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基于PIC16F877A的超低频脉冲调制高频信号的实现
优质期刊推荐结果低频调制中频电并常规康复训练组复位率（66.67%）明显高于常规康复训练组（30.43%）（P<0.05）。
The restoration rate in the cure group(66.67%)was significantly higher than that in the control group(30.43%)(P< 0.05).
目的观察低频调制中频电水浴疗法对足踝扭伤后遗症状的治疗效果。
ObjectiveTo observe the effect of low frequency current hydroelectric bath therapy modulated by medium frequency on sequela of sprain of ankle.
中频电经络疗法：利用特有的1-150KMZ低频调制的中频电流，深入肌肤，产生模拟真人的按摩中医模式。
IF power meridian therapy: the use of 1-150KMZ specific low-frequency modulation of the IF current, in-depth skin, resulting in life-simulation model of the Chinese medicine massage.
由后者形成的低频调制高频TIG焊兼有低频脉冲TIG焊对熔池输入热量易于控制及高频脉冲TIG焊接电弧能量集中挺直的优点。
The high frequence TIG welding medulatedby low frequence has the advantages of both the low frequence pulse TIG welding in which the heat inputofthe wel…
目的观察低频调制中频电水浴疗法对踝部骨折后遗症状的疗效。
ObjectiveTo observe effects of modulated medium frequency low frequency current hydroelectric bath therapy on sequela of ankle fracture.
目的比较低频调制的中频电水浴疗法与电磁疗法治疗足跟痛的疗效。
ObjectiveTo compare the effects of modulated medium frequency low frequency current hydroelectric bath therapy and electromagnetic therapy on heel pain.
介绍了一种具有自动功率控制（APC）、自动温度控制（ATC）及调制输入接口的半导体激光光源，并对其低频调制特性进行了深入的实验研究。
A kind of Laser source with APC, ATC and modulation interface is introduced and It's low-(frequency) modulation characteristics are deeply studied.
本发明提供一种健康理疗芯片模块，作为低频调制脉冲理疗技术的一种实 现手段。
The invention provides a healthy physical therapy chip module as an implementing method of the low-frequency modulation pulse physical therapy.
与传统的轴承故障检测技木相比，其优越性在于可以提取振动信号的高频能量中的低频调制信号，从而大大提高了故障特征信号的信噪比。
Compared with traditional bearing fault diagnosis method, the approach proposed in this paper can detect the low frequency modulated components from high frequency band.
正、负偶（单）极强迫源对中高纬大气的低频振荡调制作用不同。
The frequency modulation effects of positive (negative) dipole or unipole forcing source on LFO in the mid-high latitudes are difference.
正偶（单）极强迫源对大气低频振荡的调制作用强于负偶（单）极，波动振荡明显加快。
The frequency modulation effects of positive dipole (unipole) forcing source on LFO is stronger than negative dipole (unipole), and the wave oscillation quicken evidently.
在等离子体中，特别是磁化的等离子体中，存在许多高频和低频的波，所以调制不稳定性会经常出现。
Since in plasmas, especially magnetized plasmas, there are many high and low frequency waves, such modulational instabilities can often appear.
目前，国内外广泛应用的非接触IC卡系统是基于感应耦合负载调制技术的近距离中低频读写系统。
At the present time, close quarters intermediate & low frequency RFID IC read-write system based on inductive coupling load modulated technology is used worldwide.
另外，当天线调制到适当的等离子密度时，它能对低频无线电波产生感应，同时对绝大多数雷达所使用的高频电波不起反应。
In addition, antennas tuned to the right plasma densities can be sensitive to lower radio frequencies while remaining unresponsive to the higher frequencies used by most radars.
使用调制技术的数据通信系统需要良好的低频响应，是对基于PLL频率合成器的数据通信系统的重要要求。
Data communication systems that employ modulation techniques requiring good low-frequency response place unique demands on PLL-based frequency synthesizers.
在毫米波敌我识别系统中，识别信息在低频部分经过数字信号处理后，进行扩频调制后由微波收发信机进行传输。
In Millimeter-Wave Identification Friend or Foe System (MW-IFFS), the identification information will be modulated by Spread Sequence after it is processed in Data Signal Processing (DSP) System.
让探头阵列每个探头工作在散射模式，并且把一个低频源加在探头上，对探头的散射信号进行调制。
The solution of the problem is that the probe worked as a scatterer , and a low-frequency signal fed to it .
然后用奇偶调制法将秘密信息隐藏在每个子系数集的低频DWT系数中。
Firstly, the carrier image is decomposed by the DWT, and then the horizontal, vertical, and the diagonal DWT coefficient sets are SPIHT encoded respectively.
分析了阻尼低频振荡的控制器选择，主要阐明了PSS，TCSC和直流小信号调制的应用场合。
Chapter 3 discuses the selection of damping controllers, especially for PSS, HVDC small signal modulation and TCSC modulation.
调制器完成对输入信号的量化并对量化噪声进行整形，将有用信号频带内的低频噪声搬移至高频段。
The modulator quantizes the input signal and move the low frequency inband quantization noise to high frequency.
恒频脉宽调制细分驱动器比常见的直流电压斩波驱动器具有明显的优越性，不仅能够显著改善低频稳定性和高频矩频特性，而且能够有效地利用能量。
Not only has it improves the stability in low frequency and the torque-speed characteristic in high frequency of the stepping motor, and can utilize energy availably.
采用齿谐波低频调制的设计方法，来削弱直线电机固有的端部效应，使推力的波动减小，并进行了多方案计算，得出比较好的设计方案。
The low-frequency slot harmonic modulation is used to weaken the end effect or decrease the wave of the thrust, and the many projects are designed or the better project is selected.
结论低频调制的中频电水浴疗法是治疗踝部骨折后遗症的一种简单、安全、疗效好的方法。
ConclusionThe modulated medium frequency low frequency current hydroelectric bath therapy is a simple, safe and better effect method for sequela of ankle fracture.
治疗组应用低频调制中频脉冲电进行2～6个月治疗。
The treatment group were treated with modulated medium frequency impulsed electrotherapy for 2- 6 months.
解释了高频调制效果比低频调制好的实验现象，并且给出了确定调制器参数的一般原则。
The phenomenon that the effect of the high frequency modulation is better than that of the low frequency modulation is explained, and general rules of choosing modulator parameters are also presented.
目的：探讨低能量低频调制射频辐射作为失眠物理治疗方法的可能性。
Aim:To explore the possibility of the low energy emission therapy (L EET) as a physical therapeutic method for insomnia.
目的：探讨低能量低频调制射频辐射作为失眠物理治疗方法的可能性。
Aim:To explore the possibility of the low energy emission therapy (L EET) as a physical therapeutic method for insomnia.
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