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31results about How to "Less testing effort" patented technology

Safe detonating circuit and safe detonating method for initiating explosive device of aircraft

The invention discloses a safe detonating circuit and a safe detonating method for an initiating explosive device of an aircraft. The safe detonating method comprises the following steps: firstly, forbidding power supply for a power supply positive end of the initiating explosive device and a power supply positive end of a relay, and setting a circuit of the initiating explosive device in an initial safe state; supplying power to the power supply positive end of the initiating explosive device, starting supplying power to the power supply positive end of the relay after a certain time interval, and enabling the circuit of the power supply initiating explosive device to enter an electrified safe state; connecting a take-off signal of the aircraft into an open circuit end of an electromagnetic coil, and enabling the circuit of the initiating explosive device to enter a one-time unlocking state; connecting a separating signal of the aircraft and a rocket into the electromagnetic coil, and enabling the circuit of the initiating explosive device to enter a secondary unlocking state; instantly applying a detonating instruction to the open circuit end of the electromagnetic coil, and detonating the initiating explosive device; cutting off the power supply of the power supply positive end of the initiating explosive device and the power supply positive end of the relay, breaking off the take-off signal of the aircraft and the separation signal of the aircraft and the rocket, and enabling the initiating explosive device to be restored to an initial safe state. According to the safe detonating circuit and the safe detonating device disclosed by the invention, due to the adoption of automatic unlocking, the detonating circuit and a five-stage detonating process, the initiating explosive device is effective, safe and reliable for detonation.
Owner:CHINA ACAD OF LAUNCH VEHICLE TECH

Simulator for multi-channel meteor trail channel

The present invention discloses a multi-channel meteor trail channel simulator, and relates to the transmission environment simulation equipment of meteor trail burst communication channel in the field of communication. The channel simulator comprises a digital control attenuator, a power distribution / synthesis device, a channel simulation unit, a power supply and other components. When in use, the channel simulator is connected in the meteor trail communication channel in series, to simulate the characteristics of the actual meteor trail channel, which comprise the appearance of random burst and the signal intensity of exponential decay; and the channel simulator can be used for simulation testing of various technical indicators of the meteor trail communication channel. The channel simulator also has the advantages of high degree of integration, simple circuit, small size, convenient use, stable and reliable performance, and so on, and is in particular suitable for the meteor trail channel simulator on the occasions of the joint testing of the system, the transmission threshold testing of the equipment, the capacity testing of the network protocol, and so on in the meteor trail communication system network under the condition of the laboratory.
Owner:NO 54 INST OF CHINA ELECTRONICS SCI & TECH GRP

Migration data verification method for power dispatching automation system

The invention discloses a migration data verification method for a power dispatching automation system. The migration data verification method comprises the steps of selecting a new master station and an old master station corresponding to service migration of the power dispatching automation system, selecting some to-be-verified substation in the old master station, disconnecting a normal communication channel of the to-be-verified substation and the old master station and establishing a corresponding analog substation, enabling remote control points to be selected in the new master station and the old master station for the analog substation and serve as current remote control points, sequentially issuing a remote control selection command, a remote control execution command or a remote control revocation command according to the current remote control points, collecting original data of issued commands of the current new master station and the current old master station through the analog substation, checking and comparing the original data to finish data verification of every remote control point, and finally restoring the normal communication channel of the to-be-verified substation and the old master station. The migration data verification method can guarantee migration of the power dispatching automation system between the new master station and the old master station, and has the advantages of being quick in verification speed, high in verification efficiency, good in verification accuracy, and simple and practical.
Owner:STATE GRID CORP OF CHINA +1

An aircraft pyrotechnic product safety detonation circuit and detonation method

The invention discloses a safe detonating circuit and a safe detonating method for an initiating explosive device of an aircraft. The safe detonating method comprises the following steps: firstly, forbidding power supply for a power supply positive end of the initiating explosive device and a power supply positive end of a relay, and setting a circuit of the initiating explosive device in an initial safe state; supplying power to the power supply positive end of the initiating explosive device, starting supplying power to the power supply positive end of the relay after a certain time interval, and enabling the circuit of the power supply initiating explosive device to enter an electrified safe state; connecting a take-off signal of the aircraft into an open circuit end of an electromagnetic coil, and enabling the circuit of the initiating explosive device to enter a one-time unlocking state; connecting a separating signal of the aircraft and a rocket into the electromagnetic coil, and enabling the circuit of the initiating explosive device to enter a secondary unlocking state; instantly applying a detonating instruction to the open circuit end of the electromagnetic coil, and detonating the initiating explosive device; cutting off the power supply of the power supply positive end of the initiating explosive device and the power supply positive end of the relay, breaking off the take-off signal of the aircraft and the separation signal of the aircraft and the rocket, and enabling the initiating explosive device to be restored to an initial safe state. According to the safe detonating circuit and the safe detonating device disclosed by the invention, due to the adoption of automatic unlocking, the detonating circuit and a five-stage detonating process, the initiating explosive device is effective, safe and reliable for detonation.
Owner:CHINA ACAD OF LAUNCH VEHICLE TECH

Tunnel setup for split bearers in multi-rat dual connectivity (mr-dc) and nr-nr dual connectivity (nr-dc)

