The results suggest that the BER performance of DSSS communication system has close relationship with the chip wave-shaping and is consistent with MRCE (Maximal Ratio Combining Efficiency).
分析计算结果表明，直扩系统的误码性能与码片波形的选择密切相关，并且与扩频码片的最大比合并有效性是相一致的。
But the microphone and chip in the device sample the incoming sound and produce an inverted wave that cancels out just the sound of the drill.
但是装置里的麦克风和芯片从传入的声音中采样，并且产生抵消牙钻声的反向波。
But the microphone and chip in the device sample the incoming sound and produce an inverted wave that cancels out just the sound of the drill.
不过，该设备上内置的麦克风和芯片会对传入的声音取样并制造反相波，这种反相波刚好可以抵消牙钻的声音。
A rectangular wave generating circuit has been designed with MOSFETs, half bridge driver chip LM27222 and gate drive transformer.
利用MOS管、半桥驱动芯片LM27222、栅极驱动变压器等器件，设计了变极性矩形波发生电路。
This paper introduces hardware composition and software design of recording location of signal wave crest with single chip computer.
介绍用单片机记录信号波峰位置方法的硬件组成和软件设计。
This kind of material is used to make dielectric filters and miniature, light and chip components for communication equipments in decimeter-wave region.
利用该种材料制成了介质滤波器及分米波通信设备用的小型、轻量的片式元器件。
The received circuit is make up of magnify, mixing, filter the wave and demodulation circuits. MAX274 chip and wave filtering circuits is designed in detail.
本文设计的地面信号处理电路由信号放大、混频、滤波和解调电路四部分构成，本文重点对采用MAX274集成芯片和滤波电路进行了分析和设计。
The new system use an infrared receiving chip named CX20106 to deal with the received ultrasonic wave, such as magnification, filtering and shaping.
使用CX20106红外接收芯片对接收的超声波进行放大，滤波，整形。
The paper is mainly deals with the structure and function of DSP chip, function of ADSP-2101 performed in control system of Audio-frequency spectral, received wave form of full wave …
文章主要介绍DSP的芯片结构和性能、ADSP-2101在声频谱仪器控制系统中的功能及实现、声频谱仪器现场采集的接收全波列波形和结论。
Open circuit failure of chip resistors in wave soldering are analyzed and the remedy measures are presented. no refs.
分析了厚膜片状电阻器波峰焊时开路失效的原因，并提出了相应的解决方法。
The core of the controlling system is the single-chip computer. and the conveying of the signal adopts the communication technology of powerline carrier wave.
系统控制核心是单片机，信号的传输采用电力载波通讯技术。
The integrated chip SG3524 is used to generate PWM wave, and the circuit-protection chip EXB841 is used in the design of the power amplifier.
该功放采用集成PWM波产生芯片SG3524作为PWM波产生芯片，采用EXB841作为过流保护芯片。
In the last part, I put forward the scheme of monolithic chip microcomputer controlled, DDS based short wave DHF frequency synthesizer.
最后，本论文提出了单片机控制的，基于DDS的短波差分跳频频率合成器的设计方案。
In order to sample transient travelling wave, the design of a high-speed data acquisition system with the single-chip microcomputer DS80C320 is introduced.
为了用单片机实现对变化速度极快、变化过程极短的高速瞬态行波信号进行采样，研究了一种以DS80C32 0单片机为控制器。
This research studied the effect of NaOH solution, H2O2 solution, hot water and ultrasonic wave on eliminating of sulfur dioxide remaining in the chip of hawkthorn.
该试验以含硫山楂片为对象，研究了碱液浸泡、过氧化氢溶液浸泡、热水浸泡以及超声波处理对试样中二氧化硫脱除效果的影响。
The plan is made up of 83c251sb one-chip computer and SA4828 integration-chip of SPWM wave signal, which is a simple-structure, low-costing and well-functioned variable frequency controller.
本设计方案采用83c 251sb型号单片机和SPWM波信号发生器s A 4828组成一种结构简单、成本低、功能较好的变频控制器。
This paper introduces a high performance sine wave current source (SSCS) based on DDS chip AD9833.
本文设计了一种基于DDS芯片AD9833的高性能正弦扫频式恒流源。
As mixture for droplets is important and needs to be improved in lab-on-a-chip, a fast mixing method for digital droplets in micro-channel driven by surface acoustic wave is proposed.
微流体混合是微流控芯片急需完善的重要操作单元，提出了在声表面波驱动下实现微通道内数字微流体快速混合方法。
As mixture for droplets is important and needs to be improved in lab-on-a-chip, a fast mixing method for digital droplets in micro-channel driven by surface acoustic wave is proposed.
微流体混合是微流控芯片急需完善的重要操作单元，提出了在声表面波驱动下实现微通道内数字微流体快速混合方法。
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