78results about How to "Elimination distance" patented technology

The invention discloses an emergency medical rescue wireless mobile information management method and a platform, and the central content of the method is built on the basis of a regional monitoring information wireless network management system in a wide area. The invention comprises a handheld PDA device, a mobile monitoring information management system and an emergency rescue dispatching information management system, wherein, the handheld PDA device is used for rapidly inputting and transmitting the basic conditions and illness information of patients on the incidence scene; the mobile monitoring information management system belonging to the mobile ambulance onboard part is in charge of the acquisition and transmission of the monitoring information, the basic information of patients and treatment and rescue information, voice and video instant messaging, GPS location and real-time traffic enquiries; and the emergency rescue dispatching information management system arranged in the emergency rescue dispatching management center in fixed places is in charge of dispatching management and real-time monitoring of the comprehensive information. In the invention, the information of the emergency rescue process is digitalized; the rescue medical information of patients from different regions such as the incidence site, transport process, reception hospital, rescue in hospital, dispatch and control and the like can be shared in real time and synchronously, thus building a new rescue mode in which the information runs first with the non-arrival of patients.

One embodiment of the present invention provides an apparatus that reduces voltage noise for an integrated circuit (IC) device. This apparatus includes an interposer, which is configured to be sandwiched between the IC device and a circuit board. This interposer has a bottom surface, which is configured to receive electrical connections for power, ground and other signals from the circuit board, and a top surface, which is configured to provide electrical connections for power, ground and the other signals to the IC device. A plurality of bypass capacitors are integrated into the interposer and are coupled between the power and ground connections for the IC device, so that the plurality of bypass capacitors reduce voltage noise between the power and ground connections for the IC device.

Provided is an apparatus and method for computing the location of a radio beacon by using Time Difference Of Arrival (TDOA) and multiple frequencies. The apparatus and method of the present invention compute the location of a radio beacon without limitation in distance by using multiple frequencies and time difference of arrival to resolve the problem of phase ambiguity. A radio beacon location computing system includes a plurality of base stations configured to receive signals of multiple frequencies transmitted from the radio beacon, and detect and output phase differences and arrival time; and a location computing server configured to receive the phase differences and the arrival time outputted from the respective base stations, acquire calculation distances based on the phase differences, remove phase ambiguity from the calculation distances based on the arrival time, and compute the location of the radio beacon.

One embodiment of the present invention provides an apparatus that reduces voltage noise for an integrated circuit (IC) device. This apparatus includes an interposer, which is configured to be sandwiched between the IC device and a circuit board. This interposer has a bottom surface, which is configured to receive electrical connections for power, ground and other signals from the circuit board, and a top surface, which is configured to provide electrical connections for power, ground and the other signals to the IC device. A plurality of bypass capacitors are integrated into the interposer and are coupled between the power and ground connections for the IC device, so that the plurality of bypass capacitors reduce voltage noise between the power and ground connections for the IC device.

A method and apparatus for allocating time slots in a communications network, comprising a headend, a plurality of outstations, and a shared medium connecting each outstation to the headend. The method involves scheduling timeslots for each outstation responsive to the measures of distance of each outstation from the headend. The method reduces the requirement for guard bands between timeslots, since it obviates allocation of a guard band between consecutive first and second timeslots where the outstation allocated the second timeslot is located no closer to the headend than the outstation allocated the first time slot. Ideally, the timeslots are allocated to outstations cyclically in ascending order of distance of the outstations from the headend, with the closest outstation following the farthest to complete the cycle, so that guard bands are rendered unnecessary between the majority of timeslots. In preferred embodiments distance may be round-trip delay, and the outstations and head end may be configured to form a ring network.

Provided is an apparatus and method for computing the location of a radio beacon by using Time Difference Of Arrival (TDOA) and multiple frequencies. The apparatus and method of the present invention compute the location of a radio beacon without limitation in distance by using multiple frequencies and time difference of arrival to resolve the problem of phase ambiguity. A radio beacon location computing system includes a plurality of base stations configured to receive signals of multiple frequencies transmitted from the radio beacon, and detect and output phase differences and arrival time; and a location computing server configured to receive the phase differences and the arrival time outputted from the respective base stations, acquire calculation distances based on the phase differences, remove phase ambiguity from the calculation distances based on the arrival time, and compute the location of the radio beacon.

