37 results about "Full band" patented technology

This invention provides a new and improved voice communication system with high quality noise cancellation method and devices to overcome the limitations and difficulties encountered in conventional technologies. This invention discloses a noise cancellation apparatus that includes a vibration sensor and a microphone for receiving and transmitting voice signals as incoming speeches. The vibration sensor is applied to receive vibration signals corresponding to the voice signals for applying the vibration signals as reference signals for removing noise signals generated from environmental noises by converting vibration signals to intermediate PDL representation together with the speaker characteristics, mapping them into full band high quality clean acoustic representation, and synthesizing clear personal speech with characteristics identical to the original microphone speech without noises.

The present disclosure describes embodiments of a temperature sensor with full band PSR. The temperature sensor can include a reference voltage generator, a temperature circuit, and an analog-to-digital converter (ADC). The reference voltage generator is configured to generate a reference voltage. The temperature circuit is configured to operate under a substantially constant bias current and to generate a temperature signal proportional to temperature. The ADC is electrically coupled to the reference voltage generator and the temperature circuit and configured to convert the temperature signal to a digital representation based on a sampling frequency. The ADC comprises a frequency generator configured to generate a modulation frequency having a random variation. The sampling frequency is modulated by the modulation frequency.

The invention discloses a four-in-one full-band directional antenna, which comprises a reflecting plate, a plurality of FPC antenna units are uniformly arranged on the reflecting plate, each FPC antenna unit has the same structure, each FPC antenna unit comprises a support structure, a microstrip feeder is arranged on the support structure close to the area connected with the edge of the reflecting plate, and the microstrip feeder is connected with the FPC antenna unit. And a radiation patch assembly is arranged on one side, back to the reflecting plate, of the supporting structure. The antenna aims at solving the problems that an existing full-band micro base station antenna is uneven in band performance, serious in unit mutual coupling, drifting in beam pointing, low in efficiency and the like, high-performance and high-consistency stable directional radiation in a full band can be achieved, and high-quality 5G MIMO communication is supported.

Provided is a heavy duty tire 2 that can suppress a decrease in durability due to the provision of a band and can achieve improvement of uneven wear resistance. The tire 2 includes a reinforcing layer 20 and a tread 4. The tread 4 has shoulder circumferential grooves 34. The reinforcing layer 20 includes a belt 52 and a band 54. The belt 52 includes an inner belt ply 74 and an outer belt ply 76. The band 54 includes a full band 66. The full band 66 is located between the inner belt ply 74 and the outer belt ply 76. A distance UFc between the full band 66 and the inner belt ply 74 is longer than a distance SFc between the full band 66 and the outer belt ply 76 at an equator plane of the tire 2.

A tire includes a reinforcing layer positioned between a carcass and a tread. The reinforcing layer includes a belt and a band. The belt includes an inner belt ply and an outer belt ply. An inclination direction of the belt cords included in the inner belt ply is opposite to an inclination direction of the belt cords included in the outer belt ply. The band includes a full band obtained by spirally winding a full band strip. The full band is positioned between the inner belt ply and the outer belt ply. The full band strip includes a cord array including a plurality of band cords arrayed. The band cords included in the full band strip are not less than two and not greater than five in number.

The application relates to the technical field of satellite communication, in particular to a full-band liquid crystal antenna and a communication system, which comprises a metal back plate, a liquid crystal phase modulation structure, a plurality of microwave control units and a plurality of laser control units; the metal back plate is electrically connected with the microwave control units, and the metal back plate is also electrically connected with the laser control units; the liquid crystal phase modulation structure is arranged on one side of the metal back plate; the microwave control units and the laser control units are arranged on the side, away from the metal back plate, of the liquid crystal phase modulation structure; each microwave control unit receives and reflects an externally input microwave signal; each laser control unit reflects an externally input laser signal; the liquid crystal phase modulation structure is used for receiving an input bias voltage and adjusting the reflection angles of the microwave signal and the laser signal according to the amplitude of the bias voltage. The dielectric constant change of the liquid crystal under an externally applied direct current voltage is utilized to realize phase control of the laser and microwave signals.

The invention relates to the technical field of laser frequency conversion, and provides a tunable laser generating device, which comprises a pumping laser source, a beam splitting unit and a plurality of tuning units, and is characterized in that the pumping laser source is used for emitting initial laser; the beam splitting unit is used for splitting the initial laser to obtain split laser; the tuning unit is used for tuning based on the beam splitting laser to generate tuning laser in a wave band range; the numerical ranges of all the wave band ranges are different, and all the wave band ranges form a continuous wave band range, so that full-wave-band simultaneous output of the laser is achieved, and the requirement that the deep ultraviolet to middle and far infrared full-wave-band laser is output only through a single laser is met.

