发射

A CW carrier signal, generated by Agilent Signal Generator, is transmitted to the subject, which reflects the modulated waves to the receiver antenna. The Agilent Spectrum Analyzer, with an under-conversion module inside, demodulates the received signal to 70MHz IF signal, which is then sampled by a ADC module in Agilent Vector Signal Analyzer. Digital quadrature demodulation is used to convert IF signal to baseband. We could finally get the respiration and heartbeat signal by further analyzing the baseband signal.

该系统由信号发射器产生载波，通过天线发射到被测物体；频谱分析仪内置的下变频模块将由物体反射回来的信号下变频到70MHz中频；中频信号经矢量信号分析仪采样，然后经过数字正交解调变频到基带信号；对基带信号进行滤波、FFT等进一步的数字信号处理后即可获得探测的心跳和呼吸信号。

"Except for what it costs to a build an ultra-precise Shaw-Fujikawa low-mass launcher," the Vice Admiral replied, you could build a fleet of ships.

"建造一个可以精确发射它的肖-藤川发射器的费用，"中将回答，你可以建造一个舰队。

The "Launch Director", carrying his trusty tape-recorder, doing his walk-around of the rocket prior to launch.

"发射主管"，进行他的可靠的磁带录音机，这样做，他步行绕的火箭在发射之前。

The main points are as follows:The interior ballistic experiments of rocket shell launching are conducted and the experimental data, including the pressure at the wall of rocket launching tube and the initial velocity of rocket shell, are obtained.

主要内容如下： 1进行了火箭弹发射的内弹道试验，测量得到了发射管壁面处的压力时间曲线、弹丸的炮口初速。

Employing scattering modes of Kirchhoff approximation and two-scale randomly rough surface in active remoter sensing and physical definition about emissivity in passive remote sensing , the relations of between backscattering cross , effective emissivity and polarization , incident angle , wind speed and whitecap-covered percentage are calculated and show the degree of whitecap affect microwave remote sensing.

在主动遥感方面采用KA模式和双尺度随机粗糙面散射理论模式，在被动遥感方面利用发射率的定义得到有效热发射比，在本文的模型下计算了热发射比以及极化状态的后向散射系数与极化方式、入射角、风速、白冠覆盖率等各参量间的关系，讨论了白冠层的存在对微波遥感模式的影响程度。

Undoped zinc silicate film shows a weak UV emission while Mn doped willemite shows intense photoluminescence in visible region.

光致发光光谱分析表明，未掺杂的薄膜在紫外波段有较弱的发射，而掺锰的硅酸锌薄膜在可见光波段有很强的光致发射。

During programming of the transmit and receive counters, both ADin and Din pins can input the data to the transmit and receive counters.

在发射计数器与接收计数器编程期间，ADin 和 Din脚都能输入数据到发射与接收计数器。

In this photo, a collection of the paraphernalia used to support a launch is visible -- the altiscope, landing locator, field equipment box, notepad, pre-launch checklist, and test equipment for setting the PET module.

在这照片，收集了有关用具，用于支持发射是有形-a ltiscope，登陆定位仪，野战装备中，记事本，发射前的清单，及测试设备设置宠物模块。

The polycrystalline or amorphic diamond thin films may have three ways of field emission:"antenna effect", the emission site of quasi-n-type and low work function, the field emission of graphite particles.

多晶或非晶金刚石薄膜可能存在三种场发射方式：&天线效应&，准n型低功函数发射点和石墨微粒场发射。

Positron Emission Tomography is a kind of atraumatic technology which can detect in itro the metabolic trace of emitted element in human body and can perform 3D imagings.

正电子发射断层成像技术（Positron Emission Tomography，PET）是一种通过体外测量发射性元素在人体内的代谢轨迹，并可进行三维成象的无创检测技术。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。