主频

FD患者治疗后与治疗前胃电参数指标进行比较：主频、主功率显著增加（P<0.05）；

The gastric electrical activity parameter of post-treatment compared with that of prior-treatment : basic frequency and main power increased significantly ;

调控电路分时传递的切换频率，将主频信号在一周期内由n条支路在其固定的1/n时段分时有效地传递，其合成即为滤波器传递的主频信号。

Adjusting the switching frequency at which the signal is time-division transferred , the basic frequency signal is transferred through n branches within one signal cycle efficiently , and each branch works for a fixed 1 / n of the signal period .

可利用纵横波的振幅、主频、衰减（或品质因子Q）和主振幅的变化来检测裂缝张开度的变化；

The main frequency , attenuation and amplitude of seismic wave can detect change of crack opening .

CPU由几兆主频的8086发展到现在千兆的奔腾四代，主流操作系统也历经四代，功能日趋强大。

CPU became from 8086 to PIX and the operating system also experienced from 4 generations .

随着CPU的主频超越千兆赫，存储器技术逐渐成为计算机内部体系结构性能的瓶颈。

With the CPU running over a gigahertz , memory technology becomes the performance bottleneck within the system architecture .

根据DSP的工作主频和控制系统的精度要求，引入倍频器来减小频率调整步长，以实现高精度控制。

According to the frequency of DSP and the requirement of control precision , frequency multiplier has been used to reduce to adjusting step size .

结果：对稳定性、A－B差值、反应幅值、波重复性、频带重复性及信噪比、主频等分别进行分析，得出了正常值。

Result : Analysis of the normal values of the stability , AB difference , response amplitude , wave reproducibility , band reproducibility and band SNR , dominant frequencies were obtained .

同时在频率域内探讨了纵横波的主频、带宽、品质因素Q随不同含气饱和度的变化。

At the same time , the changes of main frequency , frequency band and quality factor with the variations of gas saturation are analyzed .

本课题的软件在Matlab5.2环境下编写生成，在IBMPc586（主频400M）上调试通过。

The software in the paper is programmed with Matlab 5.2 , debugged successfully on IBM PC 586 ( 400MHZ ) .

对向内发射同轴虚阴极振荡器微波主频进行了解析求解，利用稳态相对论流体Maxwell方程组得到了微波主频所满足的方程；

The dominant frequency in an inward-emitting coaxial virtual cathode oscillator is solved analytically based on the steady-state relativistic-fluid-Maxwell equations .

由于主频的限制，单DSP系统不能满足某些大运算量的科学计算和高速的实时信号处理的要求。

Due to the frequency limitation , an image fusion system with single DSP core cannot meet the requirements of large amount scientific computing and high speed real-time signal processing .

本文采用陷波、数字相敏检波、基于多分辨率分析的硬阈值去噪算法和FFT、频率校正等算法，估计出回波信号中调制信号的主频。

Algorithms such as notch filtering , digital phase detection , denoising with hard threshold based on multiresolution analysis , FFT , and rectifying frequency etc.

全部程序在IBMPc586（主频233MHz）上调试通过。

All programs are debugged successfully on be IBM PC 586 ( 233MHz ) .

EGG主频率比增加、主功率比增强，与治疗前比较差异均有显著性（P0.05或P0.01）。

EGG main frequency ratio was increased and the EGG main power ratio was strengthened with significant differences as compared with those before treatment ( P0.05 or P0.01 ) .

便秘患者在REM睡眠期胃电主频升高幅度较正常对照组小。

The patients with sleep disorder and constipation had a smaller in-crease in the DF with normal volunteers in REM sleep .

提取梨的物理参数和碰撞试验参数，然后通过SAS软件对各参数和响应主频率的相关性进行了分析。

The correlation between response frequency and physical property parameter of pear or peach has been analyzed , and Prediction models of firmness have been established .

对响应主频率值、E值、第一响应幅值、第二响应幅值与贮藏时间、质地参数（硬度H1、回复性、胶性、咀嚼性）的相关性进行了分析。

The correlation of the resonance frequency , E value , the first response amplitude , the second response amplitude with store days and texture parameters were analyzed .

