162results about How to "Free from loss" patented technology

The invention provides a live method and system for a stream medium. The live method for the stream medium comprises the following steps: performing slicing processing on the stream medium transcribed in a real-time manner by a stream pushing terminal, and successively generating slicing files which can be independently played; updating generated information of the slicing files to an indexed file, wherein the indexed file comprises preset capacity of the information of the slicing files; uploading the indexed file and the slicing files to a server by the stream pushing terminal, and further processing the indexed file and the slicing files by the server according to need. The live system for the stream medium comprises a slicing processing module and a slicing uploading module, wherein the slicing processing module is used for performing the slicing processing on the stream medium transcribed in the real-time manner and successively generating the slicing files which can be independently played; the slicing uploading module is used for updating the generated information of the slicing files to the indexed file, the indexed file comprises the preset capacity of the information of the slicing file, and the indexed file and the slicing files are uploaded to the server. Through the use of the technical scheme of the invention, the fluctuation resistant property of the live stream medium is improved, and the data integrity is ensured.

This invention discloses one audio frequency data memory method based on bare device, which comprises the following steps: aligning magnetic disc space into several blocks and designing each with certain number and storing the blocks into each disc space block for operations in writing or reading data. This invention has property for lossless data to keep data in electricity break.

The invention relates to a method and a device suitable for measuring the fluffing and pilling amount and abrasion amount of a textile. The device is composed of a cloth sample barrel for coiling and clamping the textile, a rubbing mechanism for fluffing and pilling a cloth sample, a mini-type dust collector for collecting fallen fibers and fuzzy balls, an electrostatic electrode for assisting filoplume to be vertical, a collector for shearing and collecting the fuzzy balls and the filoplume, an optical measurement system for observing the fuzzy balls of the cloth sample, an electronic scale for weighing the weight of the filoplume fuzzy balls, a data acquisition and control system and a computer. The measurement method comprises the following steps: after coiling the cloth sample by equal tension, immediately measuring the filoplume significance as well as the quantity, form, size and distribution of the fuzzy balls; rubbing, fluffing and pilling to prepare a sample and synchronously measuring the process and measuring the filoplume significance of a final rubbing sample, the fuzzy ball quantity, the abrasion to the filoplume fuzzy balls and the remaining amount. The device and the method are ingenious, practical, accurate and quantitative; in-situ measurement for one machine with a plurality of purposes and one measurement process with a plurality of indexes is realized; the device and the method can be used for preparing the sample by fluffing and pilling the textile, measuring the fluffing and pilling amount and abrasion amount of the textile, and carrying out comprehensive analysis and evaluation.

The invention discloses a method for extracting single tree information from LiDAR in a layered clustering mode and belongs to the scope of LiDAR point cloud data processing and information extraction. According to the key technical point, 1, the point cloud is horizontally layered; 2, all the layers of point cloud are classified in a k mean value clustering mode, and different attribute values are provided for all the layers of point cloud; 3, the point cloud meeting preset conditions is fused; 4, the single tree positions, the tree height, the crown breadth and other information are extracted from the point cloud with the same attribute values, and forest stand structure information is calculated through the single tree information. The method has the key advantages that extraction of floor stratum single trees is achieved, and the number of accurately extracted forest stand forests reaches 80% or above; the function of extracting the single tree information from LiDAR and calculating the forest stand structure is achieved; no excessive requirement on the point cloud density is generated, and it is proved that the point cloud of 2p/m<2> can complete relevant work. The method can be applied to the field of LiDAR inversion information, is especially suitable for the forest stand condition with the complex structure, and can accurately extract the single tree positions, the tree height, the crown breadth, the forest stand structure parameters and other relevant information.

