Akustica, based in Pittsburgh, Pennsylvania, puts a MEMS microphone complete with the circuitry needed for digital output into a package less than 5mm square.
宾夕法尼亚州匹兹堡的Akustica公司将MEMS麦克风与用于数字输出的电路配套放入一个不足5平方毫米的组件中。
The US FBI plans to unveil a digital billboard in Times Square, New York, featuring photos and names of fugitives and missing persons, local media said.
据当地媒体报道，美国联邦调查局计划在纽约时代广场的一块电子屏幕上发布通缉犯及失踪人员的照片和姓名。
Each data point (represented by a square) on the sampled signal in Figure 10.23 represents one analog-to-digital conversion.
采样信号上的每一个数据点(一个小方块)图10.23代表这一次模数转换。
Square-root raised cosine roll-off digital filter was widely applied to baseband shaping filter and match filter in modern digital communication.
现代数字通信中广泛采用平方根升余弦滚降数字滤波器作为基带成形滤波器和匹配滤波器。
This article, through the analysis and reflections on the digital image, proposes one way of encryption suitable for the square matrix digital image.
本文通过对数字图像的分析和思考，提出一种适合于方阵数字图像的一种加密方式。
In the past thirty years, the work-horse algorithms in the field of digital signal processing and communication have been the gradient descent algorithm and the least square algorithm.
在过去的三十年中，数字信号处理和数字通信领域中采用的主要优化算法是最速下降方法和最小二乘方法。
The influence of Kerr effect to close-loop digital resonator fiber optic gyroscope based on square-wave frequency modulation was analyzed in theory.
对采用方波频率调制数字闭环谐振型光纤陀螺中克尔效应的影响进行了深入的理论分析。
The square wave source is an impulse source in which digital technique is used. It has the advantages of rigid phase, high frequency stabilization and high antijamming.
方波电源是采用数字技术的脉冲电源，具有相位严格、频率稳定度高，抗干扰能力强等独特的优点。
When the random processes that meet certain power spectra are simulated by digital filters to white noise, the step length of the filters affects response mean-square values and correlation functions.
当用计算机模拟满足一定功率谱规律的离散数字随机信号时，通常是对伪随机白噪声离散数字信号进行数字滤波来模拟。
This paper introduces design, optimization and implementation with FPGA of square-root raised cosine roll-off digital filter.
介绍了平方根升余弦滚降数字滤波器的设计和优化方法，并提出了用FPGA实现其硬件电路的方案。
Digital control is used to create a square wave, a signal switched between on and off.
数字控制被用来创建一个方波，信号在开和关之间切换。
Digital filtering technique based on least square method, multichannel sampling technique and frequency variation sampling technique were used experimentally.
实验应用了基于最小二乘法的数字滤波技术、多通道采样技术、变频率采样技术。
Digital filtering technique based on least square method multichannel sampling technique and frequency variation sampling technique were used experimentally.
实验应用了基于最小二乘法的数字滤波技术、多通道采样技术、变频率采样技术。
In order to obtain reliable strain field, full-field strain measurement based on least-square fitting of local displacement for digital image correlation method is proposed.
为了从含噪声的位移场中计算得到可靠的应变场，提出一种基于位移场局部最小二乘拟合的全场应变求解方法。
Direct digital synthesis is used for modulating the frequency and amplitude of the square wave.
此方法利用直接数字合成技术完成对方波的频率和振幅的调整。
DEM (Digital elevation Model) is a data set of plane coordinate or longitude, latitude, and elevation of the regular square grid points in some region.
数字高程模型(DEM)是一定区域范围内规则格网点的平面坐标及其高程的数据集或者是经、纬度和海拔高度的数据集。
Digital systems use signals, which are of pulse form, that is, a series of short-duration square waves.
数字系统使用信号脉冲形成的，也就是说，一系列的短周期平方波。
When the speed pulse signal is provided, a calculation of the speed curve is achieved using first order digital differential method and the lease square of five points three times smoothing approach.
对于有转速脉冲信号的情况，实现了基于一阶数字微分和最小二乘五点三次平滑方法的转速曲线计算方法。
In this paper, the least-square design problem of 2-d FIR digital filters with arbitrary frequency responses is studied.
本文研究具有任意频响特性的二维fir数字滤波器的最小二乘设计问题。
The digital camera's iris is controlled through a standard four-pin square connector that is included on all Pelco auto iris lenses.
数码相机的光圈控制，通过一个标准的4个引脚方形连接器，包括所有派尔高自动光圈镜头。
The digital simulative results show its good performance of estimation. It is compared with differential equation model-based least square algorithm and all-ware Fourier algorithm.
通过数字仿真计算验证了改进后算法的优良估计性能，将之与基于微分方程模型的最小二乘法、全波傅里叶算法作了比较。
The digital simulative results show its good performance of estimation. It is compared with differential equation model-based least square algorithm and all-ware Fourier algorithm.
通过数字仿真计算验证了改进后算法的优良估计性能，将之与基于微分方程模型的最小二乘法、全波傅里叶算法作了比较。
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