327results about How to "Reduce performance degradation" patented technology

The invention provides a hybrid storage system which comprises at least one solid-state hard disc SSD (solid state drive), at least one mechanical hard disc and a control module, wherein the control module is used for migrating hot spot data blocks in the mechanical hard disc into the SSD, and migrating the non-hot spot data blocks in the SSD into the mechanical hard disc, the hot spot data blocks are data blocks of which the visited frequency is higher than that of other data blocks, and the non hot spot data blocks are data blocks of which the visited frequency is lower than that of others. According to the hybrid storage system and the hot spot data block migration method, provided by the invention, the utilization ratio of the SSD and the performance of the hybrid storage system are effectively enhanced, and meanwhile, the cost of the hybrid storage system is lowered.

Provided is an apparatus and method that can suppress deterioration in performance by scaling soft decision values for iterative detection and decoding in a Multi-Input Multi-Output (MIMO) system. The apparatus performs Iterative Detection and Decoding (IDD) and includes a detector for detecting signals received through antennas to thereby generate a first soft decision value, a decoder for decoding the first soft decision value generated in the detector to thereby produce a second soft decision value, and a scaling unit for scaling the second soft decision value based on a scaling vector, when the second soft decision value is iteratively detected and decoded.

A vehicular lockup clutch-equipped transmission control apparatus is applied to a vehicle that includes a heater apparatus for heating a cabin by heat from an engine, a transmission that transfers power between the engine and a wheel, and a heat exchanger that conducts heat exchange between the engine and the transmission. The control apparatus controls a lockup clutch that is disposed between the engine and the transmission and that mechanically connects and disconnects a path of power, in accordance with a state of operation of the vehicle. The control apparatus includes a controller that determines whether a heating capability requested of the heater apparatus is at least a first predetermined level based on a parameter related to a temperature inside the cabin. If it is determined that the heating capability requested of the heater apparatus is at least the first predetermined level, the controller restricts engagement of the lockup clutch.

There is provided a touch-sensor-embedded display panel with reduced decrease in aperture ratio and reduced increase in frame area, with lowered power consumption and improved operation performance.

A driving pixel (21) is constituted by: a thin film transistor (T1); a pixel electrode (Epix1); a driving common electrode (COM1); and a liquid crystal capacitance (Clc1) which is formed between the pixel electrode (Epix1) and the driving common electrode (COM1). A sensing pixel (22) is constituted by a thin film transistor (T2), a pixel electrode (Epix2), a sensing common electrode (COM2), and a liquid crystal capacitance (Clc2) which is formed between the pixel electrode (Epix2) and the sensing common electrode (COM2). Neither the driving pixel (21) nor the sensing pixel (22) include an auxiliary capacitance. The thin film transistors (T1, T2) have their channel layers formed of IGZO.

A solid state drive (SSD) device includes a plurality of nonvolatile memory devices and a SSD controller. The SSD controller is configured to allocate a resource of the SSD device based on workloads of a plurality of streams and to control operations of the nonvolatile memory devices. Accordingly, the resources of the SSD device are adjusted according to the workloads of the streams so that the SSD device may support a multi stream system with reducing performance deterioration.

The invention discloses a method and a device for transmitting channel measurement pilot frequency, which are applicable to channel measurement pilot frequency in an LTE-A (Long Term Evolution-Advanced) system and are used for solving the problem on transmitting channel measurement pilot frequency in the LTE-A system. The mapping pattern of the pilot frequency of an original antenna port of an R8 protocol version system in two first symbols of each subframe is ensured to be unchanged by calculating the control symbols occupied by all users and sending the channel measurement pilot frequency on redundant control symbols, R8 users are compatible, and the influence on R8 protocol version users is small. The channel measurement pilot frequency provides pilot frequency information required by high-order MIMO (Multiple Input Multiple Output) and COMP (Coordinated Multi-Point), so that LTE-A users can improve single-link quality conveniently. The total number of the channel measurement pilot frequency is small, so that the expense of the pilot frequency is reduced. The channel measurement pilot frequency full bandwidth is sent in all redundant antenna ports, the measurement information of all bandwidth and all antenna ports of channel measurement can be ensured, and the throughput of the LET-A system is increased.

The invention discloses a method and a device for managing an information array. The method comprises the following steps: step S102, setting one or a plurality of thresholds of information in the information array; step S104, receiving a priority level of an information receiving task in the information array according to adjustment of the thresholds. By adopting the invention, the success ratio of sending information can be improved so that the performance of the system cannot be reduced due to information resending; response timeover is reduced so as to improve the response speed of the system and the information processing ability of embedded system information.

