102results about How to "Solve signal interference" patented technology

The invention discloses an intelligent remote control key entry method and a device of an automobile. The device comprises an automobile key transmitting part and an automobile key receiving part, the automobile key transmitting part combines the a transmitting frequency band, transmitting power and transmission coding data into radio-frequency signals numbering N of different frequency bands, and a power amplifier and a radio-frequency antenna are used for transmitting the radio-frequency signals; the receiving part receives data transmitted by the automobile key transmitting part; after receiving frequency is determined, whether the receiving frequency is effective data is judged, interference information data is filtered, and information data conforming to requirements is stored in an FIFO memory; and data is decryption and matching operation are carried out on the data, then an automobile door is opened/ closed according to the information code content. The invention adopts microprocessor control, digital phase-locked frequency selection and a multiband communication technology, solves the problem of signal interference caused by communication at single frequency band in the common PKE system by utilizing multiband radio-frequency signal reorganization and a data frame structure format so as to avoid the interference phenomena among multiple keys of the same automobile type. The invention has the characteristics of simple structure, small volume, low power consumption, high sensitivity and the like.

The invention discloses a method, device and system for obtaining antenna adjustment parameters. The method includes: reading an intensity value of communication signals sent and received between a base station and a repeater; acquiring a current position coordinate and attitude data of an antenna; performing a fitting operation according to the intensity value of the communication signals and the current position coordinate and attitude data of the antenna so as to obtain quality distribution data of the communication signals; and extracting one or more antenna adjustment parameters, which are larger than or equal to a set threshold, from the quality distribution data of the communication signal, wherein the antenna adjustment parameters include a target position coordinate and target attitude data of the antenna. Through the method, device and system for obtaining the antenna adjustment parameters, improvement of call quality in a mobile communication system can be realized and at the same time, performance demands on the base station or a mobile terminal are reduced so that the utilization rate of signal resources is improved and an effect that signal interferences are prevented is achieved.

The invention discloses an embedded touch display screen and a touch display system. The embedded touch display screen comprises a display light source for displaying in a display area, wherein the display area is provided with touch control areas which are arranged in a matrix form, touch control scanning lines corresponding to all lines of touch control areas, and touch control reading lines corresponding to the touch control areas one by one; each touch control area comprises at least one touch control module; the touch control modules comprise light-sensing units and touch control reading units; when the light-sensing units receive light, touch control signals are generated and supplied to the touch control reading units; when the touch control reading units are switched on under the control of the touch control scanning lines, touch control signals are output to the touch control reading lines by the touch control reading units; light received by the light-sensing units is light of a display light source reflected onto the light-sensing units by a touch-control body when the touch control body gets close to the touch display screen; the presence of touch control is determined through judgment of the magnitudes of signals on the touch-control reading lines, so that an optical sensing touch control function is realized; compared with a capacitive sensing touch control screen, the embedded touch display screen and the touch display system have the advantages that the problems of signal interference and signal delay are solved in the case of a large size.

The invention discloses a digitally driven semiconductor display device which at least comprises a silicon substrate, and micro light emitting diodes that are manufactured on the silicon substrate and are arranged in an array. Furthermore each micro light emitting diode at least comprises a first electrode, a plurality of non-organic compound layers and a second electrode. The pixel circuit at least comprises a binary-value storage unit and a driving transistor. The driving transistor is an N-type or P-type metal-oxide semiconductor field effect transistor and only works in an on state or an off state. One end of the micro light emitting diode is connected with the source electrode or drain electrode of the driving transistor, and the other end is connected with a power supply, ground or a negative power supply. The light emitting brightness of the micro light emitting diode is in direct ratio with on time of the driving transistor in unit time. The gray scale generating mode of a display device is digital pulse width modulation. The digital pulse width modulation manner is subfield or subspace. The binary-value storage unit is arranged in a first voltage region, and the driving transistor is arranged in a second voltage region.

The invention discloses a dielectric loss Tan delta test method and tester. The test method comprises the steps of: first, current and voltage signal collection: detecting the work current and work voltage of an electrical device to be tested in real time, and collecting data through a signal collection circuit; and second, signal processing: processing current values and voltage values collected at each sampling time according to a sampling sequence, wherein the current value and voltage value processing comprises the steps of: 201, signal receiving and synchronous storage; and 202: calculation of dielectric loss Tan delta at a current time: data group creation and analysis and processing of signals of a next sampling time. The tester comprises a current detection unit, a voltage detection unit, a signal collection circuit and a data processor. The test method has the characteristics of reasonable design, easy realization, sound use effect, great instantaneity and high test precision, and can conveniently and rapidly test the dielectric loss Tan delta of an electrical device to be tested.

The invention provides in-cell touch display panels. One of the panels includes a plurality of sub-pixel-electrodes, a plurality of touch electrodes, a plurality of touch sensing conducting pads, a plurality of contact holes, a wire concentration area, a plurality of data signal conducting pads, a plurality of touch sensing signal wires and a plurality of data wires. The sub-pixel-electrodes and the touch electrodes are disposed in a touch display area. Each touch electrode corresponds to a plurality of the sub-pixel-electrodes. The touch sensing conducting pads and the data signal conductingpads are disposed in a chip area. The data signal conducting pads and the touch sensing conducting pads are arranged in a crisscrossing manner along a reference straight-line. The wire concentration area is located between the touch display area and the chip area. The touch sensing signal wires are electrically connected with the touch electrodes through the contact holes, and electrically connected with the touch sensing conducting pads correspondingly via the wire concentration area. The data wires are electrically connected with the sub-pixel-electrodes, and electrically connected with thedata signal conducting pads correspondingly via the wire concentration area. The touch sensing signal wires and the data wires crisscross in the wire concentration area, and do not mutually overlap.

