The small-signal model, close-loop block diagram and transmission functions of ZVS PWM TL of converter are derived for the first time. It offers theoretic foundation of the close-loop design on detail circuit.
论文推导出零电压开关PWM三电平变换器的小信号模型、闭环框图和几种传递函数，为具体电路的闭环设计提供了理论根据。
The driving circuit of LD and signal the signal processing circuit is designed. The schematic diagram of the circuit of the measuring system, the data and the analysis of the data are given.
设计了半导体激光器的注入电流锯齿波驱动电路和信号处理电路，给出了测量系统电路处理部分的原理图及实验数据，并对结果进行了分析。
Through the electricity-power-sound analogy method, it draws the equivalent circuit diagram of the dynamic system, the equivalent diagram of the glottis and the acoustic impedance and the circuit model diagram of voice signal system of the model.
应用电-力-声类比的方法，画出了该模型动力学系统的等效电路图、声门声阻抗等效电路图和语音信号系统的电路模型图。
Besides, according to constellation diagram of QPSK signal and the constant mode characteristic of bit synchronization point, it puts forward a synchronous method, in which the variance of mode is the minimum; in addition, it particularly designs synchronous circuit.
针对QPSK信号的星座图以及位同步点的恒模特性，给出了位同步点模值方差最小的同步方法，并详细设计了位同步电路。
On the basis of Spectral performance of PAL signal, the separation of luminance signal using the comb filter composed of 2 H delay line is discussed. The block-diagram of experimental circuit is given. The effects of error is analysed.
本文基于PAL信号的频谱特点，分析了由2H延迟线组成的梳状滤波器分离亮度信号的原理，给出了实验电路框图，并简要叙述了误差带来的影响。
We also have completed its circuit diagram. We developed the software of 2407A which included the configuring of the system, exterior interrupt, counting of the Quadrature Encoder Pulse (QEP) signal and serial communication etc.
编制了2407A的软件，其中包括系统的配置、外部中断、正交编码脉冲信号的计数和串口通信等部分程序，程序的开发采用了CCS2.21。
Firstly, providing detailed analysis of all circuit hardware device selection and parameter design; then the main control unit of DSP and signal detection hardware device is designed; finally the control flow diagram and the software anti-interference measures of the system is designed.
首先对各个电路硬件系统的器件选型以及部分参数设计提供了详细的分析介绍；然后设计了DSP主控单元以及信号检测部分硬件装置；最后设计了系统的主控流程图以及系统软件抗干扰措施。
Finally, in order to realize the classification of power quality disturbance signal, classification tree is completed by combinational logic circuits and the hardware circuit diagram.
最后将分类树分类器用组合逻辑电路实现，以此来完成对电能质量扰动信号的分类辨识。
This paper obtained the frequency domain block diagram using AC small-signal analysis model and the parameters of main circuit components were designed properly.
使用交流小信号分析法得到了系统的频域方块图，并对主电路元件参数以及调节器进行了优化设计。
This paper presents the composition, principle, and detailed diagram of an unlimited sample-hold and auto-nulling circuit for analogue signal applications.
本文介绍一种模拟信号的无限采样保持和自动清零电路的构成和工作原理，并给出电路图。
The circuit diagram and wiring method of the apparatus are given out, which make it be able to do connection signal apparatus. In terms of the diagram to buy materials and connect, the apparatus can be made.
给出该装置的线路图和安装方法，使自制信号联络装置成为可能，按图购料连接，即可制成该装置。
The block diagram of main circuit is discussed, and the design work of the CPU module, phase lock and frequency tracing module, constant vibration control module, driving signal output module and signal display module is also presented in detail.
对主电路的工作原理进行了介绍，并详细介绍了CPU模块、锁相频率跟踪模块、恒振速控制模块、驱动信号输出模块、数字液晶显示模块的设计工作。
The methods of conversion and corresponding relation between the logic diagram of relay control and ladder diagram of programmable controller (PC) control were presented. A fault signal circuit in a power station and a substation was taken for an example of application.
阐述了可编程序控制器（简称PC）控制和继电接触器控制逻辑图（梯形图和二次图）的转换规律和转换方法，并以发电厂、变电所的事故信号电路为例加以说明。
The article elaborates technology terms supposed to think about, design diagram of interrelated circuits and its description for setting up track cut point signals, including designs of circuit modification of 6502 electrified interlocking network, lighting circuits of console and signal lighting circuit.
本文详细介绍了设置股道分割点信号机应考虑的技术条件，相关电路设计图及各电路图描述，包括6502电气集中网络线电路修改、控制台点灯电路、信号机点灯电路设计。
Discussed a few typical problems in the differential amplifier teaching, including problem about the standard of the electric circuit diagram, and small signal equivalent circuit and some difficult points in the experiment teaching.
讨论了差分式放大器教学中的几个典型问题，包括电路图的规范问题、小信号等效电路以及实验教学中的几个难点。
The Walh signal generator was designed by use of the theories of digit circuit according to Walh series and the diagram of the system as well as its waveforms of output were showed.
根据沃尔什级数，利用数字电路技术设计出沃尔什信号发生器，给出了沃尔什信号发生器的系统框图以及系统的输出波形图。
The signal in system is transmitted by the undirected graph which is abstracted from experiment circuit diagram.
根据实验电路图抽象出信号传播无向图，建立系统的信号传播机制。
To innovate weft control system of projectile loom with low cost, signal transducer was designed, designed weft sensor was instead of weft detector, circuit diagram was got.
为了实现在片梭织机上进行纬向控制系统的低成本改造，自行设计了信号转换板，采用常规电子元器件自制的纬纱传感器代替纬纱检测器，并给出了线路连接图。
Introduces a new kind of integrated circuit's relay of reacting the phase-current-difference delta signal for ultra-high voltage transmission lines, provides the relay's block diagram and some experimental results.
介绍一种由集成电路构成的相电流差突变量选相继电器并给出其原理框图。