45results about How to "Stable throughput" patented technology

The invention relates to a harmlessness and resource utilization technique of solid waste, aiming to provide a system for drying sludge using solar energy. The system comprises a rotary screw sludge drying and shaping machine, wherein at least one hollow thermal shaft is disposed inside the machine body and connected with a transmission mechanism, a plurality of hollow blades are disposed on the hollow thermal shaft, the heat-conducting oil outlets of the hollow thermal shaft and the shell are all connected with a heat-conducting oil tank via pipelines, the heat-conducting oil inlets of the hollow thermal shaft and the shell are all connected with a solar heat collector via pipelines, and the heat-conducting oil tank, a heat-conducting oil pump and the solar heat collector are connected with pipelines. The invention realizes sludge drying using solar energy, so as to remarkably the energy consumption during sludge drying process; uses heat-conducting oil as the heat transfer medium of the solar heat collector, so as to improve the heat transfer effect of the system; and makes the sludge particles into fuel, so as to take full advantages of the heat in the sludge and be in favor of further grinding and incineration.

When a wireless communication apparatus is used indoors where discharge lamps are used, flickering of the discharge lamp can cause transmission path fluctuations in which the amplitude or phase of the reception signal changes suddenly. The effect of this discharge lamp fading is that communication data errors occur easily and communication quality drops. A wireless communication apparatus according to the present invention has a transmission path fluctuation period detection unit (101) that detects the period in which transmission path fluctuation caused by discharge lamp increases, a transmission control unit (102) that sets transmission signal conditions based on the detected transmission path fluctuation period, a transmission unit (103) that generates and outputs the transmission signal based on these conditions, and an antenna (104) for transmitting the transmission signals. The wireless communication apparatus thus comprised stops wireless signal transmission during the transmission path fluctuation period or transmits a wireless signal that is resistant to data errors caused by change in the transmission path environment.

Embodiments of the invention disclose a data transmitting method, a related device and a related system. The method comprises: a network device transmits resource location information of a first reference signal and a physical channel to a terminal; a first time-frequency resource mapped by and corresponding to the first reference signal is overlapped with a second time-frequency resource corresponding to the physical channel, wherein the overlapped resource is not used for physical channel transmission, and a third time-frequency resource of the second time-frequency resource except for the overlapped resource is used for physical channel transmission, or the overlapped resource is used for transmitting a second reference signal, or an overlapped region is used for transmitting the secondreference signal, the terminal does not transmit the first reference signal, and the second reference signal is orthogonal to the first reference signal; and the network device receives the physicalchannel and the second reference signal transmitted by the terminal. By using the embodiments of the invention, multiplexing PUSCH and SRS in the time-frequency resources for uplink transmission may be implemented, and the influence of SRS capacity expansion to data uplink throughput may be reduced.

A method of operating a radiotherapy system, comprising: receiving a treatment plan to be carried out using the radiotherapy system; detecting if there is a fault in a component of the radiotherapy system; determining whether the component is needed for delivery of the treatment plan; and if the component is not needed for delivery of the treatment plan, allowing the radiotherapy system to execute the treatment plan.

User cooperation in wireless networks implemented on the Network Protocol layer level attains a higher stable throughput and improved transmission delay. The cooperation is designed between a set of source user nodes transmitting to a common destination, where users with channels providing a higher successful delivery probability, in addition to their own traffic, relay packets of other source users whose transmissions to the destination fails. Each source user node is provided with an ample queue buffer having capacity to accumulate packets inadvertently received from other users in the system in addition to its own packets. Ranking mechanism facilitates in determining the “quality” of wireless channels, and the Acknowledgement mechanism facilitates in coordination of the transmissions in the system. The nodes exchange information on the queues status, and decision is made by a scheduling controller on the priority of transmission.

The invention discloses an optimized node access method based on a self-adaptive backoff window and a backoff speed in a mobile Ad hoc network, comprising the steps of: in a frame of the traditional IEEE (Institute of Electrical and Electronics Engineers) 802.11DCF access protocol binary backoff algorithm, computing the optimal initial backoff window according to real-time node density, and setting a reducing speed for the backoff time according to real-time channel occupying state, thereby simultaneously realizing the self-adaptive update of the backoff window and the self-adaptive update of the node access channel speed. In the Ad hoc network scene in which the nodes are in frequent activities, according to the optimized node access method based on the self-adaptive backoff window and the backoff speed, the network throughput and the average time delay are increased to the greater extent, and the package loss is reduced.

