English translation for "swept frequency"
|
- 扫掠频率
摇频
Related Translations:
- Example Sentences:
| 1. | Design of broadband phase locked sweep frequency source
2306在锁相环式频率合成器中应用 | | 2. | Sweeping frequency signal generator
扫频信号发生器 | | 3. | With fixed frequency , sweep frequency and multy random test function
测试功能多,具定频,扫频及多阶随机等测试功能。 | | 4. | 2 . the trigger circuit adopt sweep frequency technique and possesses high reliability and anti - interference ability
2触发电路采用扫频式电路，具有高可靠性和高抗干扰能力。 | | 5. | New interference methods , such as sweeping frequency interference and faster - hop - collision interference , become a new focus of electronic countermeasures to fh communication systems
摘要扫频式干扰、更高跳速碰撞干扰等新的干扰方法成为跳频通信系统电子对抗领域中又一重要研究方向。 | | 6. | The periodic function is separated into the digital quantity . it has the high stability signal sweep frequency using the phase - lock link to carry on to the digital quantity reading , through d / a transformation , the appropriate filter may obtain the high stability signal output
摘要将周期函数离散成为分离的数字量，利用锁相环产生高稳定度的信号扫描频率对数字量进行读取，经过d / a变换及恰当的滤波可以获得高稳定度的信号输出。 | | 7. | By analysis of the reasons of why the data is not coincident , we got the following quality monitoring measures : the first is , to choose wells with low noise as receiving wells ; the second is to bring down the source sweep frequency segment ; and the third is to conduct multiple stack
通过分析，我们得出以下三点质量监控措施： ( 1 )选择噪声小的井做为接收井，因为如果接收井的噪声大于500微巴，得到的记录基本上都是噪音记录，要得到比较好的井间记录，接收井的噪声必须小于500微巴。 | | 8. | The signal generator of sweep frequency is based on dds device ad9954 , the signal measuring circuit is based on gain and phase detector ad8302 , the real - time control and deal circuit is based on tms320vc5409 , and the periphery interface circuit is based on at89s52 . the system can generate sweep frequency signal with the frequency range from 100khz to 150mhz , and with the power range from - 45dbm to + 18dbm . it can measure the gain and phase of the network , display the measure data by liquid crystal displayed and print it by the printer
该测试仪以dds芯片ad9954为核心构成扫频信号源电路,以增益相位检测器ad8302为核心构成检测电路,以dsp芯片tms320vc5409为核心构成控制与运算电路,以及以at89s52为核心构成外围接口电路。该测试仪能产生频率范围达100k ~ 100mhz ,功率范围为- 45dbm ~ + 18dbm的扫频信号,能对被测网络的频率特性进行测量,并留有丰富的外围接口,可以将测量数据绘图通过lcd显示或者由打印机打印输出。 | | 9. | The system can generate sweep frequency signal with frequency range from 100khz to 150mhz and power range from - 40dbm to + 18dbm , and measure the gain and phase of the crystal . according to the gain and phase information and the iec - 444 standard , crystal parameters can be calculated , such as nominal frequency , series resistance , shunt capacitance , motion capacitance , motion inductance , q factor and so on
该系统能产生频率范围达100khz 150mhz ，功率范围为? 40dbm + 18dbm的扫频信号，并能对晶振的增益和相位差进行测量，其测量结果按照iec - 444晶振测量标准进行实时处理和计算，从而得到晶振的串联谐振频率、并联谐振频率、等效电阻、静态电容、动态电容、动态电感和品质因数等主要电参数。 | | 10. | In chapter 3 , the non - linear equation was linearized with the jacobi matrix , and then the linearized equation was transformed into fixed frame to analyze the stability problem with eigenvalue method ( on - ground or hovering ) or floquet theory ( forward flight ) . meanwhile , the equation was perturbed by sweep frequency excitation from steady state to get transit decay of lag response which was then transformed into fixed frame with a numerical fourier coordination transformation ( fct ) . the fixed frame response along with the body response was analyzed via an fft to determine modal frequencies
然后,在稳态响应的基础上利用雅各比矩阵对非线性方程进行了线化,线化后的方程利用多桨叶坐标变换转换到固定系下后,利用直接特征值分析(地面、悬停)或floquet理论(前飞)对系统进行了稳定性分析;同时,对系统进行了瞬态响应分析;在系统达到稳态的基础上进行扫频激励,用fft变换求得系统频率,进而用移动矩形窗方法分析得到系统的阻尼。 |
- Similar Words：
- "swept channel" English translation, "swept core" English translation, "swept feature" English translation, "swept fin" English translation, "swept forward" English translation, "swept frequency interferometer" English translation, "swept frequency oscillator" English translation, "swept frequency picture modulation" English translation, "swept frequency range" English translation, "swept from the sea" English translation
|
|
|
