Using a complex analytical signal representation, the free-space propagation properties of ultrashort pulsed Bessel-Gauss beams whose waist width is independent of frequency are studied.
使用复解析信号法研究了束宽与频率无关的超短脉冲贝塞尔·高斯光束在自由空间的传输特性。
It is concluded that both of the representations are applicable to study narrowband pulse, but for broadband pulse only rigorous complex analytical signal representation should be adopted.
因此，窄带脉冲光束可以采用复振幅包络和复解析信号两种表示式来研究，而对于宽带脉冲光束，必须采用严格的复解析信号表示式。
Now we depend on signal and power analytical method with high speed and high precision more and more.
这要求我们更加依赖于对信号及电源问题的高速度高精度分析手段。
The chapter three mainly discusses analytical method of front signal, and analyses signal in different ways, obtains most useful, sensitive and direct signal.
第三章主要讨论前端信号分析方法，从不同角度分析信号，获取最有用、最敏感、最直观的信息。
Because the signal processed by fuzzy controller is based on system behavior rather than its analytical model, open loop responses of a robot are described by a set of second order systems.
因为模糊逻辑控制器的控制信号是由系统的响应行为而不是由其分析模型决定的，所以机器人的开环响应可以用一系列二阶系统来描述。
The purpose of the 106 cases of serious cases of adverse drug reactions Analytical Mining warning signal, rational use of drugs for clinical safety to provide a warning.
目的对106例严重药品不良反应病例进行分析挖掘警戒信号，为临床安全合理用药提供警示。
The analytical method of high-resolution selected-band spectra is an imported one in digital signal processing.
选带频谱细化分析方法是数字信号处理中的一种重要分析方法。
Gastric slow waves were recorded by multi-channel physiological signal analytical system. Effects of antagonists of various 5-ht receptors on gastric slow waves were analyzed by spectral analysis.
以多导生理信号分析系统记录胃慢波，以频谱分析法分析不同5 - HT受体拮抗剂对胃慢波的影响。
In this paper, we research the signal processing techniques which is one of the areas of analytical chemistry chemometrics.
本文所研究的方向是分析化学计量学中的研究领域之一——数字信息处理技术。
Functional analysis of signal and system is a modern analytical method which is used for describing and studying the properties of signals and systems by means of functional analysis theory.
信号与系统的泛函分析是以泛函理论为工具描述和研究信号与系统特性的近代分析方法。
The general analytical expressions of PTR signal for multilayer samples are derived. The optically opaque three-layer sample is analyzed in details.
从理论上推导了一般情况下多层样品PTR信号的解析式，分析了光学不透明三层样品。
The zero phase shifting filter technology was introduced to the field of analytical chemical signal process.
无相移滤波技术引入了分析化学信号处理领域。
In the platform, the short wave signal is digitalized in the radio frequency band and converted into the analytical baseband signal.
在这个平台上对短波信号射频数字化，然后进行数字变频，获得宽带基带解析信号。
Two very pithy and powerful analytical expressions for saturated signal gain and signal output power of fiber optical parametric amplifiers are educed with numerical analysis.
通过数值分析的方法推导出光纤参量放大饱和信号增益和信号输出功率的数学表达式。
Two very pithy and powerful analytical expressions for saturated signal gain and signal output power of fiber optical parametric amplifiers are educed with numerical analysis.
通过数值分析的方法推导出光纤参量放大饱和信号增益和信号输出功率的数学表达式。
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