Embodiments include methods, performed by a master node (MN) in a radio access network, for establishing radio resources between a secondary node (SN) and a user equipment (UE). Such embodiments include sending, to the SN, a request identifying one or more QoS flows to be setup between the SN and the UE; and receiving, from the SN, a response including identification of one or more radio bearers that were admitted by the SN in association with the requested QoS flows. Such embodiments also include sending, to the SN, identifiers of one or more tunnels for forwarding downlink user-plane (DL UP)data over an interface between the SN and the MN. Each tunnel identifier is associated with a respective admitted radio bearer. Embodiments also include complementary methods performed by a SN, as well as network nodes configured to perform the various methods.
Owner:TELEFON AB LM ERICSSON (PUBL)

SSB beam configuration optimization method and device, medium and electronic equipment

The embodiment of the invention provides an SSB beam configuration optimization method and device, a medium and electronic equipment. The method comprises the following steps: acquiring an interference index of each beam in a target cell, wherein the interference index is used for representing the interference degree of beams in adjacent cells on the beams in the target cell; determining a comprehensive interference index of the target cell according to the interference index of each beam in the target cell; when the comprehensive interference index of the target cell is not equal to the minimum value, the beam configuration mode of the target cell is adjusted so that the comprehensive interference index of the target cell can be equal to the minimum value, and the beam configuration mode corresponds to the emission sequence of all beams in the target cell in time and space. According to the technical scheme of the embodiment of the invention, the optimization efficiency of the network coverage quality in the cell can be improved.
Owner:CHINA TELECOM CORP LTD

Irreversible temperature change ceramic tile composite board

The invention belongs to the field of composite boards, and particularly relates to an irreversible temperature change ceramic tile composite board. The ceramic tile composite board comprises a base board and ceramic tiles compounded on the base board, wherein an irreversible thermochromic layer is arranged on the outer side surface of the ceramic tile, and the irreversible thermochromic layer is formed by curing irreversible thermochromic ink. The irreversible thermochromic layer is arranged on the outer side face of the ceramic tile composite board, when the ceramic tile composite board experiences the environment temperature larger than or equal to 50 DEG C in the transportation process, the composite board can irreversibly deform, meanwhile, the irreversible thermochromic layer can also irreversibly change in color, and when the composite board is transported to a construction site from a factory, the irreversible thermochromic layer can change color irreversibly. A worker can simply judge whether the composite board deforms or not in the transportation process according to the color change of the side face of the composite board, so that the test work on the composite board on site is reduced, the site construction efficiency is improved, and the expenditure of manpower and material resources is reduced.
Owner:ZHEJIANG YASHA DECORATION

A method and device for system-level offline testing

The embodiment of the invention relates to the technical field of wireless communication, in particular to a method and equipment for performing system-level off-line testing for solving the problem that modes such as system simulation and network planning cannot be closer to the performance of a real verification technical scheme in an actual network existing in the prior art. The method provided by the embodiment of the invention comprises the following steps of: determining granularity corresponding to data information according to correspondence of type of the data information and the granularity and dividing the data information of the type into N sub-databases; selecting the sub-database comprising the data information corresponding to the type of the system-level off-line testing to be performed from the sub-databases corresponding to the data information of the type; and selecting the data information corresponding to the type of the system-level off-line testing to be performed from the selected sub-database to perform the system-level off-line testing. By using the method provided by the embodiment of the invention, measurement of a terminal can be actually simulated, and the performance is closer to the performance of the verification technical scheme in an actual network.
Owner:DATANG MOBILE COMM EQUIP CO LTD

Migration data verification method for power dispatch automation system

The invention discloses a migration data verification method for a power dispatching automation system. The migration data verification method comprises the steps of selecting a new master station and an old master station corresponding to service migration of the power dispatching automation system, selecting some to-be-verified substation in the old master station, disconnecting a normal communication channel of the to-be-verified substation and the old master station and establishing a corresponding analog substation, enabling remote control points to be selected in the new master station and the old master station for the analog substation and serve as current remote control points, sequentially issuing a remote control selection command, a remote control execution command or a remote control revocation command according to the current remote control points, collecting original data of issued commands of the current new master station and the current old master station through the analog substation, checking and comparing the original data to finish data verification of every remote control point, and finally restoring the normal communication channel of the to-be-verified substation and the old master station. The migration data verification method can guarantee migration of the power dispatching automation system between the new master station and the old master station, and has the advantages of being quick in verification speed, high in verification efficiency, good in verification accuracy, and simple and practical.
Owner:STATE GRID CORP OF CHINA +1

Simulator for multi-channel meteor trail channel

The present invention discloses a multi-channel meteor trail channel simulator, and relates to the transmission environment simulation equipment of meteor trail burst communication channel in the field of communication. The channel simulator comprises a digital control attenuator, a power distribution / synthesis device, a channel simulation unit, a power supply and other components. When in use, the channel simulator is connected in the meteor trail communication channel in series, to simulate the characteristics of the actual meteor trail channel, which comprise the appearance of random burstand the signal intensity of exponential decay; and the channel simulator can be used for simulation testing of various technical indicators of the meteor trail communication channel. The channel simulator also has the advantages of high degree of integration, simple circuit, small size, convenient use, stable and reliable performance, and so on, and is in particular suitable for the meteor trail channel simulator on the occasions of the joint testing of the system, the transmission threshold testing of the equipment, the capacity testing of the network protocol, and so on in the meteor trail communication system network under the condition of the laboratory.
Owner:NO 54 INST OF CHINA ELECTRONICS SCI & TECH GRP
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