tetra

Researchers studied three populations of Mexican tetra in the lab. Fish that live in creeks or rivers have two eyes and see just fine .

研究人员在实验室研究了三种墨西哥丽脂鲤种群。在溪里或河里生活的鱼有两只眼睛，视力良好。

It is also the main used modulation in TETRA system .

π/4-DQPSK调制方式的优点是频率利用率高且抗多普勒频移，它也是TETRA系统主要使用的调制方式。

Study on Encryption Techniques of Air Interface of TETRA System

TETRA系统空中接口加密的研究

The Design of Field Strength of TETRA System in Urban Rail Transit

城市轨道交通数字集群系统的场强设计

Performance Simulation and Study of TETRA Radio System

TETRA无线收发系统的性能仿真与研究

Analysis and Development of Mobility Management in TETRA Digital Trunked Communication System

TETRA数字集群通信系统移动性管理实体分析与实现

Design and implement network layer protocol in TETRA use UML

使用UML设计和实现TETRA网络层协议

Analysis and implementation of TETRA air interface layer 2 protocols

TETRA空中接口第二层协议的分析与实现

The Analysis and Simulation of Mobility Management in TETRA

TETRA移动性管理实体分析及仿真验证

Analysis on DATA service channel coding in TETRA

TETRA集群通信系统数据业务信道编码分析

Design and Implementation of Speech Codec in TETRA Based on DSP

基于DSP的TETRA话音编码设计与实现

Design of TETRA Call Control Process

TETRA系统中呼叫控制过程的设计

The implementation scheme of channel coding used in TETRA

TETRA集群通信系统信道编码实现方案

Research on Value-added Application of TETRA Digital Trunking System

TETRA数字集群增值应用研究

Double band antenna with tetra function feeder for the radio measuring transmission system

用于无线测量传输系统的双波段天线四功能馈源

Base Station Receiver Design of TETRA Digital Trunking System

一种用于TETRA数字集群系统的基站接收机设计

Research and Realization of TETRA Digital Trunked Dispatcher System Embedded GIS

嵌入GIS的TETRA数字集群调度系统研究与实现

The paper discusses the scheme of design and implementation of TETRA dispatcher encryption system .

文章详细论述了TETRA端到端加密系统的关键部分&TETRA调度台加密系统的设计与实现。

Characteristic Test and Analysis of the Tetra - lateral Electrode Frame Position Sensitive Detector

四边形电极结构PSD的特性测试与分析

Research on the Heating Method of the Tetra Pak Aseptic Products

利乐无菌包装产品加热方法的研究

Realization & simulation of interleave in TETRA digital trunking communication system

TETRA数字集群通信系统中交织器的仿真与实现

Production and End - uses of Tetra - axial Fabrics

四轴向织物的生产和用途

Software Architecture & Synchronization Acquisition in TETRA Mobile Radio

TETRA移动单元的软件结构及同步设计

Development of Voice Function for TETRA Digital Trunking Terminal

TETRA数字集群终端语音功能的开发

A power amplifier linearization method for TETRA multi-carrier system

一种用于TETRA多载波系统的功放线性化方法

Design and Implementation of TETRA Dispatcher Encryption System

TETRA调度台加密系统设计与实现

Kind of Especial Scheme for Tetra Emergency System

一种非常规的Tetra应急系统方案

TETRA Air Interface Protocol Conformance Test Research

TETRA空中接口协议一致性测试的研究

TETRA Base Station and Moble Station RF Conformance Automatic Testing System Research and Design

TETRA数字集群基站与移动台射频一致性自动测试系统研究与设计

A Mixed Mechanism Mutual Authentication Protocol for TETRA

一种混合机制的TETRA双向鉴权协议