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。
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.
该方法是将采样波形取绝对值，定义数据窗长度为半个周期。
It changes the sampling waves into absolute values and set half period as data window length.
用该方法实现弹性波正演模拟只要算子半长度取到4—6，每波长取3个采样点即可获得精度很高的波场值。
The operator half length takes to 4-6 and each wave length takes 3 sampling, then the precise wave field can be obtained.
悬浮粒子的监测系统应当考虑采样管的长度和弯管的半径对测试结果的影响。
Where airborne particle monitoring systems are used, the length of tubing and the radii of any bends in the tubing must be considered in the context of the effect on test result.
与传统的数据长度补零逆傅里叶变换方法相比，在相同的采样分辨率条件下，该方法能有效减小计算量。
Compared with traditional inverse Fourier transform method, which used zeros padding method, at the same condition of sampling resolution, the method proposed could decrease the calculation load.
欲提高频率分辨率，只有增加时间窗长度或增加采样点数，这又必然会增大计算量。
Though increasing the time window length or the sampling number can improve frequency resolution, yet the calculation will be cumbersome.
所收集到的性能数据量取决于运行的长度、采样间隔、受测计算机的数量以及要收集的计数器的数量。
The amount of performance data that is collected depends on the length of the run, the sampling interval, the number of computers under test, and the number of counters to collect.
研究分析表明：尾气采样探头伸入排气尾管的长度及取样点前的测量管路密封性是保证测量结果正确性的主要因素。
The result shows that the length of the sampling pipe inserted into the vent-pipe and the vent-pipe's airproof are the key factors for the correct exhaust emissions results.
讨论采样频率、数据长度对结果的影响。
Discussion of the sampling frequency, data length on the results.
研究了连接动态压力传感器的信号线长度、放大器的滤波频率和数据采集系统的采样频率对空气压力波测量的影响。
The effects of the signal line length, the filter and the sampling frequencies on measuring air pressure pulse were studied in this paper.
长度为字节，采样为32位浮点格式。
语音通道可以设定语音数据所在内存的初始地址，语音长度，采样率及播放方式等。
PCM digital channel have owns DMA, it can playback automatically when voice data length and initial address are set.
文中从时域对重构后的数据长度进行了分析，并对多采样率滤波器组的重构条件进行了深入分析。
This paper analyzes the rebuild signals data-length in the time domain, and we also analyze in-depth the multi-sample-rate filter groups rebuild condition.
理论分析和仿真表明这种方法具有较强的抗干扰性，其频率测量精度主要与信噪比、频率偏差及采样数据的长度有关。
In this paper, a phase difference correction method is presented to correct the power frequency. This method has strong anti-disturbance capability by theoretical analysis and simulation.
理论分析和仿真表明这种方法具有较强的抗干扰性，其频率测量精度主要与信噪比、频率偏差及采样数据的长度有关。
In this paper, a phase difference correction method is presented to correct the power frequency. This method has strong anti-disturbance capability by theoretical analysis and simulation.
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