41 results about "Absolute threshold" patented technology

Embodiments are directed towards ranking candidate pieces of content for publication based on a weighted combination of an “activity score” and a “trending score”. In one embodiment, the activity score measures social activity related to the content, such as how much the content has been shared, viewed, or commented on. In one embodiment, the trending score indicates a measure of trending topics contained in the content. In one embodiment, trending topics are keywords derived from an analysis of social activities across the internet, such as blog posts, wall posts, tweets, comments, ratings, tags, videos, pictures, and the like. In one embodiment, a topic is trending if it surpasses a minimum absolute threshold of social activity as well as a percentage increase in social activity.

The invention discloses a method for detecting a random access leader. After a random access channel (RACH) signal is treated with the simplified time domain-related operation, noise mean estimation is carried out to each root sequence; an absolute threshold is then detected according to a signal obtained by the noise estimation and signals in a search window are detected; the signals which exceed the detection threshold are screened and then a timing position can be determined in a fast and accurate way so as to provide reliable uplink timing adjustment information to a mobile terminal, guarantee the accuracy of the uplink synchronization and effectively eliminate the timing error due to the over-sampling and reduce the false alarm in the detection.

An apparatus includes a report configuration controller configured to command reporting an event defined by receipt of a plurality of signals of different senders, wherein the signals are received at a same location, the signals are received with a strength above an absolute threshold, and a difference of the strengths is within a relative threshold. Another apparatus includes an aggregator configured to aggregate information reflecting an event defined by receipt of a plurality of signals of different senders, wherein the signals are received at a same location, the signals are received with a strength above an absolute threshold, and a difference of the strengths is within a relative threshold; and an aggregated information provider configured to provide the aggregated information.

A utility diagnosing equipment can recognize an abnormality or a normality in a plurality of utilities of an identical type, which would not be recognized when an absolute threshold is set. The equipment accepts state values from the plurality of utilities, sets an average value of the state values of each utility to a proxy value, finds a relative value between the state value of each utility and the proxy value thereof, and displays the relative value for each utility. The relative values of the utilities exceeding a predetermined threshold is highlighted.

The invention provides a cell reselection method between networks of different systems, comprising the following steps of measuring a first network cell signal intensity and a second network cell signal intensity by using user equipment residing on a first network cell; reselecting the user equipment to a second network cell after Srxlev (Srxlevel) of the first network cell is less than an absolute threshold of the first network cell Qrxlevmeas of the second network cell is more than an absolute threshold of the second network cell and a reselection delay time duration is sustained; and finitely selecting a cell with the best signal intensity for reselection while multiple cells in the second network satisfy the condition. According to the method, the absolute threshold is introduced, therefore, the UE can residue on a certain network, as long as when a resident network receiving signal is less than a certain tolerance value, the UE can be reselected to another network without influencing the residing on the current network due to the signal intensity of the another network, the standby time of a UE terminal is effectively prolonged, and business service continuity is increased.

The invention discloses an optical path protecting device which comprises a channel signal quality monitoring unit used for monitoring the channel signal quality of a working channel and a protecting channel, a switching judging unit used for judging if to switch the working channel and the protecting channel according to the channel signal quality of the working channel and the protecting channel as well as a first absolute threshold, a second absolute threshold and a relative threshold, and a switching unit used for switching the working channel and the protecting channel according to the judgment result of the switching judging unit. The invention also discloses an optical path protecting method. The invention judges if to implement the method for switching the working channel and the protecting channel and controls the switching of the working channel and the protecting channel by comparing the channel signal quality of the working channel and the protecting channel with the preset first absolute threshold, the second absolute threshold and the relative threshold, thereby inhibiting the false switching of the working channel and the protecting channel, and improving the stability of a transmission system.

A method for performing measurement on neighboring cells in a mobile communication system is provided. The method measurement method includes generating raw measurement result values by performing measurement on received signals from neighboring cells; receiving measurement-related parameters to be applied to raw measurement result values of first neighboring cells, from the first neighboring cells having raw measurement result values exceeding an absolute threshold signaled from a base station as a result of the measurement, among the neighboring cells; generating final measurement result values by applying the measurement-related parameters to the raw measurement result values of the first neighboring cells; and performing cell selection or cell reselection to one of the first neighboring cells according to the final measurement result values, or transmitting a measurement report to a base station of a serving cell.

