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- narrow band frequency modulation 窄带档
- narrow band frequency feedback 窄带频率反馈
- Narrow Band Frequency Shift 窄带频移
- narrow band frequency 窄带频率
- LMS adaptive filters can suppress high power narrow band interference effectively in frequency domain. 频域的LMS自适应滤波算法可以有效抑制扩频系统中的强窄带干扰。
- 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。
- Since the frequency stepped radar is a instantaneous narrow band radar with synthesized wideband, it may resolve the bandwidth problem by changing the phase pulse by pulse. 由于频率步进信号是一种瞬时窄带、合成宽带的雷达信号，可以通过脉间配相的改变解决孔径渡越时间、波束指向变化等问题。
- 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。
- 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
- 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。
- Both intermediate and base band frequency sampling schemes may be used in all digital DS/CDMA receiver. 全数字 DS/CDMA信号接收机既可以采用中频采样方案 ;也可以采用基带采样方案 .
- 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。
- 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
- It's got AM, FM, shortwave, longwave, SSB and aircraft band frequencies. 它的获得时，调频，短波，长波，SSB及飞机频段频率。
- 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。
- Nothing can embellish a beautiful face more than a narrow band drawn over the brow. 除了一条横束额上的细带而外，没有别的东西能把美丽的面庞衬托得更好的了。
