noise sequence
英 [nɔɪz ˈsiːkwəns]
美 [nɔɪz ˈsiːkwəns]
【计】噪声序列
双语例句
- The prediction of ocean ambient noise and the simulation of noise time sequence are studied by ray theory and AR filters.
结果表明，这一模型能够快速有效地预报海洋环境噪声场，以及进行特定海洋环境和接收器深度下的噪声时间序列仿真。 - The paper focuses on the techniques of acquisition and tracking of signal in direct-sequence spectrum system, including acquisition and tracking of pseudo noise sequence and carrier.
重点讨论了对扩频信号的捕获与跟踪的方法，其中包括扩频码的捕获与跟踪以及载波的捕获与跟踪。 - Price changes are not just noise; their sequence is driven by the flow of buy and sell orders, second by second.
价格变化不仅仅是噪音；它们每秒钟的序列形成都会受到买卖订单流动的推动。 - Design and Realization of a Pseudo Noise Bit Sequence Generator
一种伪噪声比特序列发生器的设计与实现 - Research of Pseudo Noise Sequence MSK-modulation Signal on Target Detection
伪随机码MSK信号波的目标探测性能研究 - The results of the simulation indicate that the Chebyshev sequence and the pseudo noise sequence have the similar correlation performance, furthermore, the chebyshev sequences are sensitive to the initial values.
仿真研究表明，基于MAI最小的最佳Chebyshev混沌序列与传统的伪随机序列具有类似的相关性，而且，Chebyshev混沌序列对初值极其敏感。 - The spread spectrum communication has advantages of anti-noise, anti-interaction and nice secrecy for the noise characteristic of PN sequence.
由于PN序列具有类噪声特点，使得扩频通信具有抗噪声、抗干扰、保密性能好等优点。 - Pseudo noise ( PN) sequence has been applied widely because of its optimum property of the autocorrelation function.
PN序列因其优良的自相关性而被广泛应用。 - The narrowband interference rejection capability of a direct sequence spread spectrum ( SS) system can be enhanced considerably by an interference rejection algorithm prior to correlating it with the pseudo noise ( PN) sequence.
直接序列扩频通信系统解扩以前采用干扰抑制算法可以显著增强抗窄带干扰性能。 - The single echo kernel of audio signal is spread by pseudo noise ( PN) sequence and taken as watermark signal. Therefore, the algorithm achieves higher robustness and secrecy merits.
利用PN序列将音频信号的单回声内核进行扩展后作为水印信号，提高了水印算法的安全性。 - But noise exist in the video sequence all the time, which influence the visual effect and further processing on video. So the research of denoising on the video sequence is a meaningful work.
而噪声却无时无刻不存在于视频序列中，影响着视频的视觉效果和其进一步处理、加工，所以对视频序列的去噪研究是一个非常有意义的研究工作。 - The normal random noise is the conventional input noise for various filtering methods and communication system. It is often used in the simulation calculation and method verification. Reasonably generating the noise sequence conforming to a prescribed distribution is the key to test a system and filtering method.
正态随机噪声是各种滤波方法和通信系统的系统约定输入噪声，在仿真计算和方法验证中经常用到，合理地产生符合规定分布的噪声序列是检验一个系统和滤波方法的关键。 - The basic idea of pseudo noise sequence and its typical application in radar signal designing were introduced in this paper.
介绍了伪随机序列的基本知识以及该理论在扩谱雷达波形设计中的典型应用。 - The paper researched pseudo noise sequence MSK-modulation signal on target detection with respect to waveform design.
本文主要从波形设计的角度来研究MSK信号的定距、测距等探测特性。 - A method for hiding ciphertext in the noisy stream is presented, with the ciphertext embedded in a noise stream by a pseudo sequence which is controlled by the noisy stream.
提出了一种在随机噪声中的密文隐藏方法，该方法主要采用噪声控制技术将密文嵌入噪声流中。 - The spectrum diagrams show that the samples have the characteristic of red noise sequence, the curves of own and mutual spectral density of different sample have a similar shape, but the own spectral curve of wind speed fits best.
