollow main shaft is formed in the outer side wall of the hollow main shaft in the circumferential direction. The sealing belt is connected to the annular groove in a sleeving manner; a counter bore is formed in the bottom of the fan-shaped plate, a screw is arranged in the counter bore, and the screw penetrates through the sealing belt and is in threaded connection with the bottom wall of the annular groove; and the fan-shaped plate can press the sealing tape tightly by screwing the screw, so that the hollow main shaft is connected in a sealing manner. The utility model can solve the problem that the connection part of the disc and the hollow main shaft and the sealing belt area are easy to wear and leak.

One embodiment of the present disclosure relates to a device. The device includes a memory macro having a front side and a back side in a vertical direction. The memory macro includes edge band regions extending longitudinally in a first direction at an edge of the memory macro, a memory cell region having a plurality of memory cells, and an intermediate band region extending lengthwise in the first direction and disposed between the edge band regions in a second direction, wherein the memory cell region is arranged between the edge band regions in a second direction perpendicular to the first direction, and the intermediate band region divides the memory cell region into two memory cell domains. The intermediate band region includes a feed-through circuit routing a power supply signal line of one of the plurality of memory cells to a back surface of the memory macro.

The present invention provides a peak convolution method for radar signals and a radar target semantic segmentation network, the method comprising: performing Fourier transform on radar echo signals to obtain tensors of several viewing angles; selecting any unit to be tested, obtaining a protection band and a reference band corresponding to the selected unit to be tested, and obtaining a peak receptive field; obtaining the total number of reference units in the reference band area; extracting all reference units; performing original peak convolution or noise suppression peak convolution processing to obtain radar echo signal characteristics after original / noise suppression peak convolution filtering and denoising; traversing all units to be tested in the tensors of all viewing angles to obtain radar echo signal characteristics after original / noise suppression peak convolution filtering and denoising corresponding to all units to be tested, thereby completing the peak convolution of the radar echo signal. The present invention can solve the technical problem that the convolution method in the prior art is not suitable for radar signals and cannot exert its due potential in the field of radar semantic segmentation.

The application discloses a panoramic image splicing method, comprising the following steps: matching the pixels of the splicing band area of two images to be spliced; performing optical flow calculation based on the positions of the matched pixels; determining the first camera parameter correction value and the second camera parameter correction value of a first camera based on the optical flow calculation result; performing re-projection processing on the first image to be spliced based on the first camera parameter correction value, and performing re-projection processing on the second image to be spliced based on the second camera parameter correction value; and performing splicing operation on the two re-projected images to be spliced. The application can realize natural and smooth transition of panoramic image splicing.

The present invention relates to a photopolymer film including a base film and a recording layer, having a maximum reduction rate of a predetermined band area in a graph derived from the result of photo-thermal infrared spectroscopy (PTIR) in the thickness direction from one surface of the recording layer, a composition for forming such a photopolymer film, a hologram recording medium including the same, and an optical element.

Embodiments of the present application provide a display panel brightness correction method and a display panel brightness correction device, and relate to the technical field of display, and aim to solve the problem that the image of the display panel collected by the display panel during demura has a bright band area, and the bright band area presents a dark band after demura. The display panel brightness correction method comprises the following steps: collecting a first image of a display panel; identifying a bright band area in the first image; obtaining at least one mapping area according to the bright band area; updating data in the bright band area in the first image to data in at least one mapping area in the first image, and generating a second image; and performing brightness correction on the display panel according to the second image.

Integrated circuit which features the following: a storage cell (20A) with a first well doping configuration comprising a first well region (114A-1), a second well region (112A), and a third well region (114A-2) arranged in a substrate (110), wherein the second well region (112A) is located between the first well region (114A-1) and the third well region (114A-2), and wherein the first well region (114A-1) and the third well region (114A-2) are further doped with a dopant of a first type, and the second well region (112A) is doped with a dopant of a second type; and a trough belt cell (50) which is arranged adjacent to the storage cell (20A), wherein: - the trough belt cell (50) has a first trough belt area (50B), a second trough belt area (50A) and a third trough belt area (50C), wherein the second trough belt area (50A) is arranged between the first trough belt area (50B) and the third trough belt area (50C), - the first trough belt area (50B) and the third trough belt area (50C) have the first trough doping configuration, - the second trough band area (50A) has a second trough doping configuration which includes a fourth trough region (114C) doped with the dopant of the first type, and - the tub band cell (50) contains first tub pickup regions (160B) which are arranged on the fourth tub region (114C) and second tub pickup regions (160A) which are arranged on a fifth tub region (112C) which extends without interruption into the second tub region (112A).

In one embodiment of the present invention, a method of decoding an encoded audio bitstream and generating frequency bandwidth extension includes decoding the audio bitstream to produce a decoded low band audio signal and generate a low band excitation spectrum corresponding to a low frequency band. A sub-band area is selected from within the low frequency band using a parameter which indicates energy information of a spectral envelope of the decoded low band audio signal. A high band excitation spectrum is generated for a high frequency band by copying a sub-band excitation spectrum from the selected sub-band area to a high sub-band area corresponding to the high frequency band. Using the generated high band excitation spectrum, an extended high band audio signal is generated by applying a high band spectral envelope. The extended high band audio signal is added to the decoded low band audio signal to generate an audio output signal having an extended frequency bandwidth.

