Abstract:
The present invention discloses a thermally conductive composite sheet, including a first aluminum alloy layer, at least one graphite sheet, an aluminum alloy frame, and a second aluminum alloy layer, where the aluminum alloy frame is provided with at least one opening; the graphite sheet is positioned inside the opening of the aluminum alloy frame; the aluminum alloy frame and the graphite sheet are sandwiched between the first aluminum alloy layer and the second aluminum alloy layer; the first aluminum alloy layer is diffusion-bonded to the graphite sheet and the aluminum alloy frame; the second aluminum alloy layer is diffusion-bonded to the graphite sheet and the aluminum alloy frame; and the graphite sheet is cladded by the first aluminum alloy layer, the second aluminum alloy layer, and the aluminum alloy frame, to form a unity.
Abstract:
The embodiments of the present invention relate to a routing table establishment method and device and a routing table lookup, method and device. The routing table establishment method includes: partitioning a data structure of a routing table into a trunk and a TRIE sub-tree (101); adding entries of the routing table to the TRIE sub-tree (102); and storing an upgrade sub-node of the TRIE sub-tree's root in the trunk, where the height of the TRIE sub-tree is smaller than or equal to a set height threshold (103), and the upgrade sub-node of the TRIE sub-tree's root is a sub-root among prefix sub-nodes included in the TRIE sub-tree's root. Thereby ensuring the high compression ratio of the routing table; and the height of the TRIE sub-tree is controlled according to the height threshold, thereby reducing times for accessing a memory, improving lookup speed, and reducing lookup delay.
Abstract:
A preprocessing system includes a first port, where one end of the first port is coupled to a first switch, and the other end of the first port is suspended, where the first switch has a connecting end configured to couple to a first interface and is configured to connect a filter and the first interface, a second port configured to receive a first signal or a second signal, where the filter is configured to filter the first signal to obtain a first positioning signal and a second positioning signal, provide the first positioning signal for the first switch, and provide the second positioning signal for a second interface of a global navigation satellite system (GNSS) chip to adapt to a plurality of antenna configuration types and to achieve universality.
Abstract:
A preprocessing system includes a first port, where one end of the first port is coupled to a first switch, and the other end of the first port is suspended, where the first switch has a connecting end configured to couple to a first interface and is configured to connect a filter and the first interface, a second port configured to receive a first signal or a second signal, where the filter is configured to filter the first signal to obtain a first positioning signal and a second positioning signal, provide the first positioning signal for the first switch, and provide the second positioning signal for a second interface of a global navigation satellite system (GNSS) chip to adapt to a plurality of antenna configuration types and to achieve universality.