A dictionary is built that contains information mapping the original bit strings and their replacements. 这时会建立一个字典,其中包含了映射原始的长字符串与它们的替换值的信息。
When a bit in chao sequences is equal to0, hiding watermark information of the corresponding bit is embedded into Least Significant Bite. 如果混沌序列某一比特位为0,则将对应的加密水印信息嵌入到待嵌入图像信息的最低比特位。
The receive index defines the information start and end based on using the receive information to control byte bit. 接收指令使用接收信息控制字节中的位来定义信息启始和结束。
The benefit exponential model of bit was set up by analyzing a great number of working information of bit. 钻头评价新方法研究为钻头选型开辟了一条新途径。通过对大量钻头使用资料分析,建立了钻头效益指数模型。
This paper introduces a new method to deal with the drilling factors. Result shows that this method can obtain information of formation and bit. 采用近十几年发展起来的非数量因素数量化的方法对这两个因素进行了处理,其结果证明,可以用这种方法有效地提取地层信息和钻头类型信息。
Then by adapting the one-element-operator, the number of information bit increases further to maximum. 然后进一步采用一元运算将信息位数增到最大。
It means that how we can organize and express the geographic space information in the bit world. 数据建模是电子地图制作的前提,是指地理空间信息在计算机二进制数据世界中如何表达与组织。
It divides the signal constellations into the subsets specified by each binary digit, and then maps the soft symbol information to soft bit information by Maximum-A-posteriori Probability ( MAP) algorithm to realize the binary decoding. 它对每个比特划分对应的星座点集合,然后将对应的符号软信息通过MAP算法映射成为比特软信息的方法,从而实现二进制译码。
Finally, the information processing process for BIT of airborne radar is given. 最后给出机载雷达BIT信息处理的流程。
On the basis of statistical information of drill bit data base, serial optimization of drill bits used in well bore was developed with dynamic programming and multi-stage decision making. The calculating method and a computer program were given. 根据钻头数据库统计资料,应用动态规划及多阶段决策理论,建立了全井段钻头序列优化的多阶段决策模型及计算方法,编制了计算机应用程序。
Quantum state is used in quantum information itself as quantum bit rather than probability in other quantum problems. 在量子信息学中人们利用的是量子态本身,其基本任务是量子态的存储、操纵、传输与读出。
A 0.6 kb/ s high quality vocoder was developed to encode phonetic information at very low bit rates. 为满足语音信息存贮和交流对极低速率下语音压缩编码的需求,提出了一种0.6kb/s声码器算法。
Influence on the cover property of network loaded after introducing MUD, as well as influence on wireless cover from difference information bit rate. 在网络引入MUD(多用户检测)后,对有负荷网络的覆盖特性的影响以及不同的信息比特率对无线覆盖的影响。
A method is presented to build the wavelet coefficient set which can embed watermark information. The bit is inserted in the high activity texture regions with the maximum strength of Just Noticeable Distortion ( JND) tolerance of Human Visual System ( HVS). 提出可嵌入水印的小波系数集生成方法,扩展了基于视觉系统(HVS)小波域量化噪声的视觉权重(JND)分析方法,使其适用于DEM数据,并能够自适应地确定水印嵌入的强度。
Then by adapting the one-element-operator, the number of information bit increases further to maximum. The numerical simulation results from startup to maximum power are presented. 给出了某发动机从起动到最大状态全过程的数值模拟结果。
Since information acquirement for BIT equipments in mechatronics systems depends on sensors intensively, the proper sensor selection and configuration are very important, which is aggravated by related factors, such as diversities and complexities of the host mechatronic systems, and operation environment. 机电产品BIT的信息获取主要依靠传感器,由于机电产品的多样性和复杂性以及工作环境的特殊性等因素,传感器的选择和布局至关重要。
After the structure of zero tree for embedded coding is analyzed in detail, the coding information of each bit plane for a zero tree can be obtained simultaneously. 根据内嵌编码的零树结构,指出每一个比特平面的编码信息可以同时获得,从而给出了并行的零树编码结构。
