57results about How to "Implement adaptive switching" patented technology

The invention discloses a target movement situation information data association strategy-based target tracking method. The method includes the following steps that: step 1, the track of a target to be selected is created; step 2, tracking processing is carried out on the track of the target to be selected, a reasonable track of a formal target is established according to a target starting condition; and step 3, a Kalman filtering model is used to carry out filtering estimation processing on the tracks of a tracked target and the formal target, so that a track state estimation value can be obtained, the time to closest point of approach (TCPA) of the tracked target and the formal target is calculated according to a ship collision avoidance radar measurement model and a TCPA value is compared with a target separation time threshold, a target approach time threshold and a target overlap time threshold, so that the movement state information of the targets can be obtained; and step 4, and the association strategy and associated algorithm of the trace points and tracks of the tracked target are determined according to the movement state information of the targets, and the association relation of the tracked target and the trace points can be obtained.

The invention discloses a self-adaptive congestion control method for dynamically adjusting a gain coefficient. A target value reflecting a network condition is calculated by stages; the congestion condition of a current network is determined according to the target value of the network condition reflected in each stage, and the sending rate gain coefficient at a subsequent moment in the network is adaptively adjusted based on the congestion condition of the current network, so that the sending rate can be adaptively adjusted according to the change of the network, and the transmission rate ofthe network is made relatively high. Besides, the ratio of the mean value to the variance is calculated to determine whether the current network is a wired network or a wireless network. According tothe method, adaptive switching in a wired or wireless network environment can be realized, and different minimum round-trip delays are switched according to different network environments to serve asreferences for measuring the network condition, so that the difference between the estimated congestion window value and the actual link capacity is relatively small, and the waste of network resources is avoided.

The invention discloses a self-adaption switch beam forming method suitable for a broadband clustered system. According to the method, users are clustered, an user average angle or all angles in a cluster are adopted depending on circumstances to calculate a channel matrix, and the channel matrix is simplified, so that calculation to a beam forming vector quantity is conducted, and a beam forming vector quantity calculating method by using iteration is adopted to make up reduction of a received signal to noise ratio. According to the self-adaption switching beam forming method suitable for the broadband clustered system, channel relevancy among clustered users is used, computation complexity of the beam forming vector quantity is lowered, judgment is conducted according to numbers and angles of the users by a base station, a suitable beam forming scheme is adopted, and self-adaption switch to beam forming is achieved.

The invention discloses a switch interface rate self-adaptive tuning system and method, equipment and a medium. The tuning system comprises: an interface detection module for detecting an optical module interface of a switch to determine whether an optical module is inserted into the optical module interface, and reading rate information and DDM information of the optical module through a bus of the switch if so; and a driving control module which is used for correspondingly configuring the rate of the optical module interface through the switching chip module of the switch according to the rate information, judging whether an abnormal condition occurs or not according to the DDM information, generating alarm information if the abnormal condition occurs if so, and sending the alarm information to a pre-associated application. According to the invention, the adaptive switching of the interface rate of the optical module of the switch can be realized, and the actual working state of theoptical module can be known in time and intervened by analyzing the DDM information, so that the communication capability of the optical module can be better exerted, and the user experience can be improved.

The invention discloses a universal satellite high-speed data transmission signal timing synchronization method, belonging to the technical field of satellite communications. The method comprises following steps of high-speed sampling, signal demodulation, timing error estimation, timing extraction, loop filtering, timing correlation and gating, sampling frequency controlling and sampling frequency synthesization. Due to adoption of an envelope square timing error estimation algorithm and effective A/D sampling frequency controlling, a closed loop timing synchronization loop is formed finally. According to the method, synchronization is simple, timing synchronization of multiple modulation systems like MPSK, MQAM, MAPSK and so on can be realized, so that the method has good universality and greatly improves the use flexibility.

The invention provides a display mode switching method and apparatus, and a display device, and relates to the technical field of image display. The method and apparatus are applied to the display device in communication connection with a source device, the method comprises the following steps: receiving parameter information of to-be-displayed data sent by the source device; analyzing parameter information, and judging the type to which the to-be-displayed data belong according to the value of type flag data in the parameter information; and switching the display device to a display mode matched with the type to which the to-be-displayed data belong. Therefore, on one hand, the problem of poor display effect and the like resulting from that a user forgets to switch the display mode in a manual switching mode, and on the other hand, the limitation that the display device in the prior art needs to judge the type to which the to-be-displayed data belong according to a source device name sent by the source device is overcome.

The invention discloses a voice command processing method and device. The voice command processing method comprises the steps that the voice command processing device acquires the current system language type of terminal equipment and monitors whether the current system language type changes or not; the voice command processing device acquires the changed system language type when detecting that the current system language type changes; the voice command processing device switches the current voice engine into a target voice engine corresponding to the changed system language type; and the voice command processing device processes a user voice command by using the target voice engine. By adopting the embodiment of the invention, adaptive switching of the voice engine can be realized, and the recognition rate of the user voice command is improved.

