73 results about "Signal element" patented technology

Systems, methods and technology for authenticating multi-layered objects using encoded signals such as digital watermarking. In one implementation, a value document includes a substrate and a removable overlayer, with a security feature comprising a digital watermark signal printed to cover portions of both the substrate and overlayer. The digital watermark signal includes spatially arranged signal elements forming a frame of reference. Tampering is detected by evaluating offset values associated with the signal elements, where misalignment within the frame of reference indicates tampering. In some implementations, the value document includes a first digital watermark on the substrate with synchronization and payload components, a token with a second digital watermark, and a removable sticker with a third digital watermark. Additional security features include split-mark configurations, tamper mark configurations, holographic foils with overprinted digital watermarks, and fragile tamper-deterrent features that deform upon tampering attempts, causing detectable signal distortion. Other combinations are also provided.

Disclosed are techniques for wireless communication. In an aspect, a user equipment (UE) may obtain information indicating one of a plurality of network energy modes for communication between a transmission-reception point (TRP) and the UE. The UE may engage in a sidelink positioning session with at least one other UE, comprising the UE transmitting at least one sidelink positioning reference signal (SL-PRS) symbol for the sidelink positioning session based on a SL-PRS transmit power associated with the one of the plurality of network energy modes.

Methods, systems, and devices for wireless communication are described. A device may receive signaling that includes a channel state information (CSI) report configuration. The device may determine one or more resources of a physical uplink channel for an aperiodic CSI report based on the CSI report configuration, and transmit the aperiodic CSI report via the physical uplink channel based on the one or more resources. In some examples, the device may also determine a set of demodulation reference signal (DMRS) symbols associated with a jump in a set of jumps in the time domain or frequency domain, and coherently transmit the set of DMRS symbols associated with the jump in the set of jumps based on the determination.

A sleeve signalling system enables robust, mechanical and highly visible binary signalling. The system comprises an elongated signalling element comprising a signal marking, and a sleeve disposed over the signalling element. The sleeve is slidable along the elongated signalling element between a first position that covers the signal marking and a second position that uncovers the signal marking.

A dispensing nozzle for dispensing a fluid into a tank of a motor vehicle, comprising the following features: - the dispensing nozzle comprises a passage for the passage of the fluid, wherein a main valve is arranged in the passage, the main valve being movable between a closed position and an open position to control the flow of fluid, - the dispensing nozzle comprises a first maximum volumetric flow rate and a second maximum volumetric flow rate, wherein the second maximum volumetric flow rate is greater than the first maximum volumetric flow rate, according to the invention, such that the dispensing nozzle comprises an adjustable flow restrictor arranged downstream of the main valve and configured to selectively restrict the flow of fluid to the first maximum volumetric flow rate or to the second maximum volumetric flow rate. The dispensing nozzle further comprises actuating means configured for interacting with a signal element equipped to the tank of the motor vehicle and for selectively adjusting the flow restrictor to the first maximum volumetric flow rate or to the second maximum volumetric flow rate.

The invention relates to an apparatus (Rx) for increasing an integrity of signals (S) in a signaling network, each signal comprising a sequence of one or more signal elements. The apparatus comprises an identification unit configured to identify any injection (I) of signal elements into a received signal based on at least one of a) a signal element magnitude variation, b) an inversion of a permutation operation applied to the received signal upon transmission, c) a signal fingerprint, d) a location of the transmitter, and e) an AI / ML, Artificial Intelligence / Machine Learning, model. This allows for a reliable identification of injections of signal elements that are due to the capture effect. In particular, not only overshadow attacks, but also undershadow attacks or other injection attacks can be identified. By processing the received signals based on any identified injections of signal elements, the integrity of signals in the network can be increased.

A decoder receives, from a demodulator of FSK modulated signals, a sequence of demodulated symbols having level transitions between adjacent demodulated symbols and at least a part of the demodulated symbols having level transitions between adjacent signaling elements therein. A sample counter samples the sequence of demodulated symbols. A comparator performs comparison of the samples with at least one reference threshold and the results for at least three adjacent signaling elements in the decoded symbols are stored in a buffer. Logic circuitry asserts an error-in-transmission signal or an end-of-transmission signal in response to an isolated or persisting absence of level transitions detected over a reference period of time. Sampling point drift correction circuitry coupled to the buffer circuit varies the end-of-count value of the sample counter in response to an accumulated sampling point error reaching a drift reference threshold.

