445 results about "Equal time" patented technology

A method of generating a program signal stream comprises creating a sequence of serial programs that include a first event and a second, later occurring event and inserting a plurality of messages in the sequence of serial programs, between the first event and the second event. The messages may be indicative of a time to the second event, as measured from each respective message of an elapsed time since the first event, to each respective message. Alternatively or in addition, the messages may be at equal time intervals between the first event and second events. The first and second events may be the start and end of a program or a program portion, such as a chapter, an advertisement, unscheduled content or an entire program, for example. At least one message indicative of the time to the second event may be inserted in the sequence of serial programs prior to the first event.

The present invention provides a processor device and technique having the capability of providing a two-processor solution with only one processor. In accordance with the principles of the present invention, a host processor is programmed in its native source and machine code language, and an emulated second processor is programmed in a different native source or machine code language particular to that emulated processor, to allow programming specialists in the different processors to develop common code for use on the same host processor. A multitasking operating system is included to allow time sharing operation between instructions from program code relating to the host processor (e.g., a DSP in the disclosed embodiment), and different program code relating to the emulated processor. The program code relating to the host processor (e.g., DSP) is written in program code which is native to the DSP, while the program code relating to the emulated processor (e.g., microcontroller) is written in program code which is native to the microcontroller. The SoftCore emulation module allows both DSP code and control code written for a microcontroller to execute independently on the same processor by multi-tasking resources in the faster, host processor (e.g., in the DSP), giving equal time slots of processor time to each processor (real and emulated).

A method of reproducing first images and second images simultaneously, synchronizing them with each other. The method includes the processes of: reading first image data representing the first images and second image data representing the second images from a recording medium; storing the first image data into a first memory device and storing the second image data into a second memory device; and separately and simultaneously decoding the first image data and the second image data by using a first decoding device and a second decoding device. In this method, each of the first image data and the second image data is divided into a plurality of data units each having an equal time length and an equal data size, and each of the data units of the first image data and each of the data units of the second image data are alternately arranged on the recording medium.

A method, apparatus and algorithms are disclosed for operating an open electrostatic trap (E-trap) or a multi-pass TOF mass spectrometer with an extended flight path. A string of start pulses with non equal time intervals is employed for triggering ion packet injection into the analyzer, a long spectrum is acquired to accept ions from the entire string and a true spectrum is reconstructed by eliminating or accounting overlapping signals at the data analysis stage while using logical analysis of peak groups. The method is particularly useful for tandem mass spectrometry wherein spectra are sparse. The method improves the duty cycle, the dynamic range and the space charge throughput of the analyzer and of the detector, so as the response time of the E-trap analyzer. It allows flight extension without degrading E-trap sensitivity.

The invention discloses a non-contact contact line geometrical parameter detecting method. The method includes a first step of collecting high-definition images at equal time intervals by means of collection of control signals and finishing image preprocessing by means of the median filtering technique, the image graying technique and the like, a second step of locating a laser spot center point and extracting a coordinate of the center point by means of the iterative thresholding algorithm and a method of removing isolated noise in mathematical morphology, a third step of extracting a matched target region and detecting a transverse gray singular value of the target region, a fourth step of giving the wire height and a stagger value of a contact line by means of conversion from an image coordinate system to a camera coordinate system and from the camera coordinate system to a detection vehicle coordinate system, and compensating vibration of a vehicle body, and a fifth step of giving precise detection values of the wire height and the stagger value and displaying information of a plurality of parameters in a developed graphic monitoring interface. The method effectively improves detection efficiency of geometrical parameters of a contact net, simplifies the algorithm, improves precision of fault detection, and specifically improves safe reliability of the contact net of a high-speed train.

