primary signal

Four different threshold limit selecting methods are applied to choose the wavelet coefficient for signal recovering. A primary simulation experiment and some analyses are also done.

采用四种不同的阈值选择算法选取小波系数以恢复信号，并进行了初步的仿真实验和分析。

AIM: To explore the effect of extracellular signal-regulated kinase ( ERK) signal transduction pathway and the inhibitory effect of dexamethasone on primary afferent neurons ( C7-T5 spinal ganglia) of asthmatic guinea pigs.

目的：探讨细胞外信号调节激酶（Extracellular Signal-regulated kinase，ERK）信号转导途径在哮喘豚鼠初级传入神经元（C7～T5脊神经节）的作用及地塞米松的抑制作用。

The hypothalamus is primary brain region that responds to leptin, sending a signal that curbs appetite.

下丘脑是对瘦素起反应的最主要的大脑区域, 通过传递信号来抑制食欲.

The method for theoretical calculation of parametric transient signal array, in which the nonlinear absorption of primary wave has been taking into consideration, is presented.

提出考虑到非线性吸收时计算暂态信号参量阵的计算方法。

The passive bistatic ( multistatic) detection system based on television signal is a primary style of extraneous radiator detection.

基于电视信号的无源双（多）基地探测系统是外辐射源探测的一种主要形式。

It produces the primary signal first to carry on the display of time domain, the display of frequency domain and frequency spectrum, and compose the observing signal; finally it carries on the correlation analysis again after the signal filtered to remove the harmonic interference signal.

首先是对原始信号进行时域波形显示，频域频谱显示，初步观察信号的组成，最后再对滤波后的信号进行相关分析，除掉谐波干扰信号。

Ignite secondary wave, primary wave and ignite timing signal wave can provide valuable data about each air cylinder ignition and combustion status.

结果表明：1.点火次级波形、初级波形、点火正时信号波形能够提供有关各个气缸点火和燃烧情况的关键信息。

The primary step includes discharging mode design , signal design and channelization design of signalized intersection.

主要包括信号交叉口放行方法设计 、 渠化设计和信号优化设计.

Based on three primary color laser as light source, Laser TV controls laser images projected onto the screen using the television signal.

激光电视是以三基色激光为光源，使用电视信号控制激光，将图像投射到屏幕上。

Generally the components of the signal that are in phase and out of phase with the primary signal are plotted separately.

一般都分别划出与原始信号同相和异相的信号分量。

The control system of active noise attenuators in ducts. by processing the noise signal detected by the microphones, generates a signal exciting the secondary sound sources to radiate a sound wave cancelling the primary sound wave in the downstream.

管道有源降噪器的控制系统根据传声器检测到的噪声信号，经过加工处理，产生激励次级声源的信号，使其产生的声波在下游与原来的噪声相抵消。