The 12-channel IF sampling digital receiver array board is debugged and tested.
完成了十二通道接收机阵列的安装、软硬件联调和所有性能指标的测试。
A digital GPS PN code acquisition circuit based on direct IF sampling is presented.
文中提出了基于直接中频采样的数字化GPS接收机码捕获电路。
As a key technology in digital quadrature demodulation system, the direct IF sampling filter with sharp cutting-off transition band can improve the performance of demodulation system.
中频采样是数字正交鉴相系统中的一项关键技术，具有锐截止特性的中频采样滤波器可以改善鉴相系统的性能。
If sampling length doesn't adapt rotative velocity, the results of calculation by FFT or periodogram analysis will lead to pseudo-periods, which distorts the principal value function terms.
若采样长度与回转速度不吻合，将会出现伪周期，使主值函数项中提取周期成分后的信号失实。
Then, it introduces the applications of the IF sampling in radar signal processing, and the over sampling and noise shaping techniques and FFT to improve the receiver dynamic range technology.
其次，介绍了中频采样在雷达信号处理中的应用和过采样技术及其噪声整形、FFT提高接收机动态范围的技术。
In digital IF receiver based on IF sampling technology, one important issue of system design is how to realize wide instantaneous dynamic range, when the available digits of AD converter is limited.
在基于中频采样技术的数字中频接收机中，怎样在AD变换器位数受限的情况下实现较大的系统瞬时动态范围是系统设计中的一个重要问题。
Sampling and interviewing respondents by cell phone is now a necessity if telephone surveys are to provide valid, reliable and representative data.
如果想通过电话调查提供有效、可靠和有代表性的数据，现在有必要开展移动电话抽样和采访工作。
Most statisticians would not argue if you decided to reject the null hypothesis that the results can be accounted for in terms of random sampling variability from the null distribution.
如果您决定排除虚假设—结果可以按照零分布的随机抽样可变性获得，那么大多数统计师都不会有争议。
But, row level sampling may produce more accurate statistics if relational data values are highly clustered.
但是，如果关系数据值是高度聚集的，那么行级抽样可以产生更精确的统计信息。
If indexes are available, then the sampling is improved.
如果索引是可用的，那么就会改进抽样。
You're going to have to run through at least a large sampling of your site's pages to find out if any rules aren't used across your site.
您将必须至少运行站点页面的大量取样来查明是否有一些规则没有在整个站点中使用。
In such case, the Buyers may, if so requested, send a sample of the goods in quetion to the Sellers, provided that sampling is feasible.
在此情况下，凡货物适于抽样者，如卖方要求，买方可将样品寄交卖方。
Like joins, if a data sampling is defined within a rule, then it is done within the InfoSphere DataStage job.
与连接类似，如果在规则中定义了数据抽样，那么会在InfoSphereDataStage任务中执行。
However, if brewers wanted their Sake to be known as superior to most, they would submit a sample to the National Tax Office for sampling.
然而如果酒商们希望他们的清酒被认定为一级或特级的他们就得向国家税务调查局提交样品以供鉴定。
If you’re in the mood for cheese, don’t leave without sampling provoleta – a smoky provolone sprinkled with oregano.
如果你喜欢奶酪，那你就不能错过品尝奶酪烤饼——一种撒了牛至叶粉的烟熏味波萝伏洛干酪。
Even if you're rushing on an overnight trip through Barcelona, don't leave without sampling these two dishes!
即使你要经过巴塞罗那连夜赶往他处，也不要错过品尝这两道美食！
Feel free to participate in the vampire craze and goth subcultures, but if you're thinking of sampling human blood, make sure there's a doctor handy - for you, not your victim.
你可以自由加入吸血鬼热潮和哥德次文化，但是你在考虑输入人体血液时，确保有医生为你操作，而不是你的受害者。
If, as in sampling or digital systems, some elemental equations are defined or used only at discrete points in time, a discrete-time system is the result.
而假如，在采样问题或数字系统中常见这种情况，有些基础方程仅定义于，或仅能应用于离散的时间点上，这就导致了离散时间系统。
If the U. s. economy rebounded last quarter, have ordinary Americans perceived an improvement? Not yet, according to a random sampling of workers in Los Angeles.
如果美国的经济在最后一个季度得到了反弹，那么普通美国民众会感觉到这个改善么？据在美国洛杉矶对一些工人的随机抽样显示，是还没有感觉到。
Only sample information from a subset of users: If you set the detail level to High or Medium, set a sampling rate to prevent the log from getting too large.
Onlysampleinformationfroma subset ofusers：如果您设置了detaillevel为high或者Medium，则需要设置samplingrate以防止日志变得过大。
If he's like me, quality of movie is not a pre-requisite for making it on to the shelf. A sampling of what you'll find on my DVD shelf.
如果他像我一样，是不会预先考虑电影的质量再把它们放在柜子上的。
If some of the packaged drug has gone bad, the sampling and inspection shall be re-conducted.
如有部分包件变质，应当另行抽样检验。
Quadrature sampling technique is widely used in the field of signal processing since it can reserve all information about the complex envelope of IF signal.
正交采样技术可以保留信号复包络的幅度、相位等信息，因此在信号处理领域中有着广泛的应用。
To satisfy the requirement of high performance signal processing technique, it is demanded to use the direct sampling of IF signal to get quadrature signals.
为满足高性能信号处理技术要求，需要直接对中频信号进行采样来得到正交双路信号。
For the snke of radio surveillance we design the hardware system with the function of IF data sampling, IF data processing and high speed data transferring.
针对通用接收机的中频信号输出，设计了中频信号采集、中频信号处理和高速数据传输硬件系统，应用于无线电监测系统。
For the snke of radio surveillance we design the hardware system with the function of IF data sampling, IF data processing and high speed data transferring.
针对通用接收机的中频信号输出，设计了中频信号采集、中频信号处理和高速数据传输硬件系统，应用于无线电监测系统。
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