和电路

All these analyzation are useful to guide the circuit design and help to optimize the circuit design and save power.

这些分析指导了后续电路的设计，并优化了整体调制器电路的性能和功耗。

The model is implemented with the circuit simulation tool PSPICE, and can be used to analyse oscillating properties, including the detection mode transient response, stable response and frequency response to angular rate.

利用这个电路模型，可以分析陀螺的振动特性，包括检测振动的瞬态响应和稳态响应，检测振动对输入角速度的频率响应特性，从而可以获得陀螺工作的优化条件；并为传感器与接口电路的整体模拟打下基础。

In this architecture,the motion estimation can share the same Process Array with Vector Quantization in order to reduce the chip area.

其中运动估计电路可和矢量量化器共用处理器阵列，从而减少了编码器的电路规模。

It is sure that CMOS process will be replacing the III-V compound process such as gallium arsenide or silicon bipolar process that were dominant in the fields of radio frequency and microwave.

采用CMOS工艺进行射频电路设计的一个好处是，使得模拟射频收发器电路和基带信号处理电路由同种工艺实现，迎合了单片系统集成的发展趋势。

The structure and characteristic of the band-pass filter are analyzed,and parameters of components are calculated,and a Back-EMF zero-cross detection circuit for BLDC motor sensorless control is designed in this paper.

分析了带通滤波器的结构、幅频和相频特性，计算获得了符合要求的参数，设计了由带通滤波器构成的无刷直流电动机无位置传感器控制用反电动势过零检测电路，并给出了该检测电路的简化型式。

Lastly, simulation was carried out, the results verified the efficiency of binomial expansion method in practical applications, therefore it is of great importance in design of analog fractance circuit and theoretical research of fractional calculus.

最后对该电路进行仿真，证明了二项展开法在实际应用中的有效性，对于模拟分抗电路的设计和分数演算的理论研究具有十分重要的意义。

The converter combines the advantages of the PWM technique and soft-switching technique, the PWM is effected all over the whole loads range, and soft-switching is effeted only in the switching transition period, the ZVS of leading-leg is achieved by using the energy stored in leakage inductor of the transformer and the output inductor, the ZCS of lagging-leg is achieved by using a blocking DC capacitor, the ZVS and ZCS are achieved for the whole load ranges (5A~250A).

控制电路采用相移控制方式，综合了PWM控制和软开关技术的优点，在大范围内实现PWM控制，而在功率器件换流期间实现软开关换流，其中超前桥臂利用变压器的漏感，实现了零电压开关，滞后桥臂利用隔直电容，实现了零电流开关，并且整个变换电路能在（5A~250A）的范围内实现软开关工作条件，满足弧焊电源负载变化大的特点。

Secondly, the design of hardware, especially the main circuit of full bridge ZVS PWM switching power supply and control circuit of DSP are discussed.

然后介绍了系统的硬件设计，着重叙述了移相全桥软开关电源主电路和DSP控制电路的设计。

An H bridge driving circuit for electric motors in actuation mechanisms is designed with a PID-based control program worked out.

开发了基于H桥电路执行机构的电动机驱动电路和基于PID的控制程序。

A circuit comprises a first (6) and a second (21) input for receiving a differential signal and a buffer circuit.

一种电路包括用于接收差分信号的第一(6)和第二(21)输入端及缓冲电路。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。