A method for the non-linear ultrasonic online detection of early fatigue damage to a metal material belongs to the field of nondestructive detection. The method comprises the following steps: determining an excitation signal parameter according to the thickness of a tested piece and inputting the parameter to an arbitrary function generator to generate a sound signal; determining a threshold value of an acoustic emission instrument according to the amplitude of a no-load noise signal; performing fatigue loading on the tested piece, continuously detecting an acoustic emission signal in real time with an acoustic emission sensor, amplifying the acoustic emission signal, inputting the acoustic emission signal into the acoustic emission instrument, and judging ring with the acoustic emission instrument when the amplitude of the acoustic emission signal exceeds the preset the threshold value of the acoustic emission instrument; detecting a non-linear ultrasonic signal at equal time interval if the acoustic emission instrument does not display the ring or the times of the continuous ring is not more than an empirical value; and stopping detection if the displayed ring times is more than the empirical value, because fatigue cracks are generated and develop. On the basis of non-linear ultrasonic nondestructive detection, the method of the invention introduces acoustic emission technique, so the method does not make incorrect judgment when detecting the early fatigue damage to the metal material and realizes continuous online detection.

The invention discloses a photovoltaic system fault arc detection method combining multiple detection signals. The method comprises the following steps: carrying out an equal time interval analysis of the multiple detection signals when the signal statuses are not changed; acquiring multiple characteristic values of a current time period based on a characteristic quantity obtained through the photovoltaic system fault arc detection method and the input multiple analysis time period detection signals; acquiring a typical value based on the selected detection signals; constructing correction factors for characteristic values of the next time period based on the typical values and the characteristic values of the detection signals for the current time period and the next time period; and carrying out linear weighting of each constructed correction factor and the corresponding characteristic value of the next time period to obtain a combined characteristic quantity, so as to complete the combined detection of photovoltaic system fault arcs. The method provided by the invention has the advantages that the photovoltaic system fault arc detection working conditions are expanded, the resistance of the photovoltaic system fault arc detection characteristic quantity against external interference is improved, the judgment of the combined characteristic quantity on the time of fault occurrence is more accurate, and a photovoltaic system can run more stably and safely.

An electrolytic facility includes an electrolyzing circuit coupled to an electrode chamber for conducting an electrolyzing operation, a pulse generating circuit coupled to the electrode chamber for generating pulses to kill germs and to remove fouling in the electrode chamber, and a switch device for selectively switching on the electrolyzing circuit or the pulse generating circuit. The pulses generated by the pulse generating circuit are preferably periodically generated in equal time interval, and preferably include a voltage contrary to the electrolyzing voltage for conducting the electrolyzing operation.

The invention relates to a preparation method of high carbon metalized pellet for waste water treatment, belonging to a technical field of metallurgical products, which is used to solve the problem that the surface passivation is easy to be generated in the material filtering in iron carbon by the method of electrolysis so as to affect waste water treatment effect. The invention is characterized in that: the high carbon metalized pellet contains single iron, activated carbon and few impurities, wherein the particle diameter of the single iron is less than 0.2mm, the activated carbon is a pore structure, the specific surface area reaches 500-800 square meter per gram. The method of the invention is composed of raw material preparation, pellet building, drying, reduction and other steps. Experiments evidence: the product in the invention has rich pore structures and huge specific surface, and has strong capability of absorbing contaminations in waste water, moreover the product has higher reaction activities, good osmosis, easy fluidization and no agglomeration. Compared with the conventional electrolysis process, the COD removal ratio of the used filling is improved by above 50 percent under equal time, the waste water with large variable concentration and wide PH value range can be treated.

In comb drive vibratory gyroscopes, drive-induced Coriolis accelerometer offset is effectively canceled by demodulating the output during equal times of in-phase and anti-phase drive of the shuttle with respect to the velocity signal used for angular rate demodulation. This reduces or eliminates the corresponding thermal and die-stress effects otherwise needing calibration.

