ratio detector
英 [ˈreɪʃiəʊ dɪˈtektə(r)]
美 [ˈreɪʃioʊ dɪˈtektər]
网络 比例鉴频器
双语例句
- The relationship between the probability of error, the signal-to-noise ratio of detector and the resolution of amplitude was deduced.
推导了无线测量系统的接收机信噪比与检测错误概率以及幅度分辨率的关系。 - Synthetic Aperture Imaging Ladar ( VI): Space-Time Speckle Effect and Heterodyne Signal-to-Noise Ratio Analysis on the Position Sensitive Detector Positioning Error Caused by Laser Spot Using New Three-Ray Model
合成孔径激光成像雷达（VI）：时空散斑效应和外差探测信噪比采用三线位置敏感探测器定位模型分析光斑对定位精度的影响 - The Weber ratio is used to make the noise detector to be sensitive and accurate and the bulge algorithm is used to deal with the edge-problem of the noise.
该模型利用韦伯比设立的噪声检测模型，不仅具有较高的灵敏度和准确度，同时利用膨胀算法解决了噪声的边缘修复问题。 - A method for calculating the ratio of the radiation rays falling on a detector chip from the inner wall of a circular cold shield by using the Monte Carlo method and MATLAB is presented.
介绍了用蒙特卡罗方法和MATLAB计算圆形冷屏内壁表面辐射落入探测器芯片比例的一种解决方案。 - Generalized Likelihood Ratio Detector for Airborne MIMO Radars
机载MIMO雷达广义最大似然检测器 - The received power and signal-to-noise ratio ( SNR) of Laser Range Finder ( LRF) detector as a function of the target distance and divergence of the beam are simulated, and the effect of different target shape on LRF's ranging performances is discussed.
通过数值计算，研究了目标距离、束散角与探测器接收功率及信噪比的函数关系，讨论了不同目标形状对激光测距性能的影响。 - Calculation of Performance Margins of Optimum Likelihood Ratio Detector
理想似然比检测器性能边界的计算 - The problem of selecting the reference line for measuring compensating peak was discussed, when the isotope ratio was measured with a double detector.
讨论在用双接收器方法测量同位素比时，量度补偿峰参考线的选择问题。 - The first step is to detect line element with local detector. A improved ratio of average ( RoA) detector which takes into account the statistic property of SAR image is proposed, it can guarantee the detection accuracy.
第一步利用局部线特征检测算子提取线基元，为此本文提出一种改进的均值比率（RoA）算子，应用SAR图像的统计特性，保证较高的准确率； - A method is presented for calculating the performance margins of the optimum likelihood ratio detector by using Monte Carlo Simulation.
本文提出了用MonteCarlo模拟计算理想似然比检测器检测性能的数值方法。 - The infrared gas sensor contains an open-path gas chamber, a high SNR ( signal to noise ratio) infrared detector, and an electrical modulated MEMS infrared emitter.
红外气体传感器采用开放式气室，选用高信噪比的探测器和电调制的MEMS红外光源。 - In the paper it is shown that in isotropical noise field acoustic energy flux is maximum likelihood ratio detector, its direction is maximum likelihood estimation of source direction.
本文证明在各向同性噪声场中声能流是最大似然比检测量，声能流方向是声源方位的最大似然估计； - In this system, the background counting rate is 0.7/s and background efficiency ratio is 1.82/s for HPGe detector of 38.4% relative efficiency in 100~ 2 000 keV energy range.
在100～2000keV能区，相对效率为38.4%的HPGe探测器积分本底计数率为0.7／s，本底效率比为1.82／s； - The Generalized Likelihood Ratio Test ( GLRT) is used to establish a binary hypotheses detector and estimates the unknown parameters that represent the background in the detector from the image.
它通过广义似然比检验（GLRT）模型构建二元检测算子，并利用观测数据估计出算子中代表背景的未知参数，而算子的关键参数&目标参数是通过投影追踪算法搜索异常点得到的。 - The experimental results of low-order modes correction for wave-front error and the enhancement of Strehl ratio in detector and the improvement of wave-front tilt are also established.