The invention provides a liquid level detection device, a liquid level detection method and a detection module. The liquid level detection device comprises a probe and a motion control module. The method includes collecting a parameter value between the probe and a reference surface; determining whether or not the parameter value reaches an absolute threshold value; seeding a first signal to respond when the parameter value reaches the absolute threshold value, wherein the first signal indicates the motion control module to control the probe to stop motion or slow down; determining whether or not a parameter value collected when the probe stops motion or slows down reaches the absolute threshold value; sending a second signal to respond when the parameter value reaches the absolute threshold value, wherein the second signal indicates the motion control module to control the probe to complete detection motion. The liquid level detection device, the liquid level detection method and the detection module have the advantages that digital signal noise can be filtered out without influences on detection sensitivity, and accuracy in liquid level detection is improved.

During the system running stage, this method calculates at real time the absolute threshold of the super strong path (SSP), reads the relative threshold of the system design stage, judges the SSP. If the multipath energy is greater than the absolute energy threshold and the ratio of multipath recent energy to historical energy is greater than the ratio threshold n, and if the multipath energy is greater than the energy of the adjacent path by 1 / 2 code bit, then judges it as a SSP and adopts a new SSP filter coefficient to realize the IIR filter against SSP. According to the power delay function after filtering, this method calculates the multipath threshold, makes multipath selection and completes the multipath management post-processing. Comparing with the recent technique, the multipath testing method introduces a SSP multipath test method against the multipath searching progress. The method improves feature of demodulation and the method is proved in practical system testing.

The invention discloses an anti-transfer deceptive jamming method based on a Relax algorithm and relates to an anti-transfer deceptive jamming method. In order to solve the problems that a true signal is possibly refused because an accurate result cannot be resolved when polymerized jamming and distributed jamming coexist, anti-jamming resolution is carried out by virtue of an RAIM resolving remnant and jamming occupies a main body, and a multi-antenna technology mainly aims at a single jamming source, so that only the maximum jamming can be detected and inhibited when a plurality of jamming sources are provided, the invention provides the anti-transfer deceptive jamming method based on the Relax algorithm. The method is realized through the following steps of 1, obtaining N GPS signals; 2, calculating the thresholds VT and absolute thresholds Vab of the GPS signals; 3, calculating the amplitude observed values and average power observed values of the GPS signals; 4, carrying out jamming detection; and 5, obtaining non-jamming signals. The anti-transfer deceptive jamming method is applied to the field of anti-transfer deceptive jamming.

The invention provides methods and systems for real-time monitoring of the insulation state of wind-powered generator windings comprising the following steps: a) capturing in real-time, during a predetermined time period (in situations where the generator is synchronized to the electrical network but is not yet couplet thereto as well as in situations where the generator is producing energy) the values of one or more electrical and vibration variables of the generator; b) obtaining in real-time, the temporal evolution of the vibration and of the inverse components of electrical variables at one or more predetermined frequencies; c) identifying a possible generator insulation fault when the inverse component of at least one electrical variable and / or one vibration at a predetermined frequency exceeds an absolute threshold or a temporal increase threshold pre-sets.

The invention discloses a bandwidth judgment and symbol synchronization method and device. The method comprises the following steps: A1, determining an end position of a frame field L-STF in a received signal; A2, performing cross-correlation operations on sub-channel sampled signal sequences after the end position of the frame field L-STF and LTF data sequences stored at a receiving end in sequence to obtain a cross-correlation operation value sequence; and A3, performing smoothing energy estimation on the cross-correlation operation value sequence to obtain a smoothing energy estimation value sequence, and determining a symbol synchronization position and a current bandwidth value according to the smoothing energy estimation value sequence. Through adoption of the bandwidth judgment and symbol synchronization method and device, the complexity of a digital circuit architecture design is lowered; real-time performance is realized since the calculated amount is relatively small; use of a mode of an absolute threshold decision peak value is avoided; and relatively high multipath channel resistance and interference resistance are achieved.

The invention provides a data processing method and module. The data processing method includes: acquiring first data, and determining a first absolute reference value according to the first data; determining a current absolute reference value at least based on the first absolute reference value; determining an absolute threshold value based on the current absolute reference value and absolute variation, wherein the absolute threshold value is used for judging whether a probe contacts with the surface of liquid or not. According to the data processing method and module, a liquid level detection device can self-adaptively set the absolute threshold value for judging whether the probe contacts with the surface of the liquid or not each time when the liquid level is detected, so that improving of sensitivity and accuracy of liquid level detection is facilitated.