The invention discloses a vibration signal time domain synchronous averaging method for a variable speed gearbox. The vibration signal time domain synchronous averaging method comprises the following steps: 1) collecting to get original vibration signals of the variable speed gearbox according to a conventional equal-time-interval way; 2) getting signal frequency signals which are related to the variable speed through short-time Fourier transform and time-frequency filtering methods; 3) getting an unwrapped phase versus time curve of the signal-frequency signals by Hilbert transform; 4) performing equal-angle resampling on the original vibration signals to complete the transformation from the variable-speed vibration signals to constant-speed vibration signals; and 5) getting average signals by getting help from the traditional time domain averaging method. According to the vibration signal time domain synchronous averaging method disclosed by the invention, time-scale-free time domain averaging of the vibration signals of a variable speed gear is realized, the signal-to-noise ratio of the original signals is effectively improved, and a basis is provided for state monitoring and fault diagnosis of the gear. Simultaneously, the equal-angle resampled vibration signals obtained by the method can create conditions for follow-up spectrum analysis and the like.

Methods and systems for a position indicating display system for an aircraft are provided. The system includes a moving map display representative of an area being traversed by the aircraft such that a current relative position of the aircraft is maintained proximate a center of the display, a first overlay on the moving map display that is indicative of a predetermined track of travel, and a second overlay on the moving map display indicative of a distance range from a suitable alternate airport. The second overlay also displays equal time points to assist flight crews in determining closest suitable alternate airport in the event of a required diversion. Constraints regarding the intended flight route on the organized track system are available for display to the flight crew.

The invention discloses a method and a device for measuring a radon exhalation rate on a medium surface. The measuring method comprises a measuring process and a calculating process. The measuring method comprises the following steps: during measurement, inversely covering a radon accumulation chamber on the surface of a medium to be measured; connecting a sealed measuring chamber with the radon accumulation chamber to form a loop; after collecting a certain time period of 5 minutes, turning on an air pump to mix the radon in the radon accumulation chamber and the measuring chamber at a smallflow rate less than 3L / min for 5 minutes, wherein at this time, the radon concentration in the measuring chamber is the radon concentration in the radon accumulation chamber at the time T; repeatedlymeasuring the radon concentration in the radon accumulation chamber to obtain a group of data of radon concentration in the radon accumulation chamber at equal time intervals by taking T which is greater than or equal to 10 minutes as a period; and solving the radon exhalation on the surface of the medium to be measured according to a theoretical formula. The measuring device consists of the radon accumulation chamber, the air pump, the measuring chamber, a secondary instrument and a drying pipe, wherein one end of the air pump is connected with the radon accumulation chamber, while the otherend is connected with the measuring chamber through a pipe; one end of the drying pipe is connected with the radon accumulation radon through a pipe, while the other end is connected with the measuring chamber through a pipe; and the secondary instrument is connected with the measuring chamber.

The invention relates to a waveform design for a formation flying satellites SAR (synthetic aperture radar), and provides an orthogonal waveform designing method which is used for carrying out phase encoding for linear frequency modulation (LFM) signals. The orthogonal waveform designing method includes generating a linear frequency modulation signal at first, dividing the linear frequency modulation signal into N parts according to equal time intervals to form N sub-pulses, carrying out random phase encoding for each sub-pulse by M times according to the number M of the formation flying satellites, establishing an ambiguity function expression, calculating cluster tolerance xi meeting formation flying satellite synthetic aperture radar Doppler mismatch, finding out a critical N value meeting requirements by the aid of a searching comparison method, finally selecting energy and functions which are in autocorrelation and cross-correlation as cost functions, namely fitness functions in genetic algorithm, searching code values of phase encoding of the various sub-pulses by the aid of the genetic algorithm, and finding out orthogonal waveforms after optimization at last. The waveforms have low autocorrelation side lobes, cross-correlation peak values, bandwidth occupation ratio and Doppler mismatch, and excellently suppress echo signal interferences among different space-borne SARs.

