605 results about "Active measurement" patented technology

An electric energy monitor or meter for efficient measuring and recording electrical energy usage data relating to a particular appliance or circuit. One embodiment comprises a thin-profile monitoring device through which an electrical conductor, for example the normal line cord plug of an appliance or the output wire from a circuit breaker to the load, is inserted. A display may be provided to show the accumulated energy usage. In other embodiments a device of the invention can be installed in a light switch, appliance, plug, or receptacle. Data can also be transmitted by various means to a computing device such as a personal computer or the like. The device of the invention allows for interaction with Internet-based information dissemination or gathering, meter distribution by means of incentive or promotional give-away, and control of energy usage through connection to an energy management system.

The present invention relates to a wireless communication system, and more particularly, to a method and an apparatus for efficiently measuring a channel in a multi-carrier wireless communication system. According to one embodiment of the present invention, a method in which a downlink receiving entity provides downlink channel measurement information for establishing component carriers in a multi-carrier wireless system, comprise the following steps: receiving, from a downlink transmitting entity, information on one or more downlink component carriers for which channel measurement for establishing CCs is to be performed; performing downlink channel measurement for one or more DL CCs; and reporting the result of the downlink channel measurement to the downlink transmitting entity, wherein said one or more downlink component carriers for which channel measurement is to be performed may contain a component carrier which is not allocated to the downlink receiving entity.

An adaptive predistortion linearized amplifier system employing selective sampling is disclosed. Two selective sampling methods of identifying valid measurements using information from the input signal are disclosed. The selective sampling process improves the convergence properties of tuning algorithms based on minimizing the gain error variance. It also reduces the number of data samples processed by the estimator used in the tuning process.

A measurement system is provided. In that measurement system, an active measurement device and passive measurement devices can cooperate to perform flexible measurement. The measurement system comprises passive measurement devices, each of which receives packets flowing through a network and performs measurement according to a measurement rule; an active measurement device that sends a request for a measurement to a content providing server according to a measurement rule, and acquires information relating to contents as measurement objects based on a response to said request for a measurement; and an analysis device that derives characteristics relating to provision of the contents, by performing calculation according to an analysis rule, with said calculation using measurement results corresponding to the information acquired by said active measurement device among measurement results of said passive measurement devices.

A sterilization container for sterilizing at least one surgical instrument. The container includes at least one sensor for measuring an environmental characteristic of the container during the sterilization of the instrument. The measure of the environmental characteristic is supplied to a processor. The processor compares the measurement of the container environment to a validated measurement for the sterilization process. If the measured environmental characteristic is at least equal to the validated sterilization process measurement, the processor presents an indication that the surgical instruments was properly sterilized.

The invention discloses a trusted platform module and an active measurement method thereof, which relate to the field of information safety. The trusted platform module TPM is a root of trust of a trusted computing platform and a core module of trusted computing; the invention points out CRTM constitution of a root core of measurement in a TPM chip and a problem of establishing an information chain, proposes a new design proposal of the trusted platform module and the measurement method with an active mode based on the trusted platform module, designs the root of trust for measurement of the platform in the trusted platform module, solves the safety threat on the root of trust caused by tampering the BIOS and utilizes the module as the root of trust to establish a trust chain with the active mode. The invention names the module as a Trusted Platform Control Module TPCM and reflects the control function of the root of trust in the whole platform.

An electric energy monitor or meter for efficient measuring and recording electrical energy usage data relating to a particular appliance or circuit. One embodiment comprises a thin-profile monitoring device through which an electrical conductor, for example the normal line cord plug of an appliance or the output wire from a circuit breaker to the load, is inserted. A display may be provided to show the accumulated energy usage. In other embodiments a device of the invention can be installed in a light switch, appliance, plug, or receptacle. Data can also be transmitted by various means to a computing device such as a personal computer or the like. The device of the invention allows for interaction with Internet-based information dissemination or gathering, meter distribution by means of incentive or promotional give-away, and control of energy usage through connection to an energy management system.

A cell reselection method and system using an active measurement set in a mobile communication, which determines whether the user equipment enters in a power-saving mode based on the signal strength and strength variability of a serving cell and the mobile feature of a user equipment. In the power-saving mode, in accordance with the signal strength of neighboring cells on the serving cell, an active measurement set is formed with cells that are selected from the neighboring cells broadcasted by a WCDMA system and have stronger signals. The user equipment only requires measuring the cells in the active measurement set. Thus, since the cell number of the active measurement set is smaller than that defined by the WCDMA system, the number of neighboring cells required to be measured is reduced, so as to reduce the power dissipation and increase the idle time on the user equipment.

