Abstract: A method and an electronic apparatus for predictive value decision and a computer-readable recording medium thereof are provided. First, a model operation interface is activated, and in response to receiving an operation through the model operation interface, the following steps are executed. A shipment predictive value at a target time point is calculated based on historical shipment data. Next, a change ratio scale corresponding to the target time point is calculated using the shipment predictive value corresponding to the target time point and multiple previous shipment predictive values at multiple time points before the target time point. Moreover, an average value of past change ratio scales corresponding to the target time point is calculated based on the historical shipment data. Finally, predictive performance information is provided based on the average value of the past change ratio scales and the change ratio scale corresponding to the target time point.

Abstract: A magnetic tunnel junction (MTJ) device includes two magnetic tunnel junction elements and a magnetic shielding layer. The two magnetic tunnel junction elements are arranged side by side. The magnetic shielding layer is disposed between the magnetic tunnel junction elements. A method of forming said magnetic tunnel junction (MTJ) device includes the following steps. An interlayer including a magnetic shielding layer is formed. The interlayer is etched to form recesses in the interlayer. The magnetic tunnel junction elements fill in the recesses. Or, a method of forming said magnetic tunnel junction (MTJ) device includes the following steps. A magnetic tunnel junction layer is formed. The magnetic tunnel junction layer is patterned to form magnetic tunnel junction elements. An interlayer including a magnetic shielding layer is formed between the magnetic tunnel junction elements.

Abstract: An antenna structure includes a first radiator, a second radiator, an antenna ground, and a conductor. The first radiator for resonating at a high frequency band includes a feeding end. The second radiator is connected to the first radiator and resonates at a low frequency band with a part of the first radiator. The antenna ground is located on one side of the first radiator and the second radiator. The conductor is located between the second radiator and the antenna ground in a first direction and connected to the first radiator and the antenna ground. A slit having at least one bending portion is formed among the second radiator, and the conductor and the antenna ground. An electronic device is further provided.

Abstract: An antenna structure includes first, second, and third radiators. The first radiator includes first, second, and third segments. One end of the first segment includes a signal feeding end. The second and third segments respectively extend in opposite directions from another end of the first segment. The second radiator includes a fourth segment, a fifth segment, and a sixth segment extending from an intersection of the fourth and fifth segments. The fourth segment includes a first ground end. The fifth segment includes a second ground end. A first slit is between the second and sixth segments; a second slit is between the third, fourth, and sixth segments. The third radiator includes seventh and eighth segments connected to each other in a bending manner. The seventh segment includes a third ground end. A third slit is between the first and seventh segments and between the third and eighth segments.

Abstract: An electronic device and an antenna structure thereof are provided. The antenna structure includes a first radiating member, a feeding member disposed on the first radiating member, a second radiating member, and a grounding member. A first predetermined gap is between the feeding member and the first radiating member. The feeding member, the first predetermined gap, and the first radiating member resonate to generate a low frequency band and a high frequency band. The second radiating member including a main body and a grounding part is disposed on the first radiating member. A second predetermined gap is between the main body and the first radiating member. The grounding part, the main body, and the second predetermined gap resonate to increase a bandwidth of the low frequency band. The grounding member is disposed on the first radiating member and electrically connected to the grounding part.

Abstract: An antenna structure includes a first main radiator, a second main radiator and a frequency adjustment radiator. The first main radiator is adapted to resonate in a first frequency band and a second frequency band, and includes a first section, a second section, a third section and a fourth section sequentially connected. The first section has a feed-in end, and the fourth section has a grounding end. The second section and the third section is connected in bent manner, a first slit is provided between the second section and the third section for adjusting impedance matching of the second frequency band. The second main radiator extending from the feed-in end is adapted to resonate in third frequency band and a fourth frequency band. The frequency adjustment radiator is connected to the third section and is adapted to adjust a resonant frequency point of the first frequency band.