To provide improved signal processing for audio encoding and decoding.SOLUTION: The audio encoder comprises a first encoding processor 600 for encoding a first audio signal portion in a frequency domain and a second encoding processor 610 for encoding a second audio signal portion in a time domain. The first encoding processor comprises a time-frequency converter 602 for converting the first audio signal portion into a frequency-domain representation having spectral lines up to a maximum frequency of the first audio signal portion, an analyzer 604 for analyzing the frequency-domain representation up to the maximum frequency to determine a first spectral portion to be encoded with a first spectral resolution and to determine a second spectral portion to be encoded with a second spectral resolution being lower than the first spectral resolution, and a spectral encoder 606 for encoding the first spectral portion with the first spectral resolution and for encoding the second spectral portion with the second spectral resolution.SELECTED DRAWING: Figure 6

This application relates to the field of communication technology and discloses a communication method, apparatus, storage medium, and program product. The method includes: an access network device sending first information to a terminal device, the first information indicating a first type of frequency domain resource; and the terminal device performing SRS transmission on the first type of frequency domain resource and a second type of frequency domain resource; wherein the first type of frequency domain resource and the second type of frequency domain resource are separated by at least a number of frequency domain units equal to the number of frequency domain units included in the first type of frequency domain resource. By performing SRS transmission on the first type of frequency domain resource and the second type of frequency domain resource separated by at least a number of frequency domain units equal to the number of frequency domain units included in the first type of frequency domain resource, the access network device can estimate the channel of the remaining portion of the frequency domain resource in a subband or full band based on the SRS received on the first type of frequency domain resource and the second type of frequency domain resource, thereby improving the accuracy of channel estimation.

The application discloses a full-band GIS ultrahigh frequency partial discharge pulse non-loss collection system and belongs to the technical field of intelligent sensing of primary equipment. The system comprises a signal collection and conditioning module, a double-channel high-speed ADC module and a high-speed data processing and storage module. The signal collection and conditioning module is used for connecting an ultrahigh frequency sensor signal and performing filtering and amplification preprocessing on the signal. The double-channel high-speed ADC module comprises two independent and synchronous collection channels and is used for synchronously collecting the preprocessed signal in a full band. The high-speed data processing and storage module is used for controlling the alternate collection of the double channels, real-time linear compensation, trigger timing control and real-time signal processing. The intelligent analysis and control module is used for performing real-time analysis and fault diagnosis on the collected data and dynamically adjusting system parameters. The application adopts a double high-speed channel collection single signal and realizes a cooperative working mechanism of mutual backup, effectively avoids pulse loss caused by system processing delay, and improves the accuracy of partial discharge analysis and the intelligent level of equipment state sensing.

Provided is a heavy duty tire 2 that can suppress a decrease in durability due to the provision of a band and can achieve improvement of uneven wear resistance. The tire 2 includes a reinforcing layer 20 and a tread 4. The tread 4 has shoulder circumferential grooves 34. The reinforcing layer 20 includes a belt 52 and a band 54. The belt 52 includes an inner belt ply 74 and an outer belt ply 76. The band 54 includes a full band 66. The full band 66 is located between the inner belt ply 74 and the outer belt ply 76. A distance UFc between the full band 66 and the inner belt ply 74 is longer than a distance SFc between the full band 66 and the outer belt ply 76 at an equator plane of the tire 2.

The present invention discloses a network communication apparatus having full band monitoring mechanism. An antenna circuit receives a set of wireless signals in a full band. A receiving circuit includes receivers to receive the set of wireless signals to generate a set of received signals. A first part of the receivers operate in a service mode to perform data receiving on corresponding operation frequency sub-bands, and a second part of the receivers operate in a monitoring mode to perform interference signal monitoring on monitoring frequency sub-bands in the full band. The sub-band filtering circuits filters one of the received signals generated by one of the receivers operated in the monitoring mode to generate a filtered signal. The monitoring circuits perform monitoring on the filtered signal generated by the sub-band filtering circuits to generate signal parameter statistical data.