Methods and apparatuses for performing biometric determinations using optical spectroscopy of tissue. The biometric determinations that are disclosed include determination or verifications of identity, estimation of age, estimation of sex, determination of sample liveness and sample authenticity. The apparatuses disclosed are based upon discrete light sources such as light emitting diodes, laser diodes, vertical cavity surface emitting lasers, and broadband sources with multiple narrow-band optical filters. The multiple light sources are encoded in a manner that the tissue response for each source can be efficiently measured. The light sources are spaced at multiple distances from a detector to contribute differing information to the biometric determination task as do light sources with different wavelength characteristics. Apparatuses are disclosed that incorporate a spectral biometric sensor with a personal electronic device such as cellular telephones, personal digital assistants, wristwatches, electronic fobs for the purpose of providing secure biometric access to protected property.

The invention discloses a fault diagnosis device and method of sensor acquisition modules and a signal acquisition system of sensors. The sensor fault diagnosis device comprises a first sensor acquisition module, a second sensor acquisition module and a difference value comparing module, wherein the first sensor acquisition module is used for acquiring and outputting a first parameter signal through a first sensor, the second sensor acquisition module is used for acquiring and outputting a second parameter signal through a second sensor, the difference value comparing module is used for calculating the absolute value of the difference between the first parameter signal and the second parameter signal, and comparing the absolute value of the difference with a preset threshold value, and when the absolute value of the difference is larger than the preset threshold value, at least one of the first sensor acquisition module and the second sensor acquisition module is judged to break down. When the values of the signals acquired by the sensors largely deviate from an actual value but are in the acquired effective measurement range, the sensor fault diagnosis device and method can accurately judge whether the sensor acquisition modules break down, and improves the accuracy of fault diagnosis.

The invention relates to a multisensor-based three-dimensional outline measuring device and a measuring method thereof. The measuring device comprises a base plate, a vertical movement platform, a working table surface and light measurement sensor assemblies. The working table surface is provided with four or more than four light measurement sensor assemblies which are evenly distributed around a measuring hole; each light measurement sensor assembly comprises a laser, a camera and a camera mount; the lower end of each camera mount is buckled on an assembly guide way which is fixed on the working table surface; the cameras are arranged on the camera mounts; and the lasers are fixed on the working table surface. The invention utilizes the light measurement sensor assemblies to improve the measurement speed and provides an effective technical measure for the batch detection of industrial site components; and the invention adjusts field coverage and amplification ratio according to the surface shape of a tested component and is adapted to the measurement of a complex curve surface of a blade or a conical gear, and the like, which cannot be effectively measured by using conventional methods.

The invention discloses a multi-function sensor and a heat current and temperature measuring method under high temperature, wherein the multi-function sensor comprises a shell and a heat current measuring head, the heat current measuring head is arranged on the shell and comprises a heat current probe and a heat sink, the heat sink and the heat current probe are connected and holded in the shell to form a thermoelectric couple with the heat current probe, a cooling device used for cooling the heat current measuring head and another thermoelectric couple used for measuring the temperature of the heat sink are also arranged in the shell, the two thermoelectric couples are connected with a surveymeter, and the detection of heat current and temperature is realized by measuring the voltage signal of the two thermoelectric couples. In the measuring method disclosed by the invention, a mathematical model is built to derive and obtain high temperature to be measured by measuring low temperature. The multi-function sensor of the invention can measure heat current and temperature in high temperature environment, overcomes the problem that temperature can not be measured under high temperature environment when the original thermoelectric couple is more than 2000K; not only can the heat current be measured, but also the thermoelectric couple can be ensured to work under high temperature environment, thus the temperature is effectively measured.