Provided is a frozen commodity distribution method reduced in labor and cost while holding the quality of frozen commodities and a cold insulation container unfoldable and foldable in a short time while providing high cold insulation performance. In the distribution method, the frozen commodities requiring cold insulation are stored in the cold insulation container formed of a vacuum thermal insulation material, and the cold insulation container is distributed by a refrigerator car, cold insulation car, or a room temperature car other than a chill car. In the foldable cold insulation container, each of peripheral wall parts, cover parts, and bottom face parts is formed by including the vacuum thermal insulation material in a sheet material, and the peripheral wall parts of the cover parts adjacent to the continuously arranged peripheral wall parts are foldable since the vacuum thermal insulation material is divided along pleat lines. When the container is used, the cover parts and the bottom face parts are rotated in closed attitudes to form into a box. When the container is not used, the bottom face parts are bent to the inside or outside of the peripheral wall parts, the cover parts are bent in the reverse direction of the bottom face parts, and the peripheral wall parts are allowed to approach each other while bending the peripheral wall parts inward along the pleat lines, stacked on each other, and folded.

The present invention relates to a radio signal identification method based on an end-to-end convolutional neural network. The method is characterized in that: an original I/Q sampling data of an observation window is subjected to execution of preprocessing and identification through a convolutional neural network in order. The preprocessing step is that: the original I/Q sampling data of the observation window is taken as input, and a frequency spectrum waterfall plot is output after discrete Fourier transform and data format alignment processing; the step of identification through the convolutional neural network is that: the frequency spectrum waterfall plot obtained by preprocessing is taken as input, and a one-dimensional boolean vector configured to show whether all the signals to beidentified are existed or not is output after the input passes through a CNN feature extraction layer, an MLP feature mapping layer and a BR multi-tag classification layer. Compared with the mode offeature extraction and classification identification, the radio signal identification method employs the end-to-end technical solution thinking to avoid complex and low-efficient feature engineering,improve the signal identification accuracy, robustness and intelligence level, and has important meaning of radio monitoring of important areas and important activity scenes.

The invention relates to a differential protection method using single-ended transient signal high-frequency component throughputs of a transmission line, belonging to a single-ended transient protection scheme for a power transmission line. When the line is in short circuit, a large number of high-frequency signals are generated due to a fault and are propagated to the two ends of the line; and as a bus has ground distributed capacitance, the high-frequency signals are remarkably reduced when the high-frequency signals pass through the bus, and high-frequency component values detected at a proximal fault side of the bus are always greater than those detected at a distal fault side of the bus. According to the differential protection method, fault signals of the inner side and the outer side of the bus at a line protection mounting position are acquired by using the above-mentioned principle, fault transient signals are subjected to lossless segmentation by using a perfect reconstruction filter bank, then, the difference value of certain throughputs of subband components of the inner side and the outer side of the bus is calculated, and whether the fault is an internal fault or an external fault is judged according to a majority voting mechanism by using the difference value; and signals for constructing criteria are a plurality of subband high-frequency signals covering the full high-frequency band, and subband frequencies can be adaptively adjusted along with the change of a sampling frequency. The differential protection method has the advantages that the scheme is simple and reliable, the line of total length can be protected, the requirements on the distributed capacitance of the bus are low, and the fault tolerance and the reliability are enhanced from principle and hardware implementation manners.

The invention discloses a cuckoo search-based underground mine image enhancement method, which adopts a cuckoo search algorithm in combination with a BGDPH algorithm provided by the invention to perform enhancement processing on an image, and comprises the following steps of: converting the underground mine image into an HSV color space, and performing adaptive nonlinear stretching processing on asaturation component S, initializing cuckoo search algorithm parameters and population and performing BGDPH algorithm processing on a brightness component V at each bird nest position to obtain an intermediate image, calculating the fitness value of the bird nest through the weighted fusion of the entropy value, the brightness difference value and the gray scale standard deviation of the intermediate image, iteratively updating the optimal bird nest position in a Levy flight regularization mode, and substituting the final optimal position into the BGDPH algorithm to enhance the component V, and finally, converting the HSV image back to the RGB space to obtain a final enhanced image. Compared with other methods, the method is good in image enhancement effect, and the visual effect of the underground mine image is obviously improved.

