用一低通滤波器和施密特触发器排除高频噪声脉冲。
Removing high frequency noise pulses by a low-pass filter and Schmitt-trigger.
因此脉冲成形滤波器的设计是最优LOFDM系统设计的重要组成部分。
Therefore, design of pulse shaping filters is an important task for design of optimal LOFDM system.
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。
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.
该滤波器由模糊脉冲噪声检测器、噪声消除器与模糊结合器构成。
The filter consists of a fuzzy impulse noise detector, impulse noise canceller and fuzzy jointer.
发射机电路由脉冲信号产生电路、带通滤波器、功率放大器组成。
The transmitter circuit consists of a pulse signal generator circuit, band-pass filters, power amplifiers.
脉冲多普勒雷达的固有距离模糊,增大了多普勒滤波器组对杂波抑制能力的要求。
The inherent distance ambiguity of pulse Doppler radar increases the requirement of Doppler filter group to the clutter-suppression ability.
有源带通滤波器是脉冲调宽再平衡回路的一个重要部分。
Active band-pass filter is a important section of pulse width modulated rebalance loop.
直流电源柜:三相可控硅整流桥(SCR)、计算机数字脉冲触发板、平波电感、L、C滤波器等组成。
DC power supply cabinet: three-phase silicon-controlled rectifier (SCR), computer digital pulse triggers plate, flat-wave inductor, L, C filter, etc.
多脉冲激励线性预测编码(MPLPC)方法中,合成滤波器的阶数是固定的。
The order of synthesis filter is fixed in multi-pulse excited linear prediction coding(MPLPC) method.
对于飞秒脉冲干涉滤波器的设计和应用具有重要的参考价值。
The results can be importantly referenced by design and application of this kind of filter for femtosecond pulse.
这种控制器给出了避免非最小相位过程零极点对消的有限脉冲响应滤波器。
The resulting controller is a finite impulse response (FIR) filter and hence problem of non-minimum phase zero cancellation is avoided.
实验表明基于行列处理的非线性滤波器通过简单的行列处理,不但能有效消除正向脉冲噪声,而且对图像边缘和细节具有较强的保护能力。
It is shown that the filter presented in the paper has the ability of effective removing the positive impulse noise and better protection for edges and details with simple row and column processing.
本文提出一种利用ZAK变换及优化的升余弦滚降滤波器设计的OFDM/OQAM系统时频局域优化脉冲成形滤波器。
The discrete ZAK transform and Raised cosine FIR filter are used to design time-frequency well-localized pulse shaping filters for OFDM/OQAM systems.
第二部分同样用微扰理论来研究滤波器的作用,导出了频域滤波孤子传输系统的脉冲演化方程;
Secondly, we have studied the effect of filters by the use of perturbation theory and derived the evolution equation of the soliton pulse in the presence of sliding frequency.
本文介绍了基于信号局部统计性质的、能同时压制加性高斯噪声和脉冲噪声的自适应顺序统计滤波器的基本原理。
The paper introduced the basic principles of adaptive L-order statistic filter based on local statistic properties of signals and the features of suppression of Gaussian noise and pulse disturbance.
有限脉冲响应滤波器作为普通器件在许多数字信号处理系统中广泛使用。
Finite impulse response (FIR) digital filters are widely used as common components in many digital signal processing (DSP) systems.
所得到的校准脉冲用于生成校准滤波器。
The resulting calibration pulses are used to generate a calibration filter.
分别实现了V.29信号基本调制解调过程,包括平方根升余弦滚降脉冲成形技术的滤波器实现,以及对信号的正交调制与解调过程。
Realizes V. 29 signal basic modulate and demodulate procedure which includes square root raised cosine rolling-off shaping filter and orthogonal channel signal modulator and demodulator.
它实现了一个使用C版本的FIR(注:有限脉冲响应)滤波器循环,以及针对支持硬件NEON的设备的经过NEON优化的小型性能比较测试。
This implements a tiny benchmark for a FIR filter loop using a C version, and a NEON-optimized one for devices that support it.
提出了利用记忆型模拟回火退火算法来进行基于晶体双折射的光学有限脉冲响应滤波器设计的新方法,用以实现任意光谱响应双通道输出。
The memory simulated annealing approach is presented for designing an optical FIR filter based on crystal birefringence, which is able to provide arbitrary spectrum output with double channels.
调制器输出由三个级联的有限脉冲响应(FIR)滤波器及后置的一个用户可编程后处理器处理。
The output of the modulator is processed by three cascaded finite impulse response (FIR) filters, followed by a user-programmable post processor.
在脉冲压缩之前或之后,在频域向所接收的雷达信号应用校准滤波器。
The calibration filter is applied to the received radar signals in the frequency domain either before or after pulse compression.
但是,对于中心频率不断变化的CW脉冲信号,使用常规的硬件窄带滤波器很难实现对其跟踪滤波。
But to the CW pulse signal with changing frequency, it is difficulte to realize tracking filter with common narrowband filter.
本文比较几个抽头加权值个数较少的13位巴克码脉冲压缩旁办抑制滤波器的性能。
In this paper, a. comparison is made of the performances of several 13 element Barker coded pulse compression sidelobe suppression filters, which have a few distinct tap weights.
实验结果表明:正常肺音音源为白噪声,异常肺音音源为周期脉冲序列,肺胸系统相当于声低通滤波器。
The results of experiment show that dreath sound sources are random white noise, Abnormal breath sounds sources are sequence of periodic impulses.
零相位有限脉冲响应滤波器:是耶,非耶?。
本文针对数字图像中出现的正向脉冲噪声,提出了基于行列处理消除正向脉冲噪声的非线性滤波器(RCF),并分析了它的滤波和细节保护特性。
In order to remove the positive impulse noise, a nonlinear filter (RCF) based on row and column filtering is presented and its filtering and detail protection properties are analyzed in the paper.
当PFD在锁定模式中不生成脉冲时,电荷泵不提供电荷给环路滤波器。
When the PFD does not generate pulses in lock mode, the charge pump does not provide charge to the loop filter.
本文提出了两种同时受脉冲噪声和高斯白噪声污染图像的基于区域生长的细节保护滤波器。
In this paper, two detail-preserving region-growing-based filters is proposed to deal with the noisy image.
本文提出了两种同时受脉冲噪声和高斯白噪声污染图像的基于区域生长的细节保护滤波器。
In this paper, two detail-preserving region-growing-based filters is proposed to deal with the noisy image.
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