An embodiment of the invention discloses a multiple-converter master-slave control system. The multiple-converter master-slave control system comprises a main frequency converter, a first slave frequency converter, a second slave frequency converter and N third slave frequency converters. A fourth sending port of the main frequency converter is in communication connection with a first receiving port of the first slave frequency converter; a fourth receiving port of the main frequency converter is in communication connection with a second receiving port of the second slave frequency converter; a first sending port of the first slave frequency converter is in communication connection with a second receiving port of the second slave frequency converter through the N third slave frequency converters which are connected in series, wherein N is an integer which is greater than or equal to zero. The multiple-converter master-slave control system facilitates simplifying wiring structure complexity of a converter system and improving stability and reliability of the converter system.

The present invention is a shredder-granulator comprised of a plurality of rotary shear blades and a plurality of stationary bed knives fixedly attached to two counter-rotating shafts. The stationary bed knives are also secured to a frame. The shredder-granulator is capable of shredding and granulating materials in a single pass.

The invention discloses a failure processing method and a frequency converter multi-machine primary-and-secondary control system. The failure processing method comprises the steps that a primary frequency converter is switched to be in a failure state and sends a main machine switching order through a fourth sending terminal when the primary frequency converter is in failure, and the primary frequency converter forwards command words and / or data words through the fourth sending terminal, wherein the command words and / or the data words are received by the primary frequency converter through a fourth receiving terminal and are from a second secondary frequency converter; a fifth secondary frequency converter which meets agent requirements of the primary frequency converter is switched to be an agent primary frequency converter after the fifth secondary frequency converter receives the main machine switching order, wherein the agent primary frequency converter carries out operation according to operating parameters before the failure of the primary frequency converter, and the fifth secondary frequency converter is one of a first secondary frequency converter, a second secondary frequency converter and N third secondary frequency converters. According to the technical scheme, the failure processing method and the frequency converter multi-machine primary-and-secondary control system are beneficial to improving stable reliability of a frequency converter system.

A method and apparatus for allocating time slots in a communications network, comprising a headend, a plurality of outstations, and a shared medium connecting each outstation to the headend. The method involves scheduling timeslots for each outstation responsive to the measures of distance of each outstation from the headend. The method reduces the requirement for guard bands between timeslots, since it obviates allocation of a guard band between consecutive first and second timeslots where the outstation allocated the second timeslot is located no closer to the headend than the outstation allocated the first time slot. Ideally, the timeslots are allocated to outstations cyclically in ascending order of distance of the outstations from the headend, with the closest outstation following the farthest to complete the cycle, so that guard bands are rendered unnecessary between the majority of timeslots. In preferred embodiments distance may be round-trip delay, and the outstations and head end may be configured to form a ring network.

The invention discloses an ultrahigh-resolution spaceborne SAR imaging processing method. The ultrahigh-resolution spaceborne SAR imaging processing method comprises the following steps of establishing a two-dimension frequency spectrum model of a spaceborne SAR echo signal, eliminating a range-migration phase item and a high-order coupling phase item which are arranged at the position of the reference slope distance of the two-dimension frequency spectrum model through multiplying the two-dimension frequency spectrum model by a reference function which corresponds to the two-dimension frequency spectrum model, conducting distance-direction reverse Fourier transform on the processed signal with the range migration phase item and the high-order coupling phase item are eliminated, correcting the residual distance migration quantity of the two-dimension frequency spectrum model in an interpolation mode, compensating the rest of high-order coupling phase items of the two-dimension frequency spectrum model in a distance blocking compensation mode, eliminating an orientation modulation phase item of the two-dimension frequency spectrum model in an orientation compression mode, and finally obtaining a spaceborne SAR image after focusing. In addition, the invention further discloses an ultrahigh-resolution spaceborne SAR imaging processing device. Through the ultrahigh-resolution spaceborne SAR imaging processing method and device, the high-quality ultrahigh-resolution spaceborne SAR image can be obtained. The high-quality ultrahigh-resolution spaceborne SAR image has a good locating capability and meets the application demand under the condition of high resolution.

