Lut was replaced by the method taking triangle wave and differential in the line phase locked circuit , so it saves the hardware area and cost 在行锁相中,用取三角波然后差分的方法替换了查找表,减小了芯片面积,降低了成本。
Several methods to restrain the leaked signal are also given . it is a good reference for the fmcw millimeter - wave radar system design 通过对泄漏三角波的研究，给出了几种有效的解决方法，这对fmcw毫米波雷达系统的设计和其性能的提高，具有较好的参考价值。
The control scheme of the expenriment is setted using real time toolbox of maltab , experiments of 0 . 5hz , 1hz , 2hz and 5hz triangle wave stimulation are carried out 运用运用matlab的实时工具箱,建立了实验系统的控制框图,测定了0 . 5hz , 1hz , 2hz , 5hz三角波条件下的特性。
The typical control methods for apf such as triangular wave modulate , hysteresis control and timing control , etc , these methods all have some demerits 而有源电力滤波器常用的控制方法为三角波调制、滞环控制和定时控制等常规的pwm控制法，这些方法均存在一定的不足。
In this paper , the theory of using triangular radar to detect the metallic target is discussed , and the wavelet packet transform and its algorithm are also described in detail 摘要论述了用三角波雷达探测地下金属目标物的原理，介绍了小波包理论，给出了小波包特徵提取的算法。
( 2 ) based on pci , finish plan of the project , hardware design and debugging of wide signal source of radar . the system can produce single , lfm and other arbitrary waveform ( 2 )完成了基于pci总线的任意波形信号源的方案设计、硬件设计与调试,该系统可产生单频脉冲?线性调频信号、三角波等任意波形信号。
The 33220a provides easy access to standard sine , square , ramp , triangle , and pulse waveforms plus you can create custom waveforms using the 50 msa s , 14 bit , 64 k - point arbitrary waveform function 33220a能容易地访问标准正弦波方波斜波三角波和脉冲波形，您还能用50msa s 14bit 64k点任意波形功能建立定制波形。
Make a comparison among different driving signals , including square , triangle , sinusoidal and sawtooth wave , it is shown that the square wave has the best driving result and the sawtooth wave has the worst one 实验还对方波、三角波、正旋波及锯齿波等几种不同的驱动信号产生微射流的效果进行了对比。结果表明方波信号产生的微射流最强，锯齿波产生的最弱。
Several control strategies used in shunt active power filters such as triangular carrier waveform control 、 hysteresis - based current control 、 instantaneous current control under fixed frequency have been researched , and the characters of them have been gained through these analysis 对并联型有源电力滤波器的三角波载波线性控制、电流滞环跟踪控制、定频瞬时值控制等电流控制策略进行了研究,通过理论分析比较了各自的特点。对采用ip
Battery is the only power source for portable equipment . in order to prolong the service time of these battery - operated equipments , ultra - low - power consumption is demanded . the main method that decreases the power losses is to higher the conversion efficiency and to lower the operating voltage 开关变换器内包含了带隙参考电压源、误差放大器、频率补偿电路、三角波产生电路、 pwm比较器以及数字逻辑控制电路,此芯片采用联华电子公司0 . 6微米cmos工艺。
