Abstract: Disclosed in the present application is a method for fitting spontaneous emission noise of a lidar system or an optical fiber sensing system. The method includes: providing a trigger collection signal by a signal source; triggering, based on the trigger collection signal, a co-located transceiver module and a distributed transceiver module to perform synchronous detection on a detection target; receiving co-located data and distributed data returned by the detection target; subtracting local noise from the co-located data and the distributed data, respectively; selecting a linear interval to normalize the co-located data; performing subtraction operation on the normalized co-located data and the distributed data to obtain spontaneous emission noise; and fitting the spontaneous emission noise by a function.

Abstract: This disclosure relates to a curable composition that includes at least one poly(arylene ether) copolymer, at least one phosphorus-containing flame retardant, and at least one radical initiator. This disclosure also relates to using the composition to form a film, a laminate, a prepreg, and/or a circuit board.

Abstract: A method for monitoring a running state of a distributed system, an electronic device, and a storage medium are provided. The method comprises: acquiring a first calling key-value pair sent by a first component in a distributed system (101); and determining the current running state of the first component according to a first keyword value, and historical calling data corresponding to a first key code value in a preset database (102).

Abstract: Mechanisms for verifying software are provided, the mechanisms including: identifying a plurality of layers of code of the software including a lowest layer, a middle layer, and a highest layer; generating a low-level specification and an identical refinement proof for each of the plurality of layers using a hardware processor; generating a high-level specification and a lifting refinement proof for each of the plurality of layers; and verifying the software based on the low-level specifications, the identical refinement proofs, the high-level specifications, and the lifting refinement proofs. In some embodiments, one of the low-level specifications is generated using Fixedpoint construction. In some embodiments, one of the high-level specifications is generated by applying a set of transformation rules to one of the low-level specifications.

Abstract: This disclosure relates to a curable composition that includes at least one poly(arylene ether) copolymer, at least one phosphorus-containing flame retardant, and at least one radical initiator. This disclosure also relates to using the composition to form a film, a laminate, a prepreg, and/or a circuit board.

Abstract: This disclosure relates to a curable composition that includes at least first, second, and third polymers. The first polymer includes a first monomer unit and a second monomer unit different from the first monomer unit, in which the first monomer unit has the structure of formula (I) defined in the Specification and the second monomer unit has the structure of formula (II) defined in the Specification. The second polymer includes at least about 60 wt % of a styrene monomer unit; and the third polymer includes at most about 60 wt % of a styrene monomer unit. This disclosure also relates to using the composition to form a free-standing film, a laminate, a prepreg, and/or a printed circuit board.

Abstract: A method for monitoring a running state of a distributed system, an electronic device, and a storage medium are provided. The method comprises: acquiring a first calling key-value pair sent by a first component in a distributed system (101); and determining the current running state of the first component according to a first keyword value, and historical calling data corresponding to a first key code value in a preset database (102).

Abstract: In order to solve a problem that current terminal display control techniques are based on manual operations, the present disclosure provides a display control method, device and terminal.

Abstract: The present invention generally relates to a resin composition, a cured resin, a sheet-like cured resin, a laminated body, a prepreg, electronic parts, single and multilayer circuit boards comprising a cyanate ester polymer and condensed phosphate ester, for use in single and multilayer circuit boards that are especially useful in the high-frequency range of above 100 MHz.

Abstract: The present invention generally relates to a resin composition, a cured resin, a sheet-like cured resin, a laminated body, a prepreg, electronic parts, single and multilayer circuit boards comprising a cyanate ester polymer and condensed phosphate ester, for use in single and multilayer circuit boards that are especially useful in the high-frequency range of above 100 MHz.

Abstract: A dielectric film comprising silicon, oxygen and carbon having a low dielectric constant, superior thermal stability and adhesion to commonly employed semiconductor materials is described. The film is formed from a polyorganosilane polymer applied to a substrate and subsequently cured in a two-step or three-step cure process. The film is advantageously suited for, among other things, damascene, double damascene and interlayer dielectric applications.