397results about How to "Improve signal transmission performance" patented technology

A method for cancelling co-channel interference in a multi-carrier communication system includes receiving a serial baseband multi-carrier signal including at least one desired signal and at least one interference signal over at least one receiving branch, and converting the received multi-carrier signal into a plurality of baseband sub-carrier signals. Co-channel interference in each sub-carrier signal is cancelled by subtracting an estimated desired received sub-carrier signal and an estimated interference sub-carrier signal from a received sub-carrier signal. The sub-carrier signals are converted to a multi-carrier output signal comprising the desired signal.

The present application provides a male connector, a female connector, a connector assembly and a communication equipment. The male connector comprises a male conductive base, wherein a plurality of first through holes are arranged on the male conductive base; a plurality of shielding sleeves which are fixed on the male conductive base and electrically connected with the male conductive base, theshielding sleeves have a sleeve structure, a front-back through shielding cavity is formed in the shielding sleeves, a plurality of the shielding sleeves are corresponding to a plurality of first through holes in a one-to-one way and the shielding cavity is communicated with the corresponding first through holes; and a plurality of male differential pairs, wherein a plurality of male differentialpairs are corresponding to a plurality of shielding sleeves in a one-to-one way, the male differential pairs are fixed in the shielding cavity by penetrating through the first through holes and the male differential pairs are electrically insulated from the male conductive base and the shielding sleeves. Compared with the connectors in the prior art, the connector has the advantages of convenientprocessing, high mechanical strength and good shielding effect.

The present invention relates to a method for generating a reference signal, including: obtaining first control information, where the first control information indicates or includes cyclic shift related information which is used by a terminal belonging to a serving cell to send a reference signal; and sending the first control information to the terminal belonging to the serving cell, so that the terminal belonging to the serving cell generates the reference signal according to the cyclic shift related information which is indicated or included by the first control information and used by the terminal to send the reference signal, where a variation rule of a cyclic shift which the terminal belonging to the serving cell uses to generate the reference signal is the same as that of a cyclic shift which a terminal belonging to a coordinated cell uses to generate the reference signal.

A HDMI connector assembly includes an insulative body including a body member including a central channel therethrough and parallel grooves on top and bottom of the channel, and a plate including two rows of parallel terminal cavities aligned with the grooves; an insulative seat provided in the channel and including a rear member including parallel furrows on its top and bottom, and a front member including parallel depressions; two rows of conductors provided in the depressions, the furrows, the grooves, and the terminal cavities, each conductor including a front electrical terminal and a rear solder member wherein the solder members of one row and the solder members of the other row are bent in opposite directions; and a housing for receiving the insulative body. The invention has advantages of increased quality and signal transmission performance, and causing no pollution.

A signal reception device is disclosed that is capable of detecting symbol synchronization timing with high precision in accordance with a condition of a propagation path even in an environment involving multi-path interference. The signal reception device adopts an OFCDM transmission scheme or a multi-carrier transmission scheme. The signal reception device includes a received signal information calculation unit to calculate received signal information representing a signal reception condition of a received signal; an output combination unit to combine correlation values in a predetermined section obtained by correlation detection based on the received signal information; and a symbol timing detection unit to detect a symbol synchronization timing based on the combined value.

The invention relates to a communication method between communication devices adopting environment RF wireless charging, and belongs to the technical field of communication adopting the environment RFwireless charging. The technical problem to be solved is to provide the communication method between communication devices adopting environment RF wireless charging. The technical scheme adopted to solve the technical problem is as follows: performing communication by using a transmitter S and a receiver D, wherein the transmitter S is capable of performing an active data transmission mode or a data backscattering transmission mode, and performing RF energy collection; the receiver D can demodulate data from modulated backscattering and active RF transmission; the data transmission mode can be accomplished by the transmitter S by receiving selection signaling; and the communication method provided by the invention is applied to RF wireless charging communication devices.

The invention relates to a terminal and a method for the terminal to transmit uplink signals. The method includes receiving an instruction which is transmitted by a serving base station and is used for determining transmission power; selecting an uplink power control formula from multiple uplink power control formulas according to the instruction; obtaining the transmission power of an uplink signal by the selected uplink power control formula; and transmitting the unlink signal by the transmission power. The uplink power control formula is selected from the multiple uplink power control formulas according to the instruction of the serving base station, so that the terminal can select the corresponding unlink power control formulas to determine the transmitted signals according to receiving modes, power control requirements under the current different receiving modes are met, the corresponding unlink power control formulas can also be used for different configuration parameters of acyclic SRSs (sounding reference signals), the proper transmission power is determined so as to transmit the unlink signals, and the unlink transmission power control flexibility and the signal transmission performance of the terminal are improved.

A touch pixel array substrate suitable for a touch display panel includes a first substrate, scan lines, data lines, signal-control lines, read-out lines, voltage-shielding lines, active devices, pixel electrodes, and photo-sensing units. The scan lines, the data lines, the signal-control lines, the read-out lines, and the voltage-shielding lines are located on the first substrate. Each of the read-out lines is located between two adjacent data lines. Each of the voltage-shielding lines is located between one of the read-out lines and one of the data lines. Both sides of each of the read-out lines are adjacent to two voltage-shielding lines. The photo-sensing units are located on the first substrate and electrically connected to the scan lines, the signal-control lines, and the read-out lines correspondingly. A touch display panel and a touch pixel structure are also provided.