An apparatus of a backlight module and a liquid crystal display. The apparatus includes a plurality of point light sources and a light guide plate. The plurality of point light sources is positioned on a base plate. The light guide plate has a first surface and a second surface parallel to the first surface. The first surface of the light guide plate has a plurality of convex structures corresponding to the point light sources, every convex structure has a distal end portion, and an arc-shaped recess formed therein.

This invention relates to one space line insert method based on time division method and maths integral method, which relates to move control space insert control technique and is characterized by the following: on basis of the above method, it adopts controllable insert circle summed impulse times to process rough insert on space line and then adopts digital integral method for accurate insert according to preset division parameters.

The invention discloses an intelligent window based on an internet of things computer. The intelligent window comprises a wall body, wherein a window opening is formed in the surface of the wall body,and a left window body and a right window body are fixedly arranged on the inner wall of the window opening respectively. A guide groove is formed in the inner top wall of the window opening, a reciprocating hole is formed in the inner top wall of the guide groove, the inner walls of the two ends of the reciprocating hole are fixedly connected with first bearings, and inner rings of the first bearings are fixedly connected with first threaded rods. One end of each first threaded rod penetrates through and extends to the outer surface of the wall body, and the surface of each first threaded rod is in threaded connection with a left threaded pipe and a right threaded pipe respectively. According to the intelligent window based on the internet of things computer, the effect of sensing and controlling the humidity of a motor is achieved, when it rains, rainwater falls onto the surface of a humidity sensor, the humidity sensor carries out detecting and sensing and sends an electric signal,and thus the motor is controlled to be started automatically, and the intelligent effect is achieved; and therefore the problem of certain non-timeliness of opening and closing the intelligent windowby manually operating the internet of things computer is effectively solved.

An information transmission device coupled to a GPS (Global Position System) receiver is proposed. The information transmission device is fixated to a vehicle by a base with a supporting rod, and the base is adapted for supporting a portable electrical device. The base has an opening for exposing an infrared transmitter disposed in the base. The position of the opening for exposing the infrared transmitter corresponds to the position of an infrared transceiver unit of the portable electrical device. GPS signals received by the information transmission device can be transmitted to the infrared transceiver unit of the portable electrical device by the infrared transmitter of the information transmission device, thus the portable electrical device obtains the GPS signals by means of wireless transmission.

Provided is a method of exposing a wafer using a scan-type exposure apparatus. The method includes scan exposing a first shot selected from a first shot column formed of an array of shots disposed in a row in a first direction. The first shot column may be included in a plurality of shots repeatedly formed in the first direction and a second direction that are substantially orthogonal to each other in an exposure target area on the wafer. The method further includes scan exposing a second shot that is included in a second shot column and disposed in a diagonal direction to the first shot. The second shot column may be formed of an array of shots disposed in a row in the first direction and is closer to the first shot column than any other shot in the plurality of shots.

A continuous sharp chain conveyor system is disclosed wherein a workpiece may be elevated from the sharp chain conveyor while the workpiece is transported down the sharp chain conveyor such that the workpiece may be rotated to maintain the workpiece in an optimized position. The system includes a sharp chain which engages the workpiece, a first and a second skid positionable parallel alignment with the sharp chain to elevate and lower the workpiece relative to the sharp chain, and pairs of rotatable positioning drive rolls positionable along the sharp chain to rotate the workpiece when the workpiece is elevated. The system may also include a plurality of hold-down rolls to maintain the workpiece on the sharp chain by exerting downward pressure on the workpiece. The pairs of rotatable positioning drive rolls may cooperatively displace the workpiece laterally and / or independently angularly displace the workpiece relative to the longitudinal centreline of the sharp chain.

