11 results about "Frequency plan" patented technology

The application discloses a frequency planning method based on an electromagnetic spectrum large model, aiming at solving the problems of low analysis efficiency caused by relying on manual checking of a large number of ITU documents in the existing frequency planning process, and the problem of incomplete analysis results caused by a single retrieval mode being difficult to simultaneously consider information correlation and diversity. The method comprises the following steps: step one, preprocessing ITU related documents, and adopting a vector embedding model to construct a vectorized knowledge base; step two, acquiring service parameters and scene parameters input by a user; step three, based on a multi-path retrieval mechanism jointly driven by a service-scene, retrieving the vector knowledge base; step four, utilizing an electromagnetic spectrum large model, combining the retrieval result to carry out spectrum compatibility and planning feasibility analysis; and step five, outputting a frequency planning feasibility analysis result. Through deep fusion of the vector knowledge base and the electromagnetic spectrum large model, the application effectively improves the intelligent level, accuracy and efficiency of frequency planning, and provides a new paradigm for rational allocation of spectrum resources and multi-service coexistence analysis.

The application is suitable for the field of communication technology, and provides a global frequency planning method and system based on graph coloring and cost function, the method comprising: obtaining site information of to-be-planned frequencies, outputting a division result about a sub-connected graph according to the site information, and performing frequency point allocation through a graph coloring algorithm according to the principle that the frequencies between directly connected adjacent sites are different; traversing all sites, and counting a site set which has not been allocated frequencies; judging whether the site set is empty or not, when the site set is not empty, calculating an interference cost function when the site which has not been allocated frequencies and its directly connected sites are allocated the same frequency, and performing frequency allocation according to the principle that the minimum cost function is optimal, until the site set is empty, the embodiment of the application can realize automatic and rapid global frequency planning according to site positions and user working probability and other information, and can effectively reduce mutual interference between sites.

The invention discloses a satellite-ground integrated flexible load resource efficient management and control system and method, a DTP and a DTP controller are configured on a satellite, a corresponding ground management and control system is configured on a ground station or a user terminal to construct a satellite-ground integrated resource management and control link, and flexible management and control of satellite load beam coverage, frequency planning and power configuration are achieved. The core of the invention is to realize uplink management and control instruction receiving and downlink state information sending through a digital signal interface between the DTP and the DTP controller, whether a management and control link is based on a feed link or a user link is not distinguished any more, and a simple, reliable and efficient management and control protocol and a management and control process are designed; software definition of functions and performance of the flexible load is achieved, management and control efficiency of the high-flux flexible load is greatly improved, and the method is the key of good use and easy use of the high-flux flexible load.

The invention discloses a frequency planning analysis method and device for ionosphere environment information decision. The method comprises the following steps: acquiring scattering frequency sweeping data information, oblique frequency sweeping data information and available frequency band resource information; processing the scattering frequency sweep data information and the oblique frequency sweep data information to obtain ionosphere three-dimensional distribution model information; and processing the available frequency band resource information and the ionized layer three-dimensional distribution model information to obtain working frequency result information. Visibly, according to the embodiment, the optimal frequency selection can be obtained by analyzing the ionosphere environment information, so that the utilization efficiency of spectrum resources is effectively improved, frequency interference is avoided, the stability and reliability of a communication system in different ionosphere environments are ensured, the communication quality is improved, and the method and the device have good application prospects especially in occasions of emergency communication, broadcast sealing control and the like. And the information is ensured to be unobstructed and the maximum efficiency is exerted.

The invention discloses a strategy-based frequency on-line automatic adjustment method, which comprises the following steps of: carrying out coarse-grained frequency time division on an overall frequency area and a unit frequency area through a frequency management strategy and layered frequency planning, and carrying out fine-grained frequency collaborative planning on the interior of each unit frequency area; and performing automatic strategy adjustment according to the efficiency evaluation result of the task. According to the method, the service relationship of each frequency device can be coordinated, and mutual interference among the frequency devices is eliminated to the greatest extent, so that a scientific and effective real-time frequency plan is provided for normal work of the whole system, and smooth implementation of the frequency demand is ensured; while the coupling degree of each frequency device is reduced, the complexity and response time of a frequency planning system can be effectively reduced, and a scientific and effective real-time frequency plan can be adaptively provided.

