Based on the characters of long rang underwater acoustic channels and MFSK modulation, a new Frequency Group Coding (FGC) method is proposed in this paper.
本文针对远程水下信道和MFSK调制的特点，提出了一种新的频率分组编码(FGC)方法。
This study develops the switching power for the public bus voltage of the pumping frequency group control system and carries out a large number of experiments.
本文研究并设计了适用于抽油机变频群控系统这种特殊场合的开关电源，进行了大量实验并设计出样机。
It is indicated from the results that effected by the high frequency group pulse power, higher machining quality is obtained by choosing higher main pulse frequency.
结果表明，在高频群脉冲电源作用下，选择较高的主脉冲频率，可获得良好的加工质量。
Meanwhile, a new electrochemical machining power supply is introduced in detail-a power supply for high frequency group pulse electrochemical machining used in the micro-machining.
另外，还详细介绍了一种新型电解加工电源：用于微小型零件加工的高频群脉冲电解加工电源。
Results:Compared to the low frequency group, the diagnosis accuracy rate of high frequency group is nearly P >0 05 and the diagnosis accuracy was raised in high low frequency group.
结果：高频组准确率与低频组相近（P>0 .0 5 ） ，高、低频联合检查组确诊率高于低频组（P<0 .0 5 ）。
You will be prompted to enter the sensor name, sensor group, description for the new sensor, start time, stop time and frequency, similar to that of a new task.
与创建新任务相似，向导会提示您输入传感器名称、传感器组、描述、启动时间、停止时间和频率。
The precision for the frequency and quantile statistics can be modified for an individual column or a group of columns.
可以为单个列或一组列修改频率和分位数统计信息的精确度。
In the wild, elephants often need to communicate over long distances, using low frequency calls to keep tabs on other members of their group.
在野生环境中，大象经常要在距离很远的时候，彼此进行沟通和交流，这时它们会使用低频叫声和同一象群中的其它成员保持联系。
Today that responsibility falls largely on a group of high-frequency traders who make up an estimated two-thirds of stock-market volume.
现如今，这种责任感在很大程度上取决于进行高频率操作的交易员，这一团体的交易量约计占整个股市交易量的三分之二。
This group of symptoms (mainly pelvic, rectal, and abdominal pain, urinary frequency, and fatigue) has confounded physicians, psychologists, and the men who suffer from it for decades.
这组症状(主要是盆腔，直肠，腹部疼痛，尿频，疲倦)已经困扰了医生，心理学家，以及患了这个病的男人们几十年了。
The Group called for greater cooperative efforts by individual economies and the international financial institutions to improve the frequency, timeliness and comprehensiveness of data.
该小组呼吁个别经济体系及国际金融机构之间应有更多合作，以更频密地公布及时和全面的数据。
The physical process of frequency chirped Gaussian pulses broading induced by the group- velocity dispersion has been studied.
研究了线性光纤中色散导致初始频率啁啾的高斯光脉冲展宽的详细物理过程。
The HD-5 usually operates in group of three to cover all spectrum of frequency.
HD-5通常在三组频谱中操作去覆盖所有频谱。
"The frequency of ventilating tube insertion in the experimental group was not related to obesity, whether measured by BMI or triglyceride or total cholesterol concentration, " the authors write.
该作者还写道：“不论是测量体重指数、甘油三酯浓度或总胆固醇浓度，实验组患儿耳部置管术的频率均与肥胖症不相关。”
The oblique sounding is one of the powerful tools, by which an oblique ionogram is obtained with the group path or time delay against operating frequency.
斜向探测是电离层探测的主要方式之一，它能够获得电波传播群时延和频率关系的电离图。
The attack frequency and absent days in the health education group were less than those in the control group (P<0.01).
健康教育组在发作次数和缺课天数方面明显少于对照组（P<0.01）。
Severe diarrhea occurred at a higher frequency in the combination group than in the everolimus group.
严重的腹泻在联合用药组的发生率高于依维莫司组。
Analogue frequency leading USES classic crystal filter group, it has many shorts, such as a great deal components, high cost and large bulk.
模拟式频率引导采用经典的晶体滤波器组，其数量大、成本高、重量体积大。
The good news, the editorial writers say, is that women in the placebo group experienced about a 30 percent reduction in severity and frequency of symptoms during the 12-month follow-up period.
好消息是，社论作者说，安慰剂试验组的妇女在12个月的随访期间，频繁和严重的症状减少了30%。
The frequency of mutation is about 3% between other testing group and comparison of group.
而其他两试验组与对照组间突变频率在3%左右。
The characteristics of frequency correlation and group time delay of ambient noise and ship radiated noise in the sea are studied.
本文研究海洋环境噪声与舰船噪声的频间相关与群延迟特性。
Results The frequency of symptoms in FD group was significantly higher than that in PU group, and the symptoms of FD patients involved several systems.
结果FD组症状频率显著高于PU组，且症状结构呈多系统性，而PU组症状仍主要集中在消化系统；
Two primary factors increase how off-trail travel affects the land: durability of surfaces and vegetation, and frequency of travel (or group size).
路径以外行进在两个基本要素上会增强影响大地：地表和植被的耐久性，以及行进的频度(或者小组的人数)。
By statistical analysis to absorbance ratio of group characteristic frequency, it is discovered that the good relative rule consist in the ratio and binder chief properties.
通过基团特征频率吸光度比值的统计分析，发现其比值与粘结剂主要性能之间存在着很好的相关规律。
No severe adverse events were observed in either group. The frequency of events was generally similar between the two groups.
两组观察中无严重不良事件。两组间事件的发生率相似。
The amplitude frequency response and group delay response of SAW TVIF filters have been measured.
并测试了其幅频特性和群延迟特性。
Main transmission device: the main transmission device adopts electrician frequency inverter of Shenzhen Henchman to control the vector motor, transferring each group of printing cylinders.
主传动机构：主传动采用深圳汇川变频器控制电机，传动每组印版。
Main transmission device: the main transmission device adopts electrician frequency inverter of Shenzhen Henchman to control the vector motor, transferring each group of printing cylinders.
主传动机构：主传动采用深圳汇川变频器控制电机，传动每组印版。
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