5 results about "Direct feedback" patented technology

Provided in the present application are a channel information feedback method, a channel information receiving method, and related apparatuses. The channel information feedback method provided in the present application comprises: a terminal device receiving first indication information, wherein the first indication information is used for indicating M space-frequency units for which the terminal device feeds back channel information, M being an integer greater than or equal to 1; and then, on the basis of the first indication information, the terminal device sending the channel information of the M space-frequency units, wherein the channel information of the M space-frequency units is obtained by means of measuring a first reference signal, the first reference signal is carried on N space-frequency units, and the M space-frequency units are some or all of the N space-frequency units, with N being an integer greater than or equal to 1. Therefore, a network device can conveniently perform inference on the basis of the channel information of the M space-frequency units, so as to obtain channel information of the N space-frequency units. A terminal device directly feeds back channel information of some space-frequency units, without the need to perform eigenvalue decomposition and DFT calculation on a downlink measurement channel so as to obtain a precoding matrix. Therefore, the terminal complexity is reduced.

This application provides a channel information feedback method, a channel information reception method, and related apparatus. The method includes: a terminal device measuring a first reference signal to obtain channel information for N space-frequency units, where the first reference signal carries the N space-frequency units, and N is an integer greater than or equal to 1. Then, the terminal device sends first indication information and channel information for M space-frequency units. The first indication information indicates the M space-frequency units, where the M space-frequency units are some or all of the N space-frequency units, and M is an integer greater than or equal to 1. A network device infers the channel information for the N space-frequency units based on the channel information of these partial space-frequency units. The terminal device does not need to perform eigenvalue decomposition and DFT calculation on the precoding matrix; instead, it directly feeds back the channel information of a partial space-frequency unit, thereby reducing terminal complexity.

This application provides a precise direct power control device for a dual active bridge converter, relating to the field of power control technology. The device includes: a signal processing module for acquiring real-time electrical signal sequences and performing sampling interference correction; a power calculation module for constructing a dual active bridge power calculation model and obtaining instantaneous transmitted power by inputting a reliable electrical signal sequence; a feedback adjustment module for determining the power error signal and performing direct feedback adjustment; and a parameter determination module for dynamically optimizing the dual active bridge adjustment candidate space based on the dynamic accompanying risk mechanism of the dual active bridge to obtain the dual active bridge adjustment parameters. This application solves the technical problem in the prior art where power control only focuses on power tracking during dynamic adjustment and ignores transient safety risks, leading to potential safety hazards during load changes and thus affecting the operating efficiency of the dual active bridge converter. It effectively suppresses dynamic risks while achieving precise power control, thereby improving the operating efficiency of the dual active bridge converter.

This application provides a channel information feedback method, a channel information receiving method, and related apparatus. The method includes: a terminal device receiving first indication information, which instructs the terminal device to feed back M space-frequency units (SQUs) of channel information, where M is an integer greater than or equal to 1; then, the terminal device transmits the channel information of the M SQUs according to the first indication information. The channel information of the M SQUs is obtained by measuring a first reference signal, which is carried by N SQUs. The M SQUs are some or all of the N SQUs, where N is an integer greater than or equal to 1. This facilitates network devices inferring the channel information of the N SQUs based on the channel information of the M SQUs. The terminal device does not need to perform eigenvalue decomposition and DFT calculation on the downlink measurement channel to obtain a precoding matrix, but directly feeds back the channel information of a portion of the SQUs, thereby reducing terminal complexity.

This utility model discloses a detection mechanism for limiting the loading device of a dry quenching coke, including a track support and a trolley track. This utility model employs mechanical mechanisms such as a limit sensing base plate and a track limit switch. In actual use, the entire device is installed at the furnace opening of the dry quenching furnace. The limit support is welded to the base below the trolley track where the rear wheels of the loading trolley are located when the furnace cover is fully open. During subsequent operations, the loading trolley can be pushed by an electro-hydraulic actuator, causing it to move along the trolley track. The track limit detection device of this utility model is installed on the trolley track, providing direct feedback on the actual position of the furnace cover opening. Furthermore, the track limit switch uses magnetic induction to limit the loading device via the limit sensing base plate on the trolley, combining with the stroke limit of the electro-hydraulic actuator to achieve double insurance for limiting the loading device of the dry quenching coke, completely preventing accidents caused by the hoist misjudging the opening position of the loading device.