It is provided a vehicle telematic control unit comprising a printed circuit board having an elongated shape with a first extremity and a second extremity. The TCU further comprises a first cellular full band antenna mounted over the first extremity of the PCB, a second cellular full band antenna mounted over the second extremity of the PCB, and a first cellular middle / high band antenna and a second cellular middle / high band antenna mounted between the first cellular full band antenna and the second cellular full band antenna.

The utility model relates to a power supply noise test system and a power supply noise test system of a double radio frequency antenna product, the power supply noise test system comprises a first antenna, the first antenna is arranged in a product to be tested and is integrated on a circuit board of the product to be tested, the circuit board is provided with a radio frequency connector, and the first antenna is connected with the radio frequency connector; the second antenna is located outside a shell of a product to be tested, the second antenna is connected with the radio frequency connector through a radio frequency test line, and both the first antenna and the second antenna are radio frequency antennas; a near-field probe; the power supply noise test analysis unit comprises a low noise amplifier, an attenuator and a spectrum analyzer which are connected in sequence; the radio frequency test line and the near-field probe are connected with the low-noise amplifier through feeder lines. According to the utility model, different antennas are used to detect local or external power supply noise in a product and power supply noise in a radio frequency band and a full frequency band, so that the detection precision and sensitivity are improved.

The invention relates to an ultra-wideband passive delayer, which comprises a plurality of delay units with different delay durations and a control unit, the first time delay unit receives a signal in a full frequency band range; each delay unit comprises two single-pole double-throw switches, and a passive delayer and a transmission unit which are arranged between the two single-pole double-throw switches; in one delay unit, the control ends of the two single-pole double-throw switches are connected with the control unit, and the passive delayer or the transmission unit is synchronously switched on in response to different control signals sent by the control unit, so that the passive delayer delays the signals input into the passive delayer; the signal after the time delay processing is transmitted to the next time delay unit; or, the transmission unit transmits the signal input into the transmission unit to the next delay unit. The device is not limited by bandwidth, can process radar signals in an ultra-wide range in a high-quality mode, and meets design requirements.

Embodiments of the present invention provide a coding / decoding method, apparatus, and system. According to the coding method, de-emphasis processing is performed on a full band signal by using a de-emphasis parameter determined according to a characteristic factor of an input audio signal, and then the full band signal is coded and sent to a decoder, so that the decoder performs corresponding de-emphasis decoding processing on the full band signal according to the characteristic factor of the input audio signal and restores the input audio signal. This resolves a prior-art problem that an audio signal restored by a decoder is apt to have signal distortion, and implements adaptive de-emphasis processing on the full band signal according to the characteristic factor of the audio signal to enhance coding performance, so that the input audio signal restored by the decoder has relatively high fidelity and is closer to an original signal.

Encoder (500) for encoding an audio signal (AS), comprising: a sub-band decomposition entity (510) configured to obtain individual groups of sub-bands (SBa, SBb, SBc) of the audio signal (AS) based on the audio signal (AS); and several neural encoders (514a, 514b, 514c), each involving learnable layers and configured to code individual groups of sub- bands (SBa, SBb, SBc) or a single full band signal.

A multi-band filtering transceiver includes a multi-band antenna, a transceiver switch, transmission circuitry, receive circuitry, a multiplexer coupled to the transmission circuitry and the receive circuitry. The multiplexer outputs a signal of interest in accordance with an open standard protocol. The receive circuitry includes a bandpass filter coupled to the receiving port of the transceiver switch, a low noise amplifier having an input coupled to the bandpass filter, a band separation circuit coupled to an output of the low noise amplifier. The band separation circuit is operative to output a full spectrum signal corresponding to the entire frequency band and a first sub-band signal corresponding to a first portion of the entire frequency band. A full band circuit to receive the full spectrum signal and a first sub-band circuit first sub-band signal. The full spectrum signal and the first sub-band signal are simultaneously transmitted to the multiplexer for downstream processing.

In a method and system for generating high gain and increased output power in a doped fiber amplifier, a first pair of wavelengths of pump laser light are injected into an active optical fiber between an input end and an output end of the active optical fiber in a co-propagating direction, toward the output end of the active optical fiber, as one or more communication wavelengths of signal light from the input end to the output end of the active optical fiber. A second pair of wavelengths of pump laser light are injected into the active optical fiber between the input end and the output end of the active optical fiber in a counter-propagating direction, toward the input end of the active optical fiber, as the one or more communication wavelengths of signal light from the input end to the output end of the active optical fiber.

