1) twice sampling frequency transformation
二次采样频率变换
2) Alterable frequency sampling
变频率采样
3) sample rate conversion
采样率变换
1.
Cascaded integrator comb(CIC) filters are widely used for sample rate conversion,but the large distortion of the pass band and the small attenuation of the stop band limit its applications.
为解决应用于采样率变换系统中的级联积分梳状(CIC)滤波器通带失真大和阻带衰减小对其应用的限制,在分析传统CIC滤波器传输函数和频谱特性的基础上,引入二级可调参数简单滤波器,设计一种高性能CIC滤波器。
2.
Directed at overcoming the pressure on DSP computation exerted by huge data quantity due to intermediate frequency sampling in the baseband in software radio system,the paper introduces the use of the technique of sample rate conversion in the receiver/sender and cascade integrator comb(CIC) filter to realize digital sampling rate conversion.
为了解决软件无线电通信系统中频采样之后的极大数据量在基带处理部分对DSP计算的压力,在发射和接收过程中采用采样率变换技术,并引入CIC滤波器实现采样率转换,很好地满足了抗混叠效应的要求。
3.
Directed at overcoming the pressure on DSP computation exerted by huge data quantity due to intermediate frequency sampling in the baseband in software radio system,the paper introduces the use of the technique of sample rate conversion and cascade integrator comb(CIC) filter to realize digital sampling rate conversion.
为了解决软件无线电通信系统中频采样之后的极大数据量在基带处理部分对DSP计算的压力,本文采用采样率变换技术,并引入CIC滤波器实现采样率转换,很好地满足了抗混叠效应的要求。
4) sampling rate conversion
采样率变换
1.
In this paper,a modified multiphase filtering algorithm based on direct decimation after multiphase interpolation is proposed,by which sampling rate conversion with arbitrary fraction for wideband signals can be implemented successfully.
提出了一种改进的多相滤波方法,通过多相内插后的直接抽取,可完成宽带信号任意分数倍的采样率变换。
6) multilevel change of sampling rate
采样率多级变换
补充资料：采样频率
(Samplingfrequency)在单位时间内(如一日、一月、一年)应该取样的次数。测量水量和水质的数据都具有随机性，为获得随机变量的统计特征值，必须进行频繁的观测，以保证样本特征值能代表总体。它是按一定的设计要求进行推算，以确定应测量的次数，将求得的所需取样的次数大致均匀地分配在所要求的整个监测期间，就可确定出采样频率。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条