本文讨论了25针零调制解调器电缆。
使用零调制解调器连接时，发送线和接收线要交叉连接。
With a null modem connection, the transmit and receive lines are cross-linked.
为了设置调试环境，拥有正确的零调制解调器电缆是非常重要的。
It is very important that you have the correct null modem cable with you to set up the debugging environment.
有多种连接方式可供选择，因为标准中并未涵盖零调制解调器连接。
Several wiring layouts are in use, because the null modem connection is not covered by a standard.
零调制解调器电缆是一种允许在两个串行端口之间发送数据的串行电缆。
A null modem cable is a serial cable that allows data to be sent between two serial ports.
开始之前，请确保已使用零调制解调器电缆将开发计算机和目标计算机连接起来。
Before starting, make sure that you have connected the null modem cable between the development and target machines.
如果您希望使用9针零调制解调器电缆，请参见参考资料部分以了解有关零调制解调器设置的详细信息。
If you want to use 9-pin null modem cabling, see the Resources section for more information about null modem setup.
零调制解调器 (Null modem)是一种使用RS-232串行电缆连接两台计算机的通信方式。
Null modem is a communication method to connect two computers directly using a RS-232 serial cable.
当您使用零调制解调器电缆在两台计算机之间建立直接串行连接时，您的电缆必须按下面清单1中显示的方式连接。
When you use a null modem to make a direct serial connection between two computers, your cable must be wired, as shown in Listing 1 below.
有一点很重要，那就是要使用零调制解调器电缆，如果您使用普通的串行电缆，目标计算机则期望与串行设备通信，而不是与另一个串行端口通信，这样您就无法调试该计算机。
It is important that you use a null modem cable; if you use a typical serial cable, the target computer expects a serial device and not another serial port, and you cannot debug the computer.
本文针对有载波偏移的零中频bps K调制信号提出了一种软件解调系统。
The paper presented a software demodulating system of BPSK zero-IF signal containing carrier offset.
介绍了调制域分析技术的原理，重点介绍基于FPGA的零空闲(ZDT)计数和测量补偿技术。
It introduces the project and key technology of modulation domain analysis, emphasis on the ZDT counter and the error compensation circuit based on FPGA.
混合集成光学加速度计是一种实用型的实时加速度传感器，在信号处理过程中采用了光相位调制和交流相位跟踪零差补偿技术(PTAC)。
The hybrid integrated optical accelerometer is a kind of practical accelerometer, which adopts optical phase modulation and alternating current phase tracking and homodyne compensation scheme (PTAC).
介绍一种基于ZCS-PWM（零电流开关-脉宽调制）技术的新型超音频感应焊接电源。
The paper presents a novel ultra-audio frequency (UAF) induction welding power based on ZCS-PWM(Zero Current Switching-Pulse Width Modulation) technology.
提出了利用相位调制器和色散补偿光纤(DCF)把非归零(NRZ)码信号转换成为占空比可调的归零(RZ)码信号的方案。
Utilizing phase modulator and dispersion compensation fiber (DCF) link, a non-return-zero (NRZ) data format is converted to return-zero (RZ) data format with tunable duty ratio.
双空间矢量调制两级协调控制能实现整流级零电流换流，极大地减少了开关损耗，提高了变换器的效率。
Double space vector modulation can realize zero current commutation of the rectifier side, greatly reduce the switch loss, and improve the efficiency of the converter.
所有轴类零部件均采用优质45号钢材调制处理加工而成。
All axis adopt high quality parts are all 45 steel modulation processing and processed.
它所发送的信号是由一组正交的正弦信号作为副载波，用码元周期为T的不归零方波作为基带码型调制而成的。
The transmitted signals which were modulated is a group of orthogonal sine signals as subcarrier and non-regular zero square waves that the code elements period is t as baseband coded formats.
利用最小二乘算法实现对三维平面的拟合，采用的是脉冲对消法，非归零型差分相位调制信号建模与仿真分析。
Least-squares algorithm to fit a three-dimensional plane, it USES a pulse of consumer law, NRZ type differential phase modulation signal modeling and simulation analysis.
电光相位调制器是数字闭环光纤陀螺系统中的关键部件，主要用于产生偏置相移，使整个闭环系统始终工作在零点附近。
Electrooptic phase modulator is critical part in digital closed-loop FOG system, the function of which is to create bias phase, so that to make FOG working around zero point.
利用光通信系统设计平台，研究了一种基于直接调制激光器和非零色散位移光纤(NZDSF)的高速粗波分复用(CWDM)系统的优化方案。
A new scheme for optimization of coarse wavelength-division-multiplexing (CWDM) system based on directly modulated lasers (DMLs) and non-zero dispersion shifted fibers (NZDSF) is proposed.
针对内孔零件批量快捷测量的问题，提出了基于反射式光强调制型光纤位移传感器的电子塞规测试系统。
To obtain rapidness in batch measuring of aperture, a system of electronic plug gauge, based on RIM-FODS, was put forward.
然后在雇佣五星级饭店的厨师来调制新奇的饮品，制作精美的甜点，而零售价却只有星巴克的一半。
Then he hired five-star hotel chefs to concoct fancy drinks and desserts that sell for about half the price of Starbucks'.
采用重心法确定干涉条纹调制度的最大值位置，并以此作为零光程差位置。
The centrobaric method was used to determine the position with the maximum modulation value of fringes and the position was used as the point of zero light path difference.
iPhone的不少零部件，包括内存芯片、调制解调器、相机模块、麦克风和触屏控制器，都是苹果从世界各地超过200家供应商那里购买的。
Apple buys many of the components for iPhones - like the memory chip, the modem, the camera module, the microphone and the touch-screen controller - from more than 200 suppliers around the world.
利用计算出来的速度反馈构成了速度闭环系统，并采用低通滤波方法减小误差，同时应用了零矢量调制控制法减小转矩脉动，提高了整个系统的控制性能。
Constituted the speed closed-loop system with the speed feedback, used the low pass filter method to reduce the error, so the overall system control performance is advanced.
用此一性质可将偏置电压调制为零省去偏置系统，利于系统集成，为实现无偏压双稳系统指明了方向。
Thus, the bias voltage could be modulated to be 0. This saved the bias setup is benefited to system integration and pointed out way of realizing biasless bistable device.
实现典型相关分析，车牌识别定位程序的部分功能，非归零型差分相位调制信号建模与仿真分析。
Achieve canonical correlation analysis, Part of the license plate recognition locator feature, NRZ type differential phase modulation signal modeling and simulation analysis.
基于硅光波导的四波混频(FWM)和交叉相位调制(XPM)效应，提出非归零码(NRZ)到归零码(RZ)的光调制格式转换。
A format conversion from a non-return-to-zero (NRZ) signal to return-to-zero (RZ) signal is presented based on four-wave mixing (FWM) and cross-phase modulation (XPM) in a silicon optical waveguide.
基于硅光波导的四波混频(FWM)和交叉相位调制(XPM)效应，提出非归零码(NRZ)到归零码(RZ)的光调制格式转换。
A format conversion from a non-return-to-zero (NRZ) signal to return-to-zero (RZ) signal is presented based on four-wave mixing (FWM) and cross-phase modulation (XPM) in a silicon optical waveguide.
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