33results about How to "Reduce measurement frequency" patented technology

A control method of searching for a neighboring cell of a mobile station communicating with a base station is provided in a direct sequence CDMA mobile communication system which transmits information by carrying out double modulation using a first spreading code group and a second spreading code. The first spreading code group includes spreading codes that have a same repetition period as an information symbol period and are used in common by the base stations, and the second spreading code has a repetition period longer than the information symbol period. The base stations are assigned different second spreading codes. The control method stores at least one second spreading code and its phase into a first table, which second spreading code corresponds to a perch channel whose second spreading code and phase are known; stores a second spreading code used by a neighboring base station into a second table; searches for a perch channel whose second spreading code and phase are unknown; and searches for a perch channel whose second spreading code and phase are known. The neighboring cell search method can save the power consumption and time required for the mobile station to carry out the cell search with preventing an increase in the total cost of the system.

Disclosed is a technique for localizing a sound source. In the technique, a sound pressure signal measured by microphones is acquired using a spherical microphone array sensor where the microphones are fixedly arranged on a surface of a spherical body. A sound pressure distribution on the surface of the spherical body is obtained by a controller from a sound pressure calculation formula for calculating a sound pressure at a certain location of a spherical surface using the sound pressure signal measured by the microphones as an input value. A location of the sound source is estimated from the obtained sound pressure distribution.

The invention provides a communication measurement method and apparatus, a mobile terminal and a storage medium, for solving the problem of relatively high power consumption when the mobile terminal performs measurement scheduling on a cell in related art. The method is applied to the mobile terminal, and after accessing a serving cell, the mobile terminal performs signal quality detection on theserving cell and a neighbor cell of the serving cell. The method comprises the following steps: judging whether the mobile terminal is in a static state; judging whether the current signal quality ofthe serving cell satisfies a business service condition; and if the mobile terminal is in the static state and the current signal quality of the serving cell satisfies the business service condition,reducing the signal quality measurement frequency of the neighbor cell.

The invention discloses an adjacent cell measuring method and apparatus, and belongs to the technical field of communication. The adjacent cell measuring method comprises the steps: in the idle state, when a signal of a serving cell changes, measuring the signal of the serving cell and a signal of an adjacent cell; determining whether the signal of the serving cell and the signal of the adjacent cell satisfy a measuring delay condition; and if the signal of the serving cell and the signal of the adjacent cell satisfy the measuring delay condition, prolonging the measuring period of the adjacent cell. A wireless terminal in the adjacent cell measuring method and apparatus can identify the current scene, and when the signal of the serving cell and the signal of the adjacent cell satisfy the measuring delay condition, the adjacent cell measuring method and apparatus can reduce the measuring frequency for the adjacent cell by prolonging the measuring period of the adjacent cell so as to reduce the power consumption and prolong the standby time.

The invention provides a beam management method and related equipment. The method comprises: in a process in which a terminal device receives information sent by a network device through a first receiving beam, determining a first UE attitude of the terminal device, the terminal device comprising a plurality of receiving beams; under the condition that the terminal equipment changes from the firstUE attitude to the second UE attitude, the terminal equipment determines a second receiving beam according to the orientation relationship among the plurality of receiving beams and the orientation change condition of the terminal equipment changing from the first UE attitude to the second UE attitude; and the terminal equipment receives the information sent by the network equipment through the second receiving beam. Based on the scheme, when the posture of the terminal equipment changes, the proper receiving beam can be selected to receive the information sent by the network equipment, the transmission performance between the terminal equipment and the network equipment is ensured, the measurement frequency based on the reference signal can be reduced, the power is reduced, and the robustness of a link is improved.

A measurement method and a biosensor apparatus using a resonator with which it is not necessary to agitate a sample solution in a cell and even if the amount of the sample solution is very small the influence of pressure waves is greatly reduced and extremely easy and accurate measurement is possible. In a method of the kind wherein a sample solution is brought into contact with one side of a resonator having first and second electrodes on opposite sides of a crystal plate and an a.c. signal is applied across the first and second electrodes and a frequency change of the resonator is measured from a relationship between the frequency of the a.c. signal and an electrical characteristic of the resonator, the resonator is made to oscillate at an N-tuple harmonic (N=3, 5, 7 . . . ) as the frequency change is measured.