The invention discloses an underground automatic steady-flow type cyclone separator, which can strength applicability, to a liquid inlet amount unsteady condition, of cyclone separating equipment. Theunderground automatic steady-flow type cyclone separator is characterized in that an inlet liquid processing module and an inverted cone structure are arranged in a variable-diameter separating tube,wherein a plurality of through circular holes are formed in a liquid inlet of the variable-diameter separating tube; the through circular holes are distributed along the periphery of the variable-diameter separating tube; the inlet liquid processing module comprises a large control spring, a static connecting rod spiral runner, a dynamic spiral runner, a step conical disc, a blocking pressure disc and a locking bolt; a blocking slot is formed inside the variable-diameter separating tube for fixing and positioning the static connecting rod spiral runner; the large control spring, the static connecting rod spiral runner and the dynamic spiral runner are assembled together through a lower blocking groove and an upper blocking groove; the inverted cone structure comprises a multi-section-diameter top cone, a rail type inverted cone, a sealing ring and a small control spring; the step conical disc is fixed to the static connecting rod spiral runner through threaded connection; the blockingpressure disc and the step conical disc are fastened through the locking bolt; and the inverted cone structure and the inverted cone fastening base are connected together through threads.

The invention belongs to automotive non-woven textiles, in particular to an environmentally friendly differential fiber non-woven automotive interior trim material and a preparation method thereof. The preparation method comprises the following steps of: preparing needle-punched grey cloth through feeding fibers, roughly opening, mixing fibers, fine opening, carding the fibers into a net, crosswise spreading the net and needling by using environmentally friendly colored flame retardant terylene short fibers as a raw material; and then carrying out foam gum dipping in flame retardant polyacrylate foaming rubber latex to obtain the differential fiber non-woven automotive interior trim material, wherein the adhesion quantity of the rubber latex is controlled to be 12-18g / m<2>. The environmentally friendly differential fiber non-woven automotive interior trim material has good property, high quality, environmental protection and high safety; and the preparation method provided by the invention has low energy consumption, no pollution and low cost.

The invention relates to a method based on multi-channel medium access control protocol in an ad hoc network, which is applicable to temporary mobile ad hoc network applications with the requirement of transmitting a large amount of data, as long as each device has a Wi-Fi (wireless-fidelity) network card, the method can be realized. The designed multi-channel medium access control protocol utilizes three non-overlapped physical channels on 2.4GHz frequency band for simultaneously performing data transmission, network time is planned to periodic beacon frame intervals as a whole, and each period is further subdivided to three sub-intervals which are synchronous control interval, multi-channel data transmission interval and beacon period end interval respectively. The synchronous control interval is used for transceiving beacon frames and reserving a channel, an internal node of the multi-channel data transmission interval is switched to the reserved channel for performing data transmission, and the internal node of the beacon period end interval finally stops receiving data of the upper layer and is further switched to a common channel. Practical tests and result analysis show that, compared with the ad hoc network of 802.11 protocol, the multi-channel ad hoc network based on the method can significantly improve the throughput of the network.

A video processing apparatus and methodology are implemented as a combination of a processor and a video decoding hardware block to decode video data by performing piecewise processing of overlap smoothing and in-loop deblocking in a macroblock-based fashion. With this approach, a smaller on-board memory may be used for the in-loop filtering operations of the video decoding hardware block. By pipelining the piecewise processing operations, latency in the filtering operations is hidden and the filtering output is smoothed, thereby avoiding the need for bursts of fetching and storing of blocks.

The invention provides a pressure testing system and method of a middle system. The pressure testing system comprises a main control pressure machine and at least one pressure testing machine which is connected with the main control pressure machine, wherein the main control pressure machine is used for establishing a performance test dispatching plan so as to control the pressure testing machine to carry out a pressure test on the detected middle system; the pressure testing machine is used for simulating a transaction initiator in a testing environment according to the performance test dispatching plan and sending transaction request messages to the detected middle system in batches, so that the detected middle system can generate corresponding messages according to the transaction request messages; and the pressure testing machine is also used for simulating a transaction counterparty of the transaction initiator according to the performance test dispatching plan to receive incoming messages generated by the detected middle system according to the transaction request messages in batches, responding returning messages of the incoming messages according to the incoming messages, and sending the returning messages to the tested middle system in batches.

The invention provides a data processing device based on stored data grids and a data processing method based on the stored data grids. The device comprises a data loading module, a data dividing module and a data processing module, wherein the data loading module is used for loading data to be processed in a data base to the stored data grids; the data dividing module is used for dividing the data loaded in the stored data grids into at least one data set according to the relevance among the data; the data processing module is used for respectively processing each data set by using different grid nodes in the stored data grids, and returning the processing result of each data set to the data base. According to the technical scheme, the data to be processed which are loaded into the stored data grids are divided into a plurality of data sets, processing is respectively carried out by different grid nodes in the stored data grids, the data processing efficiency is improved, the load pressure for processing by a signal processor is reduced, and the respond time for processing the data is shortened.