An autoinjector for dispensing a liquid product includes a housing; a product container arranged in the housing, particularly, a syringe comprising a displaceable piston; a drive member; a first spring which acts on the drive member and the piston to dispense the product from the container; signal element releasably axially coupled with the drive member so that the signal element is transported in the dispensing direction as the drive member is displaced; and a second spring, which exerts a spring force on the signal element against the dispensing direction and is tensioned as the signal element is transported in the dispensing direction. When the signal element is released or detached from the axial coupling, the second spring causes the signal element to accelerate opposite the dispensing direction and strike against a signal stop and generate an acoustic and / or tactile signal.

The invention relates to a safety device with a multi-channel computer structure by means of which a safety function is generated in a fail-safe manner. The multi-channel computer structure is used to control and monitor at least one signal element in a fail-safe manner.

The invention discloses an automatic placing device for road safety road cones, which comprises a container structure 3 for accommodating signal elements 2 stacked into different columns; and a discharge system 4 for removing the signal element 2 from the container structure 3 and discharging the signal element 2 from the discharge zone 7 onto the road. The aim of the invention is thus to eliminate or at least reduce the risk of accidents during certain signal operations, while simplifying these operations, not only eliminating the risk of operators, but also enabling appropriate signal indications for each case by adjusting the necessary parameters. Another advantage of the invention is that operation can be carried out on commercial cones or beacons existing in the market; in other systems in the prior art, signal elements must adapt to the specific system.

The invention relates to the technical field of sensors, and discloses a sleeve straight-through Rogowski coil current mutual sensor, which comprises a high-inductance framework, a winding, a composite shielding layer, an epoxy resin insulating castable, a sleeve secondary signal element, a fixing bolt, a combined secondary signal output cable and a sensor outer shell, wherein the winding comprises a coil which is uniformly wound on the high-inductance framework, the tail end of the coil is connected with a return turn to form a closed loop, the composite shielding layer is composed of a stainless steel shielding cover and a copper foil coated on the coil, the measurement range is wide, the precision is higher, the saturation is avoided, the anti-interference capability is strong, the broadband response is realized, the noise is low, the transmission signal is stable, and the size is small. The current sensor saves space, is convenient to install, and is more suitable for the field of intelligent power grid upgrading and high-voltage equipment monitoring.

The present application discloses a dose counter and an inhaler, the dose counter adapted for an inhaler, the dose counter comprising: an actuating mechanism configured to move towards a distal end when driven; a counting assembly for counting the number of uses of the inhaler based on the movement of the actuating mechanism toward the distal end, the counting assembly indicating the number of uses of the inhaler by presenting visualized numbers in a display window; and the signal element is connected with the counting assembly and is used for being driven by the counting assembly to be displayed in the display window so as to prompt a user when the number of use times of the inhaler reaches a preset number of use times.

The present disclosure relates to signal processing such as digital watermarking and other encoded signals. One claim recites a substrate comprising a plurality of first areas and a plurality of second areas, in which each of the plurality of first areas comprises a color ink printed therein with a UV topcoat layer printed over the color ink, in which the UV topcoat layer includes a material that absorbs at or around 350 nm and emits in the visible spectrum, and in which each of the plurality of second areas comprises the color ink printed therein, and in which the plurality of first areas is arranged on the substrate in a 2-dimensional pattern that is machine-readable from image data depicting the plurality of first areas, and in which the 2-dimensional pattern represents signal elements that cover only between 1-20% of an area on the substrate, and in which contrast in the image data between the plurality of first areas and the plurality second areas comprises a contrast difference in the range 75%>contrast difference>8%. Of course, other claims and combinations are provided in the specification with reference to specific implementations and related examples.