The invention relates to a device and method used for measuring the pilling form and pulling force of densely arranged yarns. The device consists of a yarn winding mechanism, a yarn grinding mechanism, a yarn feeding mechanism, a translational driving mechanism, a wearer collector, a microscopic camera system, a clamping and pulling mechanism, and a control and data analysis system. The method comprises the steps of bridging and rotating the yarn feeding mechanism and the yarn grinding mechanism through the translational driving mechanism, kinetically matching with the yarn winding mechanism to achieve the winding of the densely arranged yarns and yarn grinding sample preparation, and carrying out on-line measurement on yarn samples in the process of yarn grinding as well as comprehensive measurement, calculation and evaluation on yarn grinding samples in a final state. The device is ingenious in structure, practical, and precise and quantitative in measurement, and the device and the method are an in-situ measuring device and an in-situ measuring method which are multi-purpose and multi-index in one measurement. The device and the method can be used for the measurement of the pilling quantity, form and wear quantity of the yarns and pulling forces of hairiness and hair bulbs as well as the comprehensive evaluation of the pilling resistance.

The invention relates to an aerosol virtual impacting concentration separator which is characterized in that the separator comprises an outer drum; one side of the lower part of the outer drum is provided with an exhaust port and an exhaust fan which is connected with the exhaust end of the exhaust port; the outer drum is internally provided with three stages of separation inlet components from top to bottom; the first stage component comprises an aerosol air intake, the front end of the first stage component is provided with a waterproof and inset resistant net cover, the first stage component is internally provided with a flow limit column and a ring gap is arranged between the flow limit column and the first stage component; the second stage component comprises a large particle collection port and a second stage separation intake board, the large particle collection port is correspondingly arranged under the aerosol air intake and a plurality of second stage spouts are cut evenly at the periphery of the second stage separation intake board; the third stage component comprises a tank which is connected under the second stage separation intake board, the third stage spouts are cut at the bottom of the tank and a third stage collection port is arranged under the third stage spouts. By utilizing the flying inertia of aerosol particle and adopting the virtual impacting principle, the separator of the invention separates the respirable particle with the diameter of 2 microns to 12 microns, which contains microorganism, from great air flow and concentrates the respirable particle to comparatively small air flow.

The invention relates to a system and method capable of achieving quick service recovery. The system comprises an original service server, a data storage server and a target service server. The data storage server is used for storing snapshoot data of the original service server and generating a virtual service server when the original service server breaks down. The target service server is used for receiving data synchronized by the data storage server and recovering the service after the data are synchronized. By the adoption of the system and method capable of achieving quick service recovery of the structure, the service-oriented quick recovery technology is adopted, and the influence on continuous service operation by service data recovery is eliminated; based on the data security technology of volumes, the virtualization technology is combined at the same time, and the problem that service interruption time is too long due to original system hardware faults is solved; it is guaranteed that the service system can be recovered quickly when the original service server breaks down, the service is only suspended for several seconds, service interruption time is shortened, service continuity is ensured, and no data are lost in the process.

An on-line detector for a round packaging object label comprises a label scanner, a rotating automatic clamping mechanism and a control system. The rotating automatic clamping mechanism comprises a first clamping part, a second clamping part and a pneumatic element. The first clamping part and the second clamping part are arranged opposite to each other, and the pneumatic element controls the first clamping part and the second clamping part to make opening and closing movement. The first clamping part and the second clamping part respectively comprise driving rollers, auxiliary rollers and driving roller motors. The driving rollers and the driving roller motors are in transmission connection. The control system of the pneumatic element, the driving roller motors and the label scanner are all electrically connected with the control system. The on-line detector for the round packaging object label is suitable for automatic production and detection in an automatic production line, manual intervention is needless, production efficiency is improved, and sub-quality products are prevented from flowing into the market.