The embodiment of the invention discloses a transmission mode switching method and device, and aims to realize self-adaptive switching between transmission modes. The transmission mode switching method is applied to a communication system supporting a first transmission mode and a second transmission mode. The transmission mode switching method comprises the following steps: receiving a channel quality indicator (CQI) reported by user equipment; computing first system throughput during working in the first transmission mode and second system throughput during working in the second transmission mode according to the CQI; computing a switching parameter for executing transmission mode switching according to at least one pair of first system throughput and second system throughput computed in a counting period; and when the switching parameter satisfies a preset transmission mode switching rule, executing switching to switch a transmission mode from a current transmission mode to the other transmission mode in the first transmission mode and the second transmission mode. By adopting the transmission mode switching method and device, self-adaptive switching between transmission modes is realized.

The invention discloses a shooting processing method and a shooting processing device. The shooting processing method comprises steps that a front facing camera of terminal equipment is used to acquire image data; the characteristic information detection of the image data is carried out to acquire a detection result; and the mirror image processing of the image data or the mirror image ignoring processing of the image data is carried out according to a detection result. According to the prior art, the front facing camera is used for the shooting processing, and the image processing function is turned on or turned off by setting of users, and the users are required to determine the processing way suitable for the current shooting condition, and the users are required to set the operation manually, and therefore shooting steps are complicated, and image distortion is easy to occur. By adopting the shooting processing method and the shooting processing device, the above mentioned problems of the prior art are solved.

The invention discloses a deep space communication oriented hybrid repeat method and a device thereof. The device mainly comprises two key functional modules, namely a rate adapting module and a hybrid repeat module. The deep space communication oriented adaptive hybrid repeat method is characterized in that in a communication process, a transceiver end utilizes a hybrid repeat method in which automatic repeat and convolutional coding after rollback by N frames, thereby improving system transmission quality; and furthermore for aiming at hybrid repeat efficiency reduction in a fixed rate on the condition of relatively low channel quality, thereby adaptively regulating the transmission rate according to the channel condition for obtaining an optimal transmission throughput. The invention provides the designed method in which adaptive rate regulation and hybrid automatic repeating are combined, wherein the method has advantages of settling an influence of a time-varying channel to data transmission performance in a deep space communication process, reducing number of repeats of the system based on high data transmission efficiency, and realizing higher-efficiency and higher-quality data transmission.

The invention discloses a wireless sensor node and a node-level/network-level energy-saving algorithm thereof. The wireless sensor node comprises a controller, a program downloading circuit of the controller, wireless transceiver modules which are connected with corresponding interfaces of the controller and the program downloading circuit of the controller, a power supply circuit, an interface circuit which is connected with an upper computer, and a temperature sensor. The node-level energy-saving algorithm is implemented by self-adaptation of the transmitting power of the wireless sensor node. The network-level energy-saving algorithm is implemented by automatically switching network routing communication modes. By adoption of an energy-saving policy provided by the invention, two problems of energy waste (node-level energy waste and network-level energy waste) are solved at the same time, the energy consumption of a wireless sensor network is reduced in two ways, and the operating time of the wireless sensor node is effectively prolonged.

The present invention relates to the field of network communication, in particular to a duplex mode adaptive method, comprising the steps of: obtaining a modulation mode configuration table of a radio communication apparatus and self-interference isolation and receiving/sending signal information, calculating the signal quality of the current duplex mode, and forecasting the signal quality of the non-current duplex mode; inquiring the modulation mode configuration table to obtain the maximum modulation modes of the current and non-current duplex modes; calculating the maximum spectrum efficiency of the current duplex mode according to the maximum modulation mode of the current duplex mode, and calculating the maximum spectrum efficiency of the non-current duplex mode according to the maximum modulation mode of the non-current duplex mode; comparing the the maximum spectrum efficiency of the current duplex mode and the maximum spectrum efficiency of the non-current duplex mode, to select the duplex mode of high spectrum efficiency as a next-step duplex mode; and switching the duplex mode of the radio communication apparatus to the next-step duplex mode.

The invention discloses a self-adaptive host node switching method and device. The method comprises acquiring a host node switching request for switching from a first node to a second node; enabling the first node synchronizing a first log on a first node side to the second node according to the host node switching request so that the second node updates the second log on a second node side; whenthe first node detects that the log offset of the first log is consistent to that of the second log, adding a switching mark at the tail of the first log and synchronizing the switching mark to the second node; after receiving the switching mark, switching the second node into a host node. The self-adaptive host node switching method can achieve self-adaptive switching of the host node without manual intervention, thereby reducing the labor cost; meanwhile, the self-adaptive host node switching method is high in host node switching efficiency and low in system complexity.