This invention proposes a Pearson correlation coefficient-based PSO decision feedback equalizer optimization method, primarily addressing the existing problem of eliminating intersymbol interference (ISI) between signal symbols after transmission over a nonlinear high-speed link. Its implementation involves: performing channel simulation in ADS software to obtain the pre-equalization impulse response waveform and the pre-equalization output response waveform, and saving their text; reading the pre-equalization impulse response text to determine its starting point, and extracting data of length l from the starting point as input data for the channel simulation; inputting this data into a decision feedback equalizer, optimizing the decision feedback equalizer tap coefficients using an improved PSO algorithm; and using the optimized feedback equalizer to equalize the input signal at the receiving end, obtaining a worst-case eye diagram representative of the quality of high-speed signal transmission. Simulation results demonstrate that this invention improves equalization effectiveness and effectively reduces ISI, making it suitable for signal equalization processing at the receiving end of high-speed links.

The invention provides a non-linear optical channel equalization method and system and a medium, and relates to the technical field of optical fiber communication, and the method comprises the steps: carrying out the signal element definition of an optical signal, receiving the optical signal transmitted by an optical channel, executing the signal element verification, and if there is non-linear disturbance, carrying out the signal element verification; the method comprises the following steps of: performing probability density distribution reconstruction based on amplitude on an optical signal, performing optical signal equalization processing under entropy maximization by measuring distribution entropy and triggering a probability distribution equalizer aiming at the probability density distribution, outputting a target optical signal after nonlinear equalization of the optical signal, and importing the target optical signal into an optical channel, and the probability distribution equalizer is arranged at a peripheral interface of the optical channel in an embedded manner. The technical problems that in the prior art, non-linear optical channel equalization calculation is poor in real-time performance, compensation precision is insufficient, and consequently optical communication performance and efficiency are low are solved. The technical effects that the optical signal transmission quality is efficiently and accurately improved, and thus the performance and efficiency of the whole optical communication are improved are achieved.

The application provides a data analysis method and device, electronic equipment and a storage medium. The method comprises the following steps: after obtaining a SIP message to be processed, performing state conversion on the SIP message, determining the state corresponding to a string in the SIP message, then performing an action associated with the state based on a preset extraction rule to extract SIP signaling elements from the SIP message until the string reaches a final state, and obtaining a structured SIP signaling composed of all SIP signaling elements. Thus, the structured SIP signaling can be obtained through one-time scanning and matching without repeatedly traversing the string in the SIP message, so that the SIP signaling analysis efficiency is improved, and the resource consumption is reduced.

The present invention relates to the technical field of device identification, and provides an unmanned aerial vehicle identification method, apparatus, device, storage medium and program product, applied to a base station side comprising a CU-CP and a CU-UP, the method comprising: according to an access request initiated by a terminal to be identified, the CU-CP notifying the CU-UP to establish a bearer context, and adding a cell identifier in a signaling message to capture a code stream; after the bearing context is successfully established by the CU-UP, the service of the monitoring terminal is started, and unmanned aerial vehicle message feature identification is carried out according to the captured code stream; and when the target feature is identified, determining the terminal to be identified as an unmanned aerial vehicle, and reporting an identification result to the core network. According to the characteristic that the unmanned aerial vehicle terminal has the message features different from those of a common terminal, the unmanned aerial vehicle is recognized in a message feature recognition mode, the recognition precision is high, and the time efficiency is fast; the feature recognition unmanned aerial vehicle which has small influence on network performance is used for all online terminals, and the method is friendly to the network performance.

A signal is modified using a modification signal to produce a modified signal. The modified signal having been modified to contain a watermark. The modified signal or a down-sampled modified signal de

The present invention provides a method for estimating the symbol period and symbol synchronization of a rectangular pulse-shaped digital communication signal, belonging to the field of communication technology. A dynamic matrix is constructed to distinguish different symbol data; based on the dynamic matrix, the larger value of the average values obtained from two segmented matrices is taken as S[M], and the absolute value waveform of the difference of S[M] is obtained cyclically, and the initial estimate of the symbol period is obtained according to the maximum point; further, according to the initial estimate, the symbol period estimate value is obtained to achieve symbol synchronization on the basis of the symbol period estimate value. Without knowing the signal modulation system, the present invention does not add additional steps for identifying the modulation system, but directly provides a general method for estimating the symbol period of rectangular pulse-shaped digital communication signals of various different typical systems, and realizes symbol synchronization on the basis of estimating the symbol period, simplifying the entire estimation process and reducing the difficulty of hardware implementation compared with the prior art.

