Tag: Transportation

P2867

This guide specifies the requirements for direct current (DC) power transmitter of wireless charging for kitchen appliances with the operating voltage range (DC350V-DC400V), including functional requirements, performance requirements and test requirements. This guide also provides the definitions, system composition, interface specifications, working voltage range, and application scenarios for power transmitter of DC wireless kitchen appliances.

P2834

This standard specifies technical requirements for student data management and privacy protection in Learning online systems and services.

P120

This guide relates to measurements of power, energy, voltage, and current, in dc or ac power systems. This guide does not deal with measurements of resistance or temperature that may be of use in determining the performance characteristics of electric machinery.

IEEE P1139

Methods of describing random instabilities of importance to frequency and time metrology are covered. Quantities covered include frequency, amplitude, and phase instabilities; spectral densities of frequency, amplitude, and phase fluctuations; and time-domain deviations of frequency fluctuations. In addition, recommendations are made for the reporting of measurements of frequency, amplitude, and phase instabilities, especially in regard to the recording of experimental parameters, experimental conditions, and calculation techniques.

P1937.3

This standard specifies the general requirements for the content of flight data and transmission protocol of civil unmanned aerial vehicle systems based on the BeiDou short message protocol.

IEEE P2753

This guide specifies the requirement and testing methods for the pantograph offline, covering the aspects of the mechanics, optics, electro-magnetics and acoustics. Principles of the data interpretation are included. In addition, model for the arcing erosion, as well as the offline induced overvoltage, and harmonics, which impact the onsite devices' safety shall be included.

P1474.1

This standard establishes a set of performance and functional requirements necessary for enhancing performance, availability, operations, and train protection using a CBTC System.

P2020

This standard addresses the fundamental attributes that contribute to image and quality for automotive Advanced Driver Assistance Systems (ADAS) applications, as well as identifying existing metrics and other useful information relating to these attributes. It defines a standardized suite of objective and subjective test methods for measuring automotive camera image quality attributes, and it specifies tools and test methods to facilitate standards-based communication and comparison among OEM and Tier 1 system integrators and component vendors regarding automotive ADAS image quality.

IEEE P2406

This Standard is a basis for the design, application, and usage of direct current non load (no-load) break disconnect switches for the purpose of isolating direct current power distribution circuits for transit applications.
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