33results about How to "Improve resource reuse rate" patented technology

The invention discloses equipment for single track tunnel inverted arch construction, and relates to the technical field of inverted arch construction. The equipment for single track tunnel inverted arch construction comprises a horizontal stabilizing fixing bottom plate and vertical connecting supporting columns, the two sides of the top of the horizontal stabilizing fixing bottom plate are fixedly connected with the bottom ends of the vertical connecting supporting columns separately, and a horizontal stabilizing top plate is fixedly connected to the top ends, far away from the horizontal stabilizing fixing bottom plate, of the vertical connecting supporting columns. According to the equipment for single track tunnel inverted arch construction, rolling wheels can be driven to automatically move or move on the track surface under rotation of an auxiliary motor, therefore, the purpose that maintaining liquid is stirred on the working face on the site is achieved, the functionality of the maintaining liquid is effectively improved through newly-blended mixed curing liquid, the problems of nonuniformity and low efficiency in an manual on-site blending method are avoided, the curing effect is greatly enhanced, the using function of a curing rack is effectively guaranteed, and the safety of the curing rack is improved.

Embodiments of the invention provide a physical layer circuit. The physical layer circuit comprises a first circuit and M second circuits. The first circuit is used for processing a first data block stream to obtain a first data stream, and distributing the first data stream to N1 second circuits in the M second circuits. The N1 second circuits are used for processing the received first data stream to obtain N1 first code streams. The N1 second circuits are in one-to-one correspondence with the N1 first code streams. According to the technical scheme provided by the embodiment of the invention, the requirements for complex bandwidth configuration can be met, and the application scene is expanded.

The present invention discloses a fracturing flowback fluid pretreatment agent and a pretreatment method for preparing drilling fluid. composition, wherein the parts by weight of each component are: hardness remover 3-10 parts, foam inhibitor 0.2-3 parts, bactericide 0.5-4 parts, pH adjuster 1-5 parts, high-valent ion shielding agent 0.2-2 parts , in which the weight ratio of pretreatment agent to fracturing flowback fluid is 1:70~110. The invention is easy to operate and low in processing cost, and is especially suitable for the drilling and test integration operation site of large well groups in Changqing tight oil and gas field. The bacterial content is effectively controlled, which can avoid the degradation, fermentation and failure of the prepared drilling fluid additives due to high bacterial content, which seriously affects the stability of the drilling fluid system.

The present disclosure provides a data processing method, device, medium and electronic equipment. The method includes: receiving a request message through a port of the first short connection; parsing the request message to obtain a database instruction; judging whether the resource pool includes a database long connection associated with the database instruction; if so, then according to the The database instruction and the database long connection obtain the first data result; if not, then establish a database long connection associated with the database instruction, and obtain the first data result according to the database instruction and the database long connection ; Wherein, the database persistent connection is a channel for exchanging data with multiple databases. The present disclosure realizes idempotent processing, and is suitable for short connection requirements under the FaaS architecture. It reduces the number of long database connections and improves the resource reuse rate. Flexible scalability enables users to realize the expansion and contraction of underlying resources without awareness.

The present invention relates to the field of wireless network communication, in particular, to a channel resource allocation method in a high-density wireless network; the method divides a channel into multiple sub-channels, namely resource units; and divides the channel into multiple stages, including uplink Random access stage and uplink resource allocation stage; in the uplink random access stage, the present invention reduces the number of competing sites in the network, that is, reduces the network density to reduce conflicts, and adjusts the optimal RU throughput by maximizing the uplink random access process. Compete for window values ​​to improve MAC efficiency. In the stage of uplink resource allocation, by constructing the largest independent set, the efficiency of uplink resource allocation is greatly improved, so that as many D2D link pairs as possible can reuse RU resources, and the channel resource reuse rate is greatly improved. During the uplink data transmission phase, the station and the D2D link pair can implement conflict-free data transmission on their allocated RU resources, thereby improving channel utilization and system throughput.

The invention discloses a demodulator fusion realization architecture of a nationwide standard digital television terrestrial broadcast receiver, which comprises a analog-to-digital conversion module, a midfrequency processing module, a PN data separation module, a blind mode detection module, a channel estimate module, an interference cancellation module, a first general time-frequency transformation processing module, a second general time-frequency transformation processing module and a frequency-domain equalizing module; signals after frequency-domain equalizing are controlled by a first select switch to be input to a multicarrier transformation processing module so as to form frequency-domain multicarrier signals meeting the multicarrier standards, and then enter a QAM demodulation and channel decoding module by a second select switch; or the signals after frequency-domain equalizing are controlled by the first select switch to be input to a third general time-frequency transformation processing module so as to form time-domain single carrier signals meeting the single carrier standards, and then enter the QAM demodulation and channel decoding module by the second select switch to form MPEG TS code stream finally. The demodulator fusion realization architecture not only can realize the fusion of the single carrier and the multicarrier, but also has high resource reusability and low realization complexity.

