This paper introduces an aerial automatic driving system used in radio signal measuring sys - tem . The system uses hybrid stepping motor as executing device which through decelerator drives the aerial in azimuth ( X ) and elevation ( Y ) directions .

介绍了一种无线电 信号测量天线自动跟踪驱动系统，系统采用混合式步进电动机作为执行元件，经减速机构后驱动天线作方位（X）、俯仰（ Y）的双自由度运动。

This paper uses indeterminate admittance matrix analytical method expound conversion of configuration between mix - π equivalent circuit of three extremity device and the y-parameters equivalent circuit . The paper supplies convenient calculate method for designers of high frequency small signal amplifier .

本文利用不定导纳矩阵分析方法，论述了三端器件混合π型等效电路与 y 参数等效电路组态的转换，为高频小 信号放大器设计者提供计算上的方便。

Orthogonal signal correction ( OSC ) is a new popular pretreatment method and its basic idea is that it removes the parts linearly unrelated ( orthogonal ) to the response matrix Y from spectral matrix X.

正交 信号校正（OSC）是一种新近发展起来的数据预处理方法，它的基本思想是仅从光谱矩阵X上移除与相应值矩阵 Y正交的部分。

The system adopts a pulsed xenon lamp as an excitation light source chooses optical fibers to transmit and detect fluorescence implements dispersion of fluorescence with a small-sized flat field grating spectrometer and conducts data gathering and conversion with a high speed signal processing module .

系统以脉冲 氙灯为光源，以 Y 型 球面光纤探头传输和探测荧光，以小型平场光谱仪实现荧光分光，以高速数据采集模块实现荧光 信号的采集转换。

The Moire signal generated by a pair of special slant gratings is detected by a set of photoelectric detectors then the detected signals are used to estimate the magnitudes of misalignment in x y directions .

利用光电接收器件阵列组合接收光栅产生的 莫尔条纹 信号，得到x， y方向的对正偏差信号。

In this paper authors study the strain response of Y typed single mode fused optical fiber coupler used widely in optical communication and used as the signal processing components in optical fiber sensing system .

本文对已广泛应用于光纤通信或作为光纤传感系统中处理元件的 Y型单模熔锥光纤耦合器 对应变的响应进行了研究。

The collected brain admittance rheoencephalogram signal (Δ Y ) produced a phase of admittance differentiation diagram ( dy / dt ) after differentiated by a micro-computer automatically .

由检测仪采集的脑导纳血流图 信号（Δ Y），经微电脑自动微分后产生一阶导纳微分图（dy/dt）。

Owing to the eliminating of the background signal compared with traditional signal-on electrochemical sensors by the introduction of the Y junction structure the present platform could significantly low the detection limits and enhance the selectivity .

与传统的 signal-on传感器相比，本传感器由于 Y型结构DNA的引入，提高了选择性，消除了背景电流，显著降低了检测限。

Y : You mean like if the chemical signal food the fish will pursue the food .

你是指，比如说，如果这个化学 信号是食物，鱼就会去捕食。

Signal processing circuit of receiving system covert current signal from PIN four-quadrant photo detector to voltage signal .

接收系统的 信号处理电路，将 四 象限光电探测器输出的电流信号转换为电压信号并放大、处理，最终得到能够 反映 光斑 中心在 x 方向 和 y 方向偏移量的电压信号。

A positioning signal is received by a low-pass filter ( 103 ) that produces filtered position data for driving the X-and Y-axis translation stages .

定位 信号由低通滤波器（103）接收，低通滤波器（103）产生滤波后的位置数据以驱动X与 Y 轴平移台座。

The Multi-Channel Analyzer can incept all kinds of X and y detector output signal ;

可接收各种类型X、 γ射线探测器的输出 信号；

Influences of matrix elements ( Na Ca and Zn ) on signal intensities and vaporization / excitation processes of the interesting refractory element ( Y ) were examined .

考察了基体元素Na、Ca、Zn对待测难熔元素 Y的谱 线强度、蒸发过程和激发过程的影响。

General Y Parameters and Small Signal Equivalent Circuits of the Superconducting Field Effect Devices

超导场效应器件的统一 Y参数和小 信号等效电路

Black and white cameras acquire an optical intensity signal as a function of X position and Y position .

黑白相机捕捉光的明暗度 信号就好比是X坐标和 Y坐标。

Case was detected two green X signal and 2 cases were detected one green X signal and one red Y signal with X / Y probes .

X/Y染色体探针检测时1例为2个绿色的X信号，2例均为1个红色 Y 信号和1个绿色X信号。

Results Thirty-seven male fetus were all identified among the 58 pregnant women ( 100 % ) and no Y signal was detected in the other 21 pregnancies with female foetus .

结果58例正常孕妇，有37例男性胎儿， 检出率为100%。

Objective To study the effect of neuropeptide Y ( NPY ) on renal arteries in hypertension by detecting heat shock protein ( HSP70 ) a signal of proliferation of the renal vascular smooth muscle .

目的以热休克蛋白70（HSP70）作为神经肽 Y（NPY）刺激肾动脉平滑肌细胞增殖活动为 信号，探讨高血压肾动脉重塑中发挥的作用。

A high quality y and C separator from inch picture 's pal TV signal

慢变化图像PAL 信号 的 Y、C高质量分离

It can be configured as a1:4 DA fors-Video ( Y / C ) signals and has controls to compensate for signal losses inherent in long cable runs .

它也可以配置成S视频（ Y/C）的1：4分配放大器，并对因长距离传输而产生的 信号衰减进行补偿控制。

When the value of θ ( or z y (ω) ) exceeds its given control threshold θ lim ( or M 0 ) a control signal will be sent to the control system immediately from chatter omen identification system .

当θ或 zy（ω）超过了设定的控制门限值后，振动监测系统即向控制系统发出控制 信号。