After charging liquid to square shaped lithium ion secondary battery, the method does not close down charge opening directly, instead charges up the battery in small current for a certain time. Next, the battery is placed in vacuum chamber, which is vacuumized to negative pressure; the negative pressure is maintained for a period of time; then, pressure is released. The said step is repeated for one or two times. The vacuum chamber is vacuumized to negative pressure again, and then the negative pressure is maintained for a period of time. Under condition of the negative pressure, the charge opening is closed down. The method lightens issue of battery ballooning caused by charging procedure as well as issue of lowered battery performance caused by battery ballooning.

The application provides an RC oscillator, including a reference voltage generation unit used for generating a reference voltage; a voltage control relaxation oscillation unit including a first constant current source and a first charge-discharge loop and a second charge-discharge loop, wherein the first constant current source is used for alternately charging the first charge-discharge loop to generate a first oscillation signal or a second oscillation signal, the first oscillation signal and the second oscillation signal are superposed to obtain a third oscillation signal, and the first charge-discharge loop and the second charge-discharge loop are symmetrical in structure; an active filter unit used for integrating the reference voltage and the third oscillation signal to obtain a fourth signal; and a voltage control unit used for comparing the fourth signal and the first oscillation signal to generate a fifth signal, or comparing the fourth signal and the second oscillation signal to generate a sixth signal.

The invention relates to an auxiliary product for metallurgy used for continuous casting of titanium-containing stainless steel in the metallurgy field, which is mainly applied in the mould powder technique of pre-melted crystallization mould of continuous casting for high titanium containing stainless steel. The materials of the invention comprise: specific used pre-melted base materials containing boron, flux materials, carbonaceous materials and additives; wherein, the flux materials comprise Li2CO3, Na2CO3, NaF, etc. The invention is characterized by good performance of accommodating and adsorbing titanium inclusion under the condition of meeting requirements for adding no carbon and reducing regrinding of traditional stainless steel; besides, after absorption of inclusion, the viscosity properties and solidification properties of the mould powder can be kept relatively stable, and compared with the import slag, the invention has the advantages of lower caking bleeding rate, casting billet with less surface defect, high anterograde of processing. Besides, the production of the invention has little slag strip; reaction in the crystallization mould is active; spreading property is good.

The invention discloses a time-domain parallel digital demodulation system, comprising a time-domain parallel sampling rate conversion module, a parallel matched filter module, a parallel clock recovery module, a time-domain parallel carrier recovery module and a differential decoding module, wherein the time-domain parallel sampling rate conversion module is used for converting the sampling rateof a sampling digital signal obtained by a high speed A/D converter, the parallel matched filter module is used for matched filtering the signal after sampling rate conversion, the parallel clock recovery module is used for carrying out timing recovery and re-sampling on the modulating signal after matched filtering, the time-domain parallel carrier recovery module is used for recovering the phasedifference and the frequency difference of the signal output by the parallel clock recovery module, and the differential decoding module is used for differential decoding the signal which is output by the time-domain parallel carrier recovery module and has phase ambiguity. The technical scheme of the invention can realize universal receiving demodulation with variable data rate and low cost, thus completing digital demodulation reaching up to 1200Mbps.

The invention discloses a mapping method of a channel measurement pilot frequency and a physical resource block, which are applied in an advanced long-term evolution system, and comprises the following step that: the base station is provided with one or a plurality of antenna ports adopting a common pilot frequency specified in the long-term evolution system to be as the channel measurement pilot frequency, and is provided with the channel measure pilot frequencies of other antenna parts to avoid the mapping positions of the common pilot frequency and downlink dedicated pilot frequency in the long-term evolution system. The invention can save system overhead, and can not cause large influence on performance of the user of the long-term evolution system.

The embodiment of the invention discloses a display panel and a display device, relates to technical field of display, and aims to prevent light rays reflected by a block matrix from being irradiated onto the active layer of a thin film transistor in order to delay the performance deterioration of the thin film transistor and ensure the display quality. The display panel comprises the thin film transistor and the black matrix which are arranged oppositely, a grid line and a data line, wherein the thin film transistor comprises a grid electrode, a source electrode, a drain electrode and an active layer; the grid electrode is positioned on one side, which is far away from the black matrix, of the active layer; the source electrode and the drain electrode are positioned on one side, which is close to the black matrix, of the active layer; the source electrode is positioned between the drain electrode and the grid line; the side edge, which faces away from the grid electrode, of the grid line is taken as a first edge; the source electrode is close to the drain electrode, and the side edge, which is parallel to the grid line, of the source electrode is taken as a second edge; the distance between the first edge and the second edge is greater than or equal to a preset distance D, so that light rays entering from one side of the thin film transistor are prevented from being irradiated onto the surface of the active layer after being reflected by the black matrix. The display panel is applied to manufacturing of the display device.