查询词典 Signal-to-Noise

Simulation results show that the method can detect the period of DS spread spectrum signal and produce the primitive polynomial of the spread spectrum code sequence under the conditions that the length of receiving signal is small than one spread spectrum period.

仿真结果表明该方法能够在接收信号长度小于一个扩频码周期的情况下检测出直接序列扩频信号的扩频码周期和产生扩频码序列的本原多项式。

This article introduces the conversion of the video signal(SAA7113),the processing of the video signal and the operation principle and procedure of the correspondence with PC machine in the system.

研制了一种基于FPGA+DSP的数字视频信号处理系统，详细分析了系统中视频信号的转换(SAA7113)、视频信号的处理以及与PC机通信的工作原理和流程。

Small signal equivalent circuit analysis shows that the small signal output resistance in the accurate proportional current sampling mode circuit is much larger than that in a traditional proportional current sampling mode circuit, and circuit stability could be assured.

通过电路的小信号模型分析，得到精密比例采样模式的小信号等效输出电阻远大于传统比例采样模式，同时保证了系统的稳定性。

The pulsar signal is a kind of typical nonstationary random signal which SNR is very low.

脉冲星信号是一种典型的非平稳信号，且信噪比非常小。

A digital signal is a pulsating signal composed of the two basic codes "0" and "1".

数字信号是由"0""1"两个基本量组成的脉冲信号。

Relative signal intensity quantize the change of signal intensity in disc andassess objectively.

但关于信号强度改变与椎间盘组织病理学及基质代谢的关系尚无报告。

A fire\|new theory for periodic or quasi\|periodic signal sampling is proposed,w hich is especially for sampling high\|frequency wideband periodic or quasi\|peri odic signal by low sampling rate system.

涉及一种周期或准周期信号的采样技术，特别适用于低频采样系统采集高频宽带周期或准周期信号。

Array signal processing is one of the most important branches of radar signal processing, and has been developed for many years.

阵列信号处理是雷达信号处理的一个重要的组成部分，目前已经有了很多年的发展。

Array signal processing is an important aspect of modern signal processing. It can be applied in many fields such as radar, sonar, exploration seismology, radio astronomy, tomographic imaging.

阵列信号处理是现代信号处理的重要研究内容之一，其应用范围很广，可用于雷达、声呐、通讯、地震勘探、射电天文和医用成像等众多领域中。

The estimation of signal parameters is an important research field of modern signal processing. It finds wide applications in many fields, such as radar, communications, sonar, seismology, radio astronomy, biomedicine engineering, etc. So, its study is of great theoretical and practical value.

信号参数估计是现代信号处理领域内一个重要分支，它在雷达、通信、声纳、地质勘探、射电天文以及生物医学工程等众多领域有着广泛而重要的应用前景，因此对各种参数估计方法的研究有着重要的理论和应用价值。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。