The invention discloses a network simulation interview method. According to the network simulation interview method of the invention, a user provides personal related information in a remote system directly through interacting with the system; the system carries out comprehensive analysis and provides preferred target units; the professional knowledge assessment, personal information and logical thinking ability of the interviewer are accurately compared with the recruitment needs of the target units; and a interview process is completed. With the network simulation interview method of the invention adopted, distances between interviewers and recruitment units are eliminated; comprehensive qualities of the interviews, such as psychological conditions, physiological conditions and talents can be analyzed, and therefore, the accuracy of interview results can be improved, cost can be saved for the recruitment units, and interview processes are flexible; graduates can be benefitted in diverging thinking and eliminating concerns in the aspects of time, distance and the like; more direct and effective employment information can be collected, and more autonomous employment choices can be provided for the interviewers; personalized counseling needs of the interviews can be satisfied; interview experience can be enriched; the success rate of interview can be improved; social employment pressure can be relieved on the whole; and a win-win situation between the recruitment units and the interviewers can be achieved.

The invention provides a broadband radar high-speed target accumulation detection method based on size RFT, which belongs to the technical field radars, effectively solves the problems of size effectand distance movement when a broadband radar detects high-speed targets through two-dimensional parameter search, and eliminates the size effect and distance movement effect when the broadband radar detects that a high-speed target occurs, so that the echo signal to noise ratio is increased, the phase-coherent accumulation of target energies can be realized under the condition of low signal to noise ratio, and further, the detection performance of the broadband radar to the high-speed target is improved. According to the method, all flows can be realized by utilizing fast Fourier transform, and engineer realization is facilitated.

The invention discloses a remote teaching experimental system and experimental method based on a network. The system comprises an application server, a database server and a central server which are successively connected, wherein the central server is communicated with a user through a zone network and communicated with an equipment server through the Ethernet network, and the equipment server is connected to a gyroscope experimental platform. The experimental method comprises the following steps: an administrator logs in a background management portion, a student registers and is reviewed by a teacher to become an official use, and enters a teaching system; the student entering the teaching system selects a theory learning portion; after the theory learning portion, the student enters a remote experimental portion; and the student enters an information exchange portion for question discussion. The system and method disclosed by the invention can solve the defect that an existing measurement and control circuit teaching system is incomplete, poor in real-time and short in control knowledge application, enhances the richness, practice and advancement of measurement and control circuit teaching, and is suitable for learning the measurement and control circuit and the automatic control theory.

The present invention discloses an intra-pulse double-frequency velocity dealiasing and distance fuzzy method and system. The system comprises an emission system and a receiving system, and also comprises a dual-way digital waveform generation module, a digital intermediate frequency reception module and a Doppler signal processing module. The dual-way digital waveform generation module generates two emission excitation signals with different frequencies, outputs the emission excitation signals to an emission system and emits the emission excitation signals to a space through an antenna, echo signals received by the antenna are processed through the receiving system to obtain intermediate frequency signals, the digital intermediate frequency reception module receives the intermediate frequency signals, echo signals with two frequencies which are respectively received and processed to zero intermediate frequency by two corresponding digital filters are generated according to the corresponding emission frequency difference, and the processed signals are output to the Doppler signal processing module, and the Doppler signal processing module performs corresponding ambiguity resolution processing so as to realize velocity dealiasing and distance fuzzy.

The invention provides a non-contact temperature measurement safety inspection device. The device comprises an infrared temperature measurement probe, a distance sensor, an environment temperature sensor, a signal processing module and a data processing module, wherein the infrared temperature measurement probe, the distance sensor and the environment temperature sensor are used for measuring theforehead temperature, the measurement distance and the environment temperature value. A body temperature calculation method adopting the non-contact temperature measurement safety inspection device comprises the steps that the forehead temperature, the measurement distance and the environment temperature value are measured, the environment temperature compensation value and the distance temperature compensation value are calculated, and the actual forehead temperature value is obtained by combining a body temperature calculation formula.

