32results about How to "Implement dynamic changes" patented technology

The present invention discloses an encrypting communication method and device. The method includes the steps of: (1) generating certain of communication keys at the transmitting terminal and the receiving terminal; (2) the transmitting terminal consults with the receiving terminal of the communication key to confirm a key adopted for communication; (3) the transmitting terminal and the receiving terminal communicate according to the consulted key and go into step (2) to perform key replace when the predetermined condition of replacing communication key is satisfied and then communicate according to the replace communication key. The present invention solves the technology problem of communication safety because of the fixing and unique of the communication key, and the safety and reliability of the communication are improved by the replacing of the key in the communication process by the consulting between the transmitting terminal and the receiving terminal.

The invention discloses an information processor based on form field fusion and a construction method. The information processor comprises a fusion device pool, a fusion dispatching device, a field plant, a field memory and a fusion engine. According to the information processor disclosed by the invention, by executing defined information fusion script field depiction, information processing and problem solving are realized; and the information processor has the main composition parts of the fusion device pool, the fusion dispatching device, the field plant and the field memory, wherein the field plant applies for a needed fusion device to the fusion dispatching device according to field depiction in a field depiction memory to generate a field corresponding to the field depiction, and the field is started to run; affairs of assignment, multi-field sharing, recovery and the like of the fusion device are all carried out by the fusion dispatching device; and a base position of the fusion device is arranged in a corresponding processor, but an extension position of the fusion device is arranged on other arbitrary calculation node according with the specification to form a distribution type reconfigurable calculation system.

This invention discloses a relay amplification device with the TR control function including: a coupling unit and a working state control unit, in which, the coupling unit couples the RF signals from the base station to a first TR switch unit and a working state control unit separately, which controls the conduction of the up-link of the relay amplifying device based on the RF signal received from the base station, its power amplification, cut-off and close of the power amplifier of the down-link or controls the down-link conduction and its power amplifier, the cut-off of the up link and shutof its power amplifier, besides, this invention also provides a control method for TR signals of the relay amplification device.

A transmitter control method, comprising: a wake-up step of waking up and starting the transmitter through a trigger signal generated by a timer; an input control parameter update step of detecting whether the transmitter receives an input control parameter from outside the transmitter, If received, update the input control parameters stored in the transmitter with the received input control parameters; the input control parameter reading step reads the input control parameters currently stored in the transmitter; the sensor signal acquisition step, according to the performing operations on the read input control parameters to control the transmitter to select a sensor signal from a plurality of sensor signals, amplify the selected sensor signal with a gain within the first gain range, and output the amplified sensor signal; and sleep Step, when it is determined that the transmitter completes the task specified by the read input control parameter, reset the timer and enter a dormant state until the timer generates the trigger signal.

A cloud-integrated Wi‑Fi device self-organizing network method belongs to the field of protocol communication control technology, comprising the following steps: S100, the cloud server designates a server under the SSDP protocol, and designates a client under the SSDP protocol to complete the Internet of Things topology configuration, generate configuration information, and then push the configuration information to the Wi-Fi router through the Internet, the configuration information includes at least one topology layer of the Internet of Things, and one is specified in each topology layer The upper-level IoT node identifier and several lower-level IoT node identifiers correspondingly associated with the upper-level IoT node identifier; S200, when the server is offline or the server is updated, the cloud server redesignates a networked device as a new server. Through this solution, the dynamic change of device identity within the network can be realized, which facilitates ad hoc networking among multiple devices, increases flexibility, and at the same time avoids network paralysis caused by server disconnection.

The invention discloses a method used for the key agreement of a USB KEY audio encryption / decryption device, which comprises the following two courses: one course is that the USB KEY audio encryption / decryption device carries out encryption processing on a collected audio signal according to set state, and the other is that the USB KEY audio encryption / decryption device carries out decryption processing on a received digital audio signal according to the type of the digital audio signal data. Through a key agreement carried out in the USB KEY audio encryption / decryption device between a sender and a receiver, the method of the invention realizes dynamic change of the encryption / decryption key and the encryption / decryption algorithm, then overcomes the defect that the encryption / decryptionkey and algorithm of the USB KEY audio encryption / decryption device in the prior art is single and fixed, improves the safety and reliability of the audio communication and transmission, strengthens the anti-destroy ability of the encrypted audio data and ensures the encryption intensity of the audio data which is impossibly stolen in a computer or a communication link.

The invention discloses a dynamic adaptive code rate selection method based on a MPEG-DASH (MPEG-Dynamic Adaptive Streaming over HTTP) protocol. The dynamic adaptive code rate selection method comprises the steps of: firstly, establishing a HTTP connection between a server and a client; by the client, sending a HTTP Get request to the server, requesting to download a MPD file and storing the MPD file; after the server receives the request of the client, by the server, responding to the client and sending the MPD file, and by the client, downloading the MPD file and parsing the downloaded MPD file; according to an URL address obtained by parsing the MPD file, firstly downloading one part of a slice at the minimum code rate, placing the slice into a cache region, carrying out calculation, statistics and recording on a network bandwidth when the video slice is downloaded, and predicting a network bandwidth when a next video slice is downloaded; and by combining a current residue condition of video slices of the cache region, selecting a code rate for downloading the next video slice until the end. An effect of improving video quality to the greatest extent in the premise of smoothly carrying out playing is achieved, and viewing experience of a user is greatly enhanced.

The invention relates to an intelligent audio broadcast system automatically negotiating parameter configuration. The intelligent audio broadcast system comprises a sending system and a receiving system, the sending system comprises a wireless audio sending device used for broadcasting audio signals, the receiving system comprises a wireless audio receiving device and a sound module, the wireless audio receiving device is used for corresponding to the sending device and receiving audio broadcast, and the sound module enables the received audio signals to be amplified to enable a horn to produce sound. The sending system further comprises a sending auxiliary wireless transceiver used for transmitting configuration parameters to each receiving module, the receiving system further comprises a receiving auxiliary wireless transceiver used for negotiating with the sending system and configuring the parameters of the wireless audio receiving device, and the sending auxiliary wireless transceiver and the receiving auxiliary wireless transceiver are in the work pattern of double-direction wireless radio. The intelligent audio broadcast system has the advantages that double communication is utilized, the sending device and the receiving device can negotiate configuration of channels with each other, and the sending device corresponding to the receiving device can be changed in a dynamic mode.

The invention relates to a light pulse shaper based on a double-array fiber grating, comprises an optical frequency comb source, an optoisolator and an amplitude controller, wherein the output end of the optical frequency comb source is connected with the input end of the optoisolator, the output end of the optoisolator is connected with the input end of the amplitude controller, and the output end of the amplitude controller outputs even function waveform light pulses. A working method of the light pulse shaper based on the double-array fiber grating comprises the following steps of: (1) inputting; (2) controlling amplitudes: splitting light, adjusting phases, and interfering; and (3) outputting. In the invention, the size of light spectrum amplitudes can be continuously accurately changed by only using a fiber stretcher, thereby realizing the dynamic adjustment of the light spectrum amplitudes; simple structure, little loss and easy coupling with other optical devices are achieved; random waveform light pulses of even function waveforms can be output; and shaping bandwidth can be increased by increasing the wavelength interval of adjacent gratings or increasing the number of gratings, thereby enabling the bandwidth of the device to be easy to upgrade.