查询词典 Signal-to-Noise

In signal processing, second-generation enhanced intermediate frequency sampling speed and signal processing speed and capacity.

在信号处理方面，第二代提高了中频采样速度，并加强了信号处理的速度和能力。

Taking the ring intersection at Bell Tower of Xi′an as an example,optimized signal timing scheme is proposed with the help of traffic simulation software VISSIM,and then the scheme is evaluated. The results of analysis indicate the scheme can reduce the vehicle delay and improve the traffic capacity of the ring intersection effectively,which validate that applying microcosmic simulation software VISSIM in signal timing of ring intersection is feasible.

以西安市钟楼环形交叉口为例，借助VISSM交通仿真软件，寻求其优化配时方案，并对方案进行评价，分析结果表明该配时方案能有效地减少车辆延误，提高环形交叉口的通行能力，验证了VISSIM微观仿真软件应用于环形交叉口信号配时的可行性。

Brain signal source localization is a process of inverse calculation from electroencephalogram signal.

脑电源定位是根据头皮观测电位进行逆问题计算的过程。

On the base of analyzing the structural characteristic of 8098 single chip Microcomputer, a multi-dimension signal processing system with simple structure and powerful function is developed using 8098, which not only function as signal sampling and processing, but also the calculation of inverse 6×6 matrix.

对8098单片机的结构性能进行了分析研究，并应用8098单片机研制成功一套多维信号处理系统。

Reference grating formed by electronic oscillating signal and photoelectric conjunction Moire contouring of isohypse fringe based on electronic signal beat freguency principle are reported in the paper.

本文报导用电子振荡信号形成"参考光栅"，基于电信号拍频原理产生等高线条纹的光电结合型莫尔轮廓术。

The jammer receives the radar signal and modulates it in frequency domain, and then the modulated signal is retransmitted.

阐述了利用正弦信号进行频率调制的干扰机理，分析了干扰信号的频率特性，推算了决定干扰效果的各项关键参数。

Based on the signal kurtosis, a blind signal extraction algorithm was proposed in over-determined mixtures.

基于信号峭度理论，提出一种超定条件下的盲信号提取算法。

Based on the analysis of current situation of urban traffic signal control, a method of single intersection signal control was presented based on fuzzy neural network control. Density of vehicle flow of current and next phase was determined by detecting the queue length of the current and next phase, so that it was further determined whether the phase should be changed or not.

在分析城市交通信号控制研究现状的基础上，提出一种基于神经网络模糊控制的单路口交通信号灯控制方法，通过检测当前相位的排队长度和下一相位的排队长度得出当前相位以及下一相位的车流密度，进而判断是否进行相位变换。

By factoring of the likelihood function, the description of signal detection problem is achieved, and then iterative signal detection algorithm can be deduced by using sum-product algorithm.

通过对似然函数的分解，得到信号检测问题的因素图描述，在此基础上应用和积算法推导出信号检测的迭代算法。

A logical element that accepts one binary input signal and has the capability toyield a single binary output signal of the opposite significance.

一种逻辑元件，输入一个二进制输入信号，可产生逻辑状态相反的二进制输出信号。同NOTelement。

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％。