One reason this is hard is that radio telescopes must chop the spectrum into fine portions to study it, like tuning into a signal on a car radio.

研究工作进展困难的一个原因是，正如汽车收音机的调频一般，射电望远镜必须把光谱按照波段分成易于研究的片段。

The DSP (Digital Signal Processing) allows fine tuning of all aspects of sound with complete control of the audio stream at high resolution.

（数字信号处理器）允许的声音与以高分辨率音频流的完全控制所有方面的微调。

A new type electrically tunable bandpass filter was designed, how to control the filter tuning by digital signal was investigated.

设计了一种新型电调谐带通滤波器，研究了数字信号控制滤波器电调谐的技术。

The dependences of peak amplitude and temporal characteristic of pulsed photothermal spectroscopy signal on wavelength tuning are discussed.

讨论了波长调谐对脉冲光热光谱信号的峰值和时间特性的影响。

The research result shows that the new algorithm has fast convergence speed and good precision. The method is suitable for the on line tuning of a measured signal on industrial plant.

研究结果表明，该方法具有很快的收敛速度和很好的拟合精度，适用于工业过程中测量信号的在线校正。

Using the modern time series analysis method, this paper presents a new self - tuning deconvolution filter for unknown multivariable ARMA signal observed through a known linear system.

本文用现代时间序列分析方法，对于通过已知线性系统被观测的未知多变量arma信号，提出了一种新的自校正去卷滤波器。

General machinery equipment by tuning cavity to change the frequency of each cover an octave or so, the body cavity by coupling a signal to the general power of up to 10 milliwatts or more.

仪器一般靠机械调谐腔体来改变频率，每台可覆盖一个倍频程左右，由腔体耦合出的信号功率一般可达10毫瓦以上。