The invention provides a cell switching control method. An RNC (radio network controller) distributes a first cofrequency event report threshold and / or a second cofrequency event report threshold. UE (user equipment) sends a first measurement report message to the RNC according to RSCP of a cofrequency adjacent cell of a present cell, the first cofrequency event report threshold and a first cofrequency event retardation parameter. The UE sends a second measurement report message to the RNC according to the RSCP of the cofrequency adjacent cell of the present cell, the second cofrequency event report threshold and a second cofrequency event retardation parameter. The RNC controls switching between cells according to the first measurement report message and / or the second measurement report message. The invention also provides the UE and the RNC. By employing the cell switching control method, the UE and the RNC provided by the invention, only when the communication quality of the cofrequency adjacent cell of the present cell is higher than an absolute threshold, reporting is triggered, that the communication quality of a switched cell is in accordance with a communication requirement is ensured, and cell switching success rate is raised.

A method for performing handover measurement may comprise steps of calculating received signal code powers (RSCPs) of a serving cell and a target cell; determining if the RSCPs meet a trigger criteria; and comparing the RSCP of the serving cell with an absolute threshold. By comparing the RSCP of the serving cell with the absolute threshold, the UE may evaluate the communication quality with the current serving cell, making it possible to report to the RNC when the communication condition degrades rapidly without waiting for a fixed period as in the prior art.

The invention discloses an invalid data eliminating method for a laser altimeter. The method comprises the following steps of: setting an absolute threshold, a relative threshold and a default value of data validity; reading a data packet of the laser altimeter, performing data correction by applying calibration data and storing the corrected data into a data group Mm; eliminating the invalid data which exceed the absolute threshold from the data group Mm; if valid data do not exist, using the default value; if the valid data exist, obtaining a k metadata group Mk; judging a k value, and outputting different results; and setting an initial state of a stack tail of a data stack Nn to be a system default value. The invention provides the invalid data eliminating method for the laser altimeter. By the method, the data validity can be improved greatly; the invalid data can be eliminated thoroughly; and the automatic processing degree is high.

The invention provides a cable partial discharge concentration point detection method and system. The cable partial discharge concentration point detection method comprises the following steps: dividing a cable to be detected into a plurality of statistical intervals; if the quantity of partial discharge points in the statistical intervals is no less than a pre-set relative threshold value of the quantity of the discharge points, counting up the quantity of the partial discharge points with the partial discharge amount, which is greater than a relative threshold value of a pre-set discharge amount, in the statistical intervals; when the quantity of the partial discharge points with the partial discharge amount, which is greater than the relative threshold value of the pre-set discharge amount, is more than an absolute threshold value of the pre-set quantity of the discharge points, judging partial discharge concentration points in the statistical intervals and acquiring that the positions of the partial discharge concentration points are gravity centers of the positions of the partial discharge points with the partial discharge amount, which is greater than the relative threshold value of the pre-set discharge amount; otherwise, judging that the statistical intervals have no partial discharge concentration points. The cable partial discharge concentration point detection method and system can be used for automatically and accurately judging and positioning the positions of the partial discharge concentration points on the cable to be detected and the accuracy problem of the detection of the partial discharge concentration points can be effectively solved.

The invention provides a self-adaption uplink enhancement method and a wireless network controller. A different frequency periodic measurement report which is reported by user equipment (UE) is obtained; a P-CCPCH RSCP difference value of a local region and a strongest adjacent region is calculated according to the different frequency periodic measurement report; when a current speed of a packet switch (PS) service is a normal speed and reported sending power exceeds an absolute threshold report incident, and if the P-CCPCH RSCP difference value of the local region and the strongest adjacent region is greater than a matched difference valve threshold, the speed of the PS service ascends to an adaptive uplink enhancement (AUE) speed which corresponds to the current speed. When the current speed of the PS service is the AUE speed, and if the P-CCPCH RSCP difference value of the local region and the strongest adjacent region is less than the matched difference valve threshold, the speed of the PS service descends to the normal speed which corresponds to the current speed. Through the self-adaption uplink enhancement method and the wireless network controller, a key performance indicator (KPI) of a communication network can be improved.

The invention discloses a radiation safety interlock system device for on-line monitoring of an electron energy threshold in an electron linear accelerator. The device comprises a microwave acquisition system, a microwave amplitude-phase monitoring system, a quick comparison circuit and a microwave source control system. According to the device, the electron energy threshold in the electron accelerator can be monitored online in real time and fed back in real time, when the electron energy exceeds a certain threshold, the accelerator system is subjected to radiation safety interlock, so that an effect of radiation safety protection is achieved. The device has the advantages of absolute threshold control, real-time online monitoring, no influence on accelerator operation, and fast system reaction time up to 100 ns.