A blockchain traceability system, method, computer equipment, and computer-readable storage medium. The blockchain traceability system includes: a basic chain system; a consensus module; on-chain data; off-chain data; a multi-protocol interface; and an encryption module. Compared with the existing technology, the blockchain traceability system provided by this application uses the blockchain system of state chain + off-chain data, which reduces the data scale on the chain and reduces the redundancy of system data; improves the POA consensus and invents dynamic The POA consensus improves the flexibility, security and processing efficiency of the consensus; the concept of on-chain data verification is proposed, and the complete data on-chain in the traceability system is changed to the verification data on-chain; the integrated module that supports multiple data protocol interfaces, It is easy to access the original traceability systems of various independent traceability participants, which improves the resource reuse rate; maintains the basic characteristics of the blockchain that cannot / difficult to be tampered with, and has a high degree of transparency.

The present invention discloses a resource scheduling method based on time-division long-term evolution TD-LTE ad hoc network. The method constructs an ad-hoc network based on time-division long-term evolution TD-LTE and utilizes the method of maximum transmission set to allocate sending nodes and receiving nodes , using the forbidden channel set method for fixed channel allocation, and supplementary allocation of dynamic resource blocks on the basis of fixed allocation. The advantages of the present invention are: using the air interface technology of Long Term Evolution TD-LTE, allowing the ad hoc network to inherit the mature physical layer of TD-LTE, and performing fixed resource allocation according to the characteristics of the TD-LTE physical layer, While improving the multiplexing rate of time slots and channels, a large amount of control message overhead is saved, and dynamic reservation allocation is performed to further improve resource utilization.

The invention discloses a multisource internet resource device based on meta search engine, and a method thereof. The device is provided with a user unit, an overlay network unit, a search unit and a downloading unit, all the units or software are deployed at the client terminal to complete all the downloading operation at the client terminal so as to weaken dependence of existing downloading devices on central server or multimedia search database, and fully utilize development of meta search engine to perform downloading application of internet. The device fully utilizes meta search engine of internet to position and discover file source address, performs multi-address search of the same resource to a target file, and perform parallel downloading and merging to the target resource by themultisource downloading technology, thus utilizing development of various search engines, improving accuracy of search results, and providing more fast and stable downloading service by utilizing themultisource downloading technology. Moreover, the resource addresses and search are set based on users, thus meeting personalized demand of users.

The invention discloses a MAPSK self-adaptive demodulating system based on characteristics of MAPSK signals and combined with a self-adaptive data transmission frame structure. A self-adaptive signal demodulation processing flow includes the steps of descriptor header capture, bit synchronization, conversion of a rectangular coordinate system into a polar coordinate system, estimation on initial frequency offset and phase offset, RM decoding, carrier tracking, gain control, software decoding mapping, burst type solution and frame synchronization. The step of bit synchronization includes the processes of bit timing offset estimation and trigonometric function interpolation. According to the MAPSK self-adaptive demodulating system, general design for burst self-adaptive demodulation on signals with variable rates (2-45Mbps) and various modulation modes (QPSK, 8PSK and 16APSK) is achieved. The MAPSK self-adaptive demodulating system solves the problem of serious rain attenuation in wireless transmission in the Ku / Ka frequency band through a satellite, and achieves the purpose of meeting different data transmission demands of various types of communication terminals and the purpose of meeting the demand for anti-interference communication of communication satellite systems.

The invention discloses a device for invert construction of a single-line tunnel, which comprises a horizontally stable fixed base plate and a vertically connected support column, and both sides of the top of the horizontally stable fixed base plate are fixedly connected to the bottom ends of the vertically connected support column , the top end of the vertically connected support column away from the horizontally stable fixed bottom plate is fixedly connected with a horizontally stable top plate. The present invention relates to the technical field of inverted arch construction. The equipment used for single-line tunnel inverted arch construction enables the device to drive the rolling wheel to move on its own or on the track surface under the rotation of the auxiliary motor, thereby realizing the on-site stirring of the maintenance liquid on the working surface, and the new mixed maintenance liquid is effective. It greatly improves the functionality of the maintenance liquid, avoids the problems of unevenness and low efficiency of manual on-site modulation, greatly enhances the maintenance effect, effectively guarantees the use function of the maintenance bench, and improves the safety of the maintenance bench sex.