247results about How to "Simplify Design Complexity" patented technology

The invention relates to a system for measuring a radio-frequency signal high-speed sweeping frequency spectrum based on a digital local oscillator. The system comprises a radio frequency conversion unit, an intermediate frequency signal conditioning unit and a digital intermediate frequency signal processing and controlling unit which are sequentially connected in series. The digital intermediate frequency signal processing and controlling unit is provided with a digital scan synchronous control circuit module and a programmable digital oscillator, wherein the digital scan synchronous control circuit module is connected with an in-phase quadrature (IQ) signal shunt processing circuit module through the programmable digital oscillator, the digital scan synchronous control circuit module is connected with a first local oscillator device, a detector, or a fast fourier transform (FFT) convertor. The invention further relates to a method which is based on the system and achieves synchronous control for the scanning in high-speed sweeping frequency spectrum measurement. Due to the fact that the system and method for measuring radio-frequency signal high-speed sweeping frequency spectrum based on the digital local oscillator are adopted, scanning time is greatly shortened, local frequency accuracy in a scanning process is improved, circuit hardware is simplified, cost is reduced, working performance is stable and reliable, and range of application is wide.

The invention discloses a digitized photoelectric detector sensing circuit provided with a plurality of signal paths. The digitized photoelectric detector sensing circuit comprises a front end sensingunit consisting of a plurality of unit circuits, a column-shared integrating circuit connected with the front end sensing unit, a high-speed and high-precision comparator connected with the column-shared integrating circuit, a delay control unit connected with the high-speed and high-precision comparator, a counter connected with the delay control unit and an output buffering stage connected withthe counter, the output buffer stage is further connected with a column selection register, the output buffering stage forms an output end, and the plurality of unit circuits are further respectivelyconnected with a row selection register, wherein each signal path comprises one unit circuit. The digitized photoelectric detector sensing circuit utilizes an analogue-digital signal conversion technology of pulse frequency coding to advance the position from the analogue-to-digital conversion so as to efficiently reduce the analogue signal processing circuit, eliminate the column fixing mode noise and the column sensing noise in the analogue signal sensing circuit and improve the sensing signal-to-noise ratio.

The embodiment of the invention discloses a high speed mobile communication realization method and high speed mobile communication realization equipment. By the technical scheme of the embodiment of the invention, a definite multi-system data communication mechanism and a data processing mechanism in an on-vehicle processing module are established between the on-vehicle processing module and a backhaul network and between access points in a carriage, thereby realizing multi-system data transmission by using the unified on-vehicle processing module in a high speed extraction and utilization communication scene and improving the data transmission stability. The investment and transformation of hardware of corresponding systems are not required to be greatly increased for the multi-system data transmission, so corresponding cost input is saved, the processing mechanism is simplified and designing complexity is reduced.

The invention relates to a quasi-SCARA (Selective Compliance Assembly Robot Arm) industrial robot, which comprises a base, a whole arm rotating mechanism, a vertical motion mechanism, a forearm rotating mechanism and an actuating station rotating mechanism; the whole arm rotating mechanism is fixedly arranged on the base; the vertical motion mechanism is arranged on the whole arm rotating mechanism; the whole arm rotating mechanism drives the vertical motion mechanism to rotate; the forearm rotating mechanism is fixedly arranged on the vertical motion mechanism; the vertical motion mechanism drives the forearm rotating mechanism to move vertically; the actuating station rotating mechanism is arranged on the forearm rotating mechanism; the forearm rotating mechanism drives the actuating station rotating mechanism to rotate; so that a tandem type industrial robot structure is formed. Compared with an SCARA robot, the quasi-SCARA industrial robot has the advantages that the lifting movement of the robot is moved from the fourth joint to the second joint, the robot is small in size in the vertical direction due to the special flat design of the forearm rotating mechanism and the actuating station rotating mechanism, and thus the robot is more suitable for operations of carrying objects and the like in a narrow space.

An apparatus includes a storage transistor. The storage transistor includes a floating gate configured to store electrical charge and a control gate. The floating gate is coupled to the control gate via capacitive coupling. The floating gate and the control gate are metal. The apparatus also includes an access transistor coupled to the storage transistor. A gate of the access transistor is coupled to a word line. The storage transistor and the access transistor are serially coupled between a bit line and a source line.

A battery power integration apparatus includes a power converter, a battery control module, and a relay. The power converter has an input side and an output side, and the input side is connected to a high-voltage DC voltage. The battery control module includes a relay control circuit and a pre-charge control circuit. The relay is connected to the input side of the power converter and the battery control module. The pre-charge control circuit receives a pre-charge enable signal generated from the power converter to pre-charge the input side of the power converter. The power converter steps down the high-voltage DC voltage to output a low-voltage DC voltage at the output side thereof when the relay control circuit turns on the relay, thus supplying the required power for low-voltage devices inside a hybrid electric vehicle.

