低频方波,low-frequency square-wave
1)low-frequency square-wave低频方波
1.Alow-frequency square-wave DC/AC inverter and its control strategy;一种低频方波DC/AC变换器及其控制
2.Investigation of single-stage soft-switched DC/AC converter withlow-frequency square-wave output;低频方波输出的单级软开关DC/AC变换器的研究
3.Summaries were made to the advantages and disadvantages and application of electronic ballast circuit topologies working inlow-frequency square-wave.综述了几种典型的低频方波电子镇流器电路拓扑的优缺点及应用,分析了一种基于半桥的两级低频方波电子镇流器的工作原理及控制方案。
英文短句/例句
1.Research on Low-frequency Square-wave Electronic Ballast for HID Lamp;低频方波HID灯电子镇流器关键技术研究
2.Study on High Intensity Discharge Lamp Electronic Ballasts with Low-Frequency Square-Wave低频方波高强度气体放电灯电子镇流器研究
3.VLF Field Strength Calculation Methods Based on Waveguide Mode基于波导模式的甚低频场强计算方法
4.Research on Low-frequency Sine Waveform Exciting Mode for Electromagnetic Flowmeter;电磁流量计低频正弦波励磁方法的研究
5.Research on Low-frequency Three-value Trapezoidal Waveform Exciting Mode for Electromagnetic Flowmeter;电磁流量计低频三值梯形波励磁方法的研究
parison of three methods of calculating low frequency ground-wave propagation over irregular terrain不规则地面低频地波传播预测方法的性能比较
7.Short wave lengths correspond with high frequencies, and long wave lengths to low frequencies.短波波长和高频相对应，长波波长与低频相对应。
8.Study on wavelet-based soft-thresholding deblocking algorithm for low bit rate video低码率视频的小波域软阈值去方块滤波算法的研究
9.Boussinesq Modeling of the Surf Beat in the Nearshore Zone;近岸低频波浪的Boussinesq模拟
10.The New Theoretical Calculation Method of Extremely Low Frequency Propagation in Earth-Ionosphere Wave Guide;极低频在地—电离层波导中传播的新的理论计算方法
11.31 Bit Low Frequency SAW Programmable Matched Filter31位低频声表面波可程序匹配滤波器
12.Using GPR to Measure Soil Moisture Content利用低频微波波段GPR测量土壤含水量
13.Using a method of the spatial frequency filtering by combining the directional filtering with the very low frequency filtering, the desirable optical signals cau be taken out of a considerably complex image.采用方向性滤波与极低频滤波相结合的方法,可以从较复杂的图象中提取所需用的信号.
14.One method is to filter the signal bef ore transmitting it in the channel in the low-frequency part of the chaotic sys tem.一种改进的方法是在发射端用滤波器滤去混沌信号的高频部分 ,只传输低频部分。
15.VHF square wave generator甚高频方波信号发生器
16.An X band Low Phase Noise Wideband Frequency SynthesizerX波段宽带低相位噪声混频锁相频率源
17.Blind watermarking algorithm of color video based on lowest fre-quency domain of 3D wavelet基于三维小波低频域的彩色视频盲水印算法
18.It"s fluctuating in systematic intervals along the ultra-low frequency.它随着超低频产生有系统间隔的波动
相关短句/例句
low frequency square wave低频方波
3)ultra-low square-wave超低频方波
4)control / low frequency square wave控制/低频方波
5)low-pass filtering method in frequence domain频域低通滤波方法
6)variance of low frequency wavelet coefficients小波低频系数方差
1.Utilizing the self-learning and self-adaptive capabilities of CPN and with adaptively changing the length of segment,the relationship between the important characters of audio signals and embedded watermark was learned by using thevariance of low frequency wavelet coefficients with strong stability as the input of CPN,to achieve the purpose of embedding watermark.利用CPN自学习和自适应的特征,通过自适应改变段长的分段算法,选用具有较强稳定性的小波低频系数方差作为输入向量训练CPN,建立音频特征与水印信号的对应关系,以达到嵌入水印的目的。
延伸阅读
方波伏安法分子式：CAS号：性质：是将一个对称的方波电压叠加在阶梯形电压上，记录正向脉冲后期和反向脉冲后期电流之差△I，根据电流差值对阶梯扫描电位的伏安图进行分析的方法。其伏安图呈对称峰形。可根据其峰电位和峰电流分别进行定性分析和定量分析。
