单选题The minimum range at which a target can be detected is basically determined by which of the following?（）.ApersistenceBpulse repetition rateCpulse lengthDrotation rate
单选题
The minimum range at which a target can be detected is basically determined by which of the following?（）.
A
persistence
B
pulse repetition rate
C
pulse length
D
rotation rate
参考解析
解析：
暂无解析
相关考题：
(ii) Calculate the minimum target contribution to sales ratio (%) at which ‘Nellie the Elephant’ will befinancially viable, assuming that all other data remain unchanged. (4 marks)
Which statements about the MEMORY_TARGET initialization parameter are true?() (Choose all that apply.) A. MEMORY_TARGET can be increased up to the value of MEMORY_MAX_TARGET, if MEMORY_MAX_TARGET is set to a value greater than zeroB. MEMORY_MAX_TARGET defaults to a value of zero if MEMORY_TARGET is not setC. MEMORY_TARGET represents the total amount of memory that can be allocated to SGA and PGA memory structures.D. MEMORY_TARGET is static and cannot be modified without shutting down the instance
On a hydrocarbon flammability chart the line which extends from 0% to 21.8% oxygen，lying tangent to the flammability range，is called the ______．A.minimum oxygen content lineB.critical displacement lineC.critical dilution lineD.upper threshold limit
Which one of the followings does not limit the effective range of radar ________．A.Pulse widthB.Pulse repetition frequencyC.Peak powerD.Target brightness
______of a radar is governed by the horizontal beam width of the scanner which depends to a great extent on its physical size．A.Range discriminationB.Bearing discriminationC.Echo discriminationD.Target discrimination
（ ）refers to the range of computer hardware and OS platforms on which the source code of a program can be compiled and run.A.UsabilityB.PortabilityC.ReliabilityD.Maintainability
1. public class Target { 2. private int i = 0； 3. public int addOne（） { 4. return ++i； 5. } 6. } And： 1. public class Client { 2. public static void main（String[] args） { 3. System.out.println（new Target（）.addOne（））； 4. } 5. } Which change can you make to Target without affecting Client？（） A、 Line 4 of class Target can be changed to return i++；B、 Line 2 of class Target can be changed to private int i = 1；C、 Line 3 of class Target can be changed to private int addOne（） {D、 Line 2 of class Target can be changed to private Integer i = 0；
罗斯蒙特275型手操器使用HART修改流量变送器与DCS量程不符的正确方法是：将手操器的接线接在相应端子上后送电，按online键，确认后按照（）的顺序键入。A、Device Setup→Range Volues→Basic SetupB、Device Setup→Basic Setup→Range VoluesC、Range Volues→Basic Setup→Device SetupD、Range Volues→Device Setup→Basic Setup
Which three of these statements about the IP service level agreement （SLA） sender are true？ （）A、SLA sender target can be an IP hostB、SLA sender sends a probe packet and a response probe packetC、SLA sender sends a probe packetD、SLA sender target must be a routerE、SLA sender target can be an IP SLA responder
Which statements about the Route Target Rewrite feature are not true？ （）A、After the route target replacement policy is applied to the target router， the BGP session need not be refreshed manually to put the policy into operation.B、Route Target Rewrite allows the administration of the routing policy to stay local to the AS.C、Route target replacement is always done by the ASBR.D、Route target rewrites are supported for VRF export maps.E、Route target replacement can be done on incoming and outgoing BGP updates.
Which of the following can be used in conjunction with a Flashback Versions Query to filter the results？（）A、 A range of SCN valuesB、 A list of SCN valuesC、 A starting and ending timestampD、 Minimum and maximum sequence valuesE、 A list of sequence values
单选题You should conduct a sector search under which of the following circumstances（）.AThe search target is sighted and then lostBMore than one vessel is available for a searchCThe search object is a target that will be readily detected by radarDAn aircraft is available to assist a surface vessel
单选题With time going on, _____.Aa luxury may change into a need which most people want to getBthe basic needs are getting smaller and smallerCa luxury and the basic needs can be exchangedDthe basic needs can be changed into a luxury
多选题What happens when you enable QoS bandwidth detection? （）(Choose two.)ACircuit speed is reduced by 2% for overhead.BWAN speed can be configured to the LAN speed.CBandwidth is adjusted based on minimum and maximum settingsDWAN bandwidth is detected based on acknowledgement of metapackets.