The invention discloses a semi-continuous method for converting methyl alcohol into propylene by using a moving bed technology, which comprises the following steps: mixing a molecular sieve based catalyst with a diluent, and then, introducing into a first reaction zone; introducing a methyl alcohol raw material into the first reaction zone to generate contact reaction with the molecular sieve based catalyst to generate a first material flow; introducing the first material flow into a second reaction zone to generate the contact reaction with the molecular sieve based catalyst to generate a second material flow; after the second material flow and the methyl alcohol raw material exchange heat and after dehydration and oxide removing are carried out, carrying out separation to obtain a second reaction zone return, a second reaction zone discharge and a third reaction zone feed, and merging the second reaction zone return into the first material flow; introducing the third reaction zone feed into a third reaction zone to be contacted with the molecular sieve based catalyst to generate a third material flow; and conveying the molecular sieve based catalyst into a regenerating unit at regular intervals by adopting a catalyst collector for regeneration, and intermittently merging into the molecular sieve based catalyst for circulation. Three stages of reaction of the methyl alcohol into the propylene are realized only by one molecular sieve based catalyst, thereby, the propylene yield is improved.

The invention relates to a distributed unified management method for GPU graphic state parameters. The management content includes a classification mode of the OpenGL graphic state parameters, a distribution mode of different graphic state parameters, an access mode of different graphic state parameters and a debugging mechanism of a host computer for all the graphic state parameters. The invention discloses a distributed unified management mechanism for the GPU graphic state parameters. The method comprises the following steps: firstly, classifying and mapping according to different graphic processing streamline stages on the basis of all the graphic state parameters applied to GPU by OpenGL API, and then designing the distributed type implementation mode of different parameters on a chip according to the use mode of the parameters and the realizing requirements of circuit parallel access and low delay. On the basis, an access mechanism for the GPU graphic state parameters based on a window is designed. On the basis of the window, the read-write access of the GPU to the graphic state parameters in a graphic processing process can be realized and the read-write access of the host computer to all the graphic state parameters also can be realized under a debugging mode.

A fuel reservoir for a liquid fuel cell particularly useful for portable electronic devices or for a reformer, includes (a) a container defining a volume for holding a liquid fuel; (b) a wicking structure positioned within the volume and into which at least one portion of the liquid fuel wicks and from which said liquid fuel subsequently may be metered, such as by pumping; (c) a retainer to hold the wicking structure in a desired orientation within the container; and (d) an outlet for the liquid fuel that is in communication with the wicking structure. A method of dispensing liquid fuel and a method of assembling a fuel cartridge are also disclosed.

The invention provides an OCP riser card and computer equipment. The riser card comprises an OCP connector, a CPLD (Complex Programmable Logic Device), a selector and a mainboard connector, wherein the CPLD is a complex programmable logic device; the OCP connector is used for connecting an OCP network card; the CPLD is used for bandwidth allocation, in-place control and power-on and power-off control of the OCP network card; the selector is used for gating the single-host host or the double-host based on the working mode configuration information stored in the CPLD; the mainboard connector isused for being connected with a mainboard device. Information interaction of each module is carried out; the functions of supporting a single host and a dual host are realized; the switching of the configuration of the single host and the dual host can be realized on the premise of not opening a case to replace a cable according to requirements, so that the design complexity of the mainboard interface is simplified, the application is more flexible and diversified, and the multiplexing of other peripherals of the PCIE interface of the mainboard end is facilitated. Meanwhile, a hot plug controlcircuit is designed in two corresponding modes.

The invention provides an FPGA-based IRIG-B code decoder and decoding method thereof. The decoder includes a B code analysis unit and an information output unit which are arranged in an FPGA; the B code analysis unit comprises a code element recognition module, an information extraction module and a format conversion module which are connected with one another sequentially; the information output unit comprises a UTC time module and an interface module which are connected with each other sequentially; the code element recognition module is used for processing IRIG-B code signals inputted from the outside; the information extraction module is used for receiving code element types outputted by the code element recognition module, and providing on-time reference point signals for the UTC time module; the format conversion module is used for providing UTC second signals to the UTC time module; and the information output unit provides PPS and UTC time signals for external applications through the interface module. The method comprises the following steps of: 1) code element analysis; 2) information extraction; 3) UTC second signal calculation; and 4) UTC time synthetic output.