The application provides an electric energy metering SOC chip and a communication method, and relates to the technical field of communication, wherein the system comprises a group of communication modules, a dynamic frequency planning module and an intelligent communication scheduling module; the dynamic frequency planning module is used for detecting the working state of each communication module in the group of communication modules to obtain a detection result; the dynamic frequency planning module is further used for automatically adjusting the transmission power and working frequency of each communication module in the group of communication modules according to the detection result; the intelligent communication scheduling module is respectively electrically connected with each communication module in the group of communication modules; the intelligent communication scheduling module is used for selecting a target communication module from the group of communication modules according to the type of a current task, and dynamically allocating communication resources to the target communication module to transmit data corresponding to the current task. The technical scheme provided by the application improves the communication reliability and stability.

The application discloses an ionosphere environment information decision frequency planning analysis method and device, the method comprises the following steps: acquiring scattering sweep data information, oblique sweep data information and available frequency band resource information; processing the scattering sweep data information and the oblique sweep data information to obtain ionosphere three-dimensional distribution model information; processing the available frequency band resource information and the ionosphere three-dimensional distribution model information to obtain working frequency result information. It can be seen that, through the analysis of ionosphere environment information, the best frequency selection can be acquired, thereby effectively improving the utilization efficiency of spectrum resources, avoiding frequency interference, and ensuring the stability and reliability of the communication system under different ionosphere environments, which is beneficial to improving the communication quality, especially in emergency communication and broadcast control occasions, ensuring the smooth and unobstructed information, and playing the maximum efficiency.

This invention relates to wireless synchronization of multi-channel radio frequency (RF) heating and drying equipment, specifically a multi-channel RF device for heating and drying applications, comprising a first channel and a second channel. More specifically, this invention relates to synchronizing multi-channel RF devices for heating and drying applications. More specifically, this invention relates to a solid-state cooking device and synchronization of the solid-state cooking device. The multi-channel RF device according to the invention is characterized in that: the second channel is configured to wirelessly receive a first RF signal transmitted by the first channel, extract the frequency of the first RF signal from the received first RF signal, generate a second RF signal based on the extracted frequency, and transmit the second RF signal into a chamber. By wirelessly synchronizing the RF channels, no RF hardware is required between multiple channels, and frequency planning for the second channel is eliminated. Wireless synchronization can significantly reduce the cost of multi-channel RF devices whose signal sources are physically separated.

A digital radio includes an input configured to receive an input signal and an analog- to-digital converter (ADC) configured to sample analog data in the input signal into a digital input signal. The digital input signal has first digital data encoded at a first data rate modulated at a first frequency. The digital radio further includes a signal processor configured to generate, based on the digital input signal, a digital output signal having second digital data encoded at a second data rate modulated at a second frequency. The first data rate is different from the second data rate and / or the first frequency is different from the second frequency. The digital radio further includes an output configured to provide the digital output signal to a target device, where the second data rate and the second frequency match a frequency plan of the target device.

This application provides a method and system for frequency offset planning of a detection formation with enhanced phase-locked topology. The detection formation includes three satellites arranged in a triangular array: Satellite 1, Satellite 2, and Satellite 3. Each satellite is equipped with two optical platforms, and each optical platform has a laser. The phase-locked topology selects one laser as the master laser and the others as slave lasers. The method includes: acquiring orbital information of a space-based gravitational wave detector, calculating time-varying inter-satellite Doppler frequency shift data, establishing an enhanced phase-locked topology structure and a general representation model, and using the Attempt-Update optimization method to achieve frequency offset planning within an N-year period. The advantages of this application are: expanding the feasible phase-locked topologies to 144 types; and improving the efficiency of phase-locked topology selection and calculation during the optimization process.