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243results about How to "Fast feedback" patented technology

Method for collecting abnormal data of TD-SCDMA (Time Division-Synchronization Code Division Multiple Access) wireless communication network user terminal

The invention discloses a method for collecting abnormal data of a TD-SCDMA (Time Division-Synchronization Code Division Multiple Access) wireless communication network user terminal. The method comprises the following steps: firstly, collecting key information of a wireless communication network at real time when a wireless communication network service is used by a user, thereby generating a data log file; comparing the collected network information with a built-in database so as to judge the network state; if the fact that the network is abnormal is detected, judging a reason and writing an abnormal reason and abnormal mobile phone signaling information into the data log file; automatically giving an uploading prompt and automatically uploading the log data onto an appointed back-stage management platform after being agreed by the user; and lastly managing and automatically analyzing the log data in the back-stage management platform. The method can be used for finding out abnormal phenomenon in daily service process based on a commercial terminal, more approaching to network use perception of an ordinary user, efficiently ensuring the consistency of user action and testing result as well as user perception, and more comprehensively estimating the property and the service quality of the whole network.
Owner:DINGLI COMM

Driver identity authorization system for shared vehicle

The invention relates to a driver identity authorization system for a shared vehicle. The system at least comprises an intelligent terminal which is carried by a non-specific user and is in an intelligent communication equipment form as well as a vehicle device provided with vehicle-mounted equipment. A user utilizes the interaction of the intelligent terminal and the vehicle-mounted equipment to acquire the using permission of the shared vehicle. The vehicle-mounted equipment at least comprises an identification module, a verification module, a test terminal and an authorization module, wherein the identification module is used for starting the system; the verification module is used for calculating a first safety level parameter based on the extracted historical driving information of the user and the detected real-time physiological information of the user; the test terminal is used for testing the driving capability of the user by showing a simulated road to the user as well as calculating a second safety level parameter based on the indexes acquired by classified analysis of the driving capability of the user; and the authorization module is used for determining the driving permission of the user based on the first safety level parameter and the second safety level parameter by adopting a weighting method as well as adjusting the user authorization based on the driving permission.
Owner:迪宜艾(威海)数字经济产业园有限公司

Distributed feedback laser with short cavity length

The invention relates to the technical field of semiconductor lasers, and provides a distributed feedback laser with a short cavity length. The laser contains two parts, i.e., a gain region and a reflection region; a metal electrode exists in the gain region, current needs to be injected to provide a gain for the laser; a grating layer of the gain region is a distributed feedback Bragg grating containing a lambda / 4 phase shift region; one end of the gain region is the reflection region which contains a core layer structure which is the same as that of the gain region, i.e., a waveguide transmission layer is also an active quantum well material, but current is not injected to the region; a grating layer of the reflection region is formed by evenly distributed Bragg gratings; an outer end face of the reflection region is plated with an antireflection film or adopts an antireflection structure to reduce reflection; and the other end of the gain region is an output end face of the laser, and the end face is plated with an antireflection film to reduce reflection. The scheme of the laser can enable the laser to still have a relatively low threshold gain and a good side-mode suppression ratio when the cavity length is relatively short, and the laser has the characteristic of small manufacture difficulty at the same time.
Owner:宁波元芯光电子科技有限公司

Real-scene image processing method and server based on location information and time periods

The invention discloses a real-scene image processing method and server based on location information and time periods. The method comprises steps as follows: a real-scene image of a target object is shot, geographical location information of a shooting place is acquired, the geographical location information is firstly sent to the server, if a user inquires that an initialized data base associated with the geographical location information exists in the server, the real-scene image of the target object is sent to the server, then whether a preset image matched with the real-scene image exists in the initialized data base is recognized, if the preset image exists, a preset model associated with the preset image is selected from the initialized data base according to the time period of the current time, the selected preset model is overlaid on the real-scene image, and a final processed real-scene image is obtained. According to the method and the server, the information feedback speed is high, and small hardware resources are occupied; the preset model is enabled to reappear in the real-scene image realistically, and the preset models overlaid in different time periods are different, so that the use experience of the user is better.
Owner:SICHUAN YANBAO TECH CO LTD

Automatic gain control (AGC) method of radio frequency loop of TD-SCDMA (Time Division-Synchronization Code Division Multiple Access) terminal

The invention discloses an automatic gain control (AGC) method of a radio frequency loop of a TD-SCDMA (Time Division-Synchronization Code Division Multiple Access) terminal, which comprises the following steps that (1) a wireless signal enters the radio frequency chip of the TD-SCDMA terminal, and radio frequency amplification is carried out on the wireless signal by a radio-frequency amplifier, wherein the radio frequency amplification gain is changeable; (2) mixing processing is carried out on a local oscillation signal generated by a local oscillation generating circuit and the radio frequency-amplified wireless signal to obtain a low-frequency analog signal; (3) the low-frequency signal obtained by mixing is converted into an original digital signal by an analog to digital converter after being amplified, and then power detection processing and subsequent digital gain processing are respectively carried out, wherein the analog amplification gain and the digital gain-level gain are changeable; and (4) gain control is carried out on the gain feedback process, and the digital signal with stable amplitude is input to a baseband chip. The method can increase the feedback speed of an AGC system in the TD-SCDMA terminal, reduces the errors of the feedback control and reduces the processing computation amount of the baseband chip.
Owner:广州市广晟微电子有限公司

Method and system for implementing online service in enterprise instant communication