This invention is a microwave carbon detecting sensor free of the influence of carbon kinds, which is located with a rectangle or column micro resonant chamber with an ash sample pipe vertical through the resonant chamber and with a co-axis cable socket in the resonant chamber inside end of which has a probe activator or couple ring activator the outside end is connected with a circulator. The first end of the circulator is connected with microwave signal generator and the second end of the circulator is connected with out end of the cable socket and the third end of the circulator is connected with the microwave cymoscope. It deduces measurement frequency and greatly deduces the power of absorbing the inorganic matter powder by the fly ash and eliminates the coal kinds influence. The resonant chamber is filled with low wear dielectric and can further reduce the size of resonant chamber.

A sensor measures a sample in a measuring cell including a helix conductor. The shell structure of the measuring cell is made of an electrically non-conductive material. The measuring cell and at least part of the helix conductor are placeable inside a chamber. A radio-frequency signal input element couples a radio-frequency signal to the chamber to form a helix resonance. A radio-frequency signal output element is responsive to a helix resonance of the helix conductor and transmits a radio-frequency signal for measurement. A device for measuring a sample in a measuring cell includes the sensor, a radio-frequency signal source, and a measuring and control part. The radio-frequency signal source produces a radio-frequency signal to the input element. The measuring and control part measures a property of a sample on the basis of a resonance frequency.

The present invention relates to a monitoring system (10) for monitoring the hemodynamic status of a subject (100) comprising an imaging unit (12) for obtaining a plurality of images of the subject (100) over time, a sensor unit (14) for acquiring a sensor signal of the subject (100) related to a vital sign of the subject (100), a PPG unit (16) for generating a photo-plethysmography, PPG, signal from said plurality of images, and an evaluation unit (18) for commonly evaluating said sensor signal and said PPG signal to extract one or more pulse arrival time, PAT, measures and to extract a hemodynamic information about the hemodynamic status of the subject (100) from said one or more PAT measures.

The invention discloses an earth-rock volume measuring and calculating method based on an unmanned aerial vehicle inverse modeling technology. The earth-rock volume measuring and calculating method comprises the following steps: S1, setting a plurality of target control points in an earth-rock volume to-be-measured area; S2, cleaning the site of the to-be-detected area before data acquisition; S3, setting related parameters of the unmanned aerial vehicle based on main factors influencing the image acquisition precision of the unmanned aerial vehicle, wherein the main factors influencing the image acquisition precision of the unmanned aerial vehicle comprise an air route, a relative flight height and an overlapping degree; S4, determining the number and direction of air routes, and delimiting an aerial survey area of the unmanned aerial vehicle; S5, acquiring and outputting oblique shooting data of the unmanned aerial vehicle; S6, performing reverse modeling by using the oblique shooting data of the unmanned aerial vehicle; and S7, based on the established model, calculating the earth-rock volume.

The invention discLoses a device for measuring underground water LeveL by adopting an opening cLosed method. The device comprises verticaLLy arranged outer and inner pipes and a steeL ruLer settLementgauge, wherein a cLosed annuLar space is formed between the outer pipe and the inner pipe, a magnetic fLoater is arranged in the annuLar space, the outer pipe is a corrugated teLescopic pipe providedwith a steeL wire, the inner pipe consists of an upper-portion main pipe and a Lower-portion Limiting guide pipe, the upper end of the Lower-portion Limiting guide pipe is provided with a measuring top cap, the upper-portion main pipe is inserted into the Lower-portion Limiting guide pipe, the Lower end is seaLed, the upper end of the outer pipe is seaLingLy connected with seaLing fiLm, a side waLL is provided with water seeping hoLes, the upper end of the outer pipe is connected with a seaLing top cap, and a measuring head of the steeL ruLer settLement gauge is arranged in the upper-portionmain pipe. The invention aLso discLoses a method appLying the device to measure the underground water LeveL. The reLativeLy accurate underground water LeveL eLevation of a soft soiL foundation in thereinforcing process can be more simpLy and convenientLy obtained under the situation that the soiL Layer soLidification infLuence is considered and it is ensured that a water LeveL pipe is not communicated with the atmosphere.

