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从OCP到OCM，DBA的大师晋级之路

从OCP到OCM的跨越，对DBA来说，不只是证书升级，更是技术和职场竞争力的双重飞跃。 今天就拆解这条“专家变大师”的路，全是干货，新手也能看懂。 一、OCP和OCM：定位完全不同的两张证 Oracle认证分三级：OCA（入门）、OCP（进阶）、OCM（大师）。OCP是进阶关键 ...
IEEE

A Tutorial on the Tracking, Telemetry, and Command (TT&C) for Space Missions

Abstract: This paper presents a tutorial on the Tracking, Telemetry, and Command (TT&C) for spacecraft and satellite missions. In particular, it provides a thorough summary of the design of the TT&C, ...
IEEE

A Tutorial on Holographic MIMO Communications—Part I: Channel Modeling and Channel Estimation

Abstract: By integrating a nearly infinite number of reconfigurable elements into a finite space, a spatially continuous array aperture is formed for holographic multiple-input multiple-output (HMIMO) ...
The Motley Fool

Why Oracle Was the Poster Child AI Stock of 2025 -- and Could Be Again in 2026

Oracle was at the center of all things artificial intelligence (AI) in 2025, and therefore at the center of the investing world. Here's why Oracle plays a linchpin role in the artificial intelligence ...