The invention discloses a method for predicting the remaining service life of complex equipment based on a combined depth neural network. The main steps are as follows: acquiring multi-sensor data ofcomplex equipment; Obtaining effective measurement data by feature selection; obtaining A plurality of slice samples by preprocessing; Establishing the neural network regression model which combines the attention mechanism and depth neural network; The slice samples and their corresponding labels are inputted into the neural network regression model to train the neural network regression model offline. inputting The slice samples of multi-sensor data to be predicted into the trained neural network regression model, and the remaining service life of complex equipment is obtained. Considering the data characteristics of the multi-sensor signal, the invention fully excavates the local characteristics and the time sequence information in the data, has high prediction accuracy and wide applicability, and can be widely applied to various pieces of complex equipment.

The invention discloses a trusted computing platform of a computing and protection parallel double-system structure. wherein the trusted computing platform comprises a computing subsystem and a protection subsystem which are parallel, the computing subsystem is used for completing a computing task, and the protection subsystem is used for carrying out active measurement and active control on the computing subsystem according to a trusted strategy through a trusted platform control module; And the protection subsystem is specifically used for respectively carrying out static measurement and dynamic measurement on the computing subsystem through the trusted software base. According to the trusted computing platform provided by the invention, active safety protection is realized while computing is realized through the computing subsystem and the protection subsystem which are parallel to each other. In addition to establishing a static trust chain which takes a trusted platform control module as a trust root for step-by-step measurement, a dynamic measurement mechanism based on a security trusted strategy is also designed, and active defense on the whole computer system in the starting and operating processes of the computer is realized.

The invention discloses a programmable control SDN measuring system and a processing method. According to the programmable control SDN measuring system, on the basis of a network controller of a network control layer and a bottom-layer switch of a data transmission layer, two components are additionally arranged on a network application layer, the two components comprise a programmable control measuring component in charge of centralized management of measuring tasks and an adaptive module used for supporting the measuring component, and the bottom-layer switch is improved to be a programmable control switch in charge of specific execution of the measuring tasks. In this way, the programmable control measuring component and the programmable control switch form a control loop for network measurement. The programmable control SDN measuring system is simple in structure, easy to obtain and flexible in configuration and has powerful functions, a programmable control measuring system and method can be provided according to various network measurement algorithms and different measuring tasks, and the characteristics that an SDN can be defined by software, control and forwarding are separated from each other and an active measurement mode is adopted are brought into full play. The programmable control SDN measuring system and the processing method have good popularization and application prospect.

An active measurement and control system for a material cutting apparatus. The apparatus comprises a cutting tool which may be pivoted for cutting a workpiece in a cutting area at a selectable angle. The cutting area defines a datum plane, and a feed table with a shuttle vise is used to move the workpiece toward the cutting area. A controller controls the feed distance of the shuttle vise and the cutting angle of the tool in response to a signal from a sensor used for sensing a transverse dimension of the workpiece relative to the datum plane. In this way, the feed distance and cutting angle are adjusted to compensate for variations in the transverse dimension. This transverse dimension can include a displacement from the datum plane of a distal and / or proximate surface of the workpiece. A method of cutting a workpiece is also disclosed.

The invention discloses a dynamic measurement method based on a trusted computing platform with a double-system structure. The trusted computing platform comprises a computing subsystem and a protection subsystem which are parallel. The computing subsystem is used for completing a computing task, and the protection subsystem is used for carrying out active measurement and active control on the computing subsystem according to a trusted strategy through a trusted platform control module. The dynamic measurement method comprises the steps that in the operation process of a computing subsystem, when the triggering condition of dynamic measurement is met. A protection subsystem conducts dynamic measurement on the computing subsystem through a control layer in a credible software base accordingto a credible strategy and obtained related information executed by an application in the computing subsystem. The dynamic measurement method provided by the invention is based on a trusted computingplatform with a dual-system structure, and utilizes the dynamic measurement method to dynamically measure the related information executed by the application in the operation process of the computingsubsystem, so that the whole process of the computing subsystem is measurable and controllable, and the safety performance of the computing subsystem is improved.

The invention discloses a 2 mu m all-fiber coherent laser Doppler wind finding radar system, which consists of a 2 mu m off-axis Cassegrain optical antenna system, a 2 mu m laser beam splitting system, a 2 mu m seed implantation laser amplifier, a 2 mu m monitoring detector system, and a 2 mu m balanced heterodyne detection system. The system overcomes the defect of ambient interference existing in a free space optical path, overcomes the influence of shot noise on heterodyne reception signal-to-noise ratio, and solves the problems of all fiber and miniaturization of the 2 mu m all-fiber coherent laser Doppler wind finding radar system, so that the 2 mu m all-fiber coherent laser Doppler wind finding radar system has a more compact structure. In addition, the system has the characteristics of safe laser for human eye, optical path connection by adopting flexible optical fiber devices, high operability and stability, low cost, good real time, long effectively measured distance, high measurement accuracy (speed measurement and distance measurement) and the like, and has high practical value in the field of coherent laser Doppler wind finding radar.