This invention provides one Ethernet exchange buffer and transfer method, which comprises the following steps: receiving data pack from input end; cutting data pack into certain length signal element by cut unit; storing signal element into central memory unit; adopting equal time lag transfer through end and line transfer unit and turning output end by each time lag; adopting run require or transfer of different lines at one output end; after getting transfer, reading signal element from common central buffer unit and the data pack resets the signal element sent to the linkage. This invention also provides one Ethernet exchange buffer and transfer device.

The invention provides a mapping method for reference signals and a physical resource block, which is used for mapping one-path or multi-path reference signals to the physical resource block of a long-term evolution system, wherein the physical resource block comprises 12 subcarriers on a frequency domain and comprises two continuous time slots with equal time domain lengths, and each path of reference signal comprises a plurality of reference signals. The method comprises the following steps: mapping the one-path or multi-path reference signals to N orthogonal frequency division multiplexing (OFDM) symbols of the physical resource block, wherein N is selected from one of 2, 3 and 4; and mapping each path of reference signals to M subcarriers on the OFDM symbols, wherein M is selected from one of 1, 2, 3 and 4. By defining the position of each reference signal in the physical resource block based on lamination, the method is comparatively simple to realize, improves the performance of an LTE system, is favorable for expanding to the design of the reference signals of high-order MIMO, and has good forward compatibility.

The present invention relates to a vibration signal processing method and system that can be used to account for situations where impact or impulse events are hidden in a normal vibration reading by low frequency vibrations and high frequency noise. In one preferred form, the method of the present invention comprises the steps of obtaining electrical vibration signals that represent mechanical vibrations of a machine (102-106), converting the electrical vibration signals into digital vibration samples (108), dividing the digital vibration samples into equal time intervals and determining the average absolute amplitude of the digital vibration samples for each time interval (110), generating a time waveform comprising the determined average amplitudes (112, 114), and processing the time waveform as if it were an independently-detected signal (116-120).

The invention provides a method and device for playing video streams in an articulated naturality web. The method comprises the following steps that: coding parameters for the video streams are preset at a video sending end, wherein the video streams include a key frame and a plurality of different frames; the video sending end encodes each frame of video streams according to the coding parameters; after encoding, the video sending end sends the video streams to a video receiving end through the articulated naturality web, when the video streams are sent, one frame of video streams is sent at third preset value time intervals under control, and one frame of video streams is sent within a fourth preset value time interval; the video receiving end receives the video streams, and adds timestamp information into each frame of video streams; and current frame rate information is calculated according to the timestamp information, and each received frame of video streams is decoded at equal time intervals according to the frame rate information, and decoded video streams are played.

The invention relates to a method for detecting and positioning a text area in a video. The method is characterized by comprising the following steps of: inputting the video, and sampling the input video at equal time intervals; carrying out edge detection on an image obtained by sampling; generating a text confidence map by utilizing the image obtained by detection; extracting a text candidate area according to the generated text confidence map; fusing the text candidate areas of approximately same multiple frames of images in the text candidate area; and analyzing the images of in the text area after fusing. With the adoption of the method, multi-language texts appearing in the video can be accurately positioned in real time. The method is applicable to various functions such as video content editing, indexing and retriving and the like.

The invention discloses a method for dynamically estimating travel time of a motor vehicle on an urban road under control of signal lamps. The method comprises the following steps of: dividing analysis time into time windows and dividing a current time window into a plurality of time points at equal time intervals; determining crossings and distances between every two crossings that the motor vehicle passes by, acquiring the real-time signal timing data of each crossing and universal traffic flow data acquired by each crossing coil detector from a traffic signal control system and calculating traffic flows in each current signal period according to traffic flow detection time; and realizing dynamic estimation on the travel time on a trunk road according to the state change probability of the system. The method has the advantages of realizing the dynamic estimation on the travel time of the motor vehicle on the urban road under the control of the signal lamps, having good portability and greatly enhancing economical efficiency.

