DWT

In this paper, according to the DWT technique, two new detection and restoration techniques are proposed.

在这篇论文中, 植基于离散小波转换技术, 提出两个新的影像窜改侦测还原之技术.

Analysis on Navigation Channel Process inside the Basin of 1000 dwt Coal Terminal in Huanghua Port

黄骅港千吨级煤码头港池内航道演变浅析

Installation technique for main drainage pump in 300 000 dwt dry dock

浅谈30万吨级干船坞主排水泵安装工艺

Shanghai Qiuxing Shipyard built and delivered three 13600 DWT product chemical tanker to KIL shipping of Denmark.

上海求新造船厂为丹麦KIL航运公司建造了3艘13600DWT成品油/化学品船.

Retrofit Technology of 4000 dwt-class Bulk Liquid Asphalt Carrier of COSCO

中远4000DWT级散装沥青船改建技术

A digital DWT watermarking algorithm based on PIFS is presented in the paper.

本文提出了一种基于分块迭代函数系(PIFS)的小波域水印算法.

According to the plan , the intending shipbuilding scale will reach 5 million DWT annually.

远景最终形成约合500万吨载重吨的海洋装备制造能力.

Design of the 200,000 DWT Specialized Ore Terminal of Qingdao Port

青岛港20万吨级矿石专用码头设计简介

Qinhuangdao 150 000 DWT FPSO is an offshore structure designed for special sea area and is of shallow draft and fat hull ship type.

秦皇岛15万吨级FPSO是用于特定海域的海洋结构物，其为浅吃水、肥大型船。

The design of the power plant of the 12000 DWT river/ sea through cargo ship

12000吨江海直达货船动力装置设计中的几个问题

The embedding process is completed in DWT domain by exploiting the characteristics of HVS.

该算法利用人类视觉系统(HVS)的特征在离散小波变换(DWT)域中来嵌入水印.

Maintenance for Concrete Structure of 100000 DWT Coal Terminal, Rizhao Port

日照港10万吨煤码头混凝土结构维修

The Production Design of 4 990 DWT Crude Oil Tanker

4990载重吨原油船的生产设计

In this paper, a novel fragile watermarking scheme based on HVS in DWT domain is proposed.

基于小波变换,结合量化调制过程,论文提出了一种易损水印算法.

For DWT coefficients of the same scale, correlation analysis and spectral analysis are taken separately.

对于同一尺度下的DWT系数，分别进行了相关性分析和谱分析；

Research on the performance and the model test of 4990 DWT crude oil tanker

4990载重吨原油轮快速性研究及船模试验

The real-time DWT image coding requires huge computations, and therefore heavy hardware.

然而, 实时 小波变换图象编码需要大量的数据操作,必须用专用的硬件来实现.

DWT error derived from the nonlinearity of ADC is discussed.

主要讨论了模数转换器(ADC)非线性对DWT带来的误差.

The Launching Experiment Research of Longitudinal Slipway for 159, 000 DWT Crude Oil Tanker

159000t油轮纵向船台下水试验研究

However, it performs a little worse compared to the conventional Discrete Wavelet Transform ( DWT ) for lossy compression.

而在有损压缩方面, 其效果通常稍逊于传统的离散小波变换(DWT ).

Brief Introduction on Information of Database of Automatic System of 50000 DWT Semi-Submersible Heavy Lift Vessel

50000DWT半潜船自动化系统数据库信息编制简介

This article proposed a blind digital audio watermarking algorithm based on the DWT.

提出了一种基于离散小波变换的数字音频水印盲检测算法.

The paper mainly tell about the comparison of DCT and DWT in the image manipulation.

文中主要提出DCT与DWT的比较，以及基于DCT与小波变换在图像中的性能比较。

In this paper, the author summarizes comprehensively the production design of 4 990 DWT crude oil tanker, including design management, deepening of design, general arrangement, CAD, application of new technology and the spot management of technique, etc.

从设计管理、深化生产设计、全船综合布置、计算机辅助设计、新工艺应用及现场技术管理等几个方面，较全面地总结了作者对4990DWT原油船的工艺设计工作。

DWT is testified to be a new effective way in analyzing the echolocation signals of bats.

因此,小波分析是分析蝙蝠回声定位叫声的一种有效的新途径,有其广泛的应用价值.

Research Analysis of Ship Operation Simulation Test in Channel of 300, 000 DWT Crude Oil Wharf of Rizhao Port

日照港30万吨级原油码头航道船舶操纵模拟试验研究分析

150 000 DWT crude oil tanker midship section optimum seeking

150000DWT油船中剖面结构优化

Summarize of General Design of 50000 DWT Semi-Submersible Heavy Lift Vessel

50000DWT半潜船总体设计综述

A technical and economic comparison is carried out to the three construction schemes of caisson jointing construction over water for the 100,000 dwt berth in the Coal Terminal Phase-4 Project of Qinhuangdao Port, based on which the most optimized construction scheme was determined.

文章就秦皇岛港煤码头四期工程10万吨级泊位沉箱水上接高的三种施工方案进行了技术、经济等方面比较，确定最优的施工方案。

A scheme of digital watermarking using the combination of DWT and FICA is proposed.

提出了一种结合离散小波变换(DWT)和快速独立分量分析(FICA)的图像数字水印方法.