signal space

A small signal theory& space charge wave physics relevant to modulation properties of intense relativistic electron beams in klystron amplifiers is described in this paper.

介绍了在长脉冲强流相对论速调管（RKA）研究中强流相对论空心电子束（IREBs）的一种小信号群聚理&空间电荷波理论。

In the propose scheme, cooperation users rotate and superpose local signals and the signals received from cooperation partner in signal space diversity manner, and the destination node detects the signals in iterative manner.

在所提方法中，协同用户将中继信号和自己的信号按信号空间分集的优化方式进行旋转叠加然后传输，基站对数据进行迭代检测。

In imaging lesions of surface of the spinal cord and subarachnoid space, FLAIR can avoid the influences of the high signal from CSF obtained with T2-weighted spin echo ( SE) and improve conspicuity and detection of these lesions.

应用于椎管内病变检查时，因能避免在常规T2WI上表现为高信号的CSF对脊髓表面、蛛网膜下腔内病灶的掩盖，使这些部位的病变显示更清晰，检出率提高。

Space-time processing technique combines time domain signal processing and spatial signal processing. It can utilize fully the space-time channel characteristic, repair limits of the time domain signal processing and spatial signal processing, and enhance the system capability, overlay area and transmission rate.

空时处理技术联合时域和空域信号处理技术，充分利用无线信道的空时结构特征，弥补了时域信号处理和空域信号处理二者的局限，能够提高无线通信系统的容量、覆盖范围和传输速率。

Data Generator can generate very complicated digital signals. It can be used as programmable data signal source in the fields of communication, radar, navigation, space navigation, and so on.

数据信号发生器可以产生非常复杂的数字激励信号，可为通信、雷达、导航、宇航等领域数字设备提供所需的可编程数据信号。

In space domain, The digital watermark of space domain superposes the watermark information on the signal space directly, Change vision alike plain values, generally in adding the watermark signal modulated in being vision the luminance or typewriter ribbons of element.

空域数字水印是直接在信号空间上叠加水印信息，从而改变图象象素的值，一般在是图象元素的亮度或色带中加入调制的水印信号。

Space storms may have the same effect on the rails as a train, generating unwanted electric currents that could cause the voltage between the two rails to drop and the signal to turn red.

太空风暴可能就像火车一样，对铁路有这样的作用，产生不需要的电流，使得电压降低，信号灯转成红色。

The method overcomes the problem that the threshold value of each parameter is hard to confirm for signal space method, and it can reduce false alarm because of noise interference. The method is validated in a real test.

该方法克服了信号空间方法各单项参数阈值难以设定问题，并且能有效地消除因噪声干扰产生的虚警。

In addition, the state space model and the structure property of signal space were fully employed in this article, therefore the better performance of the harmonic retrieval was gained under the additive hybrid colored noise background as well as lower signal noise rate.

本文还采用了状态空间模型来描述时间序列，充分利用信号空间的结构特性，进而最终实现了在有色加性混合色噪声背景下较低信噪比的谐波恢复。

More flexible ability to the signal space distance variation.

对空间距离的变化具有更强的适应性。

Method: The first step was to analyze the surface EMG signal of human upper arm by using multi-resolution of wavelet transform, then to establish a feature space consisting of the variance of wavelet coefficients.

方法对人手上肢肌肉记录的表面肌电信号进行多尺度分解，利用肌电信号小波系数的方差构造特征空间。

In the method the unknown fault signal space was mapped to known sine function space using topology contravariant map, the purpose of studying the unknown space was proposed through studying known space.

该方法把未知的机械故障信号空间通过拓扑反变映射映射到已知的非平稳正弦函数空间，通过研究已知空间的性质达到研究未知空间性质的目的。

The output signal space was decomposed into signal space and noise space by SVD ( singular value decomposition) method, then the modal parameters were estimated directly.

运用SVD（singular value decomposition）分解将含噪声的输出信号空间分解为信号空间和噪声空间，然后直接估计结构的模态参数。