The invention discloses a multi-service type adaptive switching judgment method combined with RSS (Received Signal Strength) prediction. The multi-service type adaptive switching judgment method comprises the following steps of: 1, initializing a screening threshold; step 2, scanning surrounding networks; step 2.1, constructing a candidate network; 3, the MD obtains candidate network state information; step 4, the MD detects the service type; step 5, the service type weight information Wb is initialized; 6, the MD detects user preference information; 7, the collected information is uploaded; 8, weight information is updated, and data normalization processing is carried out; step 9, calculating and determining an optimal target network; step 10, executing switching; 11, storing the information; step 12, performing prediction; step 13, calculating a screening threshold RSSth in a screening mechanism; step 14, updating a screening threshold value; and step 15, repeating iteration until the end. According to the method, the MD can adaptively realize the selection and switching of the target network in the UD-HWN, and the signaling interaction between the MD and the BS can be reduced by predicting the RSS between the MD and the optimal target BS at the future moment, so that the energy consumption of the MD is reduced, the available bandwidth of the network is increased, the calculation amount of target network selection is reduced, the switching efficiency is improved, and adaptive switching is realized.

The invention discloses a volatile to-be-detected substance enrichment device capable of realizing cross purging of nitrogen and helium and an application thereof in soil sample detection, and particularly relates to the field of laboratory instruments. The device comprises an upper shell, a switching device, a water removal device and an enrichment device; the switching device comprises a closedpartition plate, a helium inlet pipe and a connecting rod; the closed partition plate is fixedly arranged on the inner circumferential wall of the upper shell, a helium through hole is formed in the closed partition plate, a sliding blocking block is fixedly arranged at the end of the connecting rod, a sliding groove is formed in the lower end of the closed partition plate, and the sliding blocking block is correspondingly arranged below the helium through hole in a sliding mode; the helium inlet pipe is fixedly arranged above the closed partition plate and is communicated with the helium through hole; and a nitrogen through hole is formed in the closed partition plate and located between the inner wall of the upper shell and the outer wall of the helium inlet pipe. The switching device further comprises a driving mechanism. The device has the advantage that the nitrogen carrier gas and the helium carrier gas can be switched according to the actual situation, so the volatile to-be-detected object in the sample can be blown out more easily.

The invention discloses a self-adaptive switching method and device of a wireless antenna and a storage medium. The method comprises the following steps: performing analysis to obtain a first destination MAC address of a first wireless signal sent by network equipment; performing controlling to switch the wireless antenna of the network equipment according to the first destination MAC address, theomnidirectional signal intensity table and the directional signal intensity table; wherein each omni-directional optimal RSSI entry included in the omni-directional signal strength table represents the corresponding relation between the MAC address of the wireless device and the omni-directional RSSI value, each directional optimal RSSI entry included in the directional signal strength table represents the corresponding relationship among the MAC address of the wireless device, the directional optimal RSSI value and the directional antenna sector; an antenna unit of the network equipment comprises an omnidirectional antenna and N directional antennas, the antenna is in one-to-one correspondence with antenna sectors, and the directional antenna sectors of the N directional antennas jointlyform a 360-degree full-coverage sector. According to the invention, the self-adaptive switching of the wireless antenna can be conveniently and effectively realized, and the complexity of a switchingscheme is reduced.

The invention discloses an adaptive switch network routing algorithm based on Clos and T-S-T. In the algorithm provided by the invention, a Clos network and a T-S-T network are used, the adaptive switch network routing algorithm of a SDH signal and a 10GE signal is realized through a mode of label path; a 10GE signal routing algorithm and a SDH signal routing algorithm respectively comprise newlyestablishing a routing program and deleting the routing program. The adaptive switch network routing algorithm based on Clos and T-S-T produces the following beneficial effects: combined with a Clos three-level switch network and a T-S-T three-level switch network, the adaptive switch network is formed, and a large-capacity cross network is designed through a mode of cascading of the Clos networkand the T-S-T network, and adaptive switch of the SDH signal and the 10GE signal is realized through a mode of label path. Through the algorithm, large-capacity adaptive switch network routing scheduling can be realized.

An apparatus for determining a position of at least one object is proposed, the apparatus comprising at least one first emitter (1) that is configured to emit a first transmission light signal (2) which propagates from the apparatus to the object, and the apparatus comprising at least one detector (4) that is configured to detect a reception light signal (3) which propagates from the object to thedetector (4), the detector (4) comprising at least one pixel matrix (5) with at least one pixel (6), the apparatus also comprising at least one passive polarization adaptation unit (7) that is configured to control a polarization of the reception light signal (3) depending on an ambient light signal (8). Further, a method is proposed for determining a position of at least one object by means of such an apparatus, in which method a measurement-control element measures a first signal-to-noise ratio at a first measurement time; and the measurement-control element measures a second signal-to-noise ratio at a second measurement time; and the measurement-control element controls the second emitter to emit the second transmission light signal in place of the first one should the second signal-to-noise ratio be less than the first signal-to-noise ratio.