自干扰

In order to improve the accurate of measurement, the artifacts, such as eddy current, thermal convection, background gradient must be considered both experimentally and methodologically.

我们把多自旋回波和双向梯度场技术相结合，用来抑制这些干扰，并在生物样品的自扩散系数测定中的进行了应用。

In this paper, self-orthogonali zation was used to speed up the convergence rate of transform domain adaptive le ast-mean-square algorithm, and the analytical expression of system bit e rror rate was deduced.

但由于必须通过迭代收敛达到稳态解，自适应滤波算法不能锁定快变干扰。文中利用正交加速算法提高最小均方误差算法的收敛速度，推导出了使用变换域自正交加速算法时系统误码率的解析表达式。

Based on the diffeomorphism transformation and Lyapunov direct method, controllers for the reference yaw angle and the reference speed are designed.

首先应用微分同胚等效变换和Lyapunov直接法设计参考航向和参考速度，然后对船舶模型参数不确定的操纵环路和推进环路分别设计神经网络稳定自适应控制器跟踪参考航向和参考速度，并对外界风浪流干扰进行自适应补偿。

Based on the concept of space vector, an open loop detecting method for the fundamental negative and positive sequence components as well as the harmonic components is developed, which combining the conventional detecting method based on filters and the concept of space vector. This method can overcome the defaults of the conventional detecting method, and can meet the requirement of the asymmetrical control of HVDC-VSC.

运用自适应干扰对消原理和空间矢量的概念，提出了一种基波正序分量、基波负序分量及谐波分量的自适应检测方法，并进行了详细的理论分析，为研究HVDC-VSC的不对称运行控制奠定了基础。

An adaptive bit loading and power allocation method and adaptive link strategy have been proposed to mitigating multipath fading and interference in SISO systems.

对SISO OFDM系统提出了一种提高系统抗多径衰落和干扰能力的自适应比特加载和功率分配算法以及链路自适应策略。

Focusing on the interaction among the screws,the paper analyzed the current method of determining propulsive factor based on ship s self-propulsion test with three-screw and presented a new method to test and analyzed propulsive factor of ship with multi-screw.

针对多桨船螺旋桨间互相干扰的影响，通过对三桨船自航试验推进因子分析方法进行分析探讨，提出新的三桨及以上的多桨船船模自航试验方法和其推进因子分析方法。

This paper is concerned with two problems: First, a formula is derived to estimate the error of system identification from the autoeorrelative function of stationary random disturbances and that of pseudo-random sequences. It can be used to select the type of pseudo-random sequences to be used for quick identification with a given error.

本文讨论了两个问题：(1)导出了平稳随机干扰的自相关函数、伪随机序列的自相关函数和系统脉冲响应辨识误差之间的定量关系式，可用来选择伪随机序列和估计试验误差。

In the application of the OFDM system, combined with the adaptive modulation, adaptive coding and the receive diversity based on the accurate estimation of the characteristic of the subchannels, we can increase the spectrum usage, reduce the transmission power, the intercarrier interference and the peak-to-average power rate. So the system performance is optimized.

在OFDM系统的应用中，在对各子信道特性的准确快速估计的基础上，通过对各子载波进行自适应调制，自适应信道编码，以及和接收端的分集接收相结合，能够提高频谱利用率，降低发射功率，抑制子载波间干扰和降低功率峰均比，从而能够使系统的性能达到最优。

The performance of a disturbance covariance matrix is degradated in space time adaptive processing when it is estimated with secondary data contaminated by targetlike signals.

针对空时自适应处理中样本协方差矩阵受干扰目标污染时检测性能下降的问题，提出了一种基于知识的空时自适应处理（knowledge aided space time adaptive processing， KASTAP）方法。

The adaptive-network-based fuzzy inference system was carefully designed to model the VEP signal, the adaptive noise cancellation with ANFIS was applied for estimating VEPs.

方法通过设计合适的自适应模糊神经网络，对视觉诱发脑电信号进行建模，从而采用自适应噪声消除方法滤除干扰信号，提取出视觉诱发脑电信号。

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失