The present invention relates to the field of wireless communication technologies, and particularly relates to a digital predistortion method and system based on a dimensionality weighted K-nearest neighbor algorithm. The present invention classifies the current original signal U', groups signal elements with similar characteristics into one category, and altogether forms N paths. For each path of signal, a trained predistortion improvement model specific to that path of signal is equipped. N paths of current predistorted signals are processed and inversely synthesized into a total predistorted signal X, and then the current amplified signal Y is obtained through processing by a target power amplifier. The present invention solves the problems of limitations and poor flexibility existing in the existing methods. The amplified signal output by the present invention has higher anti-interference ability, stronger signal quality, and higher prediction accuracy.

The invention discloses a lead frame pushing structure and a pusher, and relates to the technical field of semiconductor production, the lead frame pushing structure comprises a pushing head, a pushing arm and a signal piece, the pushing head is movably connected to the pushing arm along a first direction, the pushing arm is used for being connected with an output end of a driving device, and the signal piece is used for receiving the signal piece. The material pushing arm can be driven by the driving device to move in the first direction, the signal piece is arranged on the material pushing head and the material pushing arm and used for being in signal connection with external control equipment, and when the material pushing head has relative displacement relative to the material pushing arm, the signal piece is in signal connection with the external control equipment. And the signal piece can transmit an alarm signal to the external control equipment. The lead frame pushing structure is more accurate in detection of the jamming condition in the material pushing process.

The present invention provides a method, medium and device for identifying and extracting ADS-B IN signal code elements under low signal-to-noise ratio based on FPGA, the method comprising: performing autocorrelation operation on input signal; generating standard pulse with pulse width of N microseconds; performing header detection after cross-correlation operation on the signal after autocorrelation operation and standard pulse; after determining the header, finding the first code element position according to pulse timing, using shift register to store N microseconds before and after the first code element; calculating the amplitude value of N microseconds before the first code element; calculating the amplitude value of N microseconds after the first code element; sampling according to an enable signal with pulse width of 2N microseconds, when the enable signal is valid, comparing the amplitude values ​​of N microseconds before and after the first code element, and outputting code words according to the comparison result; determining the number of sampling times, and completing data locking. The present invention can realize S mode 1090ES code element extraction under low signal-to-noise ratio.

The invention provides a food safety risk assessment method and device, and is suitable for the technical field of data processing, and the method comprises the steps: generating a food safety risk monitoring signal element set according to food safety wireless signal monitoring information, food safety monitoring wireless signal configuration information and food safety monitoring wireless communication node configuration information; optimizing the food safety risk monitoring signal element set to obtain food safety risk monitoring signal optimized element individuals; optimizing the element individuals according to the food safety risk monitoring signals, optimizing the configuration information of the food safety monitoring wireless signals, and obtaining configuration optimization information of the food safety monitoring wireless signals; and according to the food safety monitoring wireless signal configuration optimization information, the food safety risk information base and the food safety risk information, generating food safety risk assessment information. Wireless signals in food safety risk monitoring are optimized, timeliness of food safety risk assessment is improved, and accuracy and effectiveness of food safety risk assessment are guaranteed.

An apparatus includes a communication interface configured to receive a bitstream for a compressed video and a processor operably coupled to the communication interface. The processor is configured to identify a video format for the compressed video. The processor is also configured to determine, from one or more of at least one signaling element and the identified video format, a displacement data packing arrangement. The processor is also configured to retrieve displacement data according to the determined displacement data packing arrangement.

