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- Specify the time and frequency with which to compile audiences. 指定搜集访问者所使用的时间和频率。
- time and frequency zone 时-频域
- From the radio spectrum of Weissenau in Germany, we found a corresponding burst on time and frequency. 在德国Weissenau的太阳射电频谱记录上找到了对应的爆发;
- Cursors give quick readouts of voltage,time and frequency with an accurancy of 1/32 div. 系统可以明显地提高示波器的读出性能:快速给出电压、时间和频率的测量值,读出精度达1/32DIV。
- How to decrease anesthesin time and frequency is a important problem to be considered. 减少换药次数及住院天数是一个重要问题。
- The decorrelation caused by the time and frequency synchronization errors is presented for the first time. 基于该误差模型,分析了时间和频率同步误差对干涉相位的影响,首次推导了同步误差导致的信号去相关。
- Traditionally, the SISO channel is described by the statistics along two dimensions: time and frequency. 传统上，单一输入单一输出的通道可以被两个维度的统计特性所描述，即时域和频域；
- It realizes graphics protraction of time and frequency domain in every time period. 它实现了各个信号的时域和频域的图形的绘制。
- As a new study, Wavelet analysis is called "the digital microscope" and applied well in time and frequency field. 小波分析是一门新兴学科，被称为“数字显微镜”，它在时频两域具有良好的局部特性。
- Overview of the different kinds of time and frequency standards and measurement services that are available, through NIST, other NMIs, and the private sector. 概述目前可用的美国NIST、各国国家计量院和私有的各种时间频率标准、测量设备。
- The novel hybrid MC/MC-DS CDMA structure, which exploits joint time and frequency domain spreading, is constructed in each subband. 在本文中，我们建构一种混合多载波/多载波-直序展频之分码多工系统于每一子频带中，此系统除了利用时域展频之外也用了频域展频。
- Learning a language require time and effort. 学习一种语言是需要时间和精力的。
- The National Institute of Standards and Technology (NIST) maintains a network of time servers that provide time and frequency services for the United States. National Institute of Standards and Technology(NIST)维护着一个时间服务器网络,这些时间服务器为美国提供时间和频率服务。
- A more in-depth discussion of commercially available time and frequency measurement equipment and standards, and how such instrumentation can be used in the metrology laboratory. 市场上可用的时间频率测量设备和标准的更深入的讨论，以及此类仪器如何应用在计量实验室。
- You must make sure of the time and place. 你必须把时间和地点弄清楚。
- The results show that the method of time-frequency analysis can be used to extract acoustic logging data for solving the practical problems related to time and frequency. 分析结果显示，时频分析方法应用于声波测井信息提取可以解决时间和频率相关的实际问题。
- Don't waste your time and energy on trifles. 别把你的时间和精力浪费在琐事上。
- Shall we meet at the usual time and place? 我们在老地方老时间见面好吗?
- In direct sequence/code division multiple access (DS/CDMA) communication system, different users employ distinct spreading codes but transmit at the same time and frequency. 在直接序列扩频码分多址(DS/CDMA:direct sequence/code division multiple access)通信系统中，不同用户指定不同的扩频码波形，不同用户的信号在同一频带内同时传输。
- Take your time and don't gabble! 慢慢说，不要快得叫人听不清！
