The filter stage (s) may implement an elliptical lowpass filter.
所述滤波级可实施椭圆形低通滤波器。
A complex filter synthesized from the leapfrog lowpass prototype is proposed.
介绍了一种基于蛙跳式低通滤波器原型综合而成的复数滤波器。
A new method for sampling the lowpass equivalent of a bandpass signal is proposed in this paper.
本文提出一种新的带通信号采样方法，实现对带通信号的“等效”低通信号采样。
For the lowpass filter example above, you have a choice of two FIR and four IIR digital filter designs.
对于上面的例子提及的低通滤波器，你可以选择两种FIR和四种IIR数字滤波器进行设计。
Since most natural images have a lowpass property, the proposed approach operates on the scalar mode most of the time.
由于大多数自然图像都有低通特性，因而该滤波器大多数时间运作于标量模式。
A novel microstrip lowpass filter composed of a simple tapered periodical compact microstrip resonant cell (CMRC) was proposed.
提出一种新型的阶梯结构周期性紧凑型微带谐振器单元(CMRC)低通滤波器。
In this paper the unequiripole function lowpass prototype has been introduced, and the relative theory has been studied initially.
本文提出不等波纹函数低通原型，并对其理论进行初步探讨。
To improve the effect of the optical spatial filtering, the effect of the window function on lowpass spatial filtering is analyzed.
为改善光学空间滤波的效果，分析说明了低通滤波器窗函数对光学空间滤波效果的影响。
Traditional lowpass filter would make the image edges blurred. So we have to process the edge area and the un-edge area independently.
为使图像处理结果具有较好的边缘特征，可将边缘区域和非边缘区域在逆半调的过程中分别进行处理。
The lowpass filter in the CCD readout circuit inevitably results in information distortion of pixel crosstalk while improving the system signal-to-noise.
CCD读出电路中低通滤波器在改善系统输出信噪比的同时，不可避免地会产生像素串扰，造成信息畸变。
In this paper a driving system with sensorless and brushless DC motor is studied, the lowpass design method for switching capacitor is discussed in detail.
对无传感器无刷直流电机的驱动系统进行了研究，详细论述了开关电容低通滤波器的设计方法。
Combining with the design of 8th-order elliptic lowpass filter, a valid computer-aided method to design switched capacitor filters is discussed in this paper.
本文结合八阶椭圆低通滤波器的设计，讨论了开关电容滤波器计算机辅助设计的一种有效方法。
The digital filtering includes lowpass filtering, polarization filtering, frequency weighting filtering, correlation filtering and superposition process, etc.
数字滤波部分包括：低通滤波、偏振滤波、频率加强滤波、相关滤波及叠加处理等。
The important feature of the proposed si circuit is that it can simultaneously obtain lowpass, bandpass and highpass filter outputs, in a single building block.
该电路的一个重要特征是：它在单一积木块上能同时获得低通、带通和高通滤波功能。
This algorithm makes use of lowpass filter and coring circuit to suppress small noise; utilizes adaptive clamping to eliminate ringing effect and "wrong colours".
介绍一种色度瞬态校正的改进算法，该算法利用低通滤波和核化降噪抑制噪声的影响，采用自适应限幅来消除振铃效应和假色现象。
The high frequency matching network mainly used lumped element lowpass network, including the series capacitance, series inductance and shunt grounded capacitance.
高频匹配网络主要采取集中参数低通形式，串联部分电感、电容参加匹配，并联部分对地电容参加匹配。
When you need some analog outputs and you have an FPGA in your system, you probably choose to use a PWM module and a simple lowpass filter such as those in Figure 1.
当需要一些模拟输出和系统中有FPGA时，很可能选择使用如图1的PWM模块和简单低通滤波器。
The modified integrator eliminated the initial value and DC drift problems associated with the pure integrator, and achieved a better performance than lowpass filter.
该改进型积分器消除了纯积分器带来的初值不准确、直流偏移等问题，又可以获得比低通滤波器更优的性能。
One of the most popular approaches to extract the gravity field information from the much noisy measurement that observed by airborne gravimeter is lowpass filtering.
从含有大量噪声的航空重力仪测量值中提取重力场信息，最常用的方法是使用低通滤波器。
A control circuit comprises a band-pass circuit, a primary amplifying circuit, a differential detection circuit, a demodulator circuit, a lowpass filter circuit, etc.
控制电路部分由带通电路、一级放大电路、差动检测电路、解调电路、低通滤波电路等部分组成。
There is a lot of noise in the data observed by airborne gravimeter. Digital lowpass FIRfilter is needed to extract the factual gravity field information from such data.
航空重力测量数据中含有大量的噪声，需要采用FIR低通滤波器来提取实际的重力异常信息。
The maximum frequency of RC-bridge oscillator is 16.67% of gain bandwidth product of amplifier analyzed based on a first-order single time constant lowpass function model.
运用一阶单时间常数低通函数模拟运算放大器的开环增益，对RC桥式振荡电路进行线性分析，得出最大振荡频率为运算放大器增益带宽积的16.67%。
A technique used to design infinite impulse response (IIR) digital filters from the squared magnitude function of a normal analog lowpass filter is presented in this paper.
本文提出了一种从模拟低通原型滤波器的振幅平方函数设计“无限脉冲响应(IIR)”数字滤波器的方法。
In this paper, we first obtain the FRFT of the uniform impulse-train sampled signals, and based on it, we deduce sampling theorem and reconstruction formula for bandpass and lowpass signals with FRFT.
本文首先得到了均匀冲激串采样信号的FRFT，然后在此基础上导出了FRF T域上带通信号和低通信号的采样定理和重构公式。
Noise, High frequency, 8th Order Linear Phase Lowpass Filter.
噪声，高频率，8阶线性相位低通滤波器。
Noise, High frequency, 8th Order Linear Phase Lowpass Filter.
噪声，高频率，8阶线性相位低通滤波器。
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