The present invention provides a matched-impedance jumper that is operable to connect pairs of differential signal conductors to provide improved signal transmission characteristics. In an embodiment of the invention, the impedance-matched jumper is used to connect a first pair of differential signal conductors to a selected pair of differential signal conductors selected from a plurality of second pairs of differential signal conductors. The impedance-matched jumper comprises a plurality of input pins that are operable to connect with a plurality of connection pads on the first pair of differential signal conductors and a plurality of output pins operable to connect with a plurality of connection pads on the predetermined second pair of differential signal conductors. A plurality of internal conductors are operably connected to the input pins and the output pins to define a signal path therebetween. The signal path defined by the input pins, the output pins, and the internal conductors provides an impedance-matched passthrough for differential signals.

The invention relates to a preparation method and an application of high expansion coefficient copper sealing glass powder, wherein the technical difficult problems of high cost, long production period, high use environment requirements and the like of the existing copper seal electrical connector are solved. The high expansion coefficient copper sealing glass powder adopts a phosphate glass system and comprises the following components by mole: 45-65% of P205, 10-15% of B203, 4-15% of Al2O3, 5-20% of Na2O, 8-22% of K2O, and 0-12% of PbO+BaO+CaO+MgO. The application comprises: carrying out mixing, heating, stirring, molding, drying and other steps on the glass powder and a paraffin thin sheet, assembling a sealing copper shell and a glass billet, placing on a graphite mold, placing into a nitrogen atmosphere furnace or vacuum furnace, carrying out thermal insulation for 30 min at a temperature of 600-780 DEG C, and cooling to a room temperature to obtain the electrical connector with characteristics of high temperature resistance, high resistivity and high air-tightness. According to the present invention, the glass powder can match to the copper alloy shell expansion coefficient, the produced copper alloy electrical connector can achieve good electrical property, the preparation method is suitable for industrial production, and the economic benefits can be increased.

The invention discloses a shift register circuit comprising multi-stage shift registers for providing a plurality of grid signals. Each stage shift register comprises an input unit, a voltage increasing unit, a unidirectional conducting unit, a driving unit and a pull-down unit, wherein the input unit outputs a front drive control voltage according to a first input signal, the voltage increasing unit increases the front drive control voltage as the increase of a system clock, the unidirectional conducting unit executes unidirectional conduction for the front drive control voltage to output drive control voltage, the driving unit outputs a grid signal based on the drive control voltage and the system clock, and the pull-down unit pulls down the corresponding grid signal, drive control voltage and the front drive control voltage according to a second input signal.

A detecting apparatus for detecting a fine geometry on a surface of a sample, wherein an irradiation beam is irradiated against the sample placed in a different environment different from an atmosphere and a secondary radiation emanated from the sample is detected by a sensor, and wherein the sensor is disposed at an inside of the different environment, a processing device to process detection signals from the sensor is disposed at an outside of the different environment, and a transmission means transmits detection signals from the sensor to the processing device.

The invention discloses a pipeline detection robot. The pipeline detection robot comprises a robot head, a robot middle portion connected with the robot head through a first elastic connecting body and a robot tail connected with the robot middle portion through a second elastic connecting body. A bionic leg for traveling is arranged on each of the left sides and the right sides of the robot head, the robot middle portion and the robot tail. A camera for camera-shooting and multiple ultrasonic sensors for detecting obstacles are arranged on the robot head. A circuit control board for controlling the traveling gait of the robot and receiving detection signals is arranged on the robot middle portion. A winder for take-up and pay-off of cables is arranged at the robot tail. According to the pipeline detection robot, a body of the pipeline detection robot has certain scalability and flexibility, meanwhile has flexible gait planning capability and can adapt to the application needs of cornering, crawling, obstacle avoidance and detection in different pipeline environments; and due to the fact that detection signal transmission is stable and reliable, the pipeline failure detection efficiency of the robot is higher.

A wireless communication device includes a housing and an antenna unit. The antenna unit is disposed on the outer or inner surface of the housing. A protective layer is optionally disposed to cover the outer surface of the antenna unit and, even more, at least a portion of the housing. Thus, the antenna unit separated from the circuit board does not occupy the layout region of the circuit board, so that the layout region of the circuit board can be used for other purposes. Moreover, the antenna unit formed on the housing can enhance the performance of the wireless communication device for transceiving signals.

The invention discloses a Cat7 soft cable for ocean engineering equipment local area networks and a manufacturing method thereof and belongs to the technical field of cables. The cable comprises four twisted pairs, wherein each twisted pair is twisted by two core conductors respectively with an insulating layer; each core conductor is twisted by seven equant tinned wires; a double-layer independent shielding layer is longitudinally wrapped outside each twisted pair, the inner side of the double-layer independent shielding layer is provided with an internal current introducing wire, and the periphery of the double-layer independent shielding layer is provided with an internal wrapping layer; and the four twisted pairs with the internal wrapping layers thereof are twisted into a cable core, an integral wrapping layer is arranged outside the cable core, an integral shielding layer is arranged on the integral wrapping layer, the inner side of the integral shielding layer is provided with an external current introducing wire, an external wrapping layer is arranged outside the integral shielding layer, a knitted shielding layer is arranged outside the external wrapping layer, an internal protective sheath is arranged outside the knitted shielding layer, an armored layer is arranged outside the internal protective sheath, and an external protective sheath is arranged outside the armored layer. The invention has the advantages of favorable insulating property, high strength, soft cable and interference resistance, and can be safely used as a signal transmission cable in construction of ocean engineering equipment local area networks.

Compositions comprising nanosized objects (i.e., nanoparticles) in which at least one observable marker, such as a radioisotope or fluorophore, is incorporated within the nanosized object. The nanosized objects include, for example, metal or semi-metal oxide (e.g., silica), quantum dot, noble metal, magnetic metal oxide, organic polymer, metal salt, and core-shell nanoparticles, wherein the label is incorporated within the nanoparticle or selectively in a metal oxide shell of a core-shell nanoparticle. Methods of preparing the volume-labeled nanoparticles are also described.