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- A new method that joint frequency,two dimensional arrival angles and the polarizations estimation of incoming narrow band signals use the ESPRIT algorithm and a square array of crossed dipoles is proposed. 本文提出了利用交叉偶极子平面阵和esprit算法实现频率、二维到达角和极化联合估计的新方法.;分析了算法结构;计算机模拟结果证实了算法的有效性
- Windowed narrow band signal processing system in optical fiber current sensor 光纤电流传感器窄带加窗信号处理系统
- narrow band signal 窄带信号
- Data Matrix Based Simultaneous Estimation of Frequencies and DOAs of Multiple Narrow Band Signals 基于数据矩阵的多个窄带信号频率和波达方向同时估计
- In a TDM array using narrow band laser, the signal light and the light leaked from other channels don't add simply but interfere deeply each other. 采用高相干窄带光源的光纤水听器时分复用(TDM)阵列中,信号光与其余通道的泄漏光之间不是简单的强度叠加,而是互相干涉。
- Compensation of Diffraction Effect in SAW Narrow Band Filters. 窄带SAW滤波器衍射效应补偿短句来源嗯,带了。
- A narrow band ceramic filter with capacitor network. 一种带电容网络的窄带陶瓷滤波器。
- Further Radio monitoring, Oscillation and Narrow band are offered. 另外，公司也提供关于无线电监控、振动和窄频带方面的服务。
- Such system is used to digitize high-speed, wide band signal. 该系统适用于对高速、宽带的瞬态信号进行数字化处理。
- A jet stream is a narrow band of strong winds several kilometres above ground. 高空急流是距离地面数公里高的狭窄强风带。
- The narrow band of sapwood is very similar in colour to the heartwood. 边材的窄带颜色与心材非常相似。
- As an example of the applications of EPD method, the locking ability of various narrow band phase locked loops to each frequency component in the spectrum of an input signal is discussed, and some problems are clarified. 作为一个用例,本文讨论了各种窄带锁相环对输入信号中各频谱成分的锁定能力,澄清了一些问题。
- But there are a lot of questions in DS-CDMA satellite communication system, such as the fading of received signal, the multiple access interference (MAI), large Doppler frequency offset, the CW and narrow band interferences in channel and so on. 但是，在DS-CDMA小卫星通信系统中，亦存在如下问题：如接收信号的衰落、多址干扰(MAI) 、大的多普勒频移、信道中的连续波(CW)及窄带干扰等。
- Because the energy of LFM interference can be concentrated into a very narrow band in frequency domain by the time-frequency window, the impact made on the signal by TFW-STFT is lighter than the STFT. 由于提出的时频窗对LFM干扰具有较好的频域能量聚集性能，因此TFW-STFT对信号的影响要小于无聚集性能的短时傅里叶变换。
- The LFM signal enhancement technique based on STFT, narrow band jamming restrain technique based on time-frequency peak filtering and wide band LFM detecting technique are put forward. 研究了低信噪比强窄带干扰条件下的LFM信号检测技术,提出了基于短时傅里叶变换(STFT)的线性调频(LFM)信号增强技术、基于时频峰值滤波的强窄带干扰抑制技术和基于一维搜索的宽带LFM信号检测技术。
- This paper designed a programmable base band signal generator of variable bandwidth based on the combination of FPGA and DSS using large-seale integrated circuits. 利用大规模的集成电路技术，基于FPGA和DSS相结合，设计一种带宽可转换的，具有可编程的基带信号产生器。
- A narrow band or braid used as trimming and commonly made of lace,metallic thread,or embroidery. 镶边，装饰带一种用来装饰的狭窄带子或辫子，通常用花边、金银线或刺绣做成
- In this paper, by using DFT filter bank and ZFFT, we present an algorithm of spectrum analysis for the wide band signal. 本文利用DFT滤波器组、FFT,提出了一种宽带信号的实时谱分析方法。
- The US yield curve flattened as short-term interest rates rose while long-term rates traded within a narrow band. 由于短期利率上升,及长期利率在窄幅上落,美元收益率曲线变得平坦。
- The spectrum of amplitude modulated signal are two half magnitude spectrums of base band signal positive and negative shifted by a carrier or R. 调幅讯号之频谱为一半强度基频讯号之频谱分别正负位移一射频或载波之频率。