The embodiment of the invention provides a signal transceiving device and electronic equipment, which are applied to the technical field of communication and are used for solving the problem that signal interference exists in a common antenna in the existing terminal equipment. The signal transceiving device comprises a first transceiving module, a second transceiving module, a first antenna, a loop device and a signal processing module, the signal processing module is used for splitting the first signal sent to the signal processing module by the first receiving and sending module into two paths of first signals, sending the first path of first signals to the loop device, obtaining and adjusting interference signals in the second path of first signals, and sending the adjusted interference signals to the input end of the second receiving and sending module; the loop device is used for sending the second signal to the second transceiver module; wherein the second signal comprises a first target signal received by the first antenna and an interference signal in the first path of first signal, the interference signal can be cancelled with the adjusted interference signal in the transmission channel, and the second transceiver module is used for receiving the first target signal.

The invention relates to a method for improving the remote activation of an automotive vehicle by determining the frequency of an activation signal based on sampled ambient noise conditions. The selected frequency can be transmitted to a passive remote control device in a challenge signal. The remote control device responds with an activation signal at the selected frequency.

The invention provides foldable terminal equipment. The foldable terminal equipment comprises a first feed power supply, a foldable first part and a foldable second part; the first part is provided with a first antenna unit, a second antenna unit, a third antenna unit, a fourth antenna unit and a fifth antenna unit; the second part is provided with a second antenna unit, and the second antenna unit is coupled with the first antenna unit for feeding when the foldable terminal equipment is folded, wherein the working frequency band of the second antenna unit comprises the working frequency bandof the first antenna unit. The invention provides the foldable terminal equipment, and aims to provide the foldable terminal equipment which is simple in structure and has high antenna performance.

The invention belongs to the technical field of measuring devices for sensing and collecting information such as breathing, heartbeat and body movement of human body in space, and discloses a biological radar, a system and a method and application for non-contact detection of life information, and a miniature integrated biological radar in a sensor, which is used for sensing and collecting breathing and heartbeat information of human body in space in a non-contact manner and converting the sensed information into corresponding electric signals; a life information extraction and breathing and heartbeat signal separation module is used for extracting mixed life information from mixed signals output by the miniature integrated biological radar, separating breathing and heartbeat signals fromthe extracted mixed life information and outputting the breathing and heartbeat signals; and a power supply module is used for providing power supply with appropriate performance. According to the invention, human breathing, heartbeat and body movement information in space are detected in a non-contact mode, and a life information remote real-time monitoring/detecting and early warning system canbe formed by combining the existing Internet of Things technology and equipment.

The invention discloses an underwater acoustic signal modulation and processing method for underwater robot positioning. Spread spectrum techniques are adopted, exclusive-OR operation is carried out on the communication information and the spreading code data; the carrier signal is modulated; the problems of resource waste and signal interference caused by the fact that one underwater robot uses two acoustic systems of underwater acoustic positioning and underwater acoustic communication can be solved; meanwhile, the underwater robot can be ensured to receive acoustic signals passively all thetime, under the mode, due to the fact that the question and answer mode between the system and a user is avoided, the number of the underwater robots contained in the system has no upper limit theoretically, and theoretical support and engineering application guarantee are provided for cooperative operation of the underwater robots which develop rapidly nowadays.

The invention discloses a test method, a test device and a test system. A controller is matched with a signal generator for testing. The controller respectively receives a plurality of test requests of a plurality of devices to be tested. The controller selects one of a plurality of test frequencies and a plurality of signal intensities included in the test request as a test item, generates notification information based on the test item, and broadcasts the notification information to the to-be-tested device, so that the to-be-tested device including the test request of the test item is subjected to frequency locking. The controller drives the signal generator to generate a test signal corresponding to a test item and transmits the test signal to the to-be-tested device.

The invention discloses an LVDS/V-by-one signal test fixture for a core main board. The test fixture comprises a rack for installing a core main board. In addition, the test fixture also includes testpins, a signal switching assembly and a signal connecting line connected with the signal switching assembly. The signal switching assembly is used for outputting an LVDS/V-by-one signal, measured bythe test pin, of the core main board to the signal connecting line and includes a switching base; pin holes matching and corresponding to the test pins are formed in the switching base; one end of each test pine is in butt joint with an LVDS/V-by-one signal testing point arranged on the core main board and the other end of the test pin is inserted into one pin hole. The LVDS/V-by-one signal test fixture has advantages of good anti-interference performance and high test efficiency.

The invention discloses an anti-jamming system for a low-altitude logistics UAV, which is characterized in that: it includes a logistics UAV and a ground station; the ground station includes a signal transceiver device; the logistics UAV includes a body and a control system; The control system includes a navigation system, a flight control system and a signal transceiver system two; a signal detection device is installed on the transceiver system. The low-altitude logistics drone anti-interference system of the present invention detects the interference signal by performing multiple detections on the received signal, and at the same time starts the standby signal frequency after the interference, replaces the signal frequency, and connects the signal, thereby maintaining the normal operation of the low-altitude logistics drone communication.