The invention discloses a spacecraft power supply system and a control method thereof, the spacecraft system comprises a power supply module, a storage battery, a charging adjustment module, a discharging adjustment module, a voltage error amplification circuit and a battery charging management circuit, and the voltage error amplification circuit is used for controlling the adjustment of bus voltage. The battery charging management circuit is used for controlling the adjustment of the output power of the charging adjustment circuit; according to the control method of the spacecraft power supply system, voltage ranges of main error amplification signals MEA output by a voltage error amplification circuit are different; and the power supply system works in three different modes: an illuminator shunt regulation circuit stabilized bus voltage function working domain, a shadow period discharge regulation circuit stabilized bus voltage function working domain and a dead zone. The novel spacecraft power supply system only experiences one dead zone range, the bus dynamic response speed of the power supply system can be effectively improved, and the design complexity of a control system ofa charging adjustment circuit is greatly simplified.

A printing method and apparatus (100) for pre-exposing a digital watermark along a length of photosensitive medium at the time of manufacture is disclosed. The printing apparatus has an illumination source (60) for providing an exposure illumination, first and second LCD spatial light modulators (90a, 90b) for modulating the exposure illumination to form first and second exposure patterns according to image data, combining optics providing a single output path for directing both first and second exposure patterns onto the photosensitive medium and transport means for providing, during exposure, lengthwise displacement of the photosensitive medium with respect to the output path. The first and second exposure patterns form, lengthwise along the photosensitive medium, a latent image with modulated stripes having a predetermined intensity corresponding to the exposure patterns.

The embodiment of the invention discloses a vehicle-used active anti-collision radar echo simulator. A vehicle-used active anti-collision radar signal is subjected to independent two stage frequency conversion through a millimeter wave system and a centimeter wave system, wherein all components of the millimeter wave system are detachable components, thus the components of the millimeter wave system can be configured to be components targeting radar signals of a specific frequency band, so that the vehicle-used active anti-collision radar echo simulator provided by the embodiment of the invention can be used for testing vehicle-used active anti-collision radars of different frequency bands, and the university is increased. Moreover, according to the vehicle-used active anti-collision radar echo simulator provided by the embodiment of the invention, the vehicle-used active anti-collision radar is borne by a controllable turntable, thus simulation of variations of relative motion and relative position between a target and the vehicle-used active anti-collision radar can be achieved by changing directions of the vehicle-used active anti-collision radar, the design complexity of the vehicle-used active anti-collision radar echo simulator is simplified, and the cost is reduced.

A method, base station, and user terminal for physical multicast channel resource transmission, related to the field of mobile radio communication. The disclosed method of the present invention comprises: the base station transmits corresponding data on the basis of a subframe type and/or a service cell type, where the subframe type comprises a multicast-broadcast single-frequency network (MBSFN) and a non-MBSFN, the service cell type comprises a service cell having cell-specific reference signal (CRS) transmission and a service cell having no CRS transmission, and the data comprises unicast service data and/or multicast service data. Also disclosed are the base station and the user terminal. When employed, the technical solution of the present application allows intra-subframe frequency-division multiplexing of a unicast service and of a PMCH to be of increased rationality, and allows a receiving end access system of the unicast service and operations in the system to be subjected to minimized impact from the PMCH.

The invention relates to a physical layer double mode design method of a communication module in the Internet of Things, and belongs to the field of communication of the Internet of Things. In the communication of the Internet of Things, an application layer and a protocol stack part in two communication modes are shared, a physical layer is respectively composed of two communication modes, the two communication modes of the physical layer can send data blocks of the protocol stack. At the same time, the data blocks received by the two physical layer modes are reported to the protocol stack for processing. In a communication process, the protocol stack does not care about the physical layer adopts which physical layer transmission mode for transmission. In a complex Internet of Things communication scene, the two communication modes of the physical layer are adopted to improve the communication ability in the Internet of Things, which is conducive to improving the performance of the Internet of Things.

The embodiment of the invention provides electronic equipment. In the electronic equipment, a side face fingerprint identification device is in contact with the function key; a containing structure is arranged in the side face fingerprint identification device. A limiting assembly is arranged on one side, close to a fingerprint hole of a function key, in the electronic equipment; part of the area of the limiting assembly is inserted into the containing structure. When the side face fingerprint identification device is pressed, the side face fingerprint identification device can move in the moving space of the containing structure close to one side of the fingerprint hole of the function key. The displacement of the side face fingerprint recognition device is limited within a certain range, the functions of the side face fingerprint recognition device and the function key can be achieved at the same time, the side face fingerprint recognition device can be prevented from being separated from an originally designed position, and therefore the side face fingerprint recognition device can be well fixed to the electronic equipment.