Abstract: An antenna structure includes a ground, a first patch, a second patch, a first conductive post, and a second conductive post. The first patch is spaced apart from the ground. The first patch includes a circular slit, a main patch portion and a circular portion. The circular portion and the circular slit surround the main patch portion, and the circular slit is located between the main patch portion and the circular portion. The second patch is disposed between and spaced apart from the ground and the main patch portion. A dimension of the second patch is less than a dimension of the main patch portion. One end of the first conductive post is connected to the second patch. Another end of the first conductive post passes through the ground and is coupled to a signal feeding end. The circular portion is connected to the ground through the second conductive post.

Abstract: An antenna module includes a metal frame and an antenna structure. The metal frame includes an opening and a first edge and a second edge located at two opposite sides of the opening. The antenna structure is disposed at the opening and includes a first radiator, a second radiator, a first conductor, and a second conductor. The first radiator includes first and second sections. The first section is near the first edge and includes a feeding end, and the second section extends from the first section to the second edge. The second radiator is located between the first section and the first edge and includes a ground end. A first slit is formed between the second radiator and the first section. The first conductor is connected between the second radiator and the metal frame. The second conductor is connected between the second radiator and the metal frame.

Abstract: An antenna structure including a first radiator and a second radiator is provided. The first radiator includes a first section, a second section, and a third section. The first section has a feed-in end. The second section is adjacent to the first section and connected to a position of the first section close to the feed-in end. The third section is connected to the second section and the feed-in end to encircle a space. The second radiator is disposed around the first section and the second section. The second radiator includes a first end and a second end opposite to each other. The first end is a ground end. A coupling interval is formed between the second end and the third section. A first frequency band, a second frequency band, and a third frequency band are resonated by the first radiator and the second radiator.

Abstract: A dual-band circularly polarized antenna structure includes a microstrip line, an antenna unit and a ground. The antenna unit includes a first radiator and a second radiator. The first radiator has a feed-in portion and a first spiral pattern. The first spiral pattern spirals outwardly from a starting point close to the feed-in portion. The second radiator has a first grounding portion and a second spiral pattern. The second spiral pattern spirals outwardly from a starting point close to the first grounding portion in a manner non-overlapping with the first spiral pattern. One of the first and the second radiators has a second grounding portion. The microstrip line and the antenna unit are arranged apart. The feed-in portion of the first radiator of the antenna unit is coupled to the microstrip line. The first and the second grounding portions are coupled to the ground.

Abstract: An antenna structure includes a ground, a first patch, a second patch, a first conductive post, and a second conductive post. The first patch is spaced apart from the ground. The first patch includes a circular slit, a main patch portion and a circular portion. The circular portion and the circular slit surround the main patch portion, and the circular slit is located between the main patch portion and the circular portion. The second patch is disposed between and spaced apart from the ground and the main patch portion. A dimension of the second patch is less than a dimension of the main patch portion. One end of the first conductive post is connected to the second patch. Another end of the first conductive post passes through the ground and is coupled to a signal feeding end. The circular portion is connected to the ground through the second conductive post.

Abstract: An electronic device and an antenna structure thereof are provided. The antenna structure includes a first radiating member, a feeding member disposed on the first radiating member, a second radiating member, and a grounding member. A first predetermined gap is between the feeding member and the first radiating member. The feeding member, the first predetermined gap, and the first radiating member resonate to generate a low frequency band and a high frequency band. The second radiating member including a main body and a grounding part is disposed on the first radiating member. A second predetermined gap is between the main body and the first radiating member. The grounding part, the main body, and the second predetermined gap resonate to increase a bandwidth of the low frequency band. The grounding member is disposed on the first radiating member and electrically connected to the grounding part.

Abstract: An antenna structure includes a ground plane and at least one series-fed antenna. Each series-fed antenna includes a first patch, a plurality of second patches, a first microstrip line, a first grounding structure group, a plurality of second microstrip lines, and a plurality of second grounding structure groups. The first patch is disposed beside the ground plane. The first patch and the second patch are arranged along a straight line. The first microstrip line extends from the first patch and has a feeding point. The first grounding structure group includes two first grounding traces that extend symmetrically from both sides of the first microstrip line to the ground plane. The second microstrip lines are respectively connected between the first patch and the second patches. The second grounding structure groups are respectively disposed on both sides of the second microstrip lines, and are coupled to the ground plane.

