传统的故障诊断方法有基于知识的方法、基于解析模型的方法和基于信号处理的方法。
There are the methods of based on the knowledge, or the analytic model, or the signal processing of the traditional methods of detecting faults.
故障诊断与检测的方法可以分为基于数学模型的方法、基于信号处理的方法和基于知识的方法。
Fault diagnosis and test methods can be divided into the method based on mathematical model, the method based on signal processing and the method based on knowledge.
设计了基于模拟滤波器和基于数字锁相放大技术的两种红外气体传感器的信号处理方法。
Two signal processing methods, one based on analog filters, the other based on digital lock-in amplifying technique, are developed and analyzed.
通过具体仿真实例说明该阈值处理方法的优点，表明基于该方法对车辆动态轴重信号消噪是很有效的。
The virtue of the method is showed by the specific simulation example and the method is proved very effectively applied to dismissing the vehicle spindle's dynamic weight signal's noises.
分析了基于多相滤波结构的宽带侦察接收机中频数字信号下变频处理方法。
This paper analyzes the digital down conversion (DDC) of wideband reconnaissance receiver IF digital signal based on polyphase filtering.
基于多符号检测的DMPS K信号处理算法在改善系统检测性能方面是一条行之有效的方法。
DMPSK signal processing algorithm based on multiple-symbol detection used to be an effective way to prevent deterioration of the system detection properties.
与基于分数低阶统计量的空域处理方法相比，该文提出的算法利用了信号在模糊域中的信息，提高了算法的估计精度。
Comparison with the spatial processing method using fractional lower order statistics, the proposed algorithm provides more precise DOA estimates by using the ambiguity domain information of signals.
阐述了一种新型基于充放电原理的高分子电容式湿度传感器信号处理方法。
This paper describes a new signal processing of macromolecule capacitance humidity sensor based on the charge-discharge principle.
提出了一种基于数字信号处理器的基波相位和频率校正检测方法，可用于电力系统中电压或电流基波分量同步信号的获取。
A novel fundamental frequency and initial phase detection method based on DSP is proposed, which can be used to get synchronous fundamental frequency voltage or current signals of power system.
提出了一种基于机器视觉与离散傅里叶变换的目标特征识别方法。利用计算机图像技术采集和处理图像信号；
A identifying image methods based on machine vision and DFT are studied, The images are collected and video signal is processed using computer technology.
提出了一种新的基于非线性局部预测模式(NLLP)的信号处理方法，并将其应用于话音编码中。
Presented in this paper is a new signal processing method which is based on a nonlinear local prediction model (NLLP) and applied to speech coding.
本文提出了一种基于数字信号处理器(dsp)的交流异步电动机经济实用的降压节能方案，并介绍了其软硬件的设计与实现方法。
In this paper, we present an economic scheme of decompression energy saving for AC induction motor based on DSP, its software and hardware were analyzed.
研究基于周期图谱分析的涡街信号处理方法。
The power spectrum analysis based signal processing method was studied.
为了实现移动装备发动机缸盖振动信号的在线处理，提出一种基于提升小波包变换的渐变式阈值降噪方法。
In order to on-line process engine cylinder head vibration signals of mobile equipment, a de-noising method with gradual changing threshold based on lifting wavelet package transform was proposed.
针对测速雷达实时数字信号处理系统的设计问题，提出了一种基于DSP与FPGA的设计新方法。
A new method is presented to implement the velocity radar real-time digital signal processing system based on DSP and FPGA.
但是，基于流体振动原理的工作方式和现有计数式信号处理方法对噪声比较敏感，故无法避免工业现场各种各样的噪声干扰。
But its work principle of fluid vibration and the signal processing method of count currently are so sensitive to noises that the precision is influenced by noises.
该方法是一种基于信号采样时钟速率的全数字化处理过程，其同步精度可达到信号采样间隔的1%以上，且便于FPGA或DSP实现。
The method is a fully-digitized process at the sampling clock rate, so that it can be conveniently implemented by FPGA or DSP, whose synchronization precision can reach 1% of the sampling interval.
一个是基于EMD的时频分布，另一个是基于EMD的非线性能量算子（NEO）方法，其在癫痫脑电信号的处理中都取得了比较好的效果。
One is a time-frequency distribution based EMD, the other is nonlinear energy operator (NEO) based on EMD, and both of them have good results in epileptic EEG signal processing.
在仿真分析非整周期采样对谱分析法影响的基础上，对基于谱分析的实际涡街流量信号处理方法进行了有益地探讨。
Spectrum analysis for vortex signal processing was discussed on the basis of simulating and analyzing the effect of sampling in non complete periods on spectrum arithmetic.
与此同时，结合数字信号处理知识，分别用谐波修正和时变数字滤波器的方法，完成基于骨导信号的语音重构。
At the same time, based on the knowledge of digital signal processing, reconstruction by harmonic correction and time variant digital filter was proposed.
由于基于循环平稳的阵列处理方法利用了不同信号的循环频率不同这一时域特征，将多个信号在循环频率域进行分离。
Since the performance of cyclostationarity-based array processing methods suffers from severe degradation if there is a small mismatch in the cycle frequency of the signals of interest.
基于可调谐半导体激光吸收光谱，提出了一种新的信号处理方法用于提高吸收光谱测量的灵敏度。
We present a signal_processing system developed for enhancing the sensitivity of absorption measurement based on tunable diode laser wavelength modulation spectroscopy.
结合数字图像和信号处理技术，提出了一种基于纱线图像的扭结分布特征的自动识别方法。
A computerized characterization method for the yarn snarling distribution was proposed by applying the digital image and signal processing techniques to the actual yarn snarling images.
对基于小波变换的信号检测方法进行了深入的研究，在不同尺度上分析和处理信号的各种频率成份。
In the paper, the way of detection of signal based on wavelet transform is researched, it analyses and processes signal of the various frequency at different scales.
本文针对低轨卫星直接序列扩展频谱(DSSS)通信中的信号同步问题，提出了基于软件无线电平台的处理方法。
According to the signal synchronization of LEO's direct sequence spread spectrum (DSSS) communication, a method based on software radio platform was described.
研究结果表明：基于经验模式分解的时频分析方法可以很有效地提取到非平稳故障特征信号，是一种适合于非线性信号处理的方法。
The experiment result shows that the time-frequency method based on EMD can effectively extract the feature of unbalanced fault signal and is proper for non-frequency modulation signal procession.
本文基于负压波法检测管道泄漏的基本原理，提出了利用卡尔曼滤波算法对压力信号波形进行处理获得压力波形特征点的方法。
On the basis of suction wave method to detect pipeline leakage, the theses present that Kalman Filter can be used to get the featured inflection point of pressure wave.
本文基于负压波法检测管道泄漏的基本原理，提出了利用卡尔曼滤波算法对压力信号波形进行处理获得压力波形特征点的方法。
On the basis of suction wave method to detect pipeline leakage, the theses present that Kalman Filter can be used to get the featured inflection point of pressure wave.
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