提出了一种基于自适应四叉树分形编码的数字水印技术。
This article introduces a digital watermarking technology based on adaptive quadtree fractal coding.
提出的第二种新计划是基于DCT域的一种自适应数字图像水印技术的计划。
The second new scheme is a adaptive watermarking techniques for digital images based on DCT domain.
基于特征分解谱分析技术,提出并研究了在雷达中自适应抑制窄带数字通信信号干扰的方法。
An adaptive method applying eigenvalue decomposition-based spectrum analysis technique to narrow-band digital communication interference suppression in radar is proposed and studied.
由于这两个问题的相对独立性,因此在数字地面电视标准确定之前,研究“自适应预失真”技术则很有必要。
Because of the independence of the two problems, before determining the Terrestrial digital TV criterion, we must study the adaptive predistortion technology.
本文重点研究智能天线系统的关键技术之一——自适应数字波束形成(DBF)算法在DS - CD MA移动通信系统中的应用。
This thesis places emphasis on one of the key techniques of smart antenna - adaptive digital beam forming (DBF) algorithm and its applications in the DS-CDMA mobile telecommunications systems.
自适应数字预失真是补偿高功率放大器非线性的一种有效技术。
Adaptive digital predistortion is an effective technique which compensate nonlinear distortion introduced by the high power amplifier (HPA).
本文主要完成数字化业务中的一项——高频自适应中实时信道估值技术(RTCE)的实现。
This paper mainly fulfills realizing the real Time Channel Estimate (RTCE) Technology of adaptive High-Frequency (HF), which is one of the digital businesses.
主动噪声控制是集声学、自适应控制及数字信号处理等技术为一体的高新技术,已成为国内外噪声控制界的研究热点。
Active noise control (ANC) is a new high technology integrated with acoustic, adaptive control and digital signal process and it has become the research focus center of noise control.
自适应技术已经被广泛应用于数字通信、雷达、声纳、地震学、导航系统、生物医学和工业控制等领域。
The adaptive is widely used in the fields of digital communication, radar, sonar, earthquake, navigation, bio-medication, industry control and so on.
本文主要研究数字接收机中信号检测及自适应门限设定技术。
The thesis is mainly to study the signal detection and adaptive threshold technique in digital receiver.
自适应数字波束形成技术是现代阵列天线系统必须采用的关键技术。
Adaptive digital beamforming is a key technique which is must adopted in modern array antenna systems.
探讨了基于DEM的VLL物方影像匹配方法、多尺度表达的数字高程模型,以及自适应窗口大小和变化阈值的确定等用于三维变化检测的关键技术。
And many key techniques such as VLL matching, multi-scale DEM, self-adapted matching window and thresholds for the framework are discussed and investigated deeply.
结合加密技术与图像处理算法,提出了一种类似于公开密钥体制的基于分块dct变换的数字图像自适应水印算法。
In this paper, a block based adaptive watermarking technique in DCT domain that is similar to the public key system is proposed in light of the cryptography technique and image processing technique.
介绍了采用置频等待、数字本振及微处理机技术实现非相参捷变频自适应雷达频率控制的方法。
This paper introduces a method to realize frequency control of a noncoherent frequency-agility adaptive radar by using frequency setting and waiting, digital local oscillator and micro-processor.
采用数字信号处理技术能够方便地实现各种先进的自适应算法,完成模拟电路无法实现的功能。
Using the DSP technology can achieve a variety of advanced adaptive algorithm which the analog circuit can't comply.
主要提出两种消除数字地震信号中长周期随机干扰的方法:窄带低通滤波对消法和自适应高通滤波法。通过使用多级抽点技术大大减少滤波法的运算量,可获得良好的滤波特性。
Two methods with which the long disturbance is removed from the digital care introduced: narrow band low-pass filtering canceling method and adaptive high-pass filtering method.
主要提出两种消除数字地震信号中长周期随机干扰的方法:窄带低通滤波对消法和自适应高通滤波法。通过使用多级抽点技术大大减少滤波法的运算量,可获得良好的滤波特性。
Two methods with which the long disturbance is removed from the digital care introduced: narrow band low-pass filtering canceling method and adaptive high-pass filtering method.
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