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- 与 data-base 相关的网络例句 [注:此内容来源于网络,仅供参考]
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A method is provided for encoding and decoding a sequence of digital data, according to which a portion of the sequence of digital data corresponds to a data block that includes several data packets, at least two data packets per data block containing an identifier. The position of the data packet within the corresponding data block can be determined based on the identifier, and the data is encoded or decoded by taking into account the identifier.
本发明给出了一种用于对数字数据序列进行编码和解码的方法,其中该数字数据序列的一部分相当于一个数据块,其中该数据块包含多个数据包,其中每个数据块的至少两个数据包分别包含一个特征标记,其中根据该特征标记确定数据包在所属的数据块中的位置,以及其中在考虑该特征标记的情况下对数据进行编码或解码。
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The method includes establishing one reverse mapping list comprising list items; reading the mapping data recorded in the data block state list item area to the list items during system initialization; checking reverse mapping list and finding the data block in Flash memory during reading some logic block; and writing the updated data into the empty data area of one new data block, writing the mapping data between the new logic block and the new data block into the state list item area and updating the mapping data of the corresponding list item in the reverse mapping list during writing some logic blcok.
包括:建立一个由表项组成的反向映射表,一个表项对应一个逻辑块;在系统初始化过程中,将数据块状态表项区中记录的映射信息,按逻辑块号与表项间的对应关系读取到各表项中;读取某逻辑块时,以其逻辑块号作为表项索引查找反向映射表,定位到表项,根据表项中记录的映射信息,在Flash存储器件中查找到数据块;写入某逻辑块时,将更新数据写入一新数据块的空白数据区中和将该逻辑块与新数据块间的映射信息写入状态表项区中,同时更新反向映射表相应表项的映射信息。
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This invention discloses one data regroup method, which is based on the original independent and redundant RAID system high address to preserve one block disk space as regroup area and to repeat the following steps: a, determining the current regroup data low address and to regroup the data from high address to low address into new RAIN type of data; writing the regroup data from initial address into the new RAID type data; using the current regroup data of low address as the next regroup data high address as the next second initial address of the data.
本发明公开了一种数据重组方法,在原独立冗余磁盘阵列系统高地址侧尾部预留一块磁盘空间作为重组区域,将该预留重组区域的高地址作为写入数据的起始地址,并将原RAID系统中存有数据的高地址作为重组数据的起始高地址;数据重组完之前重复执行以下步骤:确定当前要重组数据的低地址,并将当前要重组数据高地址到低地址之间的数据重组为新RAID类型数据;将重组后的数据从写入数据的起始地址向低地址方向,顺序写入新RAID系统中;当前要重组数据低地址的邻接低地址作为下次要重组数据的高地址,当前写入数据低地址的邻接低地址作为下次写入数据的起始地址。
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The principles are as follows:①preliminary interpretation is carried out on crosswell seismic data in depth domain to establish an accurate velocity model;②sinc interpolating function is used in depth-time conversion to realize waveform fidelity;③the recognition of surface seismic data is utilized to ascertain the reflection characteristics of crosswell seismic data in time domain;④ good spatial continuity of surface seismic data is adopted to retrieve the "hopper" defect in crosswell seismic profiles and the deficiency of lateral contrast between crosswell seismic data;⑤in fine calibration of well-side traces of crosswells and surface seismic data, coincident time-depth relation is used to match two seismic data so as to make the calibration more reasonable;⑥in multi-crosswell seismic data inversion by sparse spike inversion method, lateral restraints are strengthened to ensure the continuity of inversed wave impedance profile.
