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1615results about How to "Accurate method" patented technology

Media delivery platform

An improved method for delivery and play back of sound and image files is provided. This new method includes the use of sound and/or image clips, which can be snippets or full files, as alerts for a variety of electronic devices or for playing on a handheld device, and for use as a promotion to sell items associated with the files. A collection or library of uniquely selected and/or edited clips may also be provided to the consumer in a manner far more conveniently on conventional telephone equipment than previously available. Algorithms are provided for the delivery, storage and playback of the sound files, including a delivery method algorithm (500), a parametric optimization and compression algorithm (1500), and an error correction algorithm. In contrast to the conventional ring tones or musical chimes used to ring cellular phones currently on the market, the current invention provides a method for ringing cellular phones and landline telephones with real sound recordings including real music, which may be songs lifted from copyright registered CD tracks, and may comprise human voice, various instrument sounds, and other sound effects of a high quality. A software based system for encoding the hardware of existing cellular phones at the time of manufacturing with delivery, storage, and playback capabilities in accordance with the present invention is provided, such that additional hardware is not required.
Owner:SKKY

Pattern-dependent error counts for use in correcting operational parameters in an optical receiver

An optical transmission network includes an optical transmitter photonic integrated circuit (TxPIC) chip, utilized in an optical transmitter and has a plurality of monolithic modulated sources integrated for multiple signal channels on the same semiconductor chip is provided with channel equalization at the optical receiver side of the network that permits one or more such integrated modulated sources in the TxPIC chip to be out of specification thereby increasing the chip yield and reducing manufacturing costs in the deployment of such TxPIC chips. FEC error counts at the FEC decoder on the optical receiver side of the network includes counters that accumulate a plurality of bit pattern-dependent error counts based on different N-bit patterns in the received data bit stream. The accumulated counts of different N-bit patterns are utilized to provide for corrections to threshold and phase relative to the bit eye pattern as well as provided for weight coefficients for the optical receiver equalization system. The deployment of this type of equalization in a digital OEO REGEN network substantially reduces, if not eliminates, the need for dispersion compensating fiber (DCF) or EDFAs in an optical link of the network and enhances the optical receiver tolerance to chromatic dispersion (CD) so that an increase in chip yield is realized for TxPIC chips not operating with acceptable operational parameters, particularly with a desired frequency chirp parameter relative to at least one of the TxPIC modulated sources.
Owner:INFINERA CORP

Pattern-dependent error counts for use in correcting operational parameters in an optical receiver

An optical transmission network includes an optical transmitter photonic integrated circuit (TxPIC) chip, utilized in an optical transmitter and has a plurality of monolithic modulated sources integrated for multiple signal channels on the same semiconductor chip is provided with channel equalization at the optical receiver side of the network that permits one or more such integrated modulated sources in the TxPIC chip to be out of specification thereby increasing the chip yield and reducing manufacturing costs in the deployment of such TxPIC chips. FEC error counts at the FEC decoder on the optical receiver side of the network includes counters that accumulate a plurality of bit pattern-dependent error counts based on different N-bit patterns in the received data bit stream. The accumulated counts of different N-bit patterns are utilized to provide for corrections to threshold and phase relative to the bit eye pattern as well as provided for weight coefficients for the optical receiver equalization system. The deployment of this type of equalization in a digital OEO REGEN network substantially reduces, if not eliminates, the need for dispersion compensating fiber (DCF) or EDFAs in an optical link of the network and enhances the optical receiver tolerance to chromatic dispersion (CD) so that an increase in chip yield is realized for TxPIC chips not operating with acceptable operational parameters, particularly with a desired frequency chirp parameter relative to at least one of the TxPIC modulated sources.
Owner:INFINERA CORP

Method for displaying multi-level text data in three-dimensional map

A three-dimensional map is displayed on a screen, and text data with different levels of density are displayed according to distances from a view point of the displayed three-dimensional map to nodes where the text data will be displayed, thereby improving readability of the text data. Further, it is possible to display the text data by locally adjusting the density of the text data on the screen. The three-dimensional map is displayed on the screen of a display panel by converting map data with two-dimensional coordinates into those with three-dimensional coordinates by means of a perspective projection method. Text data to be displayed together with the three-dimensional map are converted into those in a three-dimensional coordinate system with an origin defined by the view point of the three-dimensional map. The converted text data are projected on a two-dimensional plane to be converted into those with screen coordinates. Then, distances from the view point of the displayed three-dimensional map to the nodes where the text data will be displayed are classified. The classified distances are determined for the converted text data with the screen coordinates. Text data of levels corresponding to the determined distances are displayed on the screen of the display panel on which the three-dimensional map is displayed.
Owner:LG ELECTRONICS INC