An adaptive predistortion linearized amplifier system employing selective sampling is disclosed. Two selective sampling methods of identifying valid measurements using information from the input signal are disclosed. The selective sampling process improves the convergence properties of tuning algorithms based on minimizing the gain error variance. It also reduces the number of data samples processed by the estimator used in the tuning process.

The invention discloses an engine fault prediction method. The method comprises the following steps that effective measurement data of a plurality of sensors of an engine are obtained; the effective measurement data are subjected to normalization processing; the effective measurement data obtained after normalization processing are sliced, and a plurality of slice samples are formed; the multiple slice samples are sent into a deep nerve network to be subjected to feature extraction, and after feature extraction, the slice samples are connected to a fully-connected network; and according to output of the fully-connected network, classification is conducted through a softmax classifier, and the left service life of the engine is determined. According to the provided engine fault prediction method, the process is small, operation is easy, and the engine fault prediction method can be widely applied to various engines of aircraft.

The invention relates to processing of physiological signal data in patient monitoring. In order to alleviate the problems caused by suppression waveforms in the analysis of physiological signal data, measurement data is derived from a segment of the time series of physiological signal data and valid measurement data is collected from the derived measurement data, thereby to form a set of valid measurement data. The collecting includes selecting measurement data that fulfills at least one predetermined threshold condition. Furthermore, at least a portion of the set of valid measurement data is supplied to a further processing stage when the amount of collected measurement data in the set is at least at a predetermined level. The deriving and collecting may be repeated for consecutive segments of the time series, in which case the supplying is performed for at least some of the consecutive segments of the time series.

The present invention comprises a method and an arrangement for priority handling between a measurement gap procedure and an uplink data transmission procedure in an evolved UTRAN. The user equipment (UE) detects an active measurement gap. When the UE receives data into the transmission buffer the received data triggers an uplink data transmission procedure such as a scheduling request procedure or a random access procedure. An evaluation on characteristics information associated with the received data is performed and based on the performed evaluation the UE proceeds with the uplink data transmission procedure or the measurement gap procedure. In case the characteristics information associated with the received data is of high priority, the UE proceeds with the uplink data transmission procedure and cancels the measurement gap procedure. However, if the characteristics information associated with the received data is of low priority, it proceeds with the measurement gap procedure and postpones the uplink data transmission procedure to a later occasion.

The invention relates to a brake property check method of disc damper brake, and a relative device, wherein the back end of a disc spring of the disc damper brake is arranged with a sensor which signal is output via a lead wire. When the damper brake works, the pressure on the disc spring via the sensor can directly be used to measure the positive pressure on the disc damper brake. A support of the disc damper brake along the axle of the damper brake is arranged with a touch Hall displacement sensor which measuring rod is contacted with the side end of a block base to effectively measure the displacement of brake space. The invention uses a data pickup and process system to measure the idle time and brake decelerate value of the damper brake. The inventive method can confirm the reliability of damper brake in use, with high measurement accuracy, strong interference resistance, small volume, and long service life, more particularly to be used for checking the brake property of disc damper brake. The inventive method has simple and easy operation, high check accuracy, simple structure, easy installment, easy maintenance, and wide application.

An apparatus and method for estimating and reporting a Carrier to Interference Noise Ratio (CINR) in a wireless communication system are provided. The wireless communication system receives the CINR reported from the mobile station and transmits data by adaptively setting a coding and modulation level. In a mobile station, a Radio Frequency (RF) processor provided with at least two antennas processes antenna-by-antenna radio signals and converts the radio signals to baseband signals. Switches output or intercept the antenna-by-antenna signals received from the RF processor. An effective CINR measurer measures diversity parameters including a CINR value from the signals output by the switches and outputs the measured diversity parameters. A controller controls an operation for turning on / off the switches on a basis of the diversity parameters received from the effective CINR measurer and generates a report message using the diversity parameters. A transmitter transmits the report message to a base station.