实现反演的基本原理是:对深度域井间地震资料进行初步解释;建立精确的速度模型;在对井间地震剖面进行深时转换时采用sinc插值函数实现波形保真;利用对地面地震资料的认识来落实时间域井间地震资料的反射特征;利用地面地震资料良好的空间连续性弥补井间地震剖面的"漏斗"缺陷和井间资料之间横向对比性的不足;在井间地震和地面地震井旁道精细标定中,通过一致的时深关系来实现两种地震资料之间的匹配,使井旁道的标定更加合理;在利用稀疏脉冲反演方法进行连井井间地震资料反演时,通过增强横向约束保证反演波阻抗剖面的连续性。
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In order to be able to transmit a variable volume of data, particularly in a single coherent data block, between message transmission planes of telecommunications interfaces of a hybrid telecommunications system with minimal effort within the message transmission planes, if the variable data volume exceeds the maximum data volume which can be transmitted between the same message transmission planes of the telecommunications interfaces, then a data element specific to the transmission layer is used as a function of the varying data volume at least twice in succession for the transmission of the data volume in the data block.
要約 为在混合通信系统中能各自以最小的传输工作量在各通信传输层面中传输混合通信系统各通信接口的通信传输层面之间的一个变化的数据量,尤其当此变化的数据量超过在各通信接口的相同通信传输层面之间最大可传输的数据量时仍能在一个单一的互相关联的数据块中传输此变化的数据量,取决于此变化的数据量至少两次依次地对在数据块中的数据量的传输采用一种传输层面专门的信息元素。
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An information recording disc having a burst cutting area (102) for recording control information for a reproducing apparatus by removing a reflective layer of the disc in a striped shape and a data recording area (104) for recording user data, wherein the burst cutting area (102) includes at least one BCA control information area and the BCA control information area comprises: an application identifier area (106) for identifying applications of control data; a data length area (108) for indicating data length of the control data; and an application specific data area (109) for recording the control data.
一种信息记录盘,具有突发分割区域(102),通过除去条带形的盘的反射层和数据记录区域(104),用于记录再现装置的控制信息,其中,突发分割区域(102)至少包括一个BCA控制信息区域,BCA控制信息区域包括:识别控制数据的应用程序的应用程序识别符区域(106);指示控制数据的数据长度的数据长度区域(108);记录控制数据的应用程序特殊数据区域(109)。
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The digital signature is some data that attachment on data units, perhaps password transformation which does to the data unit, this kind of data or the transformation permission data unit receive with by confirmed the data unit the origin and the data unit integrity and the protection data, prevented is carried on by the human fabricates.
数字签名[5]是附加在数据单元上的一些数据,或是对数据单元所作的密码变换,这种数据或变换允许数据单元的接收者用以确认数据单元的来源和数据单元的完整性并保护数据,防止被人进行伪造。
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The main features of this paper is: nothing to do with the platform, this system can be compatible with the majority of software and hardware used by the platform, as well as various database platform, shielding the differences of hardware and software platform such as network, operating systems, databases, application systems and so on, so that enterprises and institutions could achieve seamless, transparent data exchange through data exchange system; Java technology used to develop the system transplantability; using data exchange center to achieve centralized data processing, different data format conversion, increased system scalability; from data transmission, authentication, access control, encryption and more news content log-class areas enhanced data exchange system security; using DES and RSA algorithm , increased the confidentiality of data transmission; create WrapperTimer category achieved data transmission timing implementation and reduce the dependence on artificial.