The invention relates to a device (Rx) for increasing the integrity of signals (S) in a signal transmission network, each signal comprising a sequence of one or more signal elements. The apparatus comprises an identification unit configured to identify any injection of a signal element into the received signal based on at least one of: a) a change in signal element amplitude, b) an inversion of a permutation operation applied to the received signal at the time of transmission, c) a signal fingerprint, d) a position of the transmitter, and e) an AI / ML, artificial intelligence / machine learning model. This allows reliable identification of injection of signal elements due to capture effects. In particular, not only over-obscuring attacks can be identified, but also under-obscuring attacks or other injection attacks can be identified. By processing the received signal based on any identified injection of signal elements, signal integrity in the network can be improved.

Disclosed are a device (300) and a system for interacting with a user. The device comprises a communication module (302) configured to communicate with a remote device over a wireless connection, a motion sensor arrangement (304) configured to detect motion data pertaining to the device, at least one signalling element (306, 308, 310) for providing an indication to a user of the device, and a controller unit (312) coupled to the communication module (302), the motion sensor arrangement (304), and the at least one signalling element (306, 308, 310); wherein the controller unit (312) is configured to receive motion data pertaining to the device (300) from the motion sensor arrangement (304), analyse the motion data pertaining to the device, transmit a result of said analysis to said remote device, via the communication module (302), receive information about an indication to be provided to a user of the device, via the communication module (302), and provide an indication to a user via a signalling element (306, 308, 310) based at least in part on said received information.

The application provides an operating box, relates to the technical field of low-voltage electrical appliances, and is used for simplifying the structure of the operating box, reducing the assembly difficulty, and saving the cost investment of the operating box. The operating box comprises a base, a rotating shaft, a knob and a padlock part. The base is provided with a mounting groove. The knob comprises a knob body and a pressing part. The knob body is provided with a first shielding hole, a through hole and a second shielding hole. When the knob is in an automatic position, a manual position and a padlock position respectively, the first shielding hole, the through hole and the second shielding hole correspond to the operating end of the rotating shaft respectively. The padlock part comprises a padlock part and a limiting part. The limiting part is slidingly arranged in the mounting groove. When the knob is in the automatic position and the manual position, the padlock part is in a limiting position and is attached to the base. When the knob is in the padlock position, the padlock part can move away from the base. When the knob is switched between the automatic position and the manual position, the signal element of the operating box can be switched between a closed state and an open state.

There is provided a method of encoding and decoding a signal, the method comprising receiving a first signal (900) and a second signal (960), the first signal (900) using a first signal element encoding format and the second signal (960) using a second signal element encoding format, the first signal (900) and the second signal (960) comprising different versions of common content. The first signal (900) is encoded by a lower encoding module (1103) to generate a lower encoded signal (910). The down-coded signal (910) is decoded to generate a down-decoded signal. The down-decoded signal is processed at least by converting from the first signal element encoding format to the second signal element encoding format and up-sampling to generate a processed signal. The processed signal and the second signal (960) are processed by an upper encoding module (1107) to generate an upper encoded signal (920).

The disclosed device includes a communication module configured to communicate with a remote device over a wireless connection, a motion sensor arrangement configured to detect motion data pertaining to the device, at least one signaling element for indicating to a device user, and a controller unit coupled to the communication module, the motion sensor arrangement, and the at least one signaling element; wherein the controller unit is configured to receive motion data pertaining to the device from the motion sensor arrangement, analyze the motion data pertaining to the device, transmit a result of said analysis to said remote device, via the communication module, receive information about an indication to be provided to a user of the device, via the communication module, and provide an indication to a user via a signalling element based at least in part on said received information. A system for the same is also disclosed.

The invention relates to the technical field of communication, and discloses a cell generation method, device and equipment and a storage medium, and the method comprises the steps: determining a slice identifier of input service slice equipment and a cache write address of a slice based on a service port number and a service channel identifier; determining a storage unit corresponding to a storage group corresponding to the cache write address based on a service port number, and slice data and slice length corresponding to the slice identifier, and writing the slice identifier, the slice length and the slice data into the storage unit; when the storage unit meets a preset condition, reading the slice data in the storage unit; and generating a cell based on a cell label, the slice data, and the slice identifier and the slice length corresponding to the slice data. Through the method and the device, the technical problem that the requirement of reducing the station crossing delay of the small-particle TDM service cannot be met in the prior art is solved.