The pretreatment conditions of sample, background absorption interference, the detection limit and characteristic concentration were investigated. 对样品处理条件、背景吸收干扰、出限及特征浓度进行了考察。
Numerical simulation and experimental research of interference field distribution characteristic of polarized light 偏振光的干涉场分布特征数值模拟及实验研究
Simulationresultforanti interference tracking of maneuvering targets shows effectiveness and good real time characteristic of the approach. 该方法的有效性在机动目标反干扰跟踪应用仿真中得到了验证。
Experimental investigation on interference characteristic of corona pulses 电晕脉冲干扰特性的实验研究
Automatic interference method measuring the characteristic curve of PZT displacement 压电晶体位移特性曲线干涉自动测量方法
Preparation Process of Fe-Si-Al Magnetic Alloy Flaky Powder and Its Anti-Electromagnetic Interference Characteristic 扁平状Fe-Si-Al合金微粉的抗EMI特性研究
For evaluating interference level in substation, the interference data were characteristic analysed. The result can be the reference of the second equipment immunity design. 为了评估变电站的骚扰水平,对变电站电压、电流、电场、磁场的骚扰数据进行了特征提取和分析,所得结果可以为二次设备的抗扰度设计提供参考。
Radio interference characteristic of HVAC and HVDC transmission lines in a hybrid corridor 交直流高压输电线路并行传输时的无线电干扰特性
Traditional optimal methods to calibrate model parameters need artificial interference and can't entirely consider main characteristic indexes of flood process at the same time. 模型参数率定采用传统的最优化方法仍存在较多困难:需要人工进行干预,并且不能同时全面考虑洪水过程的主要特征指标。
Taking into account the ratio between the relative tool-workpiece vibration frequency and the spindle rotating frequency, the phenomena of tool interference, this dissertation analyzes the characteristic of workpiece surface topography more completely. 在考虑振动频率与主轴旋转频率之比以及刀具干涉现象对工件表面微观形貌特征的影响的基础上,比较全面地分析了工件三维表面形貌的特征。
In the shallow water waveguide, the interference pattern and dispersion characteristic, which are the most important coherent properties of sound field, can be characterized by the waveguide invariant β and used for acquiring the information on source localization. 浅水波导中,波导不变量β能够表征声场中干涉图像和色散特性这类最重要的声场相干特征,并可以反演声源的位置信息。
This paper discussed electromagnetic interference mechanism according to tank& armored vehicles EMC characteristic and analyzed representative exception class of EMC. The article brought forward the control technique and improvement on grounding system. 该文根据坦克装甲车辆EMC特点,讨论了接地系统产生电磁干扰的机理,分析了典型EMC故障,提出了接地系统的控制技术和改进措施。
This paper introduce Bluetooth and Wi-Fi wireless technologies and their network characteristics, analyse interference characteristic between them when they are in coexistence, and go on to summarize different approaches to resolving the interference problems. 本文介绍了蓝牙技术和Wi-Fi技术以及它们的网络特点,分析了共存环境中蓝牙和Wi-Fi的干扰特性,总结了针对共存环境中干扰问题的几种解决方案。
A Study of Electromagnetic Interference Characteristic in Coal Mine Based on Wavelet Analysis 基于小波分析的煤矿电磁干扰特性研究
Smart antennas and interference cancellation are two different kinds of schemes to restrain multi-access interference, and each has its characteristic and defect. 智能天线和干扰消除技术是从不同角度抑制码分多址系统多址干扰的方法,二者各有其特点及不足之处。
In a communication system, after noisy channel transmission, signal distortion will inevitably appear as a consequence of communication channel noise interference and fading characteristic, when information signal reaching the receiver side. 由于通信信道固有的噪声衰落特性,信号在经过有噪信道传输后,到达接收端的过程不可避免地会受到干扰而出现信号失真。
