1、

This testing platform realizes frequency and power testing of constant frequency signals and frequency hopping signals. It also realizes sensitivity testing of communication equipment. So this paper has certain value in practice.

论文设计和实现的数字前端模块,应用于便携式无线电测试平台中,实现对定频和跳频信号频率及功率的测试,以及通信设备的接收灵敏度测试,具有一定的工程价值。

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2、

The lay of the land is mostly the same in both worlds, but there are several areas that you can only reach by strategically hopping from one world to the other in the right locations.

两个世界的地形基本一样,但有些地区是你只能在正确的地点巧妙的从一个世界跳入另一世界才能到达的。

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3、

Hopping telecine machine vidicon film chain A movie camera or projector.

电影摄影机或放映机。

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4、

It is a feasible scheme that is used to the terrain-following radar of incoherent? frequency hopping in low sky navigation pod.

将非相参捷变频体制的地形跟随雷达用于低空导航吊舱,无疑是可行的方案。

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5、

Construction of algorithm for frequency hopping code generator using counting TOD

计数式TOD跳频码发生器算法的构造

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6、

The family's hopping mad that she left them nothing.

这家人因为她什么也没有给他们留下而气得跳脚。

柯林斯高阶英汉双解学习词典

7、

Implementation of a Frequency Hopping Cordless Communication System

一种跳频无绳通信系统的实现

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8、

When networking communication with frequency hopping technology, there exists many problems caused by the collision conflict, the longer network time, address conflicting, and timeliness reduces.

使用跳频技术进行网络通信时,碰撞冲突会导致组网时间过长、地址容易冲突、实时性降低等问题。

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9、

Real time Monitoring Channel ′ s Error rate in Shortwave for Frequency Hopping System

短波跳频系统信道差错率的实时监测

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10、

The traditional anti-jamming techniques-such as High-speed Frequency Hopping Technology, Spread Spectrum Coding Technology and Time Hopping Technology-are based on the degree of freedom in the frequency domain, or time domain to get the improvement of the anti-jamming performance.

传统的抗干扰技术例如高速跳频,扩频编码以及跳时技术都是分别以频率域,时间域上的自由度资源为基础来获得抗干扰性能的提升的。

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11、

An improved pseudo-chaotic time hopping scheme for UWB multiple access

UWB系统的一种改进型伪混沌跳时多址接入技术

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12、

And time hopping technology is adopted to resolve the problem of the multi-user access and the system parameter selection.

采用跳时技术解决了系统多用户接入和系统参数的选取。

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13、

This paper gives a serial acquisition method which can be easily implemented in time hopping ultra-wide band system.

根据超宽带系统多径延迟的特点,该文给出一种易于实现的超宽带跳时串行捕获方法;

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14、

Pseudo-Chaotic Time Hopping with Multi-tent Map and DSP Scheme for UWB

UWB伪混沌跳时多帐篷映射及DSP实现方法研究

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15、

The lifetime is a critical parameter for time hopping ultra wide band ( TH-UWB) wireless sensor networks.

生存期是跳时超宽带无线传感网的一个关键参数。

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16、

Pseudo-chaotic time hopping is a modulation method which is suitable for ultra wide-bandwidth impulse radio communication systems.

伪混沌跳时是一种适用于超宽带脉冲无线电通信系统的调制方法。

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17、

In order to reduce the interference to other communications systems during transmission, the method of spread spectrum is proposed, including the time hopping and direct sequence.

为了减小在传输过程中对其他通信系统产生干扰,提出了频谱扩展的方法,包括时间跳跃和直接序列。

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18、

The analysis shows that the improvement of ICI from increasing the pulse repetition period is slower than equidistance transmitting pulse when the manner of transmitting pulse is time hopping.

与采用等间距发送脉冲时的码间干扰对比,结果显示,随着脉冲重复周期增大,跳时UWB的码间干扰的改善的速度比等间距发送脉冲时缓慢。

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19、

The first method presents a class of time hopping ( TH) codes and the method for selecting signal parameters, while the second method proposes the signal design to reduce the mutual interference independently of TH codes.

第一种方案提出了一种灵活地降低系统间相互干扰的TH码和信号设计方法,第二种方案提出了与TH码无关地降低系统间相互干扰的信号设计方法。

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20、

This paper analyses and modifies some problems in original definition and algorithm of Frequency Hopping Processing Gain, and some concepts are clarified. It is favourable to expanding the applicable field, defining the technical indexes and checking the designed equipments.

本文对跳频处理增益原始定义和算法中存在的有关问题进行了分析和修正,扩大了适用范围,澄清了一些概念,有利于技术指标的界定和设备的检验。

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