What broadcasters have been looking for since starting ATSC 3.0 broadcasts is a “killer app” that will drive the transition ...

针对传统泥浆脉冲遥测(MPT)系统在复杂井下环境中数据传输速率低、抗噪性差的问题，本研究通过理论建模和600米深井现场 ...

The average loss per span is 21.6 dB. Each channel is modulated with 54.2-Gbaud (216.8-Gb/s) polarization-division-multiplexing carrier-suppressed return-to-zero quadrature-phase-shift-keying ...

Abstract: A brief review of the principles and properties of F-QPSK (quadrature phase shift keying) modulation is given. Its spectral efficiency is compared with that of Gaussian minimum-shift keying ...

根据国内博主 @E8M 消息，佳能最近注册两款新机，代号分别为 DS126916 和 ID0184。前者很可能就是即将发布的 EOS R6 Mark III，而另外一款凭借其" ID "的前缀，推断其可能隶属于 Cinema EOS ...

China just pulled off a deep-sea messaging feat that could shift how navies communicate underwater. The 600-kilometer ...

This project implements an adaptive digital modulation system that dynamically switches between BPSK and QPSK based on real-time channel conditions. It uses Machine Learning models trained on features ...

The technology comprises a self-tuning system that can identify signal clusters in noisy underwater environments.

5月27日至29日，2025年浙江省无线电监测技术大比武活动在此擂响战鼓。来自全省11个地市及省无线电监测中心的技术精英，与特邀的中铁上海局、交通运输部东保杭州宁波中心、浙江移动三支行业劲旅齐聚一堂，在电磁频谱这片看不见的战场上，展开了一场对自身专业 ...

中国科学院空天信息创新研究院最新科研动态显示，近日，其联合北京融为公司成功开展面向新一代高阶高通量星地数传系统的高阶体制高码率星地通信地面技术实验，成功实现了 X 频段单通道最高 2100Mbps@128QAM ...

Silicon Labs has just introduced the first 22nm Series 3 SoCs with the SiXG301 and SiXG302 Arm Cortex-M33 multiprotocol wireless SoCs designed for ...

中国移动400G全光骨干网已完成业界首次规模应用，覆盖超135个城市，实现东数西算八大枢纽间的400G高速互联。在技术方面，率先在骨干网400G中提出并采用了130GBd光模块+QPSK+C6T/L6T技术路线。“400G骨干网选择G.652.D比较 ...