The invention discloses a method of multirate self-adaptation back-off of a wireless sensor network. The method particularly comprises that a node is started and a radio frequency module is arranged to work at maximum transmitting power; the node sends broadcast data packets at different speeds, and receives the response data packet of adjacent nodes; the node measures and records direct communicating time with other nodes at different speeds, and sends the time information to the adjacent nodes; the node counts the received response data packets, and confirms a degree number (the number of the adjacent nodes); the node receives the data packets containing the direct communicating time among the nodes sent by the adjacent nodes, and confirms a connection set (the connecting set of a node is a set formed by the adjacent nodes, and the direct communicating time between the node and the adjacent nodes is less than the indirect communicating time between the node and the adjacent nodes.); the node confirms an optimal back-off factor according to the relation of the degree number and the connection set; the node confirms self-adaptation coefficient reflecting network congestion conditions; and the node monitors the data sending conditions on a channel, carries out real-time adjustment according to the size of a contention window to enable the contention window of the node to reasonably reflect the contention conditions of the channel. The method of the multirate self-adaptation back-off of the wireless sensor network is suitable for the field of wireless sensor networks, a physical layer provides multirate abilities, the problems that data collision is increased and a contention window value is always large due to multirate transmission are solved, network throughput can be improved remarkably, and transmission delay can be reduced.

The invention discloses a multi-user MIMO system user scheduling method based on a L2-Hausdorff distance. The method comprises the following steps of an initialization portion: in an overload MIMO system, supposing that each channel is stable in a scheduling time slot, initializing an alternative user set and a scheduling set, and calculating a norm of each user channel; selecting a first user which is defined in the description, at this time, updating two sets, and using an irrigation power distribution method to calculate a system throughput of this time; a circulation iteration portion: using a greedy algorithm to carry out circulation iteration from a second user till that K users are selected from K<^> users and selecting a needed user set S, wherein the K is an upper limit of the users accommodated by the system; and a circulation termination portion: returning to the selected user set S and calculating a throughput C of the MIMO system at this time. In the invention, under the condition that throughput performance is maintained, complexity can be reduced, system time delay is shortened and so on.

The invention provides a worst response time-based hybrid key system task schedulability analysis method, which comprises the following steps of: firstly, providing a hybrid double-security key (DM) task model, and redefining system behaviors; and giving a worst response time derivation process of the mixed key task and a task set schedulability theorem in combination with the task period and priority change during system safety key level conversion. And finally, example comparative analysis shows that the method is effective. When the security key level is improved, the worst response time analysis method provided by the invention can provide better service for the LC task on the premise of ensuring the schedulability of the HC task; the analysis process is more simplified, the task average response time is shorter, the CUP resource utilization rate is higher, and higher and more stable system throughput can be kept.

The present invention discloses a WiFi-based method and apparatus for broadcasting, sending and transmitting multiple program video streams. Firstly, a video data stream is corrected, marked, adaptively grouped and interwoven at a multimedia network synthesis processor; then the data stream is encapsulated according to a 802.11 frame format; an encapsulated data packet is determined according to a destination address associated with a broadcast transmit manner, wherein the address is a broadcast address pointing to a subnet; and finally, IP packet data streams of multiple program videos are sent at an address and a port of the broadcast in a broadcasting manner, so that a lot of common user terminal APPs can receive video data transmitted from the broadcasting port. Through adoption of the method, a great deal of users can access the system simultaneously in a limited range, further, high-definition videos can be ensured to be transmitted and played.

A signal detection method for a MIMO-OFDM wireless communication system includes obtaining a channel matrix of each subcarrier for each MIMO-OFDM data packet; receiving a reception vector of each subcarrier; performing MIMO detection for a first OFDM symbol and channel matrix preprocessing to generate a global dynamic K-value table; performing MIMO detection for each subsequent OFDM symbol, the MIMO detection includes: performing the following steps for each subcarrier of a current OFDM symbol: transforming the reception vector of the current subcarrier into a LR search domain; and obtaining a LR domain candidate transmission vector of the current subcarrier, a K-value applied to each search layer of the current subcarrier during the K-best search is a global dynamic K-value in the global dynamic K-value table corresponding to the search layer.

The embodiment of the invention provides a throughput control method and device in system test and electronic equipment. The method comprises the steps: determining an expected step length for executing each request sending action according to the expected throughput of a system, and calculating the random duration based on the time slice length of a central processing unit and an adjustment parameter; obtaining the execution duration of the current request sending action; subtracting the sum of the random duration and the execution duration from the expected step length to obtain the hang-uptime before the next request sending action is executed; and executing the next request sending action when the hang-up time is up, so that the actual throughput of the system in the test process is the same as the expected throughput. According to the embodiment of the invention, the press machine in the system test can stably send out the specified quantity request in unit time, so that the testof the system under the expected throughput is realized.

