| 1. | An adaptive threshold control algorithm based on correlation detection 一种基于相关检测的自适应门限控制算法 |
| 2. | Correlation detection scheme 相关检测线路 |
| 3. | 4 . a signal detection system based on the correlation detection technique is designed . and the configuration of the detection circuit is illustrated in detail 4 .介绍了相关检测技术的原理和优点,设计了基于相关检测技术的信号检测系统,并且详细介绍了信号检测电路的实现方法。 |
| 4. | Firstly , the paper introduces the character and the development of all - digital receiver , then an adaptive threshold correlation detection algorithm has been presented 本文首先介绍了全数字接收机的特点及其发展概况,然后介绍了一种用于信号捕获的自适应门限的信号相关检测算法。 |
| 5. | Based on the theoty of statistical dctection and research on distribution of dct coefficiefits , the chapter 3 proposes a robust 3d motion blind watermark detection algorithin , which is a sign correlation detection scheme 第三章基于统计检测理论与dct变换系数分布的研究,提出一个鲁棒的三维运动盲水印检测算法,它是一个dct变换域上的符号相关性检测算法。 |
| 6. | In this paper , the detection and parameter estimation , are studied for ds - ss / bpsk signal with low signal - to - noise ratio , including square detection , cyclic spectrum detection , correlation detection and higher - order statistics - based detection 本文研究了包括平方倍频检测、周期谱检测、时域相关检测和高阶统计量检测四种针对低信噪比下ds - ss / bpsk信号的检测与参数估计方法。 |
| 7. | Several methods of sequence spread spectrum signals direction have been developed , such as energy detection , correlation detection , cepstrum detection , cyclic spectral , higher order cumulant detection , etc . these methods developed from the research of detection and estimation for ds signals 直扩通信信号检测的研究已发展出许多方法,如能量法、相关法、倒谱法、周期谱法及高阶谱法等。 |
| 8. | By making use of the characteristics of pseudorandom spread spectrum sequence in time - domain , this thesis has studied the time - domain correlation detection method of the dsss / bpsk signal and proposed the time - domain difference - accumulation detection method of the dsss / bpsk signal 利用扩频伪随机序列在时域上的特点,本文研究了dsss / bpsk信号的时域相关检测方法,并提出了dsss / bpsk信号的时域累差检测方法。 |
| 9. | At first , to estimating common parameters , in this dissertation three detection methods - square detection , spectrum correlation detection and cepstrum detection are applied to detect the ds / cdma signal . these three methods have different advantages and disadvantages respectively 为解决ds / cdma信号共性参数的估计,本文首先将三种检测方法:平方律法、周期谱法和倒谱法,应用到ds / cdma信号的检测与参数估计中。 |
| 10. | On this basis , the wavelet decomposition established on the time - domain correlation detection method provides a feasible scheme that improves performance , in a situation when it is impossible to design the pre - filter because the frequency band of the useful signal is unknown 本文在此基础上加以扩展,分析了dsss / bpsk信号的高阶统计量,并以此为基础进行检测。 4 .倒谱分析和周期谱分析近年来被广泛应用于对dsss / bpsk信号的研究。 |