Results 51 to 60 of about 2,703 (160)

信号增强网络驱动的调制识别

open access: yesDianxin kexue
现有基于深度学习的调制识别在训练阶段需要大量IQ信号样本,而复杂电磁环境中很难获取大量样本,导致基于深度学习的调制识别算法泛化性能下降。针对网络泛化能力差的问题,提出了一种基于信号增强的调制识别(signal enhancement based modulation recognition,SEBMR)算法。首先,设计了捕获IQ信号全局特征的特征提取及重构模块;其次,提出了基于辅助分类生成对抗网络(auxiliary classifier generative adversarial network ...
程风云, 周金
doaj   +1 more source

Child Rights Impact Assessment: A Policy Tool for a Rights‐Respecting Digital Environment

open access: yesPolicy &Internet, Volume 17, Issue 3, September 2025.
ABSTRACT Businesses that develop digital products and services often anticipate generic users, paying insufficient attention to the needs and rights of children who may use or be impacted by their practices. This article investigates the potential of child rights impact assessment (CRIA) as a policy tool to protect and respect children's rights in the ...
Sonia Livingstone, Kruakae Pothong
wiley   +1 more source

Pollen morphology, deep learning, phylogenetics, and the evolution of environmental adaptations in Podocarpus

open access: yesNew Phytologist, Volume 247, Issue 3, Page 1460-1473, August 2025.
Summary Podocarpus pollen morphology is shaped by both phylogenetic history and the environment. We analyzed the relationship between pollen traits quantified using deep learning and environmental factors within a comparative phylogenetic framework.
Marc‐Élie Adaimé   +4 more
wiley   +1 more source

Research on Decision-Making at Intersection Without Traffic Lights Based on Deep Reinforcement Learning [PDF]

open access: yes
Left-turn intersections without signal lights are among the most dangerous scenes in autonomous driving, and achieving efficient and safe left-turn decision-making is highly challenging in autonomous driving.
FU Mingjian, GUO Fuqiang
core   +1 more source

China's Eco‐Civilisation, Climate Leviathan, and Hobbesian Energy Transition

open access: yesAntipode, Volume 57, Issue 3, Page 830-861, May 2025.
Abstract Scholars have hitherto tended to theorise China's ecological civilisation project either as a form of environmental authoritarianism or as a vision of eco‐socialism. This paper contributes to the conversation by conducting a textual analysis of Chinese scholarly discussions on eco‐civilisation.
David Chen
wiley   +1 more source

A qualitative study of nursing students' perceptions of clinical training experience and application of cardiopulmonary resuscitation (护理实习生对心肺复苏临床培训体验与应用看法的质性研究)

open access: yes中西医结合护理, 2022
Objective From the perspective of nursing students, to deeply understand the cognitive experience and application views of undergraduate nursing students on their participation in clinical cardiopulmonary resuscitation(CPR) training and teaching ...
LIAO Yunxia (廖云霞)   +3 more
doaj   +1 more source

Uncovering Xi Jinping's Policy Agenda: Text As Data Approach

open access: yesThe Developing Economies, Volume 63, Issue 1, Page 9-46, March 2025.
How many agendas has Xi Jinping put forth and promoted since taking office in 2012, and what are the types of agendas? How much of political attention has each agenda received, and how has the allocation of attention changed over time? We utilize a dataset of presidential statements, speeches, and reports from 2012 to 2022 and employed automated text ...
Jaehwan Lim, Asei Ito, Hongyong Zhang
wiley   +1 more source

基于双池DQN的HVAC无模型优化控制方法

open access: yes智能科学与技术学报, 2022
在 HVAC 控制领域,基于模型的最优控制方法得到了学者的广泛研究与验证,但是该方法高度依赖模型的准确性、大量历史数据的收集以及传感器的部署。针对上述问题,结合 EnergyPlus、实际系统参数以及历史数据,构建 HVAC 优化控制模型,并提出一种改进的双池 DQN 算法,最后将其应用于 HVAC 系统中不同型号冷机的负荷分配、冷却塔风机频率以及冷却水泵频率的组合优化控制。基于所构建的问题模型,针对决策优化过程中存在的样本不平衡的问题,该算法在 DQN 的基础上,建立两个独立的经验池 ...
马帅   +6 more
doaj   +1 more source

Research on optimization of data transmission strategies based on deep reinforcement learning [PDF]

open access: yes
Based on the theoretical framework of deep reinforcement learning, a hierarchical and progressive solution was proposed. Firstly, a heterogeneous data transmission architecture integrating edge computing nodes was constructed, and a multi-dimensional ...
FENG Jun   +3 more
core   +1 more source

Enhanced deep deterministic policy gradient algorithm [PDF]

open access: yes, 2018
With the problem of slow convergence for deep deterministic policy gradient algorithm,an enhanced deep deterministic policy gradient algorithm was proposed.Based on the deep deterministic policy gradient algorithm,two sample pools were constructed,and ...
Chao HE   +5 more
core   +1 more source

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