The invention provides a method for extracting the fault features of rotating mechanical equipment, which comprises the following steps: (1) carrying out equal-time-interval sampling on a vibration signal and carrying out time domain processing, and extracting time domain features; (2) carrying out envelope detection processing on an equal-time-interval sampling vibration signal x(n) so as to obtain an equal-time-interval sampling envelope signal, and extracting the features of the envelope signal; (3) reconstituting an equal-angle-interval sampling envelope signal y(n) by using the equal-time-interval sampling envelope signal and rotating speed information; (4) carrying out equal-angle moving average filter processing on the equal-angle-interval sampling envelope signal y(n) so as to obtain a signal z (n); and (5) solving the Fourier transform of the signal z (n), seeking feature frequencies by using a feature frequency matching method, and extracting the fault features of a frequency domain. The method not only can suppress interferences under the condition that the resolution ratio of a frequency domain is not reduced, but also can extract actual feature frequencies under the condition that rotating speeds and mechanical parts have deviations, and therefore, smaller potential faults can be effectively found.

System and method for analyzing an input signal acquired from a physical system with a rotating element. A tachometer signal is received comprising rotation speed information for the rotating element. A time sequence is determined using the tachometer signal, comprising time values for the rotating element at substantially equal angle increments, e.g., by edge detection software or timer / counter. A software-based first digital interpolation filter, e.g., a Cascade-Integrator-Comb filter, is applied to the time sequence, generating a modified time sequence. A digitized data signal is received comprising data for the rotating element at substantially equal time increments. A second software-based digital interpolation filter is applied to the data signal, generating a modified data signal which is re-sampled using the modified time sequence to generate an angle domain data signal, comprising data signal values at substantially equal angle increments, where the angle domain data signal is usable to analyze the physical system.

The invention discloses a real-time fusion type travel time predicting method with multi-source and isomorphic data adopted. The real-time fusion type travel time predicting method with the multi-source isomorphic data adopted comprises the steps that on the basis that multi-source isomorphic continuous travel time data sequences at equal time intervals are obtained, a multi-source travel time D-S evidence inference model recognition framework is constructed; the real-time prediction mean value and dynamic variance of each kind of single travel time data source are calculated respectively by means of a time sequence model which enables the prediction mean value and the dynamic variance to be learnt; with a dynamic variance prediction result serving as input data, an elementary probability distribution function and a basic trust distribution function of a D-S evidence inference model are obtained through calculation, and the dynamic fusion weight of the multi-source travel time data is calculated according to the evidence synthesis rule; a travel time fusion result is calculated through the prediction mean values of the single data sources and the weight sum of the dynamic fusion weights. According to the real-time fusion type travel time predicting method with the multi-source isomorphic data adopted, the road travel time description or prediction uncertainty caused when a single data source is used for describing or predicting the road travel time is lowered, the travel time prediction accuracy and the travel time prediction reliability are improved, and the operability is high.

A system is provided for controlling the delay in an isolation buffer. Multiple such isolation buffers are used to connect a single signal channel to multiple lines and controlled to provide an equal delay. Isolation buffer delay is controlled to be uniform by varying either power supply voltage or current. A single delay control circuit forming a delay-lock loop supplies the delay control signal to each buffer to assure the uniform delay. Since controlling delay can also vary the output voltage of each isolation buffer, in one embodiment buffers are made from two series inverters: one with a variable delay, and the second without a variable delay providing a fixed output voltage swing. To reduce circuitry needed, in one embodiment an isolation buffer with a variable power supply is provided in a channel prior to a branch, while buffers having a fixed delay are provided in each branch. A wafer test system can be configured using the isolation buffers having equal delays to enable concurrently connecting one tester channel to multiple wafer test probes.

