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

The invention provides a method for realizing adaptive frequency band switching of G3-PLC network communication. The PAN coordinator module in PLC network obtains and records the ambient noise level,communication signal quality level, network topology level and communication success rate of each communication module in the network, and obtains the the application values of CENELEC-A and FCC communication bands to the power line environment, and allocates the same to each communication module in the network step by step, and the switch of hardware filter circuit and software protocol stack and configuration parameters are controlled by using the delay synchronization control algorithm, so that the whole adaptive switching of G3-PLC network communication frequency band and adaptive controlof subcarriers are realized. This G3-PLC network communication frequency band adaptive switching method adopts automatic evaluation and automatic switching of communication frequency band and subcarrier mask in specific power line environment, which saves human cost, reduces network structure complexity and improves communication reliability.

The invention provides a mode switching method and the mobile terminal, for switching between multiple network modes, and the mode switching method comprises the step of: if the mobile terminal is under the cover of the first network, when the signal of the first network is lower than a threshold value, the mobile terminal will search for the second network and switch the mode according to the searching result. Thus, it implements self-adapting switching between different networks and has advantages of a double-mode form, and implements smooth transition between different networks.

The present invention provides a pulse dimming circuit and a method thereof. The pulse dimming circuit is compatible for both DC input signal and PWM input signal using only one circuit board, and includes a first input port, a second input port, a comparison signal generator, a comparator, a logic module, and a switch network electrically coupled to the second input port, an output terminal of the comparator, and an output terminal of the logic module.

The invention discloses a method, a terminal and a security carrier for self-adaptive switching of a cryptographic algorithm system. In one embodiment of the present invention, the method for adaptive switching of cryptographic algorithm systems includes sending an application selection command to a security carrier that interacts with the external application; receiving a response to the application selection command from the security carrier, The response includes a secure bearer algorithm indicator; by comparing the secure bearer algorithm indicator with the algorithm list supported by the external application, determine the cryptographic algorithm system to be used; and send an application initialization command to the secure bearer, the The application initialization command includes a transaction algorithm indicator that identifies the cryptographic algorithm system to be used.

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 count clock data detection method. According to the self-adaptive count clock data detection method, a clock frequency input by a single external load is recognized in real time by means of a local clock according to a three-item counting method involving high level count, low level count and the sum of the high level count and the low level count, and thus automatic recognition of the data of the load is achieved; then, data of two loads are recognized automatically according to a logical combination algorithm, and thus self-adaptive switching of the clock data of the two loads is achieved according to countless switching commands in the system design. Self-adaptive recognition of the data of one of the multiple loads is achieved after expansion, and selection of the clock data of one of the multiple loads is achieved. The self-adaptive count clock data detection method is also suitable for the situations that externally input clock signals are broken clock signals, or constant-level signals or noise wave signals, and the antijamming capability is high.

The invention discloses a spare power automatic switching system with a self-adaptive switching intermediate resistance grounding mode, and an operation method thereof. The spare power automatic switching system comprises a spare power automatic switching device which is applied to a 10 KV transformer substation system with the intermediate resistance grounding mode, wherein the 10 KV transformer substation system adopts an external bridge expansion wiring mode, a 110 KV side is provided with three bus bars connected through buscouple switches, and the 10 KV side is provided with four sections of bus bars with three grounding transformers respectively. The spare power automatic switching device comprises an analog input end, trip position contacts and input amount contacts of bus bar intermediate resistance switching-in pressing plates, wherein the analog input end is connected into voltage and currents of the four sections of bus bars on the 10 KV side; the trip position contacts are connected into all branch loop switches, buscouple switches and all intermediate resistance switches connected with all the buses on the 10 KV side. The 10 KV transformer substation system comprises contact on-off input ends of all locking spare power automatic switching switching-in amount aiming at spare protection of all main transformers and manual tripping acts of all switches. The spare power automatic switching system can achieve mutual switching of main power supplies and spare power supplies as well of self-adaptive switching of intermediate resistance grounding points by optimizing the structure and the operation logic of the spare power automatic switching system.