在空间预警系统中,由于系统采用红外测量,数据采样率低,很难直接获得关机点的高精度观测值。
In the space early warning system, infrared scan measurement and low sample rate make it difficult to acquire high precision burnout time.
在高数据采样率,特别是大时宽带宽积条件下,时域的数字正交采样和脉冲压缩包含大量的乘加运算。
The computation burden of the quadrature sampling and pulse compression is huge when the data rate is high and the time bandwidth product is not small.
经拉伸处理和窄带滤波的目标信号带宽大大降低,数据采样率也大大降低,因此计算量减小,利于工程实现。
The bandwidth of target signal after stretch processing and narrowband filtering, the data sample ratio and computing burden are reduced greatly and the method is easy for engineering implementation.
而研究人员所使用的手机,其内置重力感应器采样率仅为100次每秒,因此他们并没有足够的数据来计算得到明确的密码。
The accelerometer in the phone the researchers used samples only 100 times a second, so they did not have enough data to determine the exact keys struck.
soxmix程序要求要组合的文件具有相同的数据类型和采样率。
The soxmix program requires that the files to be mixed together be the same data type and sample rates.
数据采集系统的采样率(对AC信号)是十分重要的。
The sampling rate of a data acquisition system (for ac signals) is very important.
目前,数据采集系统对采样率、分辨率和抗干扰能力的要求越来越高。
In the data acquisition system, the request of the sampling rate, distinguishability and anti-interference ability is higher.
但由于数据量大,采样率低,响应速度受到限制,使它在要求实时响应的小型系统中很难得到应用。
But the large amount of data needed to be processed limits the sampling frequency and the responding velocity, makes it not practical in real time system.
对信号响应的波形特征进行分析和讨论,实验得出LIV信号半峰全宽与数据采集卡临界采样率成反比例关系。
The results show that there are inverse proportional relationship between full wavelength at half maximum(FWHM)of the LIV signal and critical sample rate of data acquisition card.
如实时设定的实际采样率和压力传感器零点、对传感器校准与标定的正确性等诸因素均可影响实测数据的精度。
Important factors include the sampling rate, the zero point of pressure sensor, and the correct calibration of sensor, the revised program and algorism may improve the precision of measurement.
对提高高速数据采集系统的采样率和存储器带宽这两大技术难题提出了补救措施。
The compensating measure is put forward to solve the two technological problems of sampling and memory bandwidth enhancement of high speed data acquisition systems.
地震数据采集系统的内部延迟是系统固有的,与采样率、滤波器的选择和仪器类型有关。
The internal delay in seismic data acquisition system is intrinsic feature of system and relative to sample, choice of filter and type of instrument.
虽然被动空气采样器被用来获得了近十年的空间分辨的数据,但是他们仍然有一些缺点,例如采样率计算的复杂性和有限性。
Though PASs have been used to achieve spatially resolved data for almost a decade, they still have some shortcomings, such as the complex and limited sampling rate calculation.
着重阐述了超出单片机寻址能力的大容量存储器的扩充方法及用软件实现变采样率的数据采集方法。
A method of large capacity memories expansion of excess 8031 location addressed ability and using software to collect data in different sampling frequency are emphatically described.
重心法是一种高精度的CCD像点位置提取算法,但由于需要处理的数据量很大,一般用硬件很难实现高采样率和实时性。
Centroid algorithm is a high accuracy method of locate the image point on CCD. But large amount of data need handling, which makes it difficulty to meet the demand of high respondency and real-time.
本文的主要研究工作和成果包括:介绍了在采样率与数据符号不同步的情况下,采用插值对定时进行调整的基本原理。
The main research work of this thesis includes:we study the basic theory of timing adjustment by interpolation under the circumstance that sampling is not locked to the incoming data.
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.
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.
应用推荐