Four step phase-shift method program and least squares phase solution package, have validation, this method is good.
说明:四步相移法程序和最小二乘法相位解包裹程序,已经验证,此方法比较不错。
This paper has discussed the way of probing Doppler shift signal based on crossed phase detecting method in detail and introduced each function circuits briefly.
本文详细的论述了依据正交相位检测法提取多普勒频移信号的方法,并对各部分实现电路作一简要的介绍。
The paper presents two new algorithms of the phase shift method.
文中提出了有关相位移方法的两个新算法。
A new method and an experimental unit for realizing phase shift interferometry by means of spatial domain sampling is proposed.
提出了一种利用空域采样实现相移干涉计量的新方法和实验演示装置。
A new method using twin beams with the quantum correlation to detect the small phase shift has been suggested.
本文提出一种利用量子相关孪生光束进行微小相移测量的新方法。
A method for measuring the phase characteristics of ultrahigh frequency modulating light by optical phase shift is proposed. It has the properties of high precision and strong practicability.
提出采用光学移相办法测量超高频调制光相位特性的一种方法。它具有精度高、实用性强等特点。
A method for measuring the phase characteristics of ultrahigh frequency modulating light by optical phase shift is proposed.
提出采用光学移相办法测量超高频调制光相位特性的一种方法。
The paper introduces a prestack depth migration by nonstationary phase shift method suitable for laterally variable velocity.
介绍一种能够适应介质速度横向变化的非稳态相移算子及其叠前深度偏移方法。
Firstly, the selection of the ferrite material and the structure design are discussed, the method of improving the differential phase shift of the device is also presented here.
首先讨论了器件的铁氧体材料参数的选取和器件结构的设计以及提高器件差相移的方法。
Method of phase shift measurement, method of phase shift correction, and MRI apparatus.
相移测量方法,相移修正方法,和MRI装置。
Concerning the problem of demodulating the weak Binary Phase Shift Keying (BPSK) signal, the demodulation method based on chaotic system was researched.
针对微弱二进制相移键控(BPSK)信号的解调问题,对基于混沌系统的解调方法进行了研究。
The results show that the phase shift angle can be measured accurately based on the cross-spectrum method with equivalent interval sampling of workpiece rotary angles.
结果表明,利用等工件转角间隔采样通过互功率谱密度方法可以实现相位差的精确在线测试。
A new phase detecting method based on CPLD and SCM for measuring angular shift of resolver is introduced.
介绍一种基于CPLD和单片机的旋转变压器新型鉴相式角位移测量方法和鉴相电路的设计。
The method of measuring new first grade gauge block by phase shift interferometry has been studied.
研究了应用移相干涉术测量新的一等量块的方法。
In order to improve the test efficiency of phased array antennas, phase-shift measurement method is adopted in this paper.
为了提高相控阵天线的检测效率,本文采用了相控阵天线换相测量法。
On the basis of previous studies, this paper proposes a correction method which uses the characteristics of meteorology object and specific differential propagation phase shift KDP.
本文提出一种基于气象目标和单位差分传播相移KDP特性的衰减订正方法。
A practical method of measuring microwave resonator unloaded Q-factor is presented, which could eliminate phase shift of feed line when Q-factor is estimated by critical-points method.
提出了一种实用的测量微波谐振器无载品质因素的方法,在临界点法的基础上,消除了馈线引入的相移。
The method can be used in some phase shift interference where phase shift with piezoelectric ceramics can not be used.
这种方法可以完成压电陶瓷移相方法无法实现的一些移相干涉测量。
The most important is stereo vision, strip lighting based phase-shift and gray-code method.
其中最重要的方法有立体视觉,条形光相位平移法和条形光格雷编码法。
A fast and high accurate laser range finder method based on phase-shift measurement is proposed.
提出了一种快速、高精度的相位式激光测距方法。
Emulate experiments and lake experiment obtained lower error code rate than traditional waveform design method using this waveform structure with multiple phase shift key modulation.
以多进制相位调制方式采用这种波形结构进行了仿真实验和湖水试验,都获得了比传统的波形结构更低的误码率。
This paper introduces an optimization design method for the compensation network of phase-shift full-bridge switching power supply.
介绍了一种全桥移相式开关电源补偿网络的最优设计方法。
In the paper, a novel instantaneous frequency measure method, which is applicable for the frequency measure system of frequency hopping radar, is presented according to the digital phase-shift theory.
本文根据时钟数字移相原理,提出了一种新的瞬时测频方法,适用于捷变频雷达测频系统。
The electro optic sampling system constructed with the multiple frequency phase shift scanning method was introduced.
分析了倍频移相扫描法的工作原理,介绍了用倍频移相扫描法构成的电光采样测量系统。
Firstly, based on the selecting of trigger methods' and ascertaining of the phase shift range of ac voltage-regulate soft starter, reliability of each trigger method is researched.
首先,从触发方案选择和移相范围的确定两方面出发,研究了各触发方案的可靠性。
The modal control is analysed in cases of all modal controlled and limited modal controlled respectively. The time delay is compensated using method of phase shift.
模态控制分控制全部模态和控制有限模态两种情况,时滞补偿采用移相补偿。
A new method of the single point measuring to calculate the grating phase-shift phase was proposed.
提出了一种新的计算光栅相移量点测量法。
System structure and algorithm used in the measurement of 3D surface profile are presented while using the light bulb phase-shift interfering method.
提出了用白光相移干涉法进行三维表面轮廓测量应采用的系统结构和算法。
Using this method, the synchronized PN code phase and approximation value of Doppler shift are got.
该捕获方法在捕获到同步长周期伪码的同时,也得到了多普勒频偏值的近似值。
A new delay partition method is also adopted to improve the speed of the post-scale counter, which is used to realize the programmable phase shift and duty cycle.
本文还提出了一种延时分割方法以提高用于实现相移和占空比调节功能的后端分频器的速度。
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