Beiming Li
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View article: Research on underwater target localization technology based on active and passive electric field
Research on underwater target localization technology based on active and passive electric field Open
Aiming at the issue that in view of the common underwater target electric field detection and localization technology, its electric signal attenuation in the water is faster and easy to be affected by the underwater complex environmental n…
View article: Learning to Explore Indoor Environments using Autonomous Micro Aerial Vehicles
Learning to Explore Indoor Environments using Autonomous Micro Aerial Vehicles Open
In this paper, we address the challenge of exploring unknown indoor aerial environments using autonomous aerial robots with Size Weight and Power (SWaP) constraints. The SWaP constraints induce limits on mission time requiring efficiency i…
View article: SEER: Safe Efficient Exploration for Aerial Robots using Learning to Predict Information Gain
SEER: Safe Efficient Exploration for Aerial Robots using Learning to Predict Information Gain Open
We address the problem of efficient 3-D exploration in indoor environments for micro aerial vehicles with limited sensing capabilities and payload/power constraints. We develop an indoor exploration framework that uses learning to predict …
View article: Research on improvement of hybrid particle swarm algorithm in underwater active electric field positioning technology
Research on improvement of hybrid particle swarm algorithm in underwater active electric field positioning technology Open
Since the underwater active electric field positioning algorithm based on the MP-MUSIC algorithm has a slower positioning search speed, the hybrid particle swarm algorithm is introduced to speed up the positioning search speed and position…
View article: Research on Spectrum Optimization Technology for a Wireless Communication System
Research on Spectrum Optimization Technology for a Wireless Communication System Open
In this study, the principle of minimum spectral energy leakage is applied, and the mathematical model is also established by the general function through adding different constraints. To allow the target baseband signal to have a high-qua…
View article: Research on an Optimization Method for a Partially Responsive Continuous Phase Modulated (CPM) Signal Based on an Optimal Generic Function
Research on an Optimization Method for a Partially Responsive Continuous Phase Modulated (CPM) Signal Based on an Optimal Generic Function Open
This paper establishes an optimal generic function model in order to obtain a continuous phase modulated (CPM) signal with a smoother phase modulation function. This is achieved by finding the solution to the symbol signals at different le…
View article: Comparative Study of Analytic Solution and Numerical Solution of Baseband Symbol Signal Based on Optimal Generic Function
Comparative Study of Analytic Solution and Numerical Solution of Baseband Symbol Signal Based on Optimal Generic Function Open
In this paper, the optimal mathematical generic function model is established using the minimum out‐of‐band energy radiation criterion. Firstly, the energy limit conditions, boundary constraints, and peak‐to‐average ratio constraints are a…
View article: FPGA Realization of Duffing Chaotic Oscillator Based on Runge-Kutta Algorithm
FPGA Realization of Duffing Chaotic Oscillator Based on Runge-Kutta Algorithm Open
Duffing chaotic oscillator shows good detection and communication effect since it is sensitive to initial condition and has good resistance to noise.This paper presents an effective method for the digital hardware realization of Duffing ch…
View article: The PCSS Communication System Based on the Method of Successive Contrast
The PCSS Communication System Based on the Method of Successive Contrast Open
Parallel Combinatory Spread Spectrum (PC/SS) communication system has higher data transmission capability and bandwidth efficiency than conventional Spread Spectrum (SS) communication system.Meanwhile, PC/SS system must correctly select al…
View article: Research on Parallel Combinatory Spread Spectrum Communication System with Adaptive Variable-Rate Data Transmission
Research on Parallel Combinatory Spread Spectrum Communication System with Adaptive Variable-Rate Data Transmission Open
This paper presents a novel parallel combinatory spread spectrum (PC/SS) communication system which combining with channel estimation technology.It can be used to realize adaptive variable-rate data transmission.When the channel condition …