signal length的例句大全

The Discrete Chirp Fourier Transform ( DCFT) proposed recently is an effective technique for chirp signal detection. But it requires some rigorous restrictions on the signal length and parameters. These requirements restrict the application of DCFT.

离散Chirp Fourier变换（DCFT）是最新提出的一种检测线性调频信号的有力技术，但它对信号的采样点数和信号参数有着近乎苛刻的约束条件，限制了它的工程应用。

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in the process of defining wavelet transform, signal length is assumed to be infinite, but the actual signal's length is limited, it is necessary to extend signal length before transform.

在定义小波变换时，信号长度认为是无限长的.但实际的信号是有限长的，所以，在对其进行变换前需将其外延。

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The results for reconstruction of discrete finite length signal from FT spectral magnitude or phase are further extended for that of continuous signal, and both are expressed in a unified form by the zero set of the extended FT.

将幅谱、相谱重建离散有限长信号的结果推广于连续场合，并用延拓FT的零点集统一表述。

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Theoretical analysis and computational simulation show that ( 1) there are a group of finite length generalized inverse signals for any finite signal, which form the GIG;

研究表明，有限长信号存在多组有限长广义逆信号，它们构成原信号的广义逆群；

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The frequency domain algorithm of quadrature interpolation and pulse compression in radar signal processing is derived. Segmental filtering method is studied in view of frequency domain filtering processing of long signal sequence so that optimum segment length is achieved;

推导了雷达信号处理中正交插值和脉冲压缩处理的频域算法，针对长信号序列的频域滤波处理，研究了分段滤波方法，得出了最佳分段长度。

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It is an new approach of time interval and frequency measurement, which can be used to measurement short time interval by detecting the phase coincidence point between the signal and its transfer delay with related length.

这一理论利用信号的时&空关系通过对被测时间信号与其在长度空间上传输延迟的重合检测来测量短时间间隔，依此为基础可完成各种时间间隔与频率测量仪器。

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Inputting high-frequency and single pulse signal into coaxial line, the time delay and distortion caused by dispersion can be recorded and measured by digital oscilloscope. The line length and attenuation coefficient are achieved.

将高频单脉冲信号输入同轴电缆，借助数字存储示波器记录输入、输出端的波形和相对延时，可以测量传输线的电缆长度和衰减系数，同时观察脉冲波形因色散引起的畸变。

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Readout signal of optical disc with multi-level run-length limited coding

多阶游程长度受限编码的光盘读出信号

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Then does numerical simulation about the effect of the optical fiber length, pump power, signal power and doping concentration on gain of the optical fiber amplifier, and selects optimal parameters for the amplifier by analyzing the simulation result.

接着对光纤长度、泵浦光功率、信号光功率以及铒/镱离子的掺杂浓度比例对光纤放大器增益特性的影响进行了数值模拟，分析仿真结果从而选择了放大器最优的参数。

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From structure of optical disk, its signal trace can be viewed as a reflection grating, so track pitch of optical disk and the length of the signal trace on a CD can be measured.

基于光盘的结构，将光盘抽象为一个反射光栅的模型，从而测出了光盘的道间距及信道轨迹长度。

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In the probe, tunning fork is used to modulate focal length, and reference signal is provided by reference optical path.

该测头采用振动音叉调整系统的焦点位置，用参考臂光路提供参考信号。

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A brief introduction to MLSSA ( Maximum-Length Sequence System Analyzer) is presented, which is developed over the MLS signal theory by DRA laboratories, U.S.

介绍美国DRA实验室研制的基于最长序列MLS信号测试技术的扬声器电声分析系统MLSSA。

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The result shows that vehicular queuing length, delay and stop rate at intersections have significant gray correlation to signal cycle time.

通过对算得的各关联度进行比较，得出排队长度和延误两个指标都同周期时长有较大的灰关联关系。

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The first layer is coordinate unit of signal system which provides optimization cycle length and phase difference for intersection based on theory of green wave.

第一层为系统的协调单元，它根据双向绿波原理，为交叉口提供优化的周期和相位差。

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The effect of Gauss beam waist and imaging lens F, signal light axis offset, length to wide ratio of rectangular detector and signal light axis tilt to heterodyne efficiency have been analyzed and discussed.

分别讨论了高斯光束束腰和成像物镜F数、信号光光轴偏移量、矩形探测器长宽比及信号光光轴倾斜角度对外差效率的影响。

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In this method the opening operation of rectified signal's absolute value is performed to filtrate the spike noise, then the dilation operation of flat structuring element, whose length is one half of the period of power frequency, to extract the magnitude characteristic of the signal;

该方法先对整流信号（取绝对值以后的信号）进行开运算以滤除尖峰噪声，再用长度为1/2工频周期的扁平结构元素进行膨胀运算提取其幅值特性；

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for a given conducting medium, the delay is proportional to the length of the signal path.

对于给定的传导介质，延迟与信号通路的长度成正比。

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the path length (and therefore, the phase delay) varies, depending on the number of relays that the signal must go through.

依据信号必须通过的继电器数量的不同，路径长度（从而，相位延迟）也发生变化。

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measurement of track pitch of the optical disk and signal trace length

光盘道间距及其信道轨迹长度的测量

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Now at length Goering could give them the long-awaited signal.

现在戈林终于能够对他们发出久经期待的号令.

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