Abstract: The present disclosure discloses a method for detecting a natural frequency of a blade by a single blade tip timing sensor. In the method, two segments of displacement data vectors are subjected to dot product to obtain a product data vector after multiplication of corresponding serial numbers, the product data vector is subjected to low-frequency filtering, the filtered product vector is subjected to Hilbert transform to obtain an instantaneous phase, the instantaneous phase is subjected to discrete Fourier transform, an absolute value of a natural frequency difference between blades is extracted from amplitude frequency data, blades on a bladed disk are subjected to permutation and combination to obtain absolute values of the natural frequency differences between all the blades, a sum of the absolute values of the natural frequency differences between each blade and other blades is calculated.

Abstract: Disclosed in present invention is a clock driving circuit resistant to single-event transient. The clock driving circuit resistant to single-event transient consists of two kinds of inverters: double-input double-output (DIDO) inverter and double-input single-output (DISO) inverter, the specific number of the two kinds of inverters used, and the connection way thereof are determined by the complexity of a designed circuit and a clock design method used by the designed circuit. The DIDO inverter and DISO inverter both comprise two PMOS transistors and two NMOS transistors. In a clock distribution network based on double-input double-output and double-input single-output clock inverters, the probability that single-event transient pulses generated on the DIDO inverter are propagated to clock leaf nodes is zero.

Abstract: Disclosed in present invention is a clock driving circuit resistant to single-event transient. The clock driving circuit resistant to single-event transient consists of two kinds of inverters: double-input double-output (DIDO) inverter and double-input single-output (DISO) inverter, the specific number of the two kinds of inverters used, and the connection way thereof are determined by the complexity of a designed circuit and a clock design method used by the designed circuit. The DIDO inverter and DISO inverter both comprise two PMOS transistors and two NMOS transistors. In a clock distribution network based on double-input double-output and double-input single-output clock inverters, the probability that single-event transient pulses generated on the DIDO inverter are propagated to clock leaf nodes is zero.

Abstract: A thin film transistor includes: a source region; a drain region; and a polycrystalline thin film active channel region connected to the source region and the drain region, the active channel region comprising grains and being doped with a two-dimensional pattern comprising a plurality of doped regions, the plurality of doped regions each comprising at least portions of a plurality of the grains and at least one grain boundary.

Abstract: A thin film transistor includes: a source region; a drain region; and a polycrystalline thin film active channel region connected to the source region and the drain region, the active channel region comprising grains and being doped with a two-dimensional pattern comprising a plurality of doped regions, the plurality of doped regions each comprising at least portions of a plurality of the grains and at least one grain boundary.

Abstract: Provided are a light emitting material comprising one or more tetraphenylethene (TPE) derivatives of formula (1a) with high thermal stability and high solid quantum yield efficiency, and an electroluminescent or light emitting device such as OLED comprising the same TPE derivatives and a method of preparing the same.

Abstract: A control apparatus includes a target acceleration obtaining device for obtaining a target acceleration of a hydraulic motor based on an operation amount of a lift lever; a torque command value obtaining device for obtaining a torque command value of a hydraulic motor based on the target acceleration; a determining device for determining as a non-regeneration state or as a regeneration state based the torque command value; and a change-over control device for changing over a change-over member so as to couple a lift cylinder to a flow rate control valve when determined as the non-regeneration state, and for changing over the change-over member so as to couple the lift cylinder to a hydraulic pump and making an inverter controller control the hydraulic motor in accordance with the torque command value when determined as the regeneration state.

Abstract: A control apparatus includes a target acceleration obtaining means for obtaining a target acceleration of a hydraulic motor based on an operation amount of a lift lever; a torque command value obtaining means for obtaining a torque command value of a hydraulic motor based on the target acceleration; a determining means for determining as a non-regeneration state or as a regeneration state based the torque command value; and a change-over control means for changing over a change-over member so as to couple a lift cylinder to a flow rate control valve when determined as the non-regeneration state, and for changing over the change-over member so as to couple the lift cylinder to a hydraulic pump and making an inverter controller control the hydraulic motor in accordance with the torque command value when determined as the regeneration state.