The false alarm of the BIT ( built-in test) based on model in the mechatronics control system is researched. Firstly, the information uncertainty of BIT system and the reason of BIT false alarm are analyzed. 针对基于模型的机电控制系统BIT(built-inTest,机内测试)中的虚警问题,分析系统中的信息不确定性和产生虚警的机理;
This paper proposes a digital watermarking technology, It encrypts the watermarking information with the bit transposition al-gorithm, and carry on singular value decomposition to the original image, and embeds multiple redundant watermarking information. 提出了一种数字水印技术,把水印信息按位置换,对原始图像进行单值分解,并重复嵌入按位置换后的水印信息。
Moreover, the error due to Gaussian approximation becomes significant only for systems with low number of pulses per information bit. 对于每个信息比特有较少的脉冲的系统来说,类高斯噪声所产生的错误就变得非常重要。
( 2,1,7) nonsystematic convolutional codes are optimal convolutional codes on the same code length and information bit length condition, so they are adopted as space standard codes by CCSDS ( Consultative Committee for Space Data Systems). (2,1,7)非系统卷积码在相同的码长和信息长度下为最佳卷积码,因此被CCSDS(空间数据系统咨询委员会)采纳为空间标准码。
The present research at feature level has two main issues. One is absent research of the mechanism of their influences of feature information on the BIT. 目前在特征层降虚警研究方面主要存在两方面的问题:一是缺乏从机理上研究特征层特征信息质量对BIT诊断性能的影响;
In all-optical network, date signals in transmission and switching unit are all optical signals. Switch is no longer on the handling of user information carried by bit, but realized through wavelength routing device. 全光网络以光节点代替电节点,节点之间也是全光化,信号以光的形式进行传输与交换,交换机对用户信息的处理不再按比特进行,而是通过波长选择器件实现路由选择。
Firstly, a compressed domain sub video quality assessment model is created based on the encode information are extracted from bit streams, and the video similarity between the distortion and original videos is calculate. 该方法首先在压缩域提取码流中的编码信息,并利用这些信息建立压缩域视频质量评价子模型,预测失真视频与原始视频的相似度。
Moreover, with the introduction of microwave subcarrier multiplexing, coherent optical communication system is able to accomodate multiple users or multiple information bit stream simultaneously. 本文经过研究及仿真发现:相干光通信系统的性能确实优于非相干光通信系统,而且,通过引入光微波副载波复用方式,可以使相干光通信系统能够同时承载多路用户或者多种信息。
By using the obtained statistics of MIMO channel estimation, MMSE filter and the computation of soft information of coded bit are derived by taking both channel estimation errors and MIMO channel correlation into account. The computational complexity of the proposed schemes is also analyzed. 基于对信道估计统计特性的分析,导出了相关MIMO信道下,分别采用两类信道估计方法的MMSE滤波器,给出了编码后比特软信息的计算方法,并比较了算法的复杂度。
Under the premise of accurately predict the exterior information and the closely bit error rate performance, it simplifies the decoding structure and reduces the number of iterations and iteration delay. 3. 在保证外部信息准确预测、误码率性能相近的前提下,减少了迭代次数和迭代时延,简化了译码结构。
In order to reduce the auxiliary information and the bit error rate in system, the encoding method is applied to the traditional algorithm. 对于传统的SLM算法,论文中增加了编码方式以减少辅助信息,并降低系统误码率。
First, proposed the whole matching algorithm and the overall group matching algorithm for embedding information into a single bit plane, also using the threshold filter and the second group of matching algorithm to resolve the problem of slow running time. 首先提出了在同一位平面嵌入信息的整体匹配算法与分组匹配算法,并利用了阈值筛选和二次分组的方式提高匹配算法的效率。
Thus Software program is requested low information transmission bit error rate, and high real-time transmission. 所以软件编程要求传输指令信息的误码率很低,且要求传输实时性较高。