Abstract: A dual-band filtering antenna is provided, which includes: a base, a set of baluns arranged crosswise on the base, and a first radiation arm and a second radiation arm each connected to one of the set of baluns, where copper foil is printed on front and back sides of the first radiation arm and the second radiation arm, the copper foil is divided into a plurality of small modules, a connection module is further arranged between every two small modules, a C-shaped gap is formed on a front side of each small module, and an inverted L-shaped branch is arranged at an edge of each small module.

Abstract: A dual-band filtering antenna is provided, which includes: a base, a set of baluns arranged crosswise on the base, and a first radiation arm and a second radiation arm each connected to one of the set of baluns, where copper foil is printed on front and back sides of the first radiation arm and the second radiation arm, the copper foil is divided into a plurality of small modules, a connection module is further arranged between every two small modules, a C-shaped gap is formed on a front side of each small module, and an inverted L-shaped branch is arranged at an edge of each small module.

Abstract: A power equipment and an assembling method thereof are disclosed. The power equipment includes an installation cabinet, a plurality of power modules and at least one expansion power module. The installation cabinet includes a top and two lateral sides. The plurality of power modules are electrically connected to the installation cabinet and arranged in an array on the top of the installation cabinet. The plurality of power modules and the installation cabinet are assembled as one main body. The main body and the expansion power module are transported to an installation site, respectively. The at least one expansion power module is detachably disposed on one of the two lateral sides of the installation cabinet and electrically connected to the installation cabinet through the expansion cables reserved in the installation cabinet.

Abstract: The present disclosure relates to compounds which increase ?-oscillations in the brain. The disclosure further relates to methods of treating neurodegenerative diseases or disorders with the compounds disclosed herein.

Abstract: A phase shifter includes a radio frequency input transmission line, a radio frequency output transmission line, and a first branch and a second branch coupled in parallel between the radio frequency input transmission line and the radio frequency output transmission line, the first branch includes first switch components and first transmission lines coupled in series, and the second branch includes a second transmission line including a first terminal coupled to the radio frequency input transmission line and a second terminal, a third transmission line including a third terminal coupled to the second terminal and a fourth terminal coupled to the radio frequency output transmission line, second switch components, where one terminal of each of the second switch components is coupled to a connection node of the second transmission line and the third transmission line, and the other terminal is coupled to a corresponding grounding component.

Abstract: A phase shifter includes a radio frequency input transmission line, a radio frequency output transmission line, and a first branch and a second branch coupled in parallel between the radio frequency input transmission line and the radio frequency output transmission line, the first branch includes first switch components and first transmission lines coupled in series, and the second branch includes a second transmission line including a first terminal coupled to the radio frequency input transmission line and a second terminal, a third transmission line including a third terminal coupled to the second terminal and a fourth terminal coupled to the radio frequency output transmission line, second switch components, where one terminal of each of the second switch components is coupled to a connection node of the second transmission line and the third transmission line, and the other terminal is coupled to a corresponding grounding component.