版图后模拟验证以及CPLD硬件仿真验证表明：微处理器工作主频达到50MHz，全部共88条指令运行正常。

Post-simulation and emulation with CPLD indicate that the microprocessor is normal to run .

结果：十二指肠溃疡病人基础状态胃电主频率、正常胃慢波百分比明显低于健康人（P0.05）；

Results In the basic state of the patients with active duodenal ulcer , dominant frequency and percentage of normal gastric slow wave were lower than in the healthy subjects ( P 0.05 );

算例表明，在一台AMDAthlon3200+（主频2.0GHz）PC上，该算法的四面体单元生成速度达50000个/s以上。

Example shows the generating rate of this algorithm is above 50 ? 000 tetrahedrons per second on an AMD Athlon 3200 + ( 2.0 ? GHz ) personal computer .

对不同龄期、不同水泥掺入比的水泥土试块进行超声波测试，利用FFT技术分析得到水泥土超声波信号的主频。

Different age and different cement ratio of cement soil are tested with ultrasonic instrument . Get main frequency with FFT technique analysis to ultrasonic wave signal of cement soil .

利用RDS技术发布气象预警信息，与主频广播信号叠加后发射。

Severe weather warning information issued by the technology of RDS , and added up to the dominant frequency to launch .

该方法首先利用多道地震记录进行地震信号的检测，求出地震信号振幅谱的峰值频率f，并换算成主频fd；

This method is performed in the following steps : ( 1 ) take the peak frequency f_p on the amplitude spectrum obtained after multi-trace signal extraction , then convert it into dominant frequency f_d ;

近年来，计算机处理器的发展趋势正从高主频的单核处理器转向片上多处理器（CMP，Chipmulti-Processor），从依靠指令级的并行转向线程级并行。

In recent years , computer processor is transforming from high-frequency single-core processors to on-chip multi-core processors ( CMP , Chip Multi-Processor ), and from thread-level parallelism to instruction-level parallelism .

明胶溶液的pH值较大时，超声回波信号频谱主频幅值较大，频谱主频偏移量较小，明胶溶液内部分子呈开放线团构象。

The higher the pH value of gelatin solution is , the larger the peak values of ultrasonic echo signal frequency spectrum . The offset of frequency spectrum is small and the molecules in gelatin solution have a open coil conformation .

给出了采用简化方案和优化技术的实验结果，并作了分析，构建的室内3D游戏渲染引擎在主频率为40MHZ的中低档手机上取得了流畅的刷新速度。

Some experimental results are given , the indoor 3D game rendering engine can be run on mobile phone of low computing power with smooth animation .

在Web服务器配置方面，为了提高电子商务网站访问性能，要尽可能多分配内存和CPU时间给Web服务器、增加内存、考虑使用更高主频的CPU或者使用多CPU等。

Regarding Web server configuration , and to enhance the electronic commerce Web station accessing performance , some measured can adopted : more memory and more CPU time distributed to Web server , higher frequency CPU adopted or more CPU adopted .

AMD长期以来一直宣称，芯片实际性能的提高比一味提高主频更重要，而一味提高主频正是英特尔公司的长期的芯片设计哲学。

AMD had also argued for years that there was more to performance than simply getting chips to run at ever higher clock speeds , the approach favoured by Intel .

依靠上述创新，整个软件做到了结构清晰、代码高效，多种媒体文件能够在主频200兆赫兹的智能手机CPU上流畅播放。

Taking advantage of the innovation mentioned above , the whole software had clear structure and higher code efficiency . Different kinds of streaming-media could be played smoothly on intelligent mobile phone with CPU frequency of 200 MHz .

随着多媒体设备性能的提高，人们对视频质量的要求也随之提升，人们需要更加清晰的视频信号，但CPU的主频提升遇到了瓶颈，CPU也转向多核心方向发展。

With multimedia equipment performance increasing , people request video quality promoting too . People need clearer video signal , but the CPU basic frequency promotion meets the bottleneck , and CPU also changed the multiple-core direction to develop .