A heat dissipation fan includes a casing having a bottom wall and a side wall extending from the bottom wall and defining an open top of the casing. The side wall itself defines a side opening. A rotary fan assembly is housed in the casing and is rotatably supported on the bottom wall. The fan assembly includes fan blades that are spaced from the bottom wall of the casing whereby a gap is formed therebetween. Air is drawn into the casing by the fan blades via the open top of the casing and driven out of the casing through the side opening. A stuffing pad is arranged in the gap and positioned on the bottom wall to reduce the gap wherein air flowing to the back side of the fan blades is limited and turbulence induced thereby is alleviated. The stuffing pad is made of a soft material whereby damage may not occur on the fan blades when the fan blades impact the stuffing pad.

The invention discloses a long-distance guiding method for the paradrop of cargo by a transport plane, which comprises the following steps of: computing a distance difference and a time difference according to an original total flying distance and time and a desired total flying distance and time; firstly regulating the distance at each constant-speed stage to eliminate the time difference, updating a state initial value after regulating the distance at each constant-speed stage; then regulating the time at each constant-speed stage to eliminate the distance difference, and updating a state initial value after regulating the time at each constant-speed stage; ending the steps when achieving an regulating target; and when the time difference or the distance difference required to eliminateis over a critical range and the regulating target cannot be achieved, ending the method. The long-distance guiding method can adapt to a condition that the distance difference and the time difference are in coexistence so that the desired total flying time and the desired total flying distance can be achieved simultaneously.

The invention discloses an ISAR sparse imaging method of a V frequency modulation signal under a low signal-to-noise ratio condition. The method comprises the following steps: step one, carrying out pulse compression processing on a sparse V frequency modulation echo signal; and step two, carrying out improved weighted compressed sensing reconstruction to obtain a target image. The method has thefollowing beneficial effects: firstly, the detection distance and resolution are improved and the distance and speed ambiguity can be eliminated by the V frequency modulation signal, and the two-dimensional resolution capability can be enhanced; secondly, a V frequency modulation signal sparse echo model problem is solved, the target ISAR image can be reconstructed through small measurement data,and the requirement for multifunctional and multi-task application under modern radar resource scheduling can be better met; and thirdly, the target image can be accurately reconstructed through the improved weighted compressed sensing method under the condition of low signal-to-noise ratio, and the imaging capability under the conditions of noise and the like is enhanced.

This invention allows personnel located on two different structures, such as two ships, to continually monitor the separation distance between the two structures, with all of the necessary equipment being located on only one of the structures. This is accomplished using a laser range finder, or other range sensor, to continually measure separation distance and send it electronically to various displays. The displays are positioned and sized such that all involved personnel can view the continually updating separation distances. The invention incorporates displays large enough to be viewed ship-to-ship in direct sunlight, in addition to smaller displays. The displays are dimmable or backlit for night viewing and include a safety feature that turns them off when communication is lost with any range sensor. A strobe on the display helps personnel find where the display has been positioned, such as on a ships gunwale or hand railing.

An arrangement for shaping laser radiation with mutually spaced-apart parallel sub-beams in a first direction perpendicular to a propagation direction of laser radiation, including a first substrate with several reflective surfaces on which the sub-beams reflects, and a second substrate with several reflective surfaces and being offset relative to the first substrate, so that the sub-beams reflected by the reflective surfaces of the first substrate reflects by the reflective surfaces of the second substrate, wherein the reflective surfaces of the first substrate and the reflective surfaces of the second substrate are arranged and configured such that the sub-beams of the laser radiation to be shaped can be reflected in such a way that they have after the reflection on the reflective surfaces of the second substrate in the first direction a smaller spacing from one another than before the reflection on the reflective surfaces of the first substrate.

Aspects of the disclosure relate to a games controller for controlling electronic games, input device for a computer program and a trigger mechanism therefor. The trigger mechanism comprises a trigger body having a plurality of walls defining an internal chamber. The plurality of walls include a base wall and an orifice defined in the base wall. A detent is detachably mounted on the trigger body. The detent is at least partially received in the orifice and the detent is rotatable with respect to the trigger body. The detent comprises at least one abutment surface which is eccentrically arranged with respect to the rotational axis of the detent.