The invention discloses an invalid data eliminating method for a laser altimeter. The method comprises the following steps of: setting an absolute threshold, a relative threshold and a default value of data validity; reading a data packet of the laser altimeter, performing data correction by applying calibration data and storing the corrected data into a data group Mm; eliminating the invalid data which exceed the absolute threshold from the data group Mm; if valid data do not exist, using the default value; if the valid data exist, obtaining a k metadata group Mk; judging a k value, and outputting different results; and setting an initial state of a stack tail of a data stack Nn to be a system default value. The invention provides the invalid data eliminating method for the laser altimeter. By the method, the data validity can be improved greatly; the invalid data can be eliminated thoroughly; and the automatic processing degree is high.

The invention provides methods and systems for real-time monitoring of the insulation state of wind-powered generator windings comprising the following steps: a) capturing in real-time, during a predetermined time period (in situations where the generator is synchronized to the electrical network but is not yet couplet thereto as well as in situations where the generator is producing energy) the values of one or more electrical and vibration variables of the generator; b) obtaining in real-time, the temporal evolution of the vibration and of the inverse components of electrical variables at one or more predetermined frequencies; c) identifying a possible generator insulation fault when the inverse component of at least one electrical variable and / or one vibration at a predetermined frequency exceeds an absolute threshold or a temporal increase threshold pre-sets.

The invention discloses an equipment alarm level obtaining method and calculating equipment; the method comprises the following steps: obtaining characteristic indexes with the index amplitude exceeding an absolute threshold from all equipment characteristic indexes, thus forming a first index set; aiming at each characteristic index in the first index set, and determining the first alarm level ofeach characteristic index according to the index type of the characteristic index; obtaining characteristic indexes with the index amplitude exceeding a corresponding real time threshold from all equipment characteristic indexes, thus forming a second index set; aiming at each characteristic index in the second index set, if the characteristic index type is a super index and the index amplitude does not exceed the absolute threshold, determining the characteristic index over-limit type so as to determine the corresponding second alarm level; determining the characteristic index correspondingthird alarm level according to the trend form of each characteristic index in the second index set; determining the equipment alarm level according to each first alarm level, second alarm level and third alarm level.

The invention discloses a power utilization safety early-warning method for an intelligent distribution box. The method comprises the steps of step 1, collecting a real-time current value I on the incoming line of the distribution box, and calculating a current effective value Ia; step 2, acquiring a real-time voltage value U on an incoming line of the distribution box, and calculating a voltage effective value Ua; step 3, setting an absolute threshold value of the real-time current value I, an absolute threshold value of the real-time voltage value U, an effective threshold value of the current effective value Ia and an effective threshold value of the voltage effective value Ua; step 4, carrying out overcurrent protection early-warning on the real-time current value I and the current effective value Ia, carrying out overcurrent protection when the real-time current value I or the current effective value Ia exceeds a corresponding threshold value, cutting off a power supply, and sending out early-warning; and step 5, performing bidirectional over-limit protection early-warning on the electric signal on the line. The technical problem that line fault early-warning is not in time issolved.

The invention provides a fixed time acquiring method under a continuous system multipath channel. The method comprises steps of acquiring a main peak through maximum likelihood searching; and acquiring a first arrival diameter through generalized likelihood ratio and peak detection. According to the fixed time acquiring method under the continuous system multipath channel, the maximum likelihood searching and the generalized likelihood ratio and peak detection are adopted at the same time to avoid using an absolute threshold, so that the robustness of a search algorithm is obviously improved, and the system can work in occasions with larger signal to noise ratio dynamic range.

The invention discloses a bandwidth judgment and symbol synchronization method and device. The method comprises the following steps: A1, determining an end position of a frame field L-STF in a received signal; A2, performing cross-correlation operations on sub-channel sampled signal sequences after the end position of the frame field L-STF and LTF data sequences stored at a receiving end in sequence to obtain a cross-correlation operation value sequence; and A3, performing smoothing energy estimation on the cross-correlation operation value sequence to obtain a smoothing energy estimation value sequence, and determining a symbol synchronization position and a current bandwidth value according to the smoothing energy estimation value sequence. Through adoption of the bandwidth judgment and symbol synchronization method and device, the complexity of a digital circuit architecture design is lowered; real-time performance is realized since the calculated amount is relatively small; use of a mode of an absolute threshold decision peak value is avoided; and relatively high multipath channel resistance and interference resistance are achieved.

An apparatus includes a report configuration controller configured to command reporting an event defined by receipt of a plurality of signals of different senders, wherein the signals are received at a same location, the signals are received with a strength above an absolute threshold, and a difference of the strengths is within a relative threshold. Another apparatus includes an aggregator configured to aggregate information reflecting an event defined by receipt of a plurality of signals of different senders, wherein the signals are received at a same location, the signals are received with a strength above an absolute threshold, and a difference of the strengths is within a relative threshold; and an aggregated information provider configured to provide the aggregated information.