Edwin Armstrong develops a receiving circuit-the superheterodyne. 艾德温?阿姆斯特朗开发接收机电路&超外差式收音机。
Each dominated machine is composed of a microprocessor, a receiving circuit and a transmitting circuit. 主控机由微处理器、发射电路、接收电路、功能设置键、报警电路和显示电路组成;
The household garage password lock switch designed this time is made of the launch controller circuit, the receiving circuit, and driving circuit; 本次设计的家用车库开关密码锁控制器由发射电路,接收电路,和驱动电路组成;
Variable-gain Control Base on Digital Potentiometer for Laser Receiving Circuit 激光接收电路数字电位器法可变增益控制
In order to achieve bit synchronization in the optical communication digital receiving circuit, combined with fundamental of digital PLL, timing logical circuit of bit synchronization circuit is designed, and the whole circuit is programmed in FPGA chip via field programmable technology. 在光通信数字接收机中,为了达到系统的位同步,结合数字锁相环的基本原理,采用现场可编程技术,设计了位同步信号的时序逻辑电路,并用FPGA芯片实现了整个位同步电路。
I find a new way to determine the value of the inductance by debugging the receiving circuit in the range finder of laser, which can eliminates it completely. 本文通过对激光测距仪接收电路的调试,找到了一种确定此值的新方法,即完全消除消电离干扰法。
The paper introduces the method of utilizing inductorium to demonstrate receiving circuit tune, transformation of surging circuit frequency, electromagnetic wave generating, launching and receiving. 介绍了利用感应圈演示接收电路的调谐、振荡电路频率的改变、电磁波的产生和电磁波的发射、接收的方法。
A receiving circuit applied to marine acoustics system, i.e 1 Bit Polarity Coincidence Correlator, is described. 介绍一种应用于水声系统的接收电路:1Bit极性重合相关器。
The complete outside system includes the MCU controlling and handling circuit, keyboard control, LCD display, the sending circuit, the receiving circuit, fee serial communication interface, the analog switch controlling circuit and the power supply management circuit etc. 完整的体外系统包括单片机控制处理电路、键盘控制和LCD显示、信号发射电路、信号接收电路、串行通信电路、模拟开关控制电路以及电源管理电路等。
The principle of the ultrasonic position-meter was introduced, the position measuring system was given with the single chip microcomputer, and the ultrasonic generating and receiving circuit were designed. 介绍了超声波液位检测的原理,在此基础上给出了以单片机为核心的液位检测系统的组成,设计了超声波发射和接收电路。
The following work has been done: 1 According to the system requirement, Scheming the system, designing hardware circuits including signal source interface circuit transmitting circuit and receiving circuit, debugging them. 根据系统性能要求:抗干扰,小型化及耐温度特性。确定设计方案,设计出了硬件电路,包括:信号源接口电路、发射电路、接收电路,并进行调试;
A data transmitting/ receiving circuit based on parallel FIFO storage structure is introduced and used as an HDTV encoder testing data video source and for encoded data test and analysis. 介绍了一种基于并行FIFO存储结构、应用于HDTV编码器测试信源和码流数据分析的收发电路。
It is controlled by the PIC and includes controlling circuit, transmitting circuit, receiving circuit, and communicating circuit with PC. 它由PIC单片机来控制,包括控制电路、发射电路、接收电路,以及和PC机的通信电路。
We design the system circuit which is composed of emission and receiving circuit. 在电路设计中,我们根据磁场模型的特点设计了具有自动增益和倒相控制功能的发射电路以及高放大倍数和低噪声的接收电路。
Infrared remote control device actualizes the system software parameters setting through the design of infrared sending and receiving circuit. 红外遥控模块通过设计红外发送和接收电路,实现系统软件参数的设置功能;
And optic-electronic receiving circuit, and then the design is optimized. 接收电路进行了原理性验证,并进行了优化设计;
A transmission and receiving circuit of interface C is given in this paper. 同时该文给出了C接口收发电路设计框图;
Research of High Sensitivity Optical Receiving Circuit 高灵敏度光接收电路的研究
A complete solution was given in the receiving circuit design to solve the technical problems such as high-voltage bias circuit and the pre-amplifier design. 接收电路设计给出了完整的解决方案,解决了高压偏置电路、前置放大器的设计等技术难题。
In the design, SCM was used as a control device and the content included the design of transmitter circuit, receiving circuit, power system, implementation circuit and temperature compensation circuit. 在本设计中采用单片机作为控制器件,设计的内容包括发射电路的设计,接收电路的设计,电源系统的设计,执行电路的设计以及温度补偿电路的设计。
The hardware circuit of system is contained with sound wave transmitting/ receiving device, sound wave transmitting circuit, sound wave receiving circuit, data acquisition module and the computer with sound card. 该系统的硬件电路部分是由声波发射/接收装置、声波信号发射电路、声波信号接收电路、数据采集模块和带声卡的计算机构成。
And control part includes wireless transmission controller, wireless receiving circuit and the main controller; the mechanical part mainly includes the car block and mechanical linkage parts. 论文设计阻车器系统包括阻车器控制部分和机械部分,其中控制部分由无线发射遥控器、无线接收电路和主控制电路组成;机械部分主要包括阻车块和机械联动部件。
A novel driving circuit of ultrasonic transducer array and high-precision echo receiving circuit are designed. 设计并制作了一种换能器阵列驱动电路和大增益高精度的回波接收电路。
On this basis, the structure and working principles of the potential leak source the DVI encoder/ decoder circuit, the Ethernet sending/ receiving circuit, the LED driver and displays was respectively analyzed, and the signal characteristic of each module was researched in detail. 在此基础上,分别对潜在的泄漏源&DVI编/解码电路、以太发送/接收电路、LED驱动显示电路各部分的基本结构和工作原理进行了详细分析,详细研究了各个模块的信号特征。
The author carefully designed the hardware circuit employed in this system, mainly consisting of ultrasonic transmitting and receiving circuit, control circuit, video decoding circuit, image processing circuit, coding circuit and alarming circuit, etc. and drew up some hardware circuit diagrams. 设计了系统的硬件电路,主要包括超声波接收和发射电路、控制电路、视频解码电路、图像处理电路及编码电路、报警电路等。
The hardware design includes the build of the DSP smallest circuit, transmitter circuit, the receiving circuit and other peripheral circuits design. Software design includes transmission procedures, reception procedures and the process of the signal. 本文分为硬件设计和软件设计:硬件设计包括DSP最小电路搭建,发射电路,以及接收电路等外围电路;软件设计包括信号发射,信号接收,以及信号处理过程。
Design data acquisition module of this system, including the sending and receiving circuit of ultrasonic displacement measurement. 4. 设计了系统的数据采集模块,包括超声波发射和接收电路。
Basing on completing the peripheral circuit designing, we selected the T/ R40 as the ultrasonic sensor and designed the ultrasonic eradiating circuit and receiving circuit. 在完成其外围电路的基础上,采用T/R40作为超声波传感器,并对超声波的发送和接收电路进行了设计。
Focused on the white LED modulation receiver technology, designed and produced a white LED modulation driving circuit and receiving circuit. 重点研究了白光LED调制接收技术,设计制作了白光LED调制驱动电路和接收电路。
Receiving circuit is designed by the diodes limiter circuit, differential amplifiers and frequency-selective amplification circuit. 接收电路由二极管限幅电路、两级差分放大电路和选频放大电路组成。