PIM problem is simplified by considering an assumption of composite interference model and characteristic function method. An analysis is made of the statistical features of the total interference including PIM interference. 采用合成干扰模型假设和特征函数方法简化了PIM问题,对包括PIM干扰在内的总干扰的统计特性进行了数学分析,进而对无源互调对通信系统的抗噪性能的影响做了数值模拟。
Polarization Interference Spectrum's Gather Characteristic in Ultraviolet Area of Quartz 石英晶体偏光干涉谱紫外区聚敛特性研究
In this paper, the frequency interference characteristic of multichannel quartz crystal microbalances ( MQCM) is analyzed based on Mindlin's two-dimensional piezoelectric plate theory. The influence of designing parameters on the frequency behavior of the QCM structure is studied. 应用明德林的二维压电板理论,用有限元方法求解并分析了两圆形石英晶体微天平(MQCM)的设计参数对频率耦合的影响。
The interference flow field characteristic of flow separation induced by transverse jet was investigated. The detail structure of this kind of flow field was studied by pressure measurement, schlieren photo and oil visualization, and the sketches of the interference flow field structure were drawn. 研究了横向喷流引起流动分离的干扰流场特性,利用表面压力分布测量和纹影、油流等试验方法研究了此类流场的细节结构,给出了干扰流场的结构分析图。
But the problems that output signals of capacity-type transducer are seriously affected by interference and temperature and nonlinear output characteristic restrain its production and application. 但是,电容式传感器输出信号受干扰和温度影响较大、输出特性存在非线性等问题制约了电容式传感器的生产及应用。
The curves 'humps are explained by introducing the constructive interference principle, the propagation characteristic of coupled seismic wave and the resonance effect between the seismic wave and the landmine. 结合相长干涉原理、耦合地震波的传播特性以及地震波与地雷的谐振作用机理对出现在曲线中的峰值进行解释。
CMMA protocol has low control cost and fast co-channel interference detection characteristic. 该协议具有低的控制开销和快速的同信道干扰监测能力。
Since respiratory signal has the characteristics of cyclical, and the interference signal has a characteristic of randomness, a new method of combining time-domain filtering with spatial filtering has been presented. 根据呼吸信号具有周期性的特点,而干扰信号则具有随机性,提出了时域滤波和空域滤波相结合来降低干扰的新方法。
If the pump is applied only into the innner circular cavity, the gain of the inner WGMs also can take on an interference modulation characteristic. 如果用内层圆腔的WGM做工作模式并将增益施加到内圆腔中,则内WGM的增益也可呈干涉调制特征。
In order to get the original source signal, an equalizer has to be used in the receiver to eliminate inter-symbol interference and compensate non-ideal characteristic of the channel. 为了得到原有的信源信号,需要在接收端增加一个均衡器来消除码间干扰,补偿信道的非理想特性。
I comprehensively analyze the FAS statistics collected from OSS system, exploit its interference information and characteristic, and get the standard diagram of all types of interference. 在全面剖析OSS系统收集FAS统计数据后,挖掘出其包含的干扰信息并进行干扰的特性分析,得出各类型的标准统计干扰图。
In shortwave communication, the quality and speed of communication are seriously affected by the intersymbol interference caused by multi-path transmission deriving from the characteristic of the channel. 在短波通信中,由于信道的特性导致多径传输,进而引起码间干扰,严重影响通信的质量和速度。
Wheel brake system that has a complex nonlinear and strongly unpredictable interference characteristic is an important component of aircraft takeoff and landing system. 机轮刹车系统是飞机起飞着陆系统的重要组成部分,具有复杂非线性和强不可测干扰的特点。
Wavelet domain threshold filtering method is applied to restraining resistivity equipment artificial electricity interference and metros leakage interference. Based on characteristic of geoelectric field signals and the investigated interference signals, decompose layer and wavelet function are confirmed. 将小波域阈值滤波方法应用到地电阻率仪器供电干扰和地铁漏电干扰的抑制处理中,根据地电场信号与几种干扰信号的频谱特征确定了小波分解的层数和小波基。