| 1. | Auto - adaptive signal processing is an important branch of infomation scince and information processing subjects 自适应信号处理是信息科学中信号与信息处理学科的一个重要的分支学科。 |
| 2. | Anc that uses adaptive signal processing implemented on a low - cost , high - performance dsp is an emerging new technology 使用低耗、高能dsp来实现自适应算法后, anc成了一门新兴的工程技术。 |
| 3. | 6 another important part of this paper is the adaptive signal processing of the fmcw millimeter - wave radar system 6针对fmcw毫米波雷达本身的特点和要求,深人研究了fmcw毫米波雷达系统的自适应信号处理技术。 |
| 4. | An active noise control ( anc ) system based on adaptive filter theory was developed in the 1980s . but it only emphasizes on the adaptive signal processing and seldom takes the sound characters into account 基于自适应滤波器理论的主动噪声控制( anc )系统是在80年代发展起来的,但都单纯着重于自适应信号处理,很少仔细考虑声音的特性。 |
| 5. | In this paper , the if circuit , the processor based on the pulse count technology and the adaptive signal processing of the system are discussed thoroughly . major contents are abstracted as follows : 1 the evolved . history of the anticollision radar system is given curtly . the development of the signal processing of the radar and the application of the digital signal processing technology to the radar system is summarized 本文重点讨论了毫米波防撞雷达系统的中频电路及其改进、基于脉冲计数新方法的处理机和自适应信号处理等的研究工作,主要研究内容摘要如下: 1简要介绍了防撞雷达系统的发展历史,总结了雷达信号处理的发展和数字信号处理技术在雷达系统中的应用及其实现方法。 |
| 6. | Furthermore , the use of adaptive filters provides new signal - processing capabilities that would not be possible otherwise . first the thesis discusses adaptive signal processing ' s basic theory , on the basis of it , introduce an adaptive filter - adaptive linear enhancer ( ale ) that is most often used now , and its several improvement : adaptive linear enhancer that has coherent accumulator two input adaptive linear enhancer and fast adaptive linear enhancer 本文首先讨论了自适应信号处理的基本原理,在此基础上介绍了一种目前最常用的自适应滤波器? ?自适应线谱增强器( ale ) ,以及它的几种改进形式:带有自相干累加器( ca )的自适应线谱增强器、双输入端自适应线谱增强器以及快速收敛自适应线谱增强器,讨论了它们的主要性能和应用的范围。 |
| 7. | The adaptive signal processing technology is a rising science embranchment , which composed with many subjects and fields . in this paper , application of the adaptive filter to elimination of the leaked triangular wave and the adaptive signal processing of the fmcw millimeter - wave radar system is studied thoroughly . the use of an adaptive filter offers an attractive solution to the problem as it usually provides a significant improvement in performance over the use of the conventional methods 在系统的自适应信号处理研究中,系统实现采用称为自调谐滤波器的自适应对消器,结果表明,在自适应过程结束后,利用该方案可以得到和原始携带信息的理想干弦波十分近似的正弦波输出,其误差是一个具有很小振幅的随机过程,具有很好的滤波效果。 |
| 8. | The signal ' s energy is made unitary by whiten before detection in order to simplify the expression of kurtosis . after that we also make use of the advantage of subspace separation to reduce the rank of the signal . thirdly , in order to suppress the effect of time various channel , the adaptive signal processing techniques are studied and an improved adaptive method based on lms ( least mean square ) is proposed 为了能更好的跟踪信道的变化,论文还研究了自适应信号处理的方法,并针对最小均方误差的方法进行了改进,改进后的方法在收敛速度比传统的最小均方误差方法有很大改进,并且和传统方法相比它还有收敛速度对收敛步长不敏感的优点。 |
| 9. | Because of uncertainty of the noise and jam ’ s character , we also introduce adaptive signal process to deal with the problem . studies on the approaches for speech enhancement . we put emphasis on the approaches based on short interval estimation and analysis the application of those approaches for reducing the noise in speech 第二,语音增强是从带噪语音中尽可能提取纯净语音的技术,为此本文重点研究了基于短时谱估计的增强算法,分析了语音增强算法在语音降噪中的应用,并指出如果可以得到与带噪语音信号中的噪声相关的参考噪声,则使用对消法是很好的选择。 |