heterodyne method
英 [ˈhɛtərəʊdaɪn ˈmeθəd]
美 [ˈhɛtərəˌdaɪn ˈmeθəd]
外差法
双语例句
- A New Heterodyne Signal Processing Method for Nanometer Measurement
一种新型的纳米级外差干涉信号处理方法 - Phase Measuring by Optical False Heterodyne Method
用光学赝外差法探测相位变化 - Measurement of liquid refractive index with a linear frequency modulation heterodyne method
线性调频外差法测量液体折射率 - Measurement of the Roughness of Supersmooth Surface Using Optical Heterodyne Method
光学外差法检测超光滑表面粗糙度 - An efficient heterodyne frequency method to measure the concentration of oil and water mixture is proposed.
提出了一种利用差拍法测量油水浓度的有效方法。 - This paper expresses a novel measuring method of crossed shearing-heterodyne interference which combines crossed shearing with heterodyne measuring method and makes both of the advantages of two methods developed.
阐述了一种新颖的横向剪切-外差干涉有测量方法.这种方法集横向剪切干涉测量方法与外差测量方法于一体，使二者的优点得以发扬。 - Heterodyne single-side separating technique using mutual compensation frequencies for detecting bidirectional bloodflow and double bidirectional Doppler method for measuring absolute velocities
频率互补型外差式单边带双向分离技术及双双向多普勒测速方法 - In this paper, signal conversion method ( processing before analogue) are used including RC active and on active notching filters, RC low pass filters, double T filters, switched capacitor filters and heterodyne measurement method, etc.
本文采取了信号变换（模拟前处理）的测量方法，包括RC有源、无源陷波电路、RC低通滤波电路、双T滤波网络，开关电容滤波及外差测量法等。 - This paper present optical false heterodyne method. It's modulator of phase is constructed by LN crystal in Michelson's interferometer.
本文报导光学赝外差方法，它是利用LN晶体放置在迈克尔逊干涉仪的参考臂中做电光相位调制。 - The Ultrasonic Displacement Measurement by Laser Heterodyne Interferometric Method
超声位移的激光外差干涉测量 - In this paper, the noise equivalant power ( NEP) of optical heterodyne system has been measured with a method based on acousto-optici germanium 'crystal modulator working at Bragg diffraction mode as a frequency shifting device in heterodyne system.
本文介绍了利用工作于Bragg衍射的Ge晶体声光调制器作为外差系统中的频移器来测量外差系统的噪声等效功率（NEP）的方法。 - The experimental result shows that the method is satisfied for the measurement of nonlinearity in laser heterodyne interferometer and the highlight is that the method can measure the nonlinearity accurately and easily realize.
实验结果表明，应用非线性幅度模型和频谱分析的方法能够精确地测量激光外差干涉非线性误差，相对其它测量方法具有结构简单、易于实现、避免传感器引入非线性误差等优点。 - The Weak Signal Frequency in Silicon Resonance Microsensor Measurement Based on Heterodyne Stochastic Resonance Method
硅谐振微传感器中微弱信号频率的外差式随机共振检测 - Experiment results are shown with a heterodyne interferometer by using this method to measure the dynamic displacement of a PZT.
文中还给出了用此方法进行信号处理的外差干涉仪测量压电陶瓷动态位移的实验结果。 - Measurement of Surface Profile with Optical Heterodyne Method
光学外差法面形测量 - The Measurement of the Frequency Discriminating Curve of CO_2 Laser Frequency-Stabilized System Using NH_2D Stark Cell with the Heterodyne Method
科用外差法测定NH2D斯塔克盒稳定CO2激光频率系统的鉴频曲线 - ^ Detection Research of Solid Surface Laser Ultrasonic Pulse Using Laser Heterodyne Interferometric Method On the Array of Interferometric Optical Fiber Hydrophone by DWDM
探测激光超声用的激光外差干涉仪采用密集波分复用技术的光纤水听器阵列研究 - The key technologies for extracting rotor position are also described, such as delay circuit, synchronous frame filter ( SFF), and phase locked loop ( PLL) based on heterodyne method, then make compensation for the rotor poles.
随后对转子位置信息提取的关键技术进行了详细介绍，即延时电路，同步轴系高通滤波器及基于外差算法的锁相环电路等。 - Studied the optical heterodyne method of the millimeter-wave generation methods, analyzed the technical characteristics of the current system structure.
研究了毫米波产生技术中的光外差法，分析了已有的方法的技术特点。 - A RoF system that uses the three-frequency optical heterodyne method to generate millimeter-wave is studied. Researched the principle and the system structure.
提出将三频光外差法用于毫米波的产生，研究了此方法的原理和系统结构，理论研究了系统的性能。 - The dissertation presents a new heterodyne demodulation method with optical heterodyne technique to obtain the reference signal. Arithmetic is designed and realized in digital technique to demodulate the phase information of the heterodyne signal. Simulation is done using the demodulation method and the results are analyzed.
本文提出了一种通过光学拍频引出参考信号的外差解调方案，设计了外差信号相位的解调算法，分析了数字化实现该算法的一些关键技术，并进行了信号解调的仿真分析。 - The principle of absolute-distance measurement based on heterodyne method is introduced.
介绍了外差法绝对距离测量的基本原理，在此基础上设计了一套用于绝对距离测量的相位测量系统方案。 - We discussed four-group balanced heterodyne reception method, achieved the function of wind direction judgment in light-frequency of doppler ladar.
探讨了四路平衡式外差接收方法，使其在激光测风雷达光频上具有的风向判断功能。