The invention provides a measuring device for civil engineering. The measuring device for civil engineering comprises a measuring plate, a sliding cavity, two sliding blocks, two ruler plates and twopositioning blocks, wherein the sliding cavity is formed in the measuring plate; the two sliding blocks are slidably mounted in the sliding cavity; the two ruler plates are slidably mounted on the inner walls of the two sides of the sliding cavity correspondingly, the sides, close to each other, of the two ruler plates extend into the sliding cavity and are fixedly connected with the two sliding blocks correspondingly, and the sides, away from the two sliding blocks, of the two ruler plates extend out of the measuring plate; and the two positioning blocks are fixedly mounted on the sides, awayfrom the two sliding blocks, of the two ruler plates correspondingly. The measuring device for civil engineering has the advantages of being convenient to mark, having a telescopic function and having a reference target.

Disclosed is a pilot frequency and inter-system measurement method, including: saving a pilot frequency and inter-system measurement policy; using the cell radius and the speed state thereof to select a measurement period from the pilot frequency and inter-system measurement policy and performing pilot frequency and inter-system measurement according to the selected measurement period. Also at the same time disclosed is a mobile terminal. By way of the present invention, the measurement period can be selected flexibly, reducing the consumed electricity quantity and thus improving the standby time of the mobile terminal.

The invention provides a fusion positioning method and device, and relates to the field of indoor and outdoor positioning. The method comprises the steps of: 1, enabling a scheduling terminal to measure the measurement quantity of each device under a specified type of reference device; 2, dividing all measurement quantities under a single reference equipment type into different intervals accordingto the reference equipment type and an interval threshold thereof; 3, determining an energy-saving and bandwidth-reducing measurement strategy of the round; 4, enabling the scheduling terminal to perform measurement reporting based on the new measurement strategy; and 5, updating the interval reference equipment member according to the reporting result, if the change rate of the updated intervalreference equipment member is greater than the proportion threshold 1, skipping to the step 1, and otherwise, skipping to the step 5. By adopting the scheme provided by the invention, the number of the reference equipment to be measured, the measurement frequency of the reference equipment and the measurement quantity report information amount are effectively reduced, the terminal power consumption and the measurement quantity report bandwidth overhead in the fusion positioning process are further optimized, and the practical application value of the fusion positioning scheme is finally improved.

The invention relates to a measurement parameter prediction and sewage treatment control method based on deep learning. The method comprises the following steps: step 1, acquiring real-time sewage treatment online instrument measurement time sequence data; step 2, performing data cleaning and wavelet transform on the time series data to obtain high-frequency components of each level; step 3, respectively processing the high-frequency components of each level, inputting the processed high-frequency components into the trained GRU neural network model, and outputting prediction results corresponding to the high-frequency components of each level; step 4, processing the prediction results corresponding to the high-frequency components of all the levels again and then combining the results towavelet reconstruction to acquire measurement parameters subjected to prediction; and step 5, performing corresponding control action on the corresponding control link of the sewage treatment according to the measurement parameters subjected to the prediction treatment. Compared with the prior art, the invention has the advantages that parameters can be relatively accurately estimated in advance,control lag is avoided, meanwhile, the measurement frequency can be reduced, and the cost is reduced.

The invention relates to a low-power-consumption multi-axis sensor system, which comprises at least one multi-axis sensor, a comparator and a controller, wherein all axes of the multi-axis sensor are respectively provided with a special sensing element, the comparator receives and compares the quantity of information obtained through the measurement of each sensor and each sensing element, and the controller controls and closes the multi-axis sensor obtaining less information or measurement of the sensing element or reduces the measurement frequency of the sensing element . The low-power-consumption multi-axis sensor system has the advantages that the power consumption of the multi-axis sensor system is reduced, and the use time of the multi-axis sensor system is prolonged.