The invention relates to a partition net device (1) for a motor vehicle, with a tension band fixation (2) comprising a tubular element (3) and a tension band (4) with an end loop (9) which is guided around the tubular element (3) in a band area (10), wherein the band area (10) is bounded at one end by a proximal ring element (11) which surrounds the tubular element (3), and a plug element (13) is attached to an end area (12) of the tubular element (3), which bounds the band area (10) at the other end and has an internal geometry (14) which is inserted into the tubular element (3) and embossed with it for fixation, and the outer circumference (16) of the plug element (13) is larger than that of the tubular element (3) in the band area (10), and the band area (10) is spanned by a bridge element (17). Furthermore, the invention relates to a method for providing a partition net device (1) and a motor vehicle.

The utility model discloses an assembly type laminated slab formwork simple support mechanism which comprises I-shaped beams located on the two sides of a post-cast strip area, and the bottom of each I-shaped beam on the single side is supported through a plurality of stand columns. The I-shaped beam comprises horizontal plates with the upper side and the lower side parallel to each other, and a vertical plate is arranged between the horizontal plates on the two sides for connection. A plurality of round holes are evenly formed in the vertical plate at equal intervals, the ends of the round pipes are inserted into the corresponding round holes, the round pipes form a horizontal support of the post-cast strip area, and a formwork is installed and used for concrete pouring of the post-cast strip area. The mode that the stand columns are matched with the I-shaped beams is adopted for supporting, the post-cast strip area is reserved between the laminated slabs, holes are formed in the vertical plates corresponding to the I-shaped beams, the round pipes are selected as supporting carriers, formworks are laid on the upper sides, and then formwork installation of the post-cast strip is completed, a supporting system of the laminated slabs is achieved, and meanwhile formwork building of the post-cast strip area is completed. And engineering disassembly and assembly are simple, consumables are few, and the structure is reliable

The invention belongs to the technical field of solid state disks, and provides a solid state disk encryption storage protection system. The system comprises a data selection module, a buffer area division module and an encryption protection module, the data selection module allows an application program to distinguish write-in data through marks, the solid state disk classifies the data into long-term data or low-level data according to the write-in data, and the buffer area division module divides a DRAM buffer area into a long-term support area and a non-support area. The encryption protection module stores two types of data respectively, manages data access by utilizing a buffer hit table and a list, writes original address information of the persistent data into an out-of-band area of the NAND memory when the encryption protection module is powered off, and recovers the data to an original position according to the information after power supply is recovered; according to the invention, the problem that the data in the DRAM buffer area is easy to lose and cannot be recovered after the solid state disk is powered off in the prior art can be solved.

According to an embodiment, a controller of a magnetic disk apparatus reads band data from a band area where multiple first tracks are provided. The controller updates the read band data with write data received from a host. When an update portion of the updated band data is not included in data for a head track of the band area, the controller writes, to offset positions, pieces of the updated band data for specified tracks from a track serving as a write destination to an end track. The offset positions are obtained by shifting a position of each of the specified tracks by a predetermined amount in a direction to an end of the band area.

The present disclosure relates to an anti-glare film including an acrylic substrate and a coating layer located on at least one side of the acrylic substrate, which has a specific rate of change of band area ratio in a graph derived from the result of Raman spectroscopy performed for the coating layer in the thickness direction. It also relates to a polarizing plate, and a display apparatus including the same.

The present disclosure relates to a photopolymer film comprising a substrate film and a recording layer, and having a maximum reduction rate of a predetermined band area in a graph derived from the results of photothermal infrared (PTIR) spectroscopic analysis in a thickness direction from one surface of the recording layer, a composition for forming such photopolymer film, a holographic recording medium and an optical element comprising the same.

According to one embodiment, a magnetic disk device includes a disk, a write head, a write processing unit selecting a shingled magnetic recording, a determination unit, and a refresh processing unit. The determination unit determines whether a quality-degraded recording sector exists in all recording sectors in each of the bands. If it is determined that a target band including the quality-degraded recording sector exists in the bands, the refresh processing unit refreshes target recording sectors. The target recording sectors include the quality-degraded recording sector. In the target band, the number of the target recording sectors is less than the number of all recording sectors.

The invention provides an exposure apparatus and an exposure method, which can properly perform correction processing on pattern distortion caused by an optical system. An exposure device (10) is provided with an exposure head (20) which is provided with a DMD (22) and a projection optical system (23) and which divides a scanning band region (BR) through which an exposure region (EA) of the exposure head passes in a sub-scanning direction (Y direction). In addition, correction values for the series of partitions (Bm) are obtained in accordance with pre-delivery, maintenance, and the like. When an exposure operation is performed, a vector data correction circuit (26) corrects pattern data (vector data) of a linear pattern on the basis of a correction value.

The present disclosure relates to an anti-glare film including an acrylic substrate and a coating layer located on at least one side of the acrylic substrate, which has a specific rate of change of band area ratio in a graph derived from the result of Raman spectroscopy performed for the coating layer in the thickness direction. It also relates to a polarizing plate, and a display apparatus including the same.

The present invention provides a method and device for detecting light bands on a rail surface, comprising a light band area identification step, a light band two-dimensional information acquisition step, a rail point cloud generation step, a rail center point extraction step, and a light band offset acquisition step, wherein the light band area in a two-dimensional image is identified and segmented by a trained semantic segmentation model, and the identification is comprehensive, fast, and highly accurate; partial contour point position data corresponding to the two-dimensional image is extracted to generate a rail point cloud, and a small range of point clouds is further extracted based on the light band center point for further calculation and analysis. Therefore, only a relatively small amount of data collected by a line laser sensor needs to be analyzed and processed, with a small amount of calculation, and the detected rail surface light band and its offset can be quickly output, which is beneficial to on-site detection and analysis; based on the extracted light band effective point cloud, the coordinates of the rail center point are obtained by fitting a plane, and the fitting plane can effectively eliminate the influence of some other types of rail surface damage, and obtain an accurate light band offset.