查询词典 signal-to-interference ratio

And the ratio of the number of clock pulse in delay time and the number in signal period is the ratio of delay time and the signal period. It can get the phase difference from the ratio.

鉴相脉宽内的计数结果与原始信号周期内的计数结果的比值，即是鉴相脉宽与被测信号周期脉宽的比值，从而计算出相位差的测量方法。

Meanwhile, the high master frequency band signal acquisition channel makes full use of the cymoscope sensitivity and hardware dynamic range, has larger analog signals front-located gain, thereby reinforcing the signal-noise ratio of the high master frequency band signal, and bringing along benefits for the later stage high resolutions seismic data process.

同时由于高主频频带信号采集电路充分利用了检波器的灵敏度和硬件动态范围，具有较大的模拟信号前置增益，使得高主频频带信号的信噪比得到增强，为后期高分辨率地震资料处理带来了较大益处。

The detecter signal transmits in analogous mode.All the NIM modules for data acquisition are fixed in a shock proof bin. Data processing is accomplished by IBM PC/XT computer. The main performance :Signal transmission rate and the difference of C/O ratio in oil and in water are better than the same product made in foreign country.

探头信号采用模拟传输方式，获取部分的NIM插件全部固定在防震机箱上，数据处理选用了IBM PC/XT微机，其中主要技术指标、信号传输率和油水碳氧比差值均优于美国Schlumberger公司的同类产品。

The power variation of the targeted harmonic signal and harmonic suppression ratio were calculated and evaluated. The theoretical caculations and simulated results suggest that power variation can be maintained within 1 dB with dc bias drift less than 5% and the harmonic suppression ratio is stable in the SSB RoF link.

理论计算和仿真结果表明，偏置漂移会使目标信号的功率抖动增大，但当偏置漂移量小于5％时，功率抖动小于1 dB，而谐波抑制比保持稳定；分析了与非理想光电调制器啁啾相关的有限消光比和双臂驱动不平衡度对RoF链路性能的影响，有限消光比会增加目标信号的功率抖动并降低谐波抑制比，而通过优化调制器的双臂驱动不平衡度可以提高单边带调制RoF链路性能。

The morphology, size and signal of nerve root, nerve ganglion, nerve trunk and femoral nerve, were observed. The brachyaxis and nerve-muscle signal ratio of right L4 nerve root, nerve gatiglion and nerve trunk were measured.

正常组观测腰2~5神经根、神经节及神经干、股神经的形态、大小及信号；GBS及CIDP组观察神经及其周围的改变，测量右侧腰4神经根、神经节、神经干及股神经的短轴径线及神经肌肉信号比。

By removing the photocurrents caused by the ambient light among the noise-included signal light, the two photocurrents from the dual-junction sensor of the signal light was measured and their logarithmical ratio was first obtained.

通过对不同峰值波长和光强的高斯函数环境光下传统方法波长测量精度的仿真分析表明，环境光与被测光峰值波长相差越大、光强比越大，则测量结果的误差就越大。

The Raman scatter signal of carbon tetrachloromethane with this capillary/fiber optical was acquired, From this spectra, the scatter signal intensity and the signal/noise ratio were enhanced about 20 fold.

：本文提出了一种用于拉曼光谱研究的新型毛细管/双光纤传感器，对传感器构型和特性进行了研究，并将其用于四氯化碳样品的研究。

First, by taking into account not only interband effects but also intraband effects, such as carrier heating , spectral hole burning , two-photon absorption and ultrafast nonlinear refraction and the interaction of control pulse and signal pulse in SOA, the relationship between the performance of TOAD (including flatness of switching window, chirp of output signal and extinction ratio of the demultiplexed signal) and the parameters of input pulse (including the wavelength and power of control and signal pulse) are studied.

首先，在考虑到由于带内效应，诸如载流子热效应、谱烧孔效应、超快非线性折射效应和双光子吸收效应而导致得非线性增益压缩效应以及控制光和信号光相互作用情况下，研究了TOAD的各性能参数，包括开关窗口的平坦性、输出信号的啁啾特性、解复用信号的消光比特性等与输入控制光和信号光的波长及功率的关系，在此基础上对TOAD性能进行了优化。

In this system we improve the ratio between signal"s power and noise"s power together with the sensitivity of the system by a new temperature signal demodulating method.

在该系统中，通过采用新的温度信号解调方法，使系统的信噪比获得提高的同时，还提高了系统的测温灵敏度。

This thesis from the angle of signal detection, first theoretically gives out a RFOG closed signal detection design based on DSP. The signal detection system mainly includes related detection. signal conversion and the formation of feedback saw tooth. Related detection must guarantee signal synchronization sampling, and get the biggest signal noise ratio.

本文首先分析了谐振式光纤陀螺的基本原理和系统结构，并从信号检测的角度出发，从理论上给出了一个基于DSP实现的谐振式光纤陀螺的闭环信号检测方案，信号检测系统主要包括相关检测，信号的转换和反馈锯齿波的形成。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。