Abstract: An antenna structure includes first, second, and third radiators. The first radiator includes first, second, and third segments. One end of the first segment includes a signal feeding end. The second and third segments respectively extend in opposite directions from another end of the first segment. The second radiator includes a fourth segment, a fifth segment, and a sixth segment extending from an intersection of the fourth and fifth segments. The fourth segment includes a first ground end. The fifth segment includes a second ground end. A first slit is between the second and sixth segments; a second slit is between the third, fourth, and sixth segments. The third radiator includes seventh and eighth segments connected to each other in a bending manner. The seventh segment includes a third ground end. A third slit is between the first and seventh segments and between the third and eighth segments.

Abstract: An antenna module includes a metal frame and an antenna structure. The metal frame includes an opening and a first edge and a second edge located at two opposite sides of the opening. The antenna structure is disposed at the opening and includes a first radiator, a second radiator, a first conductor, and a second conductor. The first radiator includes first and second sections. The first section is near the first edge and includes a feeding end, and the second section extends from the first section to the second edge. The second radiator is located between the first section and the first edge and includes a ground end. A first slit is formed between the second radiator and the first section. The first conductor is connected between the second radiator and the metal frame. The second conductor is connected between the second radiator and the metal frame.

Abstract: An antenna structure includes a first radiator, a second radiator, an antenna ground, and a conductor. The first radiator for resonating at a high frequency band includes a feeding end. The second radiator is connected to the first radiator and resonates at a low frequency band with a part of the first radiator. The antenna ground is located on one side of the first radiator and the second radiator. The conductor is located between the second radiator and the antenna ground in a first direction and connected to the first radiator and the antenna ground. A slit having at least one bending portion is formed among the second radiator, and the conductor and the antenna ground. An electronic device is further provided.

Abstract: An antenna structure includes a first main radiator, a second main radiator and a frequency adjustment radiator. The first main radiator is adapted to resonate in a first frequency band and a second frequency band, and includes a first section, a second section, a third section and a fourth section sequentially connected. The first section has a feed-in end, and the fourth section has a grounding end. The second section and the third section is connected in bent manner, a first slit is provided between the second section and the third section for adjusting impedance matching of the second frequency band. The second main radiator extending from the feed-in end is adapted to resonate in third frequency band and a fourth frequency band. The frequency adjustment radiator is connected to the third section and is adapted to adjust a resonant frequency point of the first frequency band.

Abstract: An antenna structure including a first radiator and a second radiator is provided. The first radiator includes a first section, a second section, and a third section. The first section has a feed-in end. The second section is adjacent to the first section and connected to a position of the first section close to the feed-in end. The third section is connected to the second section and the feed-in end to encircle a space. The second radiator is disposed around the first section and the second section. The second radiator includes a first end and a second end opposite to each other. The first end is a ground end. A coupling interval is formed between the second end and the third section. A first frequency band, a second frequency band, and a third frequency band are resonated by the first radiator and the second radiator.

Abstract: The disclosure provides an electronic device including a carrier, a first antenna, a second antenna, a third antenna, and a shielding structure. The carrier includes a first side and a second side opposite to each other, and a third side and a fourth side opposite to each other. The first antenna is disposed at the first side of the carrier. The second antenna and the third antenna are disposed at the second side of the carrier. The first, second, and third antennas are used for transmitting and receiving wireless signals at first, second, and third frequency bands, respectively. The shielding structure is disposed between the first antenna and the second antenna, and between the first antenna and the third antenna, so that the shielding structure shields interference signals between the first antenna and the second antenna, and interference signals between the first antenna and the third antenna.

Abstract: An antenna structure includes a ground plane and at least one series-fed antenna. Each series-fed antenna includes a first patch, a plurality of second patches, a first microstrip line, a first grounding structure group, a plurality of second microstrip lines, and a plurality of second grounding structure groups. The first patch is disposed beside the ground plane. The first patch and the second patch are arranged along a straight line. The first microstrip line extends from the first patch and has a feeding point. The first grounding structure group includes two first grounding traces that extend symmetrically from both sides of the first microstrip line to the ground plane. The second microstrip lines are respectively connected between the first patch and the second patches. The second grounding structure groups are respectively disposed on both sides of the second microstrip lines, and are coupled to the ground plane.