分析了复合材料微波检测中电磁参量、电磁波频率和介质薄片厚度的计算方法。
The computation methods of electromagnetism parameters, electromagnetic wave frequency and medium slice thickness in microwave measuring for composite material were analyzed.
文中分析了检测电路的频率特性,且理论上证明了系统的稳定性。
The authors analyze the frequency characteristic of detecting circuit and prove the stability of the proposed detecting system theoretically.
利用现代谱估计的算法,在DSP芯片中对检测车辆雷达运动产生的多普勒频率进行频谱分析。
With modern spectral estimation algorithm, spectrum analysis on Doppler frequency caused by vehicles radar movement is carried out in DSP chip.
分析了检测信号的特征,并采用截止频率法成功地提取了微弱的缺陷回波信号。
The characteristics of the test signals were analyzed and weak defect echo signals were successfully extracted by cut-off frequency technique.
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.
该仪器具有基线漂移提示功能,从而确定仪器背景采集的频率,可以降低分析误差,提高检测结果的准确度。
This instrument can clue on baseline shift to decide the frequency of background scanning, which can deduce NIR analysis error and improve NIR veracity.
建立操作简单、判断快速、准确、清晰的固有频率软件分析系统,以适应大型发电机端部固定改造维修后的检测要求。
A natural frequency software analysis system of simple operation, fast judgement, exactness and clearness is set up as to meet the needs of generator-end fixed improvement and service.
分析了激励线圈的尺寸、激励脉冲的频率、占空比和电压等因素对脉冲涡流检测系统的影响,给出了实际检测过程中选择参数的原则。
The influence factors such as the dimension of exciting coil, the frequency, the duty ratio and the voltage of exciting pulse were analysed, the principle of choosing testing parameters was proposed.
切合实际器件特性可以分析根据实际营运情况,由不同检测频率,测试信号水平和直流偏置。
Realistic device characteristics can be analyzed under actual operating conditions by varying the test frequency, test signal level, and dc bias.
利用超声频谱分析法对换能器进行频率特性分析,找出适合检测的最佳状态。
Spectrum feature analysis of the transducer apparatus is also conducted with this approach and thus achieves the best testing status.
通过分析A/D转换结果,可对ADC 进行柱状图测试,并同时检测模拟核的振荡频率,实现对模拟核的振荡测试。
By analyzing the AD converting results, histogram test of ADC can be taken, and the oscillation frequency can be checked, by which means oscillation test of the analog core is realized too.
介绍了基于双频率锯齿波组合调制的谐振式光纤陀螺(R - FOG)的检测原理,分析了数字系统信号相关检测的理论。
The detection theory of resonator fiber optic gyro (R-FOG) based on the serrodyne modulation with two frequencies was introduced, and the correlative detection theory in digital system was analyzed.
小波变换是信号的时间-频率分析方法,它具有多辨分析的特点,它能有效地检测和识别跳频信号,在跳频通信中有极其重要的作用。
To analyze and detect the feature of frequency hopping signal exactly is a crucial prerequisite to carrying out disturbance to follow the track of signal.
本文通过对复小波的研究发现复小波变换的相位信息能用于频率检测和谐波分析,提出了基于复小波变换相位信息的频率和谐波检测新算法。
A novel method is proposed in this paper by research on complex wavelet, in which phase information of complex wavelet transforms is used to detect frequency and harmonics.
同时对检测臂进行了模态分析,测出了其固有频率和结构振型,为检测车工作时的稳定性要求提供了参考。
Meanwhile, the modal analysis is used to test the detection arm's natural frequency and structural vibration modes, which provides a reference for the stability test of the bridge inspection vehicle.
依据音频共振原理,利用共振频率和内耗两个音频参数的共同作用,快速在线检测弹体药室容积,并用此法与传统的“水称重”法进行理论和实验对比分析。
Based on the principle of sonic resonance, resonant frequency and damping capacity are used as two parameters to test the volume online quickly.
目前国内外电厂使用的多为光电式火焰检测器,其原理是分析火焰燃烧时辐射光的强度或闪烁频率。
Nowadays, the photoelectric flame detector is widely used in the power plants. The principle is to analyze the intensity or flicker frequency of radiation.
着重论述空间滤波检测器的基本原理和热电偶空间滤波器空间频率特性的数学推导及分析。
The fundamental principle of spacial filling, mathematical descriptions and analyses of thermocouple spacial filter are given.
根据多座位电泳法检测的结构基因座上等位基因频率分析湖羊群体的遗传共适应性。
Using the method of multiloci electrophoresis, genetic co-adaptability of Hu Sheep was analyzed according to allele frequencies in 14 structural loci.
自然频率分析法的结果显示,不同制造方式的镍钛合金根管锉,在经过使用后会 有不同幅度的下降以及长度的增加量,因此可以将这种检测方式应用在临床上。
These results demonstrate that the RF analysis tests have potential as a tool for structural detection in Ni-Ti instruments and that the method presented is feasible for clinical application.
群体遗传学分析发现,所检测到的多态位点基因型频率分布与品种相关联。
Population genetics analysis, Detected by genotype frequency distributions of the polymorphic loci is associated with species.
目的:检测青海土族和撒拉族健康个体HLADQA1和DQB1等位基因频率,了解和分析这两个民族的HLA DQA1和DQB1基因多态性。
Objective:To clerify HLA DQA1 and DQB1 gene polymorphisms in a population of Tu and Sala nationalities from two areas in Qinghai province.
在谐振器动力学分析的基础上,系统地比较了谐振式压力传感器检测速度谐振频率和检测位移谐振频率的优缺点。
Based on dynamic analysis of resonator, speed resonant frequency detection for the resonant pressure sensor is compared to displacement resonant frequency detection systematically.
对81例胆石症患者的HLA抗原进行了检测,并以其抗原频率和130位健康人群的抗原频率进行了比较分析。
The HLA antigens of 81 patients with gallstone were typed and compared with 130 cases in healthy control group.
摘要:目的通过检测杀虫剂抗性基因频率对广西壮族自治区北海市家蝇的抗药性现状进行分析,为该地区家蝇的防治提供依据。
Abstract: Objective to understand the current status of insecticide resistance of housefly in Beihai city of Guangxi Zhuang Autonomous Region by molecular tools.
摘要:目的通过检测杀虫剂抗性基因频率对广西壮族自治区北海市家蝇的抗药性现状进行分析,为该地区家蝇的防治提供依据。
Abstract: Objective to understand the current status of insecticide resistance of housefly in Beihai city of Guangxi Zhuang Autonomous Region by molecular tools.
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