多选题What happens when you enable QoS bandwidth detection? （）(Choose two.)ACircuit speed is reduced by 2% for overhead.BWAN speed can be configured to the LAN speed.CBandwidth is adjusted based on minimum and maximum settings.DWAN bandwidth is detected based on acknowledgement of metapackets.
多选题Which three statements must be true before transporting a tablespace from a database on one platform to a database on another platform?（）ABoth source and target database must be the same character setBBoth source and target database must have the same endian formatCThe COMPATIBLE parameter must be the same in the source and target databases.DThe minimum compatibility level for both the source and target database must be 10.0.0.EAll read-only and offline data files that belong to the tablespace to be transported must be platform aware.
单选题Which ARPA data should you use in order to determine if a close quarters situation will develop with a target vessel? （）ASet and drift of the currentBRelative track informationCPredicted time of CPADInitial range of acquisition
多选题Which three statements must be true before transporting a tablespace from a database on one platform to a database on another platform?（） (Choose three.)ABoth source and target database must be the same character setBBoth source and target database must have the same endian formatCThe COMPATIBLE parameter must be the same in the source and target databases.DThe minimum compatibility level for both the source and target database must be 10.0.0.EAll read-only and offline data files that belong to the tablespace to be transported must be platform aware.
单选题What is the basic concept of GMDSS? （）ASearch and rescue authorities ashore can be alerted to a distress situationBShipping in the immediate vicinity of a ship in distress will be rapidly alertedCShoreside authorities and vessels can assist in a coordinated SAR operation with minimum delayDAll of the above
多选题Which three of these statements about the IP service level agreement （SLA） sender are true？ （）ASLA sender target can be an IP hostBSLA sender sends a probe packet and a response probe packetCSLA sender sends a probe packetDSLA sender target must be a routerESLA sender target can be an IP SLA responder
多选题Which statements about the MEMORY_TARGET initialization parameter are true？（）AMEMORY_TARGET can be increased up to the value of MEMORY_MAX_TARGET， if MEMORY_MAX_TARGET is set to a value greater than zeroBMEMORY_MAX_TARGET defaults to a value of zero if MEMORY_TARGET is not setCMEMORY_TARGET represents the total amount of memory that can be allocated to SGA and PGA memory structures.DMEMORY_TARGET is static and cannot be modified without shutting down the instance
单选题Which statements about the MEMORY_TARGET initialization parameter are true?（） (Choose all that apply.)AMEMORY_TARGET can be increased up to the value of MEMORY_MAX_TARGET, if MEMORY_MAX_TARGET is set to a value greater than zeroBMEMORY_MAX_TARGET defaults to a value of zero if MEMORY_TARGET is not setCMEMORY_TARGET represents the total amount of memory that can be allocated to SGA and PGA memory structures.DMEMORY_TARGET is static and cannot be modified without shutting down the instance
单选题Which of the following SMIT panel screens are used to configure a system’s basic network parameters for the very first time only？（）AChange System User InterfaceBTCP/IP Further ConfigurationCTCP/IP Minimum ConfigurationDNetwork Installation Management
单选题If there is any doubt as to the proper operation of a radar，which statement is TRUE?（）.AOnly a radar expert can determine if the radar is operatingBAll radars have indicator lights and alarms to signal improper operationCA radar range compared to the actual range of a known object can be used to check the operation of the radarDThe radar resolution detector must be energized to check the radar
多选题Which statements about the Route Target Rewrite feature are not true？ （）AAfter the route target replacement policy is applied to the target router， the BGP session need not be refreshed manually to put the policy into operation.BRoute Target Rewrite allows the administration of the routing policy to stay local to the AS.CRoute target replacement is always done by the ASBR.DRoute target rewrites are supported for VRF export maps.ERoute target replacement can be done on incoming and outgoing BGP updates.
单选题What will cause the ARPA to emit a visual alarm，audible alarm，or both?（）AAn acquired target entering into a guard zoneBA tracked target lost for one radar scanCA tracked target entering your preset CPA-TCPA limitsDA target being initially detected within a guard zone
单选题Which procedure(s) shall be used to determine risk of collision? （）AWatching the compass bearing of an approaching vesselBSystematic observation of objects detected by radarCLong-range radar scanningDAll of the above