45 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.

The invention discloses a single-layer film optical property detection method based on combination of transmission Goos-Hanchen shift and spectrum. The method is characterized by comprising the following steps: S1, measuring light spot position information of transmission TM polarized waves of a single-layer film; s2, carrying out data processing to obtain an incident wavelength-transmission Goos-Hanchen shift relation curve; s3, measuring spectral information of the single-layer film; s4, judging the type of a single-layer film: entering S5 when the film type is a reflective film, entering S6 when the film type is a transmission film, and entering S7 when the film type is a beam splitting film; s5, when the single-layer thin film is judged to be a reflecting film, establishing a reflecting film objective function, and calculating to obtain a full-wave-band reflecting film parameter vector; s6, when the single-layer thin film is judged to be a transmission film, establishing a transmission film objective function, and calculating to obtain a full-wave-band transmission film parameter vector; and S7, when judging that the single-layer film is a beam splitting film, establishing a beam splitting film objective function, and calculating to obtain a full-band beam splitting film parameter vector. The effect is that the measurement efficiency and accuracy of the optical characteristics of the single-layer film are improved.

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.

An encoder, a computer program, a computer program product and a method performed in an encoder (210, 1108A, 1108B). The method includes receiving (1203) a full band input frame. The method includes interpolating (620, 1205) a full-band input frame to an intermediate frame. The method comprises performing (630, 1207) an inversion of the spectrum of the intermediate frame to produce a spectrally inverted intermediate frame. The method includes interpolating (640, 1209) the interpolated spectrally inverted intermediate frame to match the sampling frequency of the lowpass filtering and decimation process. The method comprises performing (650, 121) low-pass filtering and decimation of the spectrally inverted spectrum to produce a bandwidth extension (BWE) target signal.

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.

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.

A tire 2 has a nominal aspect ratio of not less than 65%, and includes a tread 4 and a reinforcing layer 20 including: a belt 38 including a plurality of belt plies 42 aligned in a radial direction; and a band 40 including a full band 48 having ends 48e opposed to each other across an equator plane and a pair of edge bands 50 located outward of the ends 48e in the radial direction. The full band 48 includes two end regions 48B and a central region 48A interposed between the two end regions 48B. A density of a band cord of the central region 48A is lower than that of each end region 48B. In an axial direction, each end 48e and an inner end 50ue of each edge band 50 are located outward of a shoulder circumferential groove 28s formed on the tread 4.

An access point (110; 200; 700), consisting of: a processor (705); a memory (710) for storing data; Hardware filters (220; 720) for radio operation; and a first set of radio chains and antennas for operation on a frequency band, wherein the access point (110; 200; 700) comprises at least one first radio mode for operating the first set of radio chains and antennas as a single radio on a first channel to provide a first basic service set (BSS), and a second radio mode for operating the first set of radio chains and antennas as a first radio (120) on the first channel to provide the first BSS, and a second radio (122) on a second channel to provide an additional service, wherein the first radio has a first hardware filter set and the second radio (122) has a second hardware filter set, wherein the first hardware filter set includes a sub-band filter and a full-band filter, and the second hardware filter set includes an upper-band filter and a full-band filter; and wherein the access point (110; 200; 700) is to provide a dynamic configuration of the first radio (120) and the second radio (122) to mitigate interference, wherein the dynamic configuration includes: in response to the first radio (120) and the second radio (122) channels in an upper subband of the frequency band, migrating the BSS from the first radio (120) to the second radio (122) and operating the upper band filter of the second radio (122) and the full band filter of the first radio (120) and increasing a dwell time for the first radio (120) to perform the additional service which includes a search service on the first radio (120); in response to the first radio (120) on a channel in the upper subband and the second radio (122) on a channel in the lower subband of the frequency band, migrating the BSS from the first radio (120) to the second radio (122) and operating the lower band filter of the first radio (120) and the upper band filter of the second radio (122); and In response to the first radio (120) and the second radio (122) on channels in the lower sub-band, increasing a dwell time for the second radio (122) to perform the additional service which includes a search service on the second radio (122).

The invention relates to a WIFI-7 optimized zoning architecture and a method of operation. The invention provides a system or access point with a zoning architecture. The first radio is in communication with a 6G front end module (FEM) connected to a first filter switch group (FSB) configured to enable a 6G high band pass filter, a 6G wide band pass filter, or a 6G narrow band pass filter. The second radio communicates with a 5G FEM connected to a second FSB configured to enable the 6G low-band-pass filter, the first 5G low-band-pass filter, the 5G wide-band-pass filter, or the 5G narrow-band-pass filter. A third radio device communicates with a 2-5G dual band FEM connected to a third FSB configured to enable a 6G full band pass filter, a 5G high band pass filter, or a second 5G low band pass filter. The 2-5G dual FEM may also be connected to a fourth FSB, the fourth FSB configured to enable a 2G application.

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.

Echo cancellation device including: a first adaptive filter (101) that generates a first pseudo-echo signal based on a full band of a received signal; a first downsample processor (104a) that performs a downsampling process on the received signal and extracts a low-band component that is delayed by a first delay amount (D1); a delay control unit (105a, 105b) that inserts a delay of a second delay amount (D2) into the low-band component extracted by the first downsample processor (104a) and outputs the delayed low-band component; a second adaptive filter (106) which generates a second low-band pseudo-echo signal from the low-band component delayed by the second delay amount (D2) and a low-band adaptive filter coefficient; a second adaptive filter changing unit (107) which varies the adaptive filter coefficient of the second adaptive filter (106) based on an output signal from the delay control unit (105b), wherein the output signal is obtained by inserting a delay of a third delay amount (D3) into the low-band component, which has been delayed by the second delay amount (D2); and an upsample processor (108) that performs an upsampling process on the second pseudo-echo signal and generates a third pseudo-echo signal that is delayed by the first delay amount (D1), wherein the delay control unit (105a, 105b) is designed to control the second and third delay amounts (D2, D3) in order to satisfy both criteria (i) and (ii), wherein (i) a delay amount that has accumulated on the third pseudo-echo signal (2D1 + D2), equal to or less than one sampling duration (LA ) is, which indicates a response time of the first adaptive filter (101), and (ii) the total amount of the second and third delay amounts (D2 + D3) is equal to the accumulated delay amount of the third pseudo-echo signal (2D1 + D2).

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.