The invention discloses a method for determining a wind turbine blade structure based on a finite difference method. The structure design by the finite difference method is coincident with the design process of the blade. Pneumatic profile of the blade is designed firstly and then the structural design is carried out on the premise of determining the pneumatic profile so as to ensure the pneumatic efficiency and structural strength of the blade. By using the finite difference method, three-dimensional design is changed into two-dimensional design so as to simplify the design complexity. Due to the adoption of a reverse finite difference method, the deformation control design of the blade is realized. By taking theoretical section flexural rigidity as a design target, the section area is restrained so as to realize the light-weight design of the blade.

The invention discloses a coherent signal transceiving method and device and a coherent passive optical network system, and relates to the field of passive optical networks. The system comprises a coherent signal transmitting device and a coherent signal receiving device, wherein the coherent signal sending device divides an optical signal of the wide-linewidth light source device into two paths with the same light intensity, each path is used as an optical carrier of a light intensity modulator, the light intensity modulator is driven by an electric driving signal to carry out optical signalmodulation, and the two paths of modulated optical signals are sent to an optical distribution network after being subjected to polarization beam combination; The coherent signal receiving device divides the local oscillation light and the received light signal into X polarized light and Y polarized light which are perpendicular to each other, and the light field intensities of the X polarized light and the Y polarized light divided by the local oscillation light are equal; Two beams of X-polarized light are mixed, two beams of Y-polarized light are mixed, light signals output after mixing aredetected by a single-ended photoelectric detector, and signal recovery is carried out through envelope detection after trans-impedance amplification and blocking. The total cost of coherent light detection can be reduced.

The invention relates to a minimum value calculator of an LDPC encoder and a construction method thereof. The minimum value calculator comprises a multilevel ordering unit and an inquiry unit. The multilevel ordering unit complements the ordering step in an ordering-inquiry type minimum value calculating method in a hierarchical manner; the hierarchical manner divides an input set in a recursive manner; a plurality of sets obtained in each division are processed by calculating operation on a minimum value, a secondary minimum value and minimum value serial number so as to form one level, thereby forming a hierarchical type hardware configuration which is a regular hierarchical configuration or an irregular hierarchical configuration; and the construction method of the minimum value calculator based on the regular hierarchical configuration forms the multilevel ordering unit in a stepwise manner by determining a hierarchical cardinal number. The minimum value calculator and the construction method thereof simplify the HPU design of the LDPC encoder, reduces the HPU hardware source consumption, and is easy to perform pipelining design on HPU of the LDPC encoder, thereby partitioning a key path of HPU, and increasing the working speed and the data throughput of the LDPC encoder.

The invention discloses a three-level full-bridge soft switch current conversion circuit and a control method therefor, and the circuit comprises an input capacitor C1, an input capacitor C2, a three-level full-bridge inversion circuit, a transformer, and an output circuit. A connection line between the three-level full-bridge inversion circuit and the primary side of the transformer is in seriesconnection with a saturation inductor and a blocking capacitor. The invention proposes a control method for the circuit, and the method is simple and effective. The method can cooperate with a currentconversion circuit to achieve a soft switch effect, also can simplify the design complexity of the drive circuit, just needs two pulse transformers and a matched drive circuit, and can achieve the drive isolation and drive power transmission of eight switching tubes without an additional isolation power supply.

An equipment for generating directional sound waves is composed of a pre-compensating unit to receive an audio signal for pre-compensating and output a signal, an ultrasonic modulation unit for providing an ultrasonic carrier, an AM unit for receiving said output signal to modulate said carrier, a power amplifier, and a directional ultrasonic wave beam emitting element. Said carrier is locally demodulated by air itself to be reduced to audio signals, which can be heared only in the local region.

A data processor supporting an interrupt shielding instruction comprises an instruction extraction unit, an instruction decoding unit, an instruction execution unit and an exception and interrupt processing unit; an instruction set in an instruction memory further comprises an interrupt shielding instruction; the interrupt shielding instruction comprises a type field, a start field and an end field; the data processor further comprises an interrupt shielding controller; the interrupt shielding controller is used for detecting the interrupt shielding instruction information and the following instruction complete information transmitted by the instruction execution unit; an instruction sequence between the initial position and the end position of the relative current interrupt shielding instruction is generated into the interrupt shielding information; the output end of the instruction execution unit is connected with the interrupt shielding controller; and the interrupt shielding controller is connected with the exception and interrupt processing unit. The data processor supporting the interrupt shielding instruction avoids the damage to a framework and simplifies the design complexity.