The application discloses a host request processing method, a storage medium and an electronic device. The method comprises the following steps: in the case that it is detected that the cache protection of a full flash storage array is invalid, a write log mode is enabled, that is, object data in a host request is written into a cache space and a log space at the same time, so that after the full flash storage array completely fails and is repaired, data in the cache which is not flushed to a storage pool is flushed to the storage pool through the log space. In other words, through the data backup and processing process of the log space, the problem of write amplification caused by full bands in a single control state is avoided, and the data security in the case of complete power failure of the array is ensured, the technical problem of low processing efficiency of the host request under the condition of full flash storage array controller failure or backup power failure in the related art is solved, and the technical effect of improving the processing efficiency of the host request under the cache protection invalid state is achieved.

Provided is a heavy duty tire 2 that can suppress a decrease in durability due to the provision of a band and can achieve improvement of uneven wear resistance. The tire 2 includes a reinforcing layer 20 and a tread 4. The tread 4 has shoulder circumferential grooves 34. The reinforcing layer 20 includes a belt 52 and a band 54. The belt 52 includes an inner belt ply 74 and an outer belt ply 76. The band 54 includes a full band 66. The full band 66 is located between the inner belt ply 74 and the outer belt ply 76. A distance UFc between the full band 66 and the inner belt ply 74 is longer than a distance SFc between the full band 66 and the outer belt ply 76 at an equator plane of the tire 2.

The utility model relates to a full-band omnidirectional dual-port wireless device, which comprises a metal reflecting plate and two antenna units, each antenna satisfies full-band and omnidirectional coverage on a horizontal plane, each antenna is welded with an SMA radio frequency connector and corresponds to two SMA radio frequency connectors in total, 01 corresponds to a metal bottom plate, the thickness is 1mm, and the antenna units are made of aluminum. 02 corresponds to the metal reflecting plate, 03 corresponds to three M3 nuts, and the metal reflecting plate 02 and the metal bottom plate 01 are assembled and fixed. The full-band omni-directional dual-port wireless device comprises two omni-directional full-band antennas, and a mode of a metal structure and a parasitic unit is used, so that the 5G full band is covered by band extension, the requirement of an MIMO (Multiple Input Multiple Output) multi-antenna system is met, the gain of the antennas is improved, and the antenna performance is improved. And the design difficulty and the production cost are reduced, and large-scale mass production can be realized.

A triaxial atom magnetometer full-band decoupling method based on a complex transfer matrix aims to solve the problems in the existing triaxial SERF atom magnetometer decoupling technology, comprehensively considers amplitude and phase coupling information and realizes full-band and high-precision triaxial magnetic field decoupling measurement, and is characterized by comprising the following steps: modeling a triaxial SERF atom magnetometer measurement system into a linear system; a complex transfer matrix representing amplitude and phase linear coupling characteristics among three axes in a full frequency band is obtained through calibration, a measured three-axis response signal is converted by using an inverse matrix of the complex transfer matrix in measurement, and a three-axis magnetic field after full frequency band decoupling is solved. On the premise of considering complete phase information for the first time, three-axis complete decoupling measurement is realized, dependence on magnetic field compensation is remarkably reduced, and a universal solution is provided for high-precision full-band vector magnetic field measurement.

The application provides a topological phase discrimination method based on bulk region measurement. The method comprises the following steps: step 1, measuring S 21 parameters in a bulk region of a crystal with spatial symmetry, wherein the bulk region is a region except a boundary primitive cell; step 2, obtaining a field distribution with a phase from the S 21 parameters, performing Fourier transform on the field distribution, and then performing intrinsic state projection on the Fourier-transformed field distribution to obtain band structure information; and step 3, according to the band structure information, using a symmetry index theory to specifically discriminate the topological phase of the crystal. The method of the application uses the spatial symmetry of the topological structure, is based on bulk region measurement, realizes topological phase discrimination independent of boundary measurement, breaks through the limitation that traditional topological phase discrimination requires a full band gap and an interface state in a band gap, and has an immune feature to a defect state, and can adapt to a wider topological phase discrimination scene.

The utility model discloses a dual-polarized broadband reconfigurable metasurface structure for RCS reduction, which comprises a functional layer, a first dielectric layer, a reflecting layer, a second dielectric layer, a feed layer and a third dielectric layer from top to bottom, and three metalized via holes are connected between the functional layer and the third dielectric layer. The three metalized via holes sequentially penetrate through the first dielectric layer, the reflecting layer, the second dielectric layer and the feed layer, the functional layer comprises a first metal patch, a second metal patch, a third metal patch, a fourth metal patch and a fifth metal patch, and two diodes are connected between the first metal patch and the second metal patch and between the first metal patch and the third metal patch respectively. Two resistors are respectively connected between the first metal patch and the fourth metal patch and between the first metal patch and the fifth metal patch, and the first metal patch, the second metal patch and the third metal patch are respectively connected with the metalized via holes, so that the purpose that the reflection amplitude phase of the metasurface structure is adjustable is achieved, RCS reduction is achieved in an X full wave band, and broadband performance is achieved.