The invention relates to a detection device and the method for the thermoelectric electric power generation performance. The detection device is made up of the thermal resource, the cooling end, the DC, the standard load resistance, the multicenter data collector, the computer ,the thermocouple and the vacuum pump. The method is to install the two thermoelectric power generation devices between the thermal resource and the cooling end at the same time, the output of which is connected with the standard load resistance, so it can get the output power by changing the standard load resistance which contrasts to the input power to get the energy conversion efficiency. The invention can avoid the heat loss of the input measurement system by using the double detection symmetrical thermal resource, comparing to the present method, the device has the simple structure and high efficiency, and also it can detect the energy conversion efficiency directly.

The invention discloses a non-contact wheel set dimension online detection method and device based on various sensors. The device comprises the two laser displacement sensors symmetrically arranged on the inner side and the outer side of a track, and the two eddy current displacement sensors arranged on the inner side of the tract. The method comprises the steps that the two laser displacement sensors detect and obtain tread contour lines, and the rim height and the rim thickness are calculated through the extracted tread contour lines according to the geometric relation; the two eddy current displacement sensors are used for detecting the distances to the vertexes of the rims in the vertical direction, measurement data of the three sensors on the inner side of the track are extracted at the moment when wheels pass through the effective measurement range of the eddy current displacement sensors and the laser displacement sensors on the inner side of the rack simultaneously, the diameters of the vertex circles of the rims are calculated according to the measurement data and the geometric relation, and then the diameters of the wheels are calculated according to the wheel rim height. The non-contact wheel set dimension online detection method and device based on various sensors have the advantages that the measurement principle is simple and practical, cost is low, and precision is high; non-contact and real-time measurement can be achieved.

An infrared and visible light sequence image character level amalgamation method based object detecting belongs to image amalgamation technology field. It uses area growth method to divide up each frame fountain image and automatically get background area and object area according to effective detecting method and takes dual-tree complex wavelet transform method to the fountain image list. After the transform, apply different amalgamation rules for object and background area to realize the list image amalgamation with character level. After get the wavelet amalgamation coefficient of different area, use dual-tree complex wavelet inverse transform to get amalgamation list image. It uses different amalgamation rules to keep interesting goal information as more as possible. The amalgamation list image owns good inflexibility, stability of time and coherence, and high calculating efficiency for using the application with dual-tree complex wavelet transform.

This invention discloses a quality evaluation of TD-SCDMA system assistant carrier frequency signals and the carrier frequency selection method. The network side emits reference channels on each auxiliary carrier frequency and broadcasts its frequency, the reference power of the reference channel and test control information containing test quantity as the assistant carrier frequency reference channel received signal code power, the mobile terminal starts the test process according to the system broadcast information or the test control order of the network side to test the received signal code power of the assistant carrier reference channel and reports the test result to the network side, which selects suitable carrier and allocates special resources for the mobile terminal.

Methods and apparatuses for performing biometric determinations using optical spectroscopy of tissue. The biometric determinations that are disclosed include determination or verifications of identity, estimation of age, estimation of sex, determination of sample liveness and sample authenticity. The apparatuses disclosed are based upon discrete light sources such as light emitting diodes, laser diodes, vertical cavity surface emitting lasers, and broadband sources with multiple narrow-band optical filters. The multiple light sources are encoded in a manner that the tissue response for each source can be efficiently measured. The light sources are spaced at multiple distances from a detector to contribute differing information to the biometric determination task as do light sources with different wavelength characteristics. Apparatuses are disclosed that incorporate a spectral biometric sensor with a personal electronic device such as cellular telephones, personal digital assistants, wristwatches, electronic fobs for the purpose of providing secure biometric access to protected property.

The invention relates to a road-section average travel time measuring method suitable for low-frequency sampling, which comprises the following steps: (1) sampling taxi GPS data at low frequency to obtain the estimated time of each vehicle at the crossroads; (2) according to the geographical position information at each crossroad and the estimated time of each vehicle at the crossroads, obtaining the vehicle travel time of a certain road section as a sample *i; and (3) calculating the average travel time according to the following reference formula (8), wherein in the clustering center, tf stands for quick type, tm stands for medium type, and tl stands for slow type. The road-section average travel time measuring method suitable for low-frequency sampling can effectively measure the average travel time of the road section and meet the requirements for traffic real-time performance and accuracy.