The test approaches defined in this recommended practice are intended to quantify the interference of passive intermodulation (PIM) from antennas of handheld devices, base stations, and satellite earth stations. Current PIM noise test methods and setup for antennas do not work well at extremely low PIM levels, for example, where PIM noise falls below −150 dBc.
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This guide provides the functional and technical specification of the smart distribution transformer terminal (as a device) used in distribution network monitoring and operation. It addresses various functions and requirements of the devices, such as environmental conditions, power supply, communication and information exchange interfaces, hardware and software design, and application cases.
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This document provides recommendations for electromagnetic field measurement locations, procedures, and results evaluation for corridors containing both alternating current (ac) and direct current (dc) overhead transmission lines. This document primarily addresses the application of parallel ac and dc lines that are in close proximity either on separate or shared structures.
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This standard provides a general intelligence level architecture for smart home devices in order to stipulate their capabilities equipped by various sensors, hardware, and software. The standard specifies home device intelligence capabilities mainly from seven aspects--computation, perception, cognition, motion, coordination, skills, and security--which are as follows:--The computation comprises of computing, memory, storage, and network components.--The perception includes speech and vision.--… read more The cognition is enabled by natural language processing and other related technologies.--The motion involves decision-making and route planning.--The coordination describes how the device interacts with others.--The skills refer to study, education, entertainment, and others based on the type and domain of devices.--The security includes electromagnetic compatibility and system security. read less
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This recommended practice describes the selection and repurposing (including design, operation and maintenance) of second-life electric vehicle batteries in energy storage systems with voltage levels of 10kV and below. Various technical indexes of batteries and equipment are assessed in different stages of engineering to evaluate the system efficiency, safety and economic aspects.
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This recommended practice specifies the technical requirements and test methods for consumer six-degrees-of-freedom (6DoF) augmented reality/virtual reality (AR/VR) handheld-controller space tracking technology based on active infrared optics, including the handheld-controller’s absolute position error, absolute rotation error, static position jitter, static angle drift, translation resolution, rotation resolution, and tracking system latency, tracking area, pose sampling frequency, maximum… read more light intensity, minimum number of cameras, maximum translation jitter, tracking failure delay, and tracking recovery delay. This recommended practice is applicable to the development and testing of active infrared optical 6DoF consumer AR/VR handheld-controllers. read less
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This recommended practice defines the architectural framework and operational guidelines for the application of knowledge graphs in the field of talent services, including a) a detailed description of the methodology and workflow for constructing knowledge graphs in the talent services setting, b) explicit definitions of the technical procedures for each segment of the construction process, and c) an introduction of the varied application scenarios of knowledge graphs within the talent services context.
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This standard defines a property graph description of high-quality road network data, such as lanes, roads, and intersections. Thereby, the standard supports highly efficient data storage and retrieval. Lanes, roads, and intersections in the road network are represented as nodes in a property graph, while the topology of road network elements is represented by edges in the property graph. This standard also defines properties of graph nodes and edges, as well as data types.
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Technical Specification: Object and Scenes Description (MPAI-OSD) specifies Data Formats to enable description and localisation of uni- and multi-modal Objects and Scenes in a Virtual Space for uniform use across MPAI Technical Specifications. MPAI-OSD has been developed by the Context-based Audio Enhancement (MPAI-CAE), Multi-modal Conversation (MPAI-MMC), and Portable Avatar Format (MPAI-PAF) Development Committees, and by the Connected Autonomous Vehicle (CAV) group of the Requirements Stand-ing Committee.
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This recommended practice describes the use of an unmanned aerial vehicle (UAV) in electrical substation inspection. The composition of a UAV inspection system, technical conditions, operator recommendations, operating environment recommendations, applicable inspection scenarios, inspection characteristics, data processing, and UAV maintenance are described. This document applies to the use of UAVs in intelligent inspection and live detection of substation equipment and the surrounding environment.
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