前脉冲抑制的规律也揭示了大脑在信息处理时所遵循的时间优先和时间加权编码的大脑信息处理原理。
Prepulse inhibition phenomena suggest that the principle of time priority encoding and time weighting encoding is followed in brain information processing.
最近,在对526名男女的调查中,研究人员发现,在坐地前伸测试中最灵活的人也有最柔软的动脉,这个结果和脉冲波压力测试一样。
In a recent study of 526 women and men, researchers found that those who were the most flexible on a sit-and-reach test also had the most supple arteries, as measured by a pulse-wave pressure test.
梯度放大器是核磁共振成像(MRI)系统的核心设备之一,它根据前级控制系统传来的指令,向梯度线圈提供特定波形的电流脉冲。
The gradient amplifier is an essential equipment of Magnetic Resonance Imaging system (MRI). It supplies the gradient coils with pulse currents according to the signal from the control system.
但是如果飞机坠毁在陆地,没有可以帮助引导搜索行动的脉冲信号。在找到飞机前调查人员只能仔细检查所发现的飞机碎片。
But on land, there's no such pinging to help guide the search. Investigators have to sift through the wreckage until they find it.
模式应答信息包括前同步脉冲与PPM调制数据。
The S mode reply information includes pre-synchronization pulse and PPM original data.
单片机对焊接电流、电弧电压、电流给定、脉冲周期、占空比、基值电流、收弧电流衰减时间、前气和后气时间等焊接参数进行采样、计算和控制。
The welding current, arc voltage, preset current, the period and ratio of pulse, base current, down slope time, gas pre and post flow time are sampled, calculated and controlled by microprocessor.
自激振荡磨料射流是在自激振荡脉冲射流和前混合磨料射流基础上,提出的新型射流。
On the basis of self oscillating pulse water jet and pre mixed abrasive water jet, a new type abrasive jet, self oscillating abrasive water jet (SOAWJ), is put forward.
前级采用电压单环调制方式,后级采用三态滞环离散脉冲调制电流滞环跟踪控制技术。
The front stage uses the single-voltage-mode control strategy and the back stage uses the three states discrete pulse modulation hysteresis current control strategy.
用于电解修锐前砂轮形状和表面精密修整的电火花修整部分将电源直流脉冲电解部分的输出端串连一个限流电阻就形成了电火花修整部分。
The part of EDM dressing A resistance was jointed after the output of DC pulse part to realize the EDM dressing of grinding wheel.
研究发现,当光脉冲通过一个原子气室时,在进入前其峰即到达出口处,造成负渡越时间和负群速。
Experimentally, a light pulse propagating through the atomic vapor cell has its peak reaching the exit side before entering it, resulting in a negative transit time, and negative group velocity.
目的探讨电磁脉冲照射前、后SD大鼠心肌组织超声背向散射参数变化特点。
AIM to explore the alternating pattern of myocardial ultrasonic integrated backscatter of SD rats before and after being exposed to electromagnetic pulse (EMP).
用超声脉冲法研究了不同性质岩块构成的样品破裂前的波速变化。
The variation of wave velocity before rupture of samples composed of rocks with different properties was studied by the ultrasonic impulse method.
方法YAG激光单脉冲先切除前膜与虹膜的粘连,再将人工晶状体表面前膜粉碎性切除。
Methods a single pulse YAG laser was used to relieve the iris synechia and blow up the membrane on anterior surface of IOL.
这些X射线脉冲花了300年从中心黑洞到达了一片巨大的云团人马座B2,于是云团对300年前的事件作出反应。
These X-ray pulses take 300 years to traverse the distance between the central black hole and a large cloud known as Sagittarius B2, so the cloud responds to events that occurred 300 years earlier.
调制前由频谱优化器运用最小面积准则(LAC)对正交脉冲的参数进行优化计算并调整,使脉冲频谱符合FCC频谱模板要求。
The orthogonal pulses are adjusted by the optimizer which calculates the parameters based on Least Area Criterion (LAC) before modulation in order to follow the requirements of FCC spectral mask.
超宽带光谱是得到高能量单周期激光脉冲的前题条件。
To achieve intense monocycle laser pulses, sufficient spectral width is required.
论述了用神经网络中的前向网络BP算法来计算脉冲开关角的一种计算方法,并进行了MATLAB仿真。
This paper discusses about an algorithm of calculating the pulse switch Angle by using of forward network BP algorithm based on the Neural network, and makes the MATLAB simulation.
所述脉冲产生单元分为前、后 脉冲产生单元;
The pulse generation unit is divided into a prepulse generation unit and a post pulse generation unit.
年日均值图显示,中期异常出现在震前11个月左右,表现为脉冲式向上突跳及阶跃式上升,最大异常量为日均正常上升速率的84倍;
The figure of daily mean value in resent year showed: the medium term anomaly with impulse jumps appeared 11 months before the event, and the maximum of anomaly was 84 times of the normal rising rate;
用波长为5321埃、宽度为200微微秒光脉冲泵浦乙醇介质,同时获得了宽度为14微微秒的后向斯托克斯光脉冲和宽度为26微微秒的前向斯托克斯光脉冲。
The ethanol media is pumped by a 5321(?) single laser pulse of 200 ps duration. The backward Stokes pulse of 14 ps duration and the forward Stokes pulse of 26 ps duration are obtained simultaneously.
在执行地质统计学反演前,首先应用稀疏脉冲约束反演,了解储层的大致分布,以求取子波和水平变差函数。
Constrained sparse spike inversion is conducted to predict the general distribution of reservoirs before GI, and the results including wavelet and 3D acoustic impedance(AI) can be used later.
近似计算并画出高斯脉冲的前15阶导函数的ESD。
Approximate Gaussian pulse is calculated and drawn 15 of the first derivative function of ESD.
对一种带前体的高超声速矩转圆形进气道开展了数值仿真及高焓脉冲风洞试验研究。
A study is carried out on a hypersonic inlet with rectangular-to-circular shape transition and forebody using numerical simulation and high enthalpy wind tunnel test.
对一种带前体的高超声速矩转圆形进气道开展了数值仿真及高焓脉冲风洞试验研究。
A study is carried out on a hypersonic inlet with rectangular-to-circular shape transition and forebody using numerical simulation and high enthalpy wind tunnel test.
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