Disclosed is a method for processing incoming signals of photo-detectors in a visible light communication system. The method includes: dividing symbol duration into divided durations according to an equal time interval to set the divided durations to a plurality of time slots, the symbol duration being a time required to transmit one of a symbol and a bit; receiving visible light signals through a photodiode array in a receiver; determining a gain value of each of the photodiodes during a time slot, in consideration of each photodiode area on the photodiode array during the time slot and the time slot position within the symbol duration; multiplying a gain value of each of the photodiodes by an output value of a corresponding photodiode; and summing up output values of each of the photodiodes by which the gain value has been multiplied and calculating a total of output values of the time slot.

The invention relates to a river channel sand body fine-identification method comprising the following steps: determining seismic response characteristics corresponding to different sand body sedimentation modes in order to identify the characteristics of a river channel; determining the phase relationship of sand layers on the time section through de-sanding test, and identifying the envelope surface of the sand body of the river channel based on the seismic response characteristics of the river channel; cutting stratum slices at equal time intervals from top to bottom to obtain the superimposed relationship of the river channel in different periods; making clustering analysis of five basic attributes and other unconventional attributes and determining the boundary of the sand body of the river channel; and carrying out fine stratigraphic correlation to determine the superimposed relationship of the internal space of the sand body, accurately working out the oil-bearing area and reserves of a single sand body, and determining the scope of development well network deployment. Through the process, technical problems, for example, reservoir plane distribution in a multi-source convergence area is complex, sand bodies are of high heterogeneity, and the resolution of seismic data does not meet the requirement of a predicted thin reservoir, are solved, the success rate of drilling is greatly improved, and the method has a broad market prospect.

The invention discloses a load balancing prediction method of a distributed database, and a predictive analyzer. The load balancing prediction method of the distributed database comprises the following steps: collecting a load index on each local data node to form training set data; initializing a multilayer circulation neural network model; extracting data in one time period from the training set data to serve as the input of the multilayer circulation neural network model, extracting the data in an equal time period after the data in one time period from the training set data to serve as the output of the multilayer circulation neural network model, and training the multilayer circulation neural network model; and extracting the data which is after the data in the equal time period and is in the same time period to serve as the input of the multilayer circulation neural network model, and predicting the load index of the local data node. Therefore, the load balancing prediction method of the distributed database and the predictive analyzer can more precisely describe and effectively predict the structure of load balancing data.

This invention relates to a preparation method for poly-asparagic acid resin, which takes poly-pyrrolidine dione as the raw material to make crosslink poly-pyrrolidine dione with method of non-even phase suspended emulsion crosslink or non-even phase suspension crosslink and processes poly-asparagic acid resin by hydrolyzation characterizing that the crosslink poly-pyrrolidine dione is prepared by multi-section crosslink reaction, in which, the crosslinker is fed in for 2-4 times in equal volume and equal time interval, the crosslink poly-pyrrolidine dione and the resin are aged and crystallized and quickly dried, A ageing and crystallization process for 1-10 days under room temperature, B, quick drying process is carried out under -54-40deg.C.

The invention relates to the technical field of machine vision, and discloses a water outlet control method for an automatic water dispenser. The water outlet control method comprises the following steps: 1, putting a transparent cup body below a water outlet of the automatic water dispenser, shooting the transparent cup body by using a camera, and selecting a plurality of frames of images from ashot video at equal time intervals; 2, selecting an ROI (Region of Interest) by taking a cup mouth central point of the transparent cup body as an image central point; 3, performing edge detection onthe ROI to obtain the inner edge of the cup mouth and the upper edge of the liquid level; 4, establishing a rectangular coordinate system by taking the corner point of the ROI as an original point, calculating the number of pixel points between the upper edge of the inner edge of the cup mouth and the upper edge of the liquid level, and comparing the number of the pixel points with a second numberthreshold value; and 5, if the number of the pixel points is smaller than a second number threshold value, for the water outlet of the automatic water dispenser, stopping discharging water otherwise,repeating the step 2 to the step 4, and processing the selected next frame of image.