Industrial area atmosphere VOCs (volatile organic compounds) automatic monitoring/prewarning/tracing system and method

The invention provides an industrial area atmosphere VOCs (volatile organic compounds) automatic monitoring / prewarning / tracing system and method, relating to the technical field of atmosphere VOCs monitoring / prewarning / tracing. The industrial area atmosphere VOCs automatic monitoring / prewarning / tracing system is composed of a plurality of atmosphere VOCs automatic monitoring systems 1, a server 2, a client 3, a mobile terminal 4 and the like which constitute the sites and are connected with each other. The method comprises the following steps: setting a plurality of atmosphere VOCs automatic monitoring system sites; preliminarily establishing an atmosphere VOCs emission source spectrum library; transmitting atmosphere VOCs and weather data to the server through the site; monitoring in real time or instantly starting the tracing technical system, and carrying out tracing calculation by the server; logging on a data display platform by the client; and quickly receiving and displaying pollution source information by the mobile terminal. The system and method implement real-time monitoring and high-concentration prewarning on VOCs emission, implement quick identification and diagnosis, enhance the technical level and management efficiency for environmental protection management to cope with atmosphere peculiar smell complaints of residents and peculiar smell sources, and provide technical and material basis for implementing intelligent cities and intelligent management in China.
Owner:上海市环境监测中心

Method for locating faults of power distribution network with distributed power supplies

The invention belongs to the field of power systems and particularly relates to a method for locating faults of a power distribution network with distributed power supplies. According to the method, on the basis of voltage current information measured by synchronous phasor measurement devices or fault recording devices installed on a main power supply and outlets of the distributed power supplies, errors of measured values and calculated values of variations of voltages of the power supplies before and after the faults occur are compared to judge the positions of the faults, and asymmetry of the distributed power supplies, distribution transformers and distribution lines are taken into consideration in the process of solving the calculated values of voltage change. According to the method, only the voltage current information of the outlets of the power supplies needs to be obtained, the state information of a relay protector, a breaker, a switching equipment and the like is not needed, the method has the advantages that less information is needed, the physical significance is definite, the calculation process is simple, and the fault locating accuracy is good; meanwhile, the more the number of the distributed power supplies is, the more the number of connected accesses along the power supplies is, and the less the number of disconnected accesses is; the method is more accurate.
Owner:NORTH CHINA ELECTRIC POWER UNIV (BAODING)

Calibration method for 3D (three-dimensional) acquisition system

ActiveCN103337066AHigh precisionAvoid the problem of poor calibration accuracyImage analysisComputer visionComputer science
The invention discloses a calibration method for a 3D (three-dimensional) acquisition system and relates to the field of system calibration. The method comprises the following steps of A) performing acquisition for many times along different routes on a calibration object and recording depth information, image information, location information and posture information of every time of the acquisition; B) obtaining external parameters between a calibrated depth sensor and a calibrated location and posture sensor and accurate three-dimensional coordinates of the calibration object by calibrating three-dimensional coordinates in a local coordinate system of the calibration object; and C) obtaining external parameters of a calibrated image sensor and the calibrated location and posture sensor by calibrating two dimensional coordinates of the accurate three-dimensional coordinates of the calibration object in the image information and horizontal coordinates of the calibration object in the image information. According to the calibration method, the external parameters between the depth sensor and the location and posture sensor and the external parameters between the image sensor and the location and posture sensor are calibrated at the same time during a calibration process, and thus an aim for calibrating the 3D acquisition system is fulfilled.
Owner:TSINGHUA UNIV

Nondestructive detection method of swelled kiwi fruits based on hyperspectral imaging technology

The invention discloses a nondestructive detection method of swelled kiwi fruits (kiwi fruits obtained by applying a swelling agent) based on a hyperspectral imaging technology. The method comprises the following steps: scanning a batch of intact swelled kiwi fruit samples and non-swelled kiwi fruit samples with a hyperspectral imaging system as a tool to obtain hyperspectral image information of the samples; carrying out black and white correction and masking treatment of hyperspectral images, and extracting the average spectrum of a whole fruit area; preprocessing the average spectrum; dividing to form a correction set and a prediction set; reducing dimensions of spectral data to extract characteristic wavelengths or characteristic variables reflecting the swelled kiwi fruits; and establishing a linear or non-linear model for the nondestructive identification of the swelled kiwi fruits, and examining the model. The correct recognition rate of the method to the swelled kiwi fruits is greater than 99%. The method used for detecting whether the swelling agent is applied to the kiwi fruits or not based on the hyperspectral imaging technology has the advantages of nondestructive property, high efficiency, high accuracy and reliable result.
Owner:NORTHWEST A & F UNIV
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