Disclosed are systems and methods to modify the Bluetooth mono HFP protocol to support bi-directional stereo operation for high bandwidth audio including 12-KHz wide-band, 16-KHz super wide-band (SWB), and 24-KHz full band (FB) audio. The techniques leverage the larger packet size and longer duty cycle of the 2-EV5 transport packet and expand the block size of the audio frames generated by the AAC-ELD codec to increase the maximum data throughput from the 64 kbps of the mono HFP protocol to 192 kbps using a stereo HFP protocol. The increased throughput not only supports stereo operations, but allows the transport of redundant or FEC packets for increased robustness against packet loss. In one aspect, the AAC-ELD codec may be configured for dynamic bit rate switching to flexibly perform trade-offs between audio quality and robustness against packet loss. The stereo HFP may configure the maximum throughput based on the desired audio quality.

Embodiments include systems and methods for supporting registration in a fifth generation (5G) new radio (NR) (5GNR) standalone (SA) network by a processor of a multi-subscriber identity module (SIM) wireless device configured with a first subscription and a second subscription. Various embodiments may include determining whether the first subscription received a shared mobile country code (MCC) from the second subscription and the shared MCC is different than an MCC of a home public land mobile network (HPLMN) of the first subscription in response to preforming a full band scan of frequencies supporting the first subscription, and stopping the full band scan by the first subscription and scanning a 5GNR band associated with the shared MCC in response to determining that the first subscription received the shared MCC from the second subscription and the shared MCC is different than the MCC of the HPLMN of the first subscription.

The invention relates to the technical field of photonic crystal design, and discloses a photonic crystal structure and a design method thereof. The design method comprises the following steps: setting a first section size and a target thickness size of a photonic crystal unit, wherein the photonic crystal unit comprises a solid scatterer and a matrix; setting a preset range of second section sizes of the scatterer, and selecting a plurality of different second section sizes in the preset range; obtaining dispersion relation curve graphs corresponding to different second section sizes to obtain a plurality of complete band gaps, and comparing the widths of the plurality of complete band gaps to obtain a target complete band gap; obtaining a target section size of the scatterer according to the target complete band gap; and performing array arrangement on the plurality of phononic crystal units to form the phononic crystal structure. Starting from the phononic crystal unit of the phononic crystal structure, the invention provides a design process of the phononic crystal unit based on material and boundary size determination and with the cross section size of a scatterer as a variable, and obtains the phononic crystal unit and the phononic crystal structure with optimal band gap characteristics.

The present application relates to the technical field of communications, and discloses a communication method and apparatus, a storage medium, and a program product. The method comprises: an access network device sends first information to a terminal device, wherein the first information indicates a first-type frequency domain resource; and the terminal device performs SRS transmission on the first-type frequency domain resource and a second-type frequency domain resource, wherein the first-type frequency domain resource and the second-type frequency domain resource are separated by at least a number of frequency domain units equal to the number of frequency domain units comprised in the first-type frequency domain resource. The terminal device performs SRS transmission on the first-type frequency domain resource and the second-type frequency domain resource that are separated by at least a number of frequency domain units equal to the number of frequency domain units comprised in the first-type frequency domain resource, so that the access network device can estimate a channel of the remaining frequency domain resources of a sub-band or a full band on the basis of an SRS received on the first-type frequency domain resource and the second-type frequency domain resource, thereby improving accuracy of channel estimation.

The present disclosure relates to a 5G communication system or a 6G communication system for supporting higher data rates beyond a 4G communication system such as long term evolution (LTE). A method includes: transmitting, by a first electronic device, configuration information for sounding reference signals (SRSs) to second electronic devices, the configuration information including non-uniform sampling patterns for the SRSs; receiving, by the first electronic device, non-uniformly sampled SRSs over respective channels from the second electronic devices based on the configuration information; preprocessing the non-uniformly sampled SRSs to extract channel state information of the channels; and reconstructing, using an artificial intelligence model trained to perform channel inpainting, a full band SRS for each of the channels based on the channel state information.