The invention discloses an intelligent lampshade replacing system for a table lamp. The intelligent lampshade replacing system comprises a limiting device, a fixing ring adjusting device, an auxiliarydevice and two lampshade fixing devices; and the fixing ring adjusting device is installed on the left side of the front end of the limiting device, the auxiliary device is installed on the right side of the front end of the limiting device, and the two lampshade fixing devices are installed at the rear end of the limiting device and are symmetrically arranged. According to the intelligent lampshade replacing system, the problems that in the existing lampshade replacing process, a fixing ring needs to be taken down manually, a lampshade is installed, then, the fixing ring is tightened again,a worker needs to limit the table lamp with one hand and replace the lampshade with the other hand during table lamp fixing, the fixing ring is difficult to take manually, in the lampshade installingprocess, the worker installs the lampshade on a lamp holder in a manual mode, and in the fixing ring tightening process, the worker needs to place the fixing ring on the lamp holder to be tightened from the position above the lampshade are solved, and the function of automatically replacing the lampshade of the table lamp can be achieved.

An exchange structure of route supporting uniform exchange is prepared as connecting input port formed by input buffer area and dispatcher to output port through exchange kernel, setting buffer area at each cross point of said kernel, corresponding one input buffer area to one type of stream, sending cell of stream in input buffer area to said kernel by dispatcher and buffer-storing cell of specific stream in buffer area at cross point, enabling to store four cells in each buffer area at cross point, multiplexing cell in buffer area at corresponding cross point to be a stream and outputting it by dispatcher on output port.

The invention relates to the technical field of an ocean monitoring device, and more particularly, to an ocean current testing instrument. The instrument comprises a sensor attitude self-stabilizing mechanism, a floating body frame and an anchor in connection with the floating body frame through a connection rope. The bottom of the sensor attitude self-stabilizing mechanism is fixedly provided with a current speed sensor. The floating body frame comprises a floating body, a first support, a second support and a third support wherein the first support is fixedly arranged on the second support, the third support is fixedly arranged on the floating body and the sensor attitude self-stabilizing mechanism is fixedly arranged on the second support. The second support is fixedly arranged on the floating body. The anchor is fixedly arranged on the third support through the connection rope. According to the invention, the testing instrument has a simple structure, is flexible to operate and is easy to be accepted by relevant units in ocean engineering off shore. And the testing instrument is of highly value for commercial promotions.

The invention relates to a device and method for measuring friction fuzzing and pilling forms and a pulling-out force of bobbin yarns. The device comprises a cop creel for clamping cops to rotate, a friction mechanism for fuzzing and pilling bobbin yarns, a collecting mechanism for collecting shaving and shearing filoplumes and fuzzy balls, a static raising device for helping filoplumes to stand, a pulling-out mechanism used for measuring the pulling-out force of the filoplumes and fuzzy balls, an imaging system for observing the filoplumes and fuzzy balls of the bobbin yarns, a computer and a data acquiring and controlling system. The method comprises the steps of: measuring the prominence of the filoplumes and the number, the form size and distribution of the fuzzy balls after coaxially jacking and clamping the cops, carrying out friction for fuzzing and pilling and synchronously measuring the prominence of the filoplumes, the number of the fuzzy balls, the abrasion loss and retention of the filoplumes and fuzzy balls, and the pulling-out force of the filoplumes and fuzzy balls of the process and a final friction sample. The device and method are exquisite, practical, accurate and quantitative, and can be used for measuring the fuzzing and pilling forms of the bobbin yarns and comprehensively evaluating the fuzzing and pilling resistance. In situ measurement of multiple functions in one machine and multiple indexes in one-time measurement is adopted in the device and method.

The invention concerns a method for transmitting a payload encapsulated in a packet from a transmitter to a receiver by using an Automatic Request process, in which: the receiver checks each packet received from the transmitter to detect some potential corrupted received packets the receiver acknowledges the correct or the corrupted reception of each received packet by emitting one or many acknowledgment messages to the transmitter; the transmitter sends again the packets that were indicated as corrupted in the received acknowledgment messages. For at least some packets, it implements an EC-PartARQ error control mechanism including the steps of: defining a sensitive part and a non-sensitive part in the transmitted packet; checking only each sensitive part in the packets for detecting any potential corrupted received packet, a packet being considered as corrupted if the sensitive part has not been correctly received.