谱图显示诸样本具有红噪声序列特征，不同样本自、互谱密度曲线具有相近形状，而以风速自谱曲线吻合程度最好，谱密度曲线在周期为4秒及2秒处有峰值。 - In order to estimate the PN ( pseudo noise) sequence accurately, the method of r_1 corrector is utilized after the signal subspace analysis.
为了用信号子空间分解法对伪码序列实施精确估计，在其后加上了r1校正方法。 - From the basic principle of probalility theory, it can be deduced that the detailed wavelet coefficients sequence of an arbitrary distributed random noise sequence satisfies a normal distribution.
根据概率论的基本原理可以推断，随机序列的细节小波变换系数符合正态分布。 - Time Domain Characteristic Study of Ship Radiated Noise Based on the Similar Sequence Repeatability
基于相似序列重复度的舰船辐射噪声时域特性的研究 - Pseudo noise sequence MSK-modulation signal on target detection is researched. Theory of waveform design is used.
主要研究了伪随机序列的MSK调制波的探测性能； - The ratio of signal to noise for RF pulse sequence with a synchronized discontinuous noise is compared to that for RF pulse sequence with a continuous noise, and to that for RF continuous cosine signal with a continuous noise.
对具有同步的间断噪声的射频脉冲序列的信噪比、具有连续噪声的射频脉冲序列的信噪比和具有连续噪声的射频余弦信号的信噪比进行了比较。 - In this paper, the timing error is obtained by the autocorrelation characteristic of the pseudo noise sequence ( PN-sequence) based on the special pilot symbols;
本文根据设计的特殊导颁符号，通过伪随机序列的自相关特性得到定时误差； - The distribution feature of ocean and noise information on sequence scale and its distribution difference are analyzed, and the extracting algorithm on ocean fronts based on wavelet optimal scale is designed.
分析了海洋锋信息和噪声信息在各个尺度上分布特征和两者在分布上的差异，设计了基于小波最佳尺度的海洋锋提取算法。 - After analyzing the problem of denoising systematically and deeply, we did our research work on Spatial domain, Frequency domain, Temporal domain, Color domain and Wavelet domain respectively to decompress the noise in the video sequence.
我们对视频序列的去噪问题进行了深入地系统地认识和分析后，在空域、频域、时域、色彩域、小波域等域对视频序列进行了去噪的研究。 - The new-type microwave spread spectrum ranging system, using the pseudo-random noise sequence as its signal, which is described in this thesis, is developed in recent decades.
，本文所讨论的利用伪随机噪声序列作为测距码的新型微波扩频测距系统，正是近几十年发展起来的。 - To handle such problem, this paper analyzes background noise in the zero sequence current sampling, points out it consists of random noise and periodic components.
本文针对这一问题，分析了零序电流采样中背景噪声的来源，指出其含有周期成分和随机噪声两种成分。 - In theory the reason, which the noise of the loop-oscillator in sequence circuit makes system instability, is discussed.
从理论上推导了时序电路中环形振荡器由于噪声影响带来的系统不稳定的原因，并给出表达式。 - The main works and contributions of this thesis are as follows: ① A subspace identification algorithm, which obtains the state space model from the input-output data containing noise sequence, is introduced. This method also provides a solution when the noise is non-stationary.
本论文的主要工作包括：①介绍一种从包含噪声序列的输入输出数据中得到状态空间模型的子空间辨识算法，并研究了噪声序列为有色噪声的处理方法。 - Firstly the matched mirror position filter is used to match the patterns in the DNA sequence, and then the probabilistic relaxation labeling, which is widely used in image processing, is used to eliminate the noise in the DNA sequence by the contextual information.
首先运用了电子技术中的镜像匹配滤波器来匹配序列中的模式信息；再运用图像处理中的概率松弛标示进行后续处理，根据位点左右的上下文信息减少或消除序列在测定过程中产生的噪声。