In an airborne SAR real time imager, the selection of azimuth pre filter ratio has a decisive effect on the final azimuth resolution.
在机载sar实时成像处理器中，方位预滤波比的选取对最终获得的方位分辨率有决定性的影响。
When ceramic particles are mingled, the ratio of particle amount to diameter should keep constant, or the arrangement of particles will be disordered, thus decreasing the efficiency of filter.
当不同的陶瓷颗粒混合使用时，其数量和直径大小应该保持一定的比值，否则将会破坏粒子间的排列方式，影响过滤效率。
The Audio Echo Filter repeats a sound after a given Delay, attenuating the repetitions based on the Decay Ratio.
音频回声滤波器在一个给定延迟重复一个声音，衰减基于衰变率的重复。
This paper designs a time-variable CIC filter based on CIC filter for fractional ratio sample rate conversion.
本文以实现整数倍抽取内插的CIC滤波器为基础，提出了一种实现分数倍采样率转换的时变CIC滤波结构。
By this filter, the shift, scale and rotation invariant optical pattern recognition was realized with a high signal noise ratio of correlation output.
用这种滤波器实现了平移、旋转、尺度三重不变光学图像识别，且有较高的信噪比。
At the same time, we combine the dynamic filter technique which chose different passband with different depth to hold the high signal-to-noise ratio.
同时融入动态滤波技术，根据不同深度选择了不同的通带范围，有效地保证了信号的信噪比。
The experiment reveals that the variation of UFE numbers is only dependent on the volume-specific deposit of filter, the effects of filtration velocity, bed depth and ALT ratio are not evident.
不同滤层厚度、滤速和加药比ALT等条件下的过滤试验结果表明：滤层中单元滤床的特征尺寸的变化仅与空隙率有关。
The liquid crystal filter consists of cholesteric and nematic phase liquid crystals with a weight ratio of approximately 7:3.
液晶滤光器由胆甾相和向列相液晶组成，它们的重量比为7：3。
The paper discusses the relation of the bubble pressure and the filtering ratio of filtering medium (filter).
本文论述了冒泡压力和过滤介质（芯）过滤比这两个不同定义概念的关系。
A programmable decimation and interpolation ratio module onnected with multistage cascade integrator comb (CIC) filter is designed to implement high efficient decimator and interpolator.
将可编程抽取、插值器与多级积分梳状滤波器（CIC）相配合，实现高效数字抽取和插值模块。
In this paper, the high decimation ratio of digital down converter is studied and the multi-stage decimation algorithm is especially analyzed based on CIC filter, CFIR filter and RRC filter.
研究了高倍抽取的数字下变频设计，重点分析了基于级联积分梳状滤波器、级联补偿滤波器、级联根升余弦滤波器的多级抽样频率算法。
This paper studies high decimation ratio of digital downconverter given narrow-band signal, and especially analyze mul? stage decimation algorithm based on CIC filter and HB filter.
本文研究了窄带信号条件下，高倍抽取的数字下变频设计，重点分析了基于CIC滤波器和HB滤波器的多级抽取算法。
But to the CW pulse signal with changing carrier wave frequency, common filter cannot achieve narrowband filter, whereas broadband filter cannot reach the request of the signal-noise ratio.
可是，对于载波频率不断变化的CW脉冲信号，普通的滤波器难以实现窄带跟踪滤波，而宽带滤波又不能达到提高信噪比的要求。
The bit error ratio (BER) of the system over weak turbulence based on adaptive filter is below 10 ~ (-8), which can satisfy the communication requirement.
在弱湍流情况下，基于自适应最小均方滤波器的系统误码率(BER)低于10 -8，可以满足网络通信的要求。
The weight adaptation mode of the interference suppression filter is controlled by the signal-to-noise ratio of the current frame.
根据当前帧的信噪比决定自适应滤波器的权系数更新方式。
The user has complete control over the filter response, the filter coefficients and the decimation ratio.
用户对滤波器响应、滤波器系数和抽取率拥有完全的控制权。
It was indicated that this method could significantly improve the signal-to-noise ratio (SNR) and efficiently filter the noise peaks, while the peak position and height remained unchanged.
仿真信号和冬虫夏草的毛细管电泳信号滤噪结果表明，该法在保持峰位与峰高不变的情况下可显著提高信噪比，有效滤除噪声峰。
The physical model of CPM is the design of a maximum energy-output filter. The basic thought is to make the ratio of the output energy of the filter between signal and noise tend to the maximum.
综合参数法物理模型的设计思想是：滤波器输出端信号的能量与滤波器输出端噪音的能量之比趋于最大。
In the receiving system, the narrow-band interference filter is introduced in order to reduce the background light, increase the signal transmission rate, and improve the signal-to-noise ratio.
在接收系统中，引进窄带干涉滤光片，减少背景光的干扰，增加信号光透射率，改善信噪比。
The estimator parameters selected properly was benefit to the reducing of the noise and error. In general, the damp ratio of the second-order low-pass output filter should be small.
滤波器参数对视线角加速度估计的消噪噪声和制导精度提高作用明显，一般宜采用低阻尼比的二阶低通滤波器。
At last the experimental result of soft simulation shows that the novel algorithm is better than the middle filter on reserving the details and signal-noise-ratio.
最后仿真结果表明，在信噪比和细节保留方面，该文算法要明显优于标准中值滤波。
The first mass filter stage transmits only ions having a sub-range of mass-to-charge ratios including a selected mass-to-charge ratio.
所述第一滤质器级布置成用于仅传输具有一子范围的质荷比的离子，该子范围包括所选的质荷比。
The effects of optical filter bandwidth on the received signal quality are discussed by analyzing bit error rate (BER) and contrast ratio performances.
通过分析比特错误率和对比性能讨论了光学滤波带宽对接收信号质量的影响。
The results of the oxygen transfer ratio test show that the oxygen transfer ratio of pipe-cone shape filter bio-bed can increase by 33.33 %.
通过氧转移效率试验表明，管锥形填料生物床可提高33.33%的氧转移效率。
To signal processing, one of the methods is signal-filter, that is, distilling useful information from the signal that received to enhance the signal-noise ratio.
对于信号处理来说，其中一种方法是对信号的滤波，即在接收到的信号中提取有用的信息，提高信噪比。
To signal processing, one of the methods is signal-filter, that is, distilling useful information from the signal that received to enhance the signal-noise ratio.
对于信号处理来说，其中一种方法是对信号的滤波，即在接收到的信号中提取有用的信息，提高信噪比。
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