The nature and pattern of the system social security for the elderly depend on the political institutions and economic system as well as demographic situation of a country.

Regardless of the demographic situation, thesedebilitating substances are essentially tear the world apart.

这种使人衰弱的物质在本质上摧毁这个世界。

The rapid economic and social development, demographic situation is changing, especially in urban population size changes more apparent.

在经济与社会飞速发展的同时，人口状况也发生着变化，尤其是城市人口规模的变化更为明显。

Conventional Doppler vibration measurement methods generally involved complicated frequency or phase demodulation system.

在传统的激光多普勒测振方法中，频移信号的检测通常需要具有比较复杂的频率或相位解调系统。

A phase demodulation technique in frequency domain based on Wavelet transform is investigated.

研究了小波变换在频域解相技术中的应用。

A Novel Approach for Phase Demodulation from a Single Fringe Pattern

一种新的单幅条纹图的相位解调方法

Relative phase demodulation technique in frequency domain in projected grating phase method

投影栅相位法三维检测的频域相对解相技术

Phase Demodulation from a Single Fringe Pattern Based on Iteration Algorithm

迭代估计法单幅条纹图的相位解调

An important reformation to the phase demodulation system for specific environment was introduced.

针对特定的环境，对鉴相系统作了重要改进；

Study on Phase Demodulation Technique Based on Wavelet Transform

基于小波变换的解相技术研究

Application of an envelope demodulation method based on Hilbert transform to torpedo electromagnetic fuze

基于Hilbert变换的包络解调法在鱼雷电磁引信中的应用

The Comparison and Application of Envelope Demodulation in Machine Fault Diagnosis

机械故障诊断中常用解调方法的比较及应用

Application of Wavelet Envelope Demodulation on Early Fault Diagnosis of the Rolling Mill

小波包络解调在轧机故障早期诊断中的应用

Envelope Demodulation Method Based on Empirical Mode Decomposition with Application

基于经验模式分解的包络解调技术及其应用

There are many supermodels at the fashion show.

时尚展览会上有好多的超模。

Which is the one that those supermodels use?

这个是给那些超级名模使用的吗？

Based on the digital synchronous demodulation technology, a triangle angle reflection setting is anticipated, and the entire phase-detection in MATLAB is emulated.

基于数字同步解调测相技术，以三角形角反射器为实物预想目标，在MATLAB环境中对整个测相过程进行了仿真。

The generation of modulation signal, synchronous demodulation and signal processing in R-FOG can be realized in a single FPGA.

在单片FPGA上实现了集调制信号产生、同步解调及信号处理等功能的检测电路。

This paper describes an advanced Ultrasonic Doppler Flowmeter, which is combined synchronous demodulation technique with FFT.

本文简要介绍了一种采用先进的同步解调技术和FFT信号处理技术设计的超声波多普勒流量计；

A differential synchronous demodulation technique for small-signal amplitude measurement

小信号幅度测量中的差分同步解调技术

A New Method of Digital Synchronous Demodulation

数字化同步检波的新方法