The present invention provides a fixed quantity supply equipment for inflators which is combined with a heat-treatment equipment for inflators. A bottom portion 22 of an inflator accommodating chamber 20 at a predetermined position is opened by an opening / closing means 30 utilizing pneumatics to cause inflators 40 inside the inflator accommodating chamber to fall naturally. Thereafter, the bottom portion 22 is closed, the bottom portion 22 of the next inflator accommodating chamber 20 is opened to cause inflators 40 inside the same to fall naturally. These actions are repeated to supply the inflators 40 in a constant number.

The invention provides a fresh milk ceramic membrane microfiltration treatment system. The fresh milk ceramic membrane microfiltration treatment system comprises: a balance tank for storing milk; a power module for conveying milk in the system; a ceramic membrane module for carrying out ceramic membrane microfiltration on milk by utilizing a ceramic membrane; a transmembrane pressure difference control module for controlling the concentration side pressure and the permeation side pressure of the ceramic membrane; and a temperature control module for regulating the temperature in the fresh milkceramic membrane microfiltration treatment system.

A fixed quantity supply equipment for inflators is combined with a heat-treatment equipment for inflators. A bottom portion 22 of an inflator accommodating chamber 20 at a predetermined position is opened by an opening / closing means 30 utilizing pneumatics to cause inflators 40 inside the inflator accommodating chamber to fall naturally. Thereafter, the bottom portion 22 is closed, the bottom portion 22 of the next inflator accommodating chamber 20 is opened to cause inflators 40 inside the same to fall naturally. These actions are repeated to supply the inflators 40 in a constant number.

The invention provides a heterogeneous network hybrid routing method and device based on cross-technology communication, and the method comprises the steps: determining a first WiFi node which can directly carry out data exchange with each ZigBee node, and generating a neighbor node information list of each first ZigBee node; acquiring a WiFi node covering an area between the current node and a destination node, and adding the destination node in a neighbor node information list of the current node as a virtual neighbor node; determining alternative next-hop nodes based on historical transmission rates and transmission reliability between the current node and a second ZigBee node adjacent to the current node and between the current node and a first WiFi node corresponding to the current node, and sending ID information of alternative WiFi nodes in the alternative next-hop nodes to the first WiFi node corresponding to the current node; and respectively calculating transmission delays of transmission paths between each alternative WiFi node and the destination node and between each alternative second ZigBee node and the destination node in the neighbor node information list of the current node, and determining a next hop node of the current node based on the minimum transmission delay.

The invention relates to a method based on multi-channel medium access control protocol in an ad hoc network, which is applicable to temporary mobile ad hoc network applications with the requirement of transmitting a large amount of data, as long as each device has a Wi-Fi (wireless-fidelity) network card, the method can be realized. The designed multi-channel medium access control protocol utilizes three non-overlapped physical channels on 2.4GHz frequency band for simultaneously performing data transmission, network time is planned to periodic beacon frame intervals as a whole, and each period is further subdivided to three sub-intervals which are synchronous control interval, multi-channel data transmission interval and beacon period end interval respectively. The synchronous control interval is used for transceiving beacon frames and reserving a channel, an internal node of the multi-channel data transmission interval is switched to the reserved channel for performing data transmission, and the internal node of the beacon period end interval finally stops receiving data of the upper layer and is further switched to a common channel. Practical tests and result analysis show that, compared with the ad hoc network of 802.11 protocol, the multi-channel ad hoc network based on the method can significantly improve the throughput of the network.

The invention discloses a throughput control method and device, equipment and a storage medium. The method comprises the steps of acquiring current log sending starting and ending time of a press machine target thread in a current sending period, and determining current log sending duration according to the current log sending starting and ending time; determining a current timeout condition of the current sending period according to the current log sending time duration in combination with an accumulated timeout value of a previous sending period; and determining the next log sending time of the next sending period according to the current timeout condition, and controlling the target thread to send the next application log at the next log sending time. According to the invention, the accumulated timeout variable is set to record the accumulated sending timeout time before the current sending period, and the actual sleep duration of the local sending period is adjusted, so that the stable maintenance of the throughput of the press machine in the test system within a relatively wide time requirement is realized, and the problem that the throughput of the press machine cannot be stably controlled due to the size difference of application logs in flow playback is solved.

The invention discloses a method, device and system for field-oriented mobile ad hoc network information return transmission. The device is made up of a short distance communication module and a long distance communication module; the system is made up of the device, a data collection end device and a cloud database; ) are randomly aggregated to form a local self-organizing network, and at the same time solve the broadcast communication collision problem. Secondly, different backhaul strategies are adopted according to the business priority of the backhaul information to adapt to the delay requirements of different business priorities. Finally, through The self-organizing network uploads the information uploaded by unconnected members in the same network to the server through other members in the network, realizing multi-path return paths and effectively reducing the return delay of important messages.