The SNEP will employ the MPM1000 Net Centric Waveform Satellite Modem to provide Multi-Frequency-Time Division Multiple Access Bandwidth on demand technology for tactical mobile operations.
该SNEP将采用MPM1000网络中心波形卫星调制解调器,为战术机动作战提供所需的多频时分多址接入带宽技术。
In wireless technology, collision occurs when two transmitters transmit at the same time with the same modulation scheme on the same frequency.
在无线技术中,冲突发生在两个发射器在相同的时间、相同的频率发送相同的调制方式。
Because the time frequency laboratory will be gradually improved by auto-measurement, we give the related concept and technology of virtual instrumentation.
针对时间频率实验室将逐步实现自动化测试的目标,应用了虚拟仪器的相关概念和技术。
This article introduces a technology of time amplifier based on frequency converter. It can be used for phase detection of sine period signal or determination of time delay.
本文介绍一种基于频率变换的时间放大技术,可用于正弦周期信号的相位精确测量或延迟时间测量。
The modern radar jamming and antijamming technology from airspace frequency domain and time domain, are introduced, and the methods despoiling information authority in modern war are analyzed.
分别从空域、频域、时域介绍了现代雷达干扰和抗干扰技术,分析了现代战争中夺取信息权的一些手段和方法。
Modulation domain analysis has become an important part for modern measurement technology. It is better than time domain and frequency domain measurement when indicating frequency variable signal.
调制域分析已经成为现代测试技术不可或缺的部分,在显现频率变化信号时优于时域测量和频域测量。
Sedimentation cycle study method and technology using wavelet time frequency analysis theory is mostly studied and exploited.
重点研究和开发了利用时频分析研究沉积旋回的方法和技术。
The relation of wear and vibration of gear of simulating pitting fault was studied by using ferrographic analysis and the time and frequency spectrums of vibration analysis technology.
利用铁谱分析技术和振动分析技术中的时频分析方法研究了模拟点蚀故障齿轮磨损与振动的关系。
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。
Atomic frequency Standard is the frequency and time benchmark of space technology and time awarding system, directly determining the quality of satellite communications.
原子频标是空间技术和授时系统的频率与时间基准,直接决定了卫星通信的质量。
With the development of modern electronic technology, frequency synthesizers are required to have wider band, higher resolution, short frequency switching time and lower spurious level.
随着现在电子技术的进步,系统对频率合成器的精度、频率分辨率、转换时间和频谱纯度等指标提出了越来越高的要求。
High frequency switching power supply adopting soft switching technology, which has reliable high efficiency and long use time performances becomes the important part of DC power system.
基于软开关技术的高频开关电源因其性能可靠、效率高、寿命长等优点,成为了现代电力操作电源系统中的重要组成部分。
The DWT is a time frequency analysis technology, which detects the subtle small changes in the target spectrum.
离散子波变换具有时频分析特性,能将信号的细微变化反映出来。
This paper introduces an automatic analysis technology and the software of pulse waveforms in both time-domain and frequency-domain.
本文介绍脉冲波形的时域和频域的自动分析技术及其软件。
The test samples of brazed diamond tool are prepared by the high-frequency induction brazing technology under the conditions of different brazing time and vacuity.
利用高频感应钎焊技术,在不同的钎焊时间和真空度条件下制备金刚石工具试样,在自制的装置上测试试样单颗金刚石磨粒的剪切破坏力大小。
This paper explores the feasibility of ultrasonic technology leading to produce fire-retardant wood and test conditions such as frequency, sound intensity and time etc.
探讨了超声波应用于木材阻燃浸渍处理过程的可行性,同时讨论了超声波试验参数频率、声强、辐射时间等的选择。
The patented real-time radio frequency scanner uses computer tomography and works by using the same technology as a mobile phone, but with only a tiny fraction of its power.
这项专利实时无线电频率扫描仪使用计算机X射线断层术,并靠使用与手机一样的技术工作,但是只有它能量的一小部分。
This paper mainly fulfills realizing the real Time Channel Estimate (RTCE) Technology of adaptive High-Frequency (HF), which is one of the digital businesses.
本文主要完成数字化业务中的一项——高频自适应中实时信道估值技术(RTCE)的实现。
According to the collected field data of blasting vibration, the time-frequency characteristic analysis for blasting vibration signals is made by use of the wavelet packet analysis technology.
基于现场实测爆破振动数据,采用小波包分析技术对爆破振动信号进行了时频特征分析。
According to the collected field data of blasting vibration, the time-frequency characteristic analysis for blasting vibration signals is made by use of the wavelet packet analysis technology.
基于现场实测爆破振动数据,采用小波包分析技术对爆破振动信号进行了时频特征分析。
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