The invention provides a method and a system used for realizing an on-line customer service in an enterprise instant communications. A user logs in a client-side. A server carries out an identity verification, and when the verification is passed, the server returns an user authority to the client-side, and according to the user authority, the client-side judges that the user is a customer service personnel, and then the client-side reminds whether to start costumer service. Visitors interview the enterprise costumer service system through Web pages, and the customer service system arranges the on-line customer service personnel for the visitors. By using the method and the system, the enterprise instant communications tool is able to support an on-line customer service conversation, and the enterprise costumer service personnel is able to realize the on-line customer service function only by entering the instant communications system, and two systems for login are not necessary any more, and the enterprise customer service personnel is able to carry out the on-line customer service and other tasks of the enterprise simultaneously by using the instant communications tool. In addition, when the costumer service personnel is not able to give a suitable answer to a question of the visitor, the customer service personnel is able to contact with other customer service personnel to seek help by using the instant communications tool. In this way, a feedback speed to the visitor is improved.
Owner:BEIJING YIQI TELECOMM TECH

Remote automatic collection system and method for scores of directional and direction-finding sports

InactiveCN105797355ALow costImprove game efficiencySport apparatusIdentity recognitionCollection system
The invention discloses a remote automatic collection system and method for scores of directional and direction-finding sports. The remote automatic collection system comprises a plurality of electronic station devices arranged in a sport scene, a plurality of identity recognition devices distributed to sportsmen, a score collection device, a cloud data storage center, a remote management system and an application client. The identity recognition devices are in communication with the electronic station devices in an RFID or NFC mode. All the electronic station devices form a local area network, and the local area network at least comprises a main station and is in data communication with the cloud data storage center through a public mobile network. The score collection device is used for collecting score data of the sportsmen in real time and storing the score data in the cloud data storage center. The application client is used for querying the scores of the sportsmen in real time. By improving present electronic station equipment and system for timekeeping in directional and direction-finding sports, the experience and entertainment of taking part in matches are greatly improved, the efficiency of taking part in matches is improved, the labor dependence cost is reduced, and the activity replicability is improved.
Owner:谢经东

Blast furnace charge level radar scanning 3D imaging device and monitoring system and monitoring method thereof

ActiveCN105886686AReal-time monitoring of real statusFast feedbackChecking devicesRadar3d image
The invention discloses a blast furnace charge level radar scanning 3D imaging device and a monitoring system and a monitoring method thereof. The imaging device is installed on a furnace wall on one side above a blast furnace; real blast furnace charge level scanning information of thousands of points is provided within several seconds through a most advanced radar probing technology and 360-degree holographic scanning; the real state of the blast furnace charge level is monitored in real time, and a charge level three-dimensional image is generated; by adopting the monitoring system and the monitoring method formed by the imaging device, the unsymmetrical material distribution state and the distribution of descending speeds of material charge levels can be detected online in real time, the material distribution information feedback is substantially improved, and technology analysis reaches a new altitude level; and to sum up, the blast furnace charge level radar scanning 3D imaging device and the monitoring system and the monitoring method thereof have the beneficial effects that real-time online detection precision is high and performance is stable, the technical problem that the height and the surface shape of the current blast furnace charge level cannot be accurately measured easily is solved, and optimized operation and reasonable material distribution are performed on the blast furnace.
Owner:天津市三特电子有限公司

Semiconductor laser spectrum beam combining device and method based on collimation-deflection element

ActiveCN110676691AHigh beam combining efficiencyReduce off-axis aberrationsSemiconductor laser arrangementsLaser arrangementsLaser arrayLight beam
The invention belongs to the technical field of semiconductor laser, and discloses a semiconductor laser spectrum beam combining device and method based on a collimation-deflection element. The devicecomprises a semiconductor laser array (1), and a fast axis collimating mirror (2), a light beam rotating element (3), a collimation-deflection element (4), a diffraction grating (5) and an output coupling mirror (6) which are sequentially arranged along a light path, wherein the collimation-deflection element (4) is used for refracting light beams emitted by different emission units and enablingthe light beams to enter the same area of the diffraction grating (5), and the diffraction grating (5) is used for diffracting a plurality of light beams overlapped in the same area at the same diffraction angle, so that the light beams become the same light beam and are outputted. Thus, by improving the composition of each component in the beam combining device, the arrangement mode and the internal structure of each component and the like, the problems of feedback of light beams emitted by an off-center emission unit, low beam combining efficiency and the like in the traditional semiconductor laser array spectrum beam combining mode can be effectively solved.
Owner:HUAZHONG UNIV OF SCI & TECH

Method and system for intelligently reducing speed of grab bucket/carrier loader and lifting-switching mechanism

InactiveCN104909275AIntelligent deceleration implementationRealize intelligent decelerationLoad-engaging elementsWire ropePosition dependent
The invention discloses a method and system for intelligently reducing the speed of a grab bucket/carrier loader of a lifting-switching mechanism, and the lifting-switching mechanism. The method comprises the following steps: acquiring relevant values of real-time positions of a lifting rope and a switching rope, and acquiring relevant values of real-time rotation speeds of a lifting motor and a switching motor; then calculating the real-time position of the grab bucket/carrier loader and the real-time speed of the grab bucket/carrier loader; then calculating the distance with the need of speed reduction of the grab bucket/carrier loader, and determining the position at which the speed of the grab bucket/carrier loader begins to be reduced according to the distance with the need of speed reduction; judging whether the real-time position of the grab bucket/carrier loader is overlapped with the position with the need of speed reduction, and outputting the control command at the beginning of speed reduction of the grab bucket/carrier loader in overlapping. In the process, the position change of a steel wire rope can be detected accurately in real time, and moreover, the calculation process is simple, so that the feedback speed by the whole speed reduction method is very high; furthermore, the position and distance with the need of speed reduction are determined by the real-time position and real-time speed of the grab bucket/carrier loader, so that the method and the system have relatively good precision.
Owner:HUADIAN HEAVY IND CO LTD
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