placebo 发表于 2025-3-30 08:56:29
http://reply.papertrans.cn/87/8609/860892/860892_51.png浮夸 发表于 2025-3-30 12:52:40
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Signals,ristics of the electrical signals conveying the information as generated by each source. The combination of several sources in a multiplexed baseband signal is discussed in Chapter 3, together with individual source coding and cryptography.calorie 发表于 2025-3-31 06:22:30
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http://reply.papertrans.cn/87/8609/860892/860892_59.pngTractable 发表于 2025-3-31 23:32:55
Orbits and Controlled Trajectories,ribute to the gravitational field of other bodies. In translational motion (i.e., neglecting the rotation of the test particle about its center of mass) the total mechanical energy is composed of kinetic energy (a nonnegative quantity) and potential energy (a nonpositive quantity). Orbits can be bou