保真性

TEM喇叭天线作为时域脉冲天线，其辐射和接收的时域短脉冲信号具有良好的保真性。

This makes the TEM horn antennas have good fidelity when radiating and receiving short time domain impulse antenna .

最后，分析了TEM喇叭天线的时域特性，通过对接收的远区辐射信号和激励源信号的比较，可以得到此种天线具有很好的保真性，能够保证测试系统的不失真。

We can obtain that TEM horn antenna has very good fidelity through comparing the far field radiation signal to the source signal . Thus this makes sure that the measurement system will be not distorted .

地震资料去噪处理的振幅保真性分析

Analysis of Amplitude Fidelity in Noise-removal Process of Seismic Data

实验验证，该系统具有很好的同步性和保真性。

The experiment indicates that the system has a good synchronization and fidelity .

根据现有理论，成功模因具有三大特点：长寿性、多产性和保真性。

According to Memetics , successful memes have the following three features : longevity , fecundity and copy-fidelity .

我们认为：既然有效性概念是可以变化的，那么保真性概念也是可以变化的。

We believed that since the valid concept is may change , then the fidelity concept is also may change .

如何确保食品原料，成分和产品的完整性（保真性）是产品质量和法规所关注的。

Ensuring integrity of raw food materials , ingredients , and products is both a product quality and regulatory compliance concern .

在相同去噪强度的情况下，获得较高去噪效率的方法就是保真性好的方法。

Under the circumstances of having the same intensity , the method achieving better efficiency of noise attenuation is the method of better amplitude fidelity .

一个好的地下水流模型对概化的水文地质模型必须有高度的仿真性，通过拟合求参必须有足够的保真性，对于预测必须有可靠性。

A good groundwater flow model must has the high imitation to hydrogeological model , the sufficient precision by fitting to determinaters and reliability to prediction .

本文指出了“信息确定性”所涉及的信息的不可修改性、信息“保真性”是认识观念的重大变革。

In this article , it is pointed out that the information non-modifiability and information " fidelity " involved in " information determinacy " is a momentous revolution in epistemological conception .

通过理论数据检验表明：本方法能较好适应复杂构造，具有较强去随机干扰和野值能力，保真性较好等特点。

The trial of theoretical data shows that this method can work well in the complicated structure area , having an ability to get rid of random noises and wild values and the ability to keep the fidelity of data .

为满足模型简化的几何与工程信息保真性要求，提出一种基于模糊聚类分析原理、直接从海量散乱点简化的方法。

To meet the demand for both geometric and engineering fidelity of the simplification , a new simplification method , which simplifies data directly form dense scattered data points on the basis of fuzzy clustering without intermediate tessellation , is presented .

计算显示，改进方法速度快、精度高，弥补了传统手段模拟空间结构三维风速时程耗时冗长、精度低的缺陷，小波分析在风速时程分析中具有理想的可靠性和保真性。

Results show that the present method has better accuracy and higher efficiency than traditional technique in the simulation of wind velocity time series . The reliability of the wavelet technique for the analysis of wind velocity time series is also proved through numerical examples .

国家惠农政策信息的下沉，要经过多个层级管道，才能由国家流向农民，这就涉及到政策信息的保真性问题，农民能不能真正享受到政策好处的问题。

With the sinking of the national agricultural policy , it must go through multiple levels of pipeline , and then flows from the State to farmers . This is related to the fidelity of the policy information ; farmers can not really enjoy the policy benefits .