设计的系统与平台无关,能兼容企业所用的大多数软硬件平台,以及各种数据库平台,屏蔽网络、操作系统、数据库、应用系统等软硬平台的差异,使企事业单位通过数据交换系统实现无缝的、透明的交换数据;采用数据交换中心来实现数据的集中处理、不同数据格式的转换,增加了系统的可扩展性;从数据传输、身份认证、权限控制、消息内容加密和多级日志等多方面增强数据交换系统的安全性;用DES和RSA算法对XML文件或XML文件中的元素进行加密,增加传输数据的保密性;创建WrapperTimer类实现了数据传输的定时执行,降低了对人工的依赖性。
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MAX1999EEI Pinout: 8- to 32-bit and 16- to 32-bit word packing options Programmable wait state options: 2 to 31 CCLK Digital audio interface includes six serial ports, two pre- cision clock generators, an input data port, three programmable timers and a signal routing unit Serial ports provide: Six dual data line serial ports that operate at up to 50 Mbits/s for a 200 MHz core on each data line each has a clock, frame sync, and two data lines that can be configured as either a receiver or transmitter pair Left-justified sample pair and I2S support, programmable direction for up to 24 simultaneous receive or transmit channels using two I2S compatible stereo devices per serial port TDM support for telecommunications interfaces including 128 TDM channel support for telephony interfaces such as H.100/H.110 Up to 12 TDM stream support, each with 128 channels per frame Companding selection on a per channel basis in TDM mode Input data port provides an additional input path to the DSP core configurable as either eight channels of I2S or serial data or as seven channels plus a single 20-bit wide syn- chronous parallel data acquisition port Supports receive audio channel data in I2S, left-justified sample pair, or right-justified mode Signal routing unit provides configurable and flexible connections between all DAI components, six serial ports, an input data port, two precision clock generators, three timers, 10 interrupts, six flag inputs, six flag outputs, and 20 SRU I/O pins Serial peripheral interface Master or slave serial boot through SPI Full-duplex operation Master-slave mode multimaster support Open drain outputs Programmable baud rates, clock polarities, and phases 3 Muxed Flag/IRQ lines 1 Muxed Flag/Timer expired line ROM based security features: JTAG access to memory permitted with a 64-bit key Protected memory regions that can be assigned to limit access under program control to sensitive code PLL has a wide variety of software and hardware multi- plier/divider ratios JTAG background telemetry for enhanced emulation features IEEE 1149.1 JTAG standard test access port and on-chip emulation Dual voltage: 3.3 V I/O, 1.2 V core Available in 136-ball BGA and 144-lead LQFP packages Lead free packages are also available
MAX1999EEI引脚说明: 8 - 32位和16 - 32位字包装选择可编程等待状态的选择:2至31个CCLK数字音频接口包括6个串行端口,两个前643时钟发生器,输入数据端口, 3可编程定时器和一个信号路由单元串行端口提供:六双串口数据线,在高达50 Mbps的操作/为200兆赫的每个数据行每个人都有一个时钟,帧同步的核心秒,和两个数据可以作为任何一个接收器或发射器对左对齐和I2S配对样本的支持下,最多可同时接收或传送24个频道,每使用两个系列的I2S兼容立体声设备配置可编程方向线;港口的TDM通信接口,包括支持128个电话接口的TDM的渠道,如H.100/H.110支持多达12个的TDM流的支持下,每帧128个频道每个压缩扩展每通道的基础上选择在TDM模式输入数据端口提供了一个额外的输入路径的DSP核心配置为I2S或串行数据或7加一个20位宽的SYN -异步的并行数据采集接口通道或8通道;支持接收通道I2S音频数据,左对齐样本对,或右对齐模式信号路由单元组件之间提供所有戴配置和灵活的连接,6个串行端口,一个输入数据端口,两个精密时钟发生器,3个定时器,10个中断,六旗投入,产出6个旗,20曼谷南南区域股的I / O管脚串行外设接口的硕士或奴隶通过SPI串行启动全双工运作主从模式多主机支持开漏输出可编程波特率,时钟极性和第三期合并调制旗/ IRQ线路1合并调制旗/定时器过期线光盘的防伪特征:JTAG的访问与64位受保护的关键允许内存内存可分配给程序访问控制的限制下对敏感地区有一个代码锁相环/遥测分比率为背景的JTAG仿真功能增强的IEEE 1149.1 JTAG标准测试访问端口的软件和硬件多钳各种各样和片上仿真双电压:3.3六/输出,可在1.2 V核心136球BGA封装和144引脚LQFP封装无铅封装,也可
