The stability of genetic carrier (cluster) is dependent on the competition between repetitious cooling and heating impulse as well as effects of electric pulse modification.
遗传载体—团簇的稳定性在于反复冷热激励与电脉冲孕育两因素的竞争。
After analyzing the spectrum of a group of signals, non-polar differential exponent pulse signal was selected as carrier wave, which can separate therapy threshold and ache threshold.
通过对载波信号的频谱分析，提出了一种能分离治疗阈值与疼痛阈值的无极性指数脉冲。
But to the CW pulse signal with changing carrier wave frequency, common filter cannot achieve narrowband filter, whereas broadband filter cannot reach the request of the signal-noise ratio.
可是，对于载波频率不断变化的CW脉冲信号，普通的滤波器难以实现窄带跟踪滤波，而宽带滤波又不能达到提高信噪比的要求。
The remote control device crystal frequency stabilization using pulse amplitude modulation transmitter, A simpler circuit, high frequency stability, launched 28MHZ are continuous carrier amplitude.
该遥控装置采用晶体稳频脉冲调幅发射机，电路较简单，频率稳定度高，发射的是间断的28MHZ等幅载波。
The asynchronous machine is fed by cascaded multilevel inverter, and the inverter switching signals are generated by carrier phaseshifted pulse width modulation method.
采用级联型多电平逆变器给异步电机供电，逆变器的开关信号利用载波移相脉宽调制方法生成。
Through the spectrum analysis of carrier pulse signals and the test results of carrier receivers, the author proposes further a method for selecting the…
通过对载波脉冲信号作频谱分析和载波接收机接收载波脉冲信号的试验，提出了选取调制脉冲宽度范围的建议。
Carrier Free Pulse Radar is the important application field of transient electromagnetic theory.
无载波脉冲雷达是瞬变电磁场的一个重要应用领域。
Through the spectrum analysis of carrier pulse signals and the test results of carrier receivers, the author proposes further a method…
通过对载波脉冲信号作频谱分析和载波接收机接收载波脉冲信号的试验，提出了选取调制脉冲宽度范围的建议。
This paper introduces a new design method and its achievement through hardware and software of the carrier free pulse radar test system.
本文提出了无载波脉冲雷达测试系统新的设计方法及其硬件和软件的实现。
Radar signal Carrier Frequency and Pulse amplitude are very important parameters in radar countermeasure and radar reconnaissance .
雷达信号载频与脉冲幅度是雷达侦察与对抗的重要参数。
The input and output carrier of SAW delay line is constant to maintain the coherence of the pulse, which can be well applied for deception jamming in PD radar.
而声表面波延迟线输入输出载频不变，并能始终保持脉冲的相参性，用于PD雷达欺骗干扰，是实用的方案。
This paper organizes discussion around the CW pulse signal. The main problem is how to search and track the CW pulse signal with changing carrier wave frequency.
本文围绕CW脉冲信号开展讨论，其核心内容是如何实现对载波频率不断变化的CW脉冲信号进行搜索和跟踪。
Taking the effects of space charge and carrier diffusion as well as injected current pulse width into account, an analytic expression of a transit angle of 8 mm Si DDR IMPATT diode is derived.
在考虑载流子的空间电荷效应、扩散效应和注入电流脉宽情况下，推导了双漂移崩越二极管的渡越角表达式。
It is verified to certain extent that genetic carrier (cluster) among filial generations possesses transferability by analyzing the variability of aluminum melt under pulse electric field with DSC.
DSC分析揭示了脉冲电场下熔体结构的变异性，一定程度上验证了记忆载体——团簇在子代间的传递。
The main results obtained are as follows:1. The ultra-fast characteristics of photoconductive switches were mainly determined by the optical pulse width and the carrier lifetime of the chip material.
光电导开关的超快特性主要由触发光脉冲脉宽和开关芯片材料载流子复合寿命决定。
This paper introduces the influences of phase noise to radar systems. The measurement of phase noise in pulse modulated carrier is one of the most important techniques.
介绍了相位噪声对雷达系统的影响，这是毫米波精密制导技术的关键课题之一。
This paper introduces the influences of phase noise to radar systems. The measurement of phase noise in pulse modulated carrier is one of the most important techniques.
介绍了相位噪声对雷达系统的影响，这是毫米波精密制导技术的关键课题之一。
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