通过低阶校正模式波前误差提高了探测器接收光强，并有效校正了波前倾斜。 - The signal-noise ratio of detectors and the image quality will be affected by the detector cross-talk noise.
探测器的串扰噪声会对探测器的信噪比以及高能工业CT的图像质量产生很大的影响。 - The Measurement of the Ratio of Main Pulmonary Artery to Aortic Diameter with Multi Detector Spiral CT in Chinese Healthy Adults
健康成人主肺动脉-主动脉直径比的多层螺旋CT测量 - Signal to Noise Ratio and its Processing in Array Detector
阵列量子器件的信噪比与处理 - The likelihood ratio ( LR) detector structures when the clutter steady component is coherent and noncoherent are developed respectively.
导出了杂波稳定分量相干及不相干时的似然比（LR）检测器的结构。 - Research on symmetrical ratio detector in TV
电视机中比例鉴频器的研究 - Development of Body Fat Ratio Detector of Electric Impedance
阻抗式人体脂肪测定仪的研制 - The new edge detection algorithm is proposed based on the experiment of median filter, Canny detector, Ratio detector and two-threshold link. The algorithm is put the characteristics of the speckle in SAR image into consideration.
针对合成孔径雷达图像中斑点噪声的特性，基于中值滤波方法，并结合Ratio算子、Canny算子和双阈值连接三种处理方法，提出一种综合的边缘检测算法。 - A Virtual instrument is proposed for the purpose of on-line inspection and quality control of the product with double four quadrant photoelectric detector as its receiver through real-time and non-contact inspection of the change ratio of output signals corresponding to dispersion spots received by the detector.
通过监测与所接收的激光弥散斑相对应的输出信号的变化率可以对探测器进行实时非接触测量，从而实现以双四象限探测器为接收器件的产品的在线检测和质量控制。 - The Monte Carlo simulation results indicate that the signal noise ratio of the proposed blind multiuser detector can be 2-4 dB more than that of conventional detector at the same BER.
MonteCarlo仿真结果表明，在同一个误码率条件下，基于子空间的盲多用户检测器比传统检测器的信噪比提高了2～4dB。 - The effect of Gauss beam waist and imaging lens F, signal light axis offset, length to wide ratio of rectangular detector and signal light axis tilt to heterodyne efficiency have been analyzed and discussed.
分别讨论了高斯光束束腰和成像物镜F数、信号光光轴偏移量、矩形探测器长宽比及信号光光轴倾斜角度对外差效率的影响。 - Based on generalized likelihood ratio test ( GLRT), polarimetric adaptive subspace detector ( PASD) is derived. The theoretical expressions of probability of false alarm and probability of detection for PASD are derived.
基于广义似然比检验提出极化自适应子空间器检测器，并推导出虚警概率和检测概率的理论表达式。 - Mass spectrometry by analysis ionization. When ion through electric field or magnetic field. Different mass to charge ratio ions will be separated and detected, and collect by the detector. After series of dada processing, finally obtained mass spectra.
质谱通过将被分析物质电离成离子，产生的离子经电场或磁场作用，按质荷比的不同而被分离和检测，被离子检测器的收集得到，再经过一系列数据处理，最终获得质谱图。 - In this paper, the signal-to-interference ratio ( SIR) expression for the interleaved multiuser signal structure-based MMSE detector is first derived.
本文首次推导了基于交织多用户信号结构的MMSE检测器的信干比性能。 - A generalized likelihood ratio test ( GLRT) detector are developed using SAR returns as opposite to images, the detecting performance are derived theoretically.
提出了基于回波广义似然比（GLRT）的SAR一般微动目标检测方法，从理论上推导了检测器性能。 - The results showed that reducing appropriately the oxygen/ argon ratio in the sputtering process and the presence of oxygen in the testing process can improve the light-dark current ratio and the detector response time.
结果表明：溅射过程中适当的降低氩氧比以及测试环境中氧气氛的存在都有助于提高探测器的光暗电流比，但同时探测器的响应时间有所增大。