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TDA4864 Pinout: 8- to 32-bit and 16- to 32-bit word packing options Programmable wait state options: 2 to 31 CCLK Digital audio interface includes six serial ports, two pre- cision clock generators, an input data port, three programmable timers and a signal routing unit Serial ports provide: Six dual data line serial ports that operate at up to 50 Mbits/s for a 200 MHz core on each data line each has a clock, frame sync, and two data lines that can be configured as either a receiver or transmitter pair Left-justified sample pair and I2S support, programmable direction for up to 24 simultaneous receive or transmit channels using two I2S compatible stereo devices per serial port TDM support for telecommunications interfaces including 128 TDM channel support for telephony interfaces such as H.100/H.110 Up to 12 TDM stream support, each with 128 channels per frame Companding selection on a per channel basis in TDM mode Input data port provides an additional input path to the DSP core configurable as either eight channels of I2S or serial data or as seven channels plus a single 20-bit wide syn- chronous parallel data acquisition port Supports receive audio channel data in I2S, left-justified sample pair, or right-justified mode Signal routing unit provides configurable and flexible connections between all DAI components, six serial ports, an input data port, two precision clock generators, three timers, 10 interrupts, six flag inputs, six flag outputs, and 20 SRU I/O pins Serial peripheral interface Master or slave serial boot through SPI Full-duplex operation Master-slave mode multimaster support Open drain outputs Programmable baud rates, clock polarities, and phases 3 Muxed Flag/IRQ lines 1 Muxed Flag/Timer expired line ROM based security features: JTAG access to memory permitted with a 64-bit key Protected memory regions that can be assigned to limit access under program control to sensitive code PLL has a wide variety of software and hardware multi- plier/divider ratios JTAG background telemetry for enhanced emulation features IEEE 1149.1 JTAG standard test access port and on-chip emulation Dual voltage: 3.3 V I/O, 1.2 V core Available in 136-ball BGA and 144-lead LQFP packages Lead free packages are also available
TDA4864引脚说明: 8 - 32位和16 - 32位字包装选择可编程等待状态的选择:2至31个CCLK数字音频接口包括6个串行端口,两个前643时钟发生器,输入数据端口, 3可编程定时器和一个信号路由单元串行端口提供:六双串口数据线,在高达50 Mbps的操作/为200兆赫的每个数据行每个人都有一个时钟,帧同步的核心秒,和两个数据可以作为任何一个接收器或发射器对左对齐和I2S样本对支持,最多可同时接收或传送24个频道,每使用两个系列的I2S兼容立体声设备配置可编程方向线;港口的TDM通信接口,包括支持128个电话接口的TDM的渠道,如H.100/H.110支持多达12个的TDM流的支持下,每帧128个频道每个压缩扩展每通道的基础上选择在TDM模式输入数据端口提供了一个额外的输入路径的DSP核心配置为I2S或串行数据或7加一个20位宽的SYN -异步的并行数据采集接口通道或8通道;支持接收通道I2S音频数据,左对齐样本对,或右对齐模式信号路由单元组件之间提供所有戴配置和灵活的连接,6个串行端口,一个输入数据端口,两个精密时钟发生器,3个定时器,10个中断,六旗投入,产出6个旗,20曼谷南南区域股的I / O管脚串行外设接口的硕士或奴隶通过SPI串行启动全双工运作主从模式多主机支持开漏输出可编程波特率,时钟极性和第三期合并调制旗/ IRQ线路1合并调制旗/定时器过期线光盘的防伪特征:JTAG的访问与64位受保护的关键允许内存内存可分配给程序访问控制的限制下对敏感地区有一个代码锁相环/分比率背景遥测的JTAG仿真功能增强的IEEE 1149.1 JTAG标准测试访问端口软件和硬件多钳各种各样和片上仿真双电压:3.3六/输出,可在1.2 V核心136球BGA封装和144引脚LQFP封装无铅封装,也可
- 推荐网络例句
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The split between the two groups can hardly be papered over.
这两个团体间的分歧难以掩饰。
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This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.
这种做法不仅鼓励了更多的反应,而且减少跟风的可能性。
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The new PS20 solar power tower collected sunlight through mirrors known as "heliostats" to produce steam that is converted into electricity by a turbine in Sanlucar la Mayor, Spain, Wednesday.
聚光:照片上是建在西班牙桑路卡拉马尤城的一座新型PS20塔式太阳能电站。被称为&日光反射装置&的镜子将太阳光反射